/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-VarAbsGlobalSyntactic.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-1_3b-join.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-44940e9-m [2022-11-10 12:10:14,757 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-10 12:10:14,759 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-10 12:10:14,799 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-10 12:10:14,801 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-10 12:10:14,803 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-10 12:10:14,806 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-10 12:10:14,808 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-10 12:10:14,811 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-10 12:10:14,815 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-10 12:10:14,816 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-10 12:10:14,817 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-10 12:10:14,817 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-10 12:10:14,820 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-10 12:10:14,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-10 12:10:14,823 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-10 12:10:14,823 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-10 12:10:14,824 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-10 12:10:14,825 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-10 12:10:14,830 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-10 12:10:14,831 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-10 12:10:14,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-10 12:10:14,833 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-10 12:10:14,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-10 12:10:14,840 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-10 12:10:14,840 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-10 12:10:14,841 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-10 12:10:14,842 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-10 12:10:14,842 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-10 12:10:14,843 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-11-10 12:10:14,848 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-10 12:10:14,849 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-10 12:10:14,849 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-10 12:10:14,850 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder-VarAbsGlobalSyntactic.epf [2022-11-10 12:10:14,882 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-10 12:10:14,882 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-10 12:10:14,882 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-10 12:10:14,882 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-10 12:10:14,883 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-10 12:10:14,883 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-10 12:10:14,884 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-10 12:10:14,884 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-10 12:10:14,884 INFO L138 SettingsManager]: * Use SBE=true [2022-11-10 12:10:14,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-10 12:10:14,885 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-10 12:10:14,885 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-10 12:10:14,885 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-10 12:10:14,885 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-10 12:10:14,885 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-10 12:10:14,886 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-10 12:10:14,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-10 12:10:14,886 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-10 12:10:14,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-10 12:10:14,886 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-10 12:10:14,886 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-10 12:10:14,886 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-10 12:10:14,887 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-10 12:10:14,888 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-10 12:10:14,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-10 12:10:14,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-10 12:10:14,888 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-10 12:10:14,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-10 12:10:14,888 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-10 12:10:14,888 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-10 12:10:14,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-10 12:10:14,889 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-10 12:10:14,889 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-10 12:10:14,889 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-10 12:10:14,889 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-10 12:10:14,889 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-10 12:10:14,889 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-10 12:10:14,890 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-10 12:10:14,890 INFO L138 SettingsManager]: * Independence relation used for POR in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-11-10 12:10:15,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-10 12:10:15,152 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-10 12:10:15,154 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-10 12:10:15,155 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-10 12:10:15,156 INFO L275 PluginConnector]: CDTParser initialized [2022-11-10 12:10:15,157 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_3b-join.i [2022-11-10 12:10:15,213 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5adf25cdd/7a9cb2dbe9884b11a74cbaf420d96ed0/FLAG5972e6ad4 [2022-11-10 12:10:15,731 INFO L306 CDTParser]: Found 1 translation units. [2022-11-10 12:10:15,731 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_3b-join.i [2022-11-10 12:10:15,754 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5adf25cdd/7a9cb2dbe9884b11a74cbaf420d96ed0/FLAG5972e6ad4 [2022-11-10 12:10:16,016 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5adf25cdd/7a9cb2dbe9884b11a74cbaf420d96ed0 [2022-11-10 12:10:16,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-10 12:10:16,020 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-10 12:10:16,023 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-10 12:10:16,023 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-10 12:10:16,026 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-10 12:10:16,027 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:10:16" (1/1) ... [2022-11-10 12:10:16,028 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eb50700 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:10:16, skipping insertion in model container [2022-11-10 12:10:16,028 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:10:16" (1/1) ... [2022-11-10 12:10:16,034 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-10 12:10:16,093 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-10 12:10:16,704 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-1_3b-join.i[76069,76082] [2022-11-10 12:10:16,729 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-10 12:10:16,746 INFO L203 MainTranslator]: Completed pre-run [2022-11-10 12:10:16,785 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-1_3b-join.i[76069,76082] [2022-11-10 12:10:16,796 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-10 12:10:16,896 INFO L208 MainTranslator]: Completed translation [2022-11-10 12:10:16,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:10:16 WrapperNode [2022-11-10 12:10:16,896 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-10 12:10:16,897 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-10 12:10:16,897 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-10 12:10:16,897 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-10 12:10:16,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:10:16" (1/1) ... [2022-11-10 12:10:16,943 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:10:16" (1/1) ... [2022-11-10 12:10:16,972 INFO L138 Inliner]: procedures = 480, calls = 27, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2022-11-10 12:10:16,972 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-10 12:10:16,973 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-10 12:10:16,973 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-10 12:10:16,973 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-10 12:10:16,981 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:10:16" (1/1) ... [2022-11-10 12:10:16,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:10:16" (1/1) ... [2022-11-10 12:10:16,985 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:10:16" (1/1) ... [2022-11-10 12:10:16,985 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:10:16" (1/1) ... [2022-11-10 12:10:17,002 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:10:16" (1/1) ... [2022-11-10 12:10:17,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:10:16" (1/1) ... [2022-11-10 12:10:17,012 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:10:16" (1/1) ... [2022-11-10 12:10:17,014 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:10:16" (1/1) ... [2022-11-10 12:10:17,019 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-10 12:10:17,020 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-10 12:10:17,020 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-10 12:10:17,020 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-10 12:10:17,021 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:10:16" (1/1) ... [2022-11-10 12:10:17,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-10 12:10:17,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 12:10:17,048 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) [2022-11-10 12:10:17,049 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 [2022-11-10 12:10:17,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-10 12:10:17,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-10 12:10:17,091 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-10 12:10:17,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-10 12:10:17,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-10 12:10:17,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-10 12:10:17,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-10 12:10:17,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-10 12:10:17,091 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-10 12:10:17,092 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-10 12:10:17,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-10 12:10:17,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-10 12:10:17,093 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-10 12:10:17,514 INFO L235 CfgBuilder]: Building ICFG [2022-11-10 12:10:17,516 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-10 12:10:17,748 INFO L276 CfgBuilder]: Performing block encoding [2022-11-10 12:10:17,759 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-10 12:10:17,759 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-10 12:10:17,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:10:17 BoogieIcfgContainer [2022-11-10 12:10:17,762 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-10 12:10:17,764 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-10 12:10:17,764 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-10 12:10:17,768 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-10 12:10:17,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 12:10:16" (1/3) ... [2022-11-10 12:10:17,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30e8c2ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:10:17, skipping insertion in model container [2022-11-10 12:10:17,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:10:16" (2/3) ... [2022-11-10 12:10:17,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30e8c2ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:10:17, skipping insertion in model container [2022-11-10 12:10:17,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:10:17" (3/3) ... [2022-11-10 12:10:17,770 INFO L112 eAbstractionObserver]: Analyzing ICFG race-1_3b-join.i [2022-11-10 12:10:17,778 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-10 12:10:17,786 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-10 12:10:17,787 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-11-10 12:10:17,787 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-10 12:10:17,836 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-10 12:10:17,881 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 12:10:17,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 12:10:17,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 12:10:17,884 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) [2022-11-10 12:10:17,898 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 [2022-11-10 12:10:17,914 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 12:10:17,924 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread1Thread1of1ForFork0 ======== [2022-11-10 12:10:17,929 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;@655c5ba9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 12:10:17,930 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-10 12:10:18,071 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 12:10:18,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:10:18,076 INFO L85 PathProgramCache]: Analyzing trace with hash -1732171434, now seen corresponding path program 1 times [2022-11-10 12:10:18,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:10:18,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592502885] [2022-11-10 12:10:18,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:10:18,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:10:18,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:10:18,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-10 12:10:18,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:10:18,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592502885] [2022-11-10 12:10:18,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592502885] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 12:10:18,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 12:10:18,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-10 12:10:18,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1056082468] [2022-11-10 12:10:18,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 12:10:18,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-10 12:10:18,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:10:18,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-10 12:10:18,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-10 12:10:18,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:10:18,441 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:10:18,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 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) [2022-11-10 12:10:18,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:10:18,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:10:18,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-10 12:10:18,483 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 12:10:18,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:10:18,483 INFO L85 PathProgramCache]: Analyzing trace with hash 242499866, now seen corresponding path program 1 times [2022-11-10 12:10:18,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:10:18,484 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247610706] [2022-11-10 12:10:18,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:10:18,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:10:18,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:10:18,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-10 12:10:18,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:10:18,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247610706] [2022-11-10 12:10:18,611 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247610706] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 12:10:18,611 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 12:10:18,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-10 12:10:18,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77719690] [2022-11-10 12:10:18,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 12:10:18,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 12:10:18,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:10:18,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 12:10:18,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-10 12:10:18,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:10:18,615 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:10:18,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2022-11-10 12:10:18,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:10:18,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:10:18,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:10:18,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:10:18,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-10 12:10:18,654 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 12:10:18,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:10:18,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1137122762, now seen corresponding path program 1 times [2022-11-10 12:10:18,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:10:18,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404757206] [2022-11-10 12:10:18,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:10:18,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:10:18,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-10 12:10:18,699 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-10 12:10:18,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-10 12:10:18,738 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-10 12:10:18,738 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-10 12:10:18,740 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-10 12:10:18,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-10 12:10:18,747 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-10 12:10:18,748 INFO L307 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork0 was UNSAFE (1/2) [2022-11-10 12:10:18,751 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-10 12:10:18,751 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-10 12:10:18,824 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 12:10:18 BasicIcfg [2022-11-10 12:10:18,824 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-10 12:10:18,825 INFO L158 Benchmark]: Toolchain (without parser) took 2804.68ms. Allocated memory was 195.0MB in the beginning and 234.9MB in the end (delta: 39.8MB). Free memory was 162.2MB in the beginning and 204.0MB in the end (delta: -41.8MB). Peak memory consumption was 86.1MB. Max. memory is 8.0GB. [2022-11-10 12:10:18,825 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 195.0MB. Free memory is still 154.6MB. There was no memory consumed. Max. memory is 8.0GB. [2022-11-10 12:10:18,826 INFO L158 Benchmark]: CACSL2BoogieTranslator took 873.55ms. Allocated memory is still 195.0MB. Free memory was 162.0MB in the beginning and 125.1MB in the end (delta: 36.9MB). Peak memory consumption was 39.0MB. Max. memory is 8.0GB. [2022-11-10 12:10:18,826 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.22ms. Allocated memory is still 195.0MB. Free memory was 125.1MB in the beginning and 122.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-11-10 12:10:18,830 INFO L158 Benchmark]: Boogie Preprocessor took 46.18ms. Allocated memory is still 195.0MB. Free memory was 122.0MB in the beginning and 119.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-10 12:10:18,831 INFO L158 Benchmark]: RCFGBuilder took 742.18ms. Allocated memory was 195.0MB in the beginning and 234.9MB in the end (delta: 39.8MB). Free memory was 119.1MB in the beginning and 197.1MB in the end (delta: -77.9MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-11-10 12:10:18,831 INFO L158 Benchmark]: TraceAbstraction took 1060.11ms. Allocated memory is still 234.9MB. Free memory was 196.5MB in the beginning and 204.0MB in the end (delta: -7.4MB). Peak memory consumption was 82.2MB. Max. memory is 8.0GB. [2022-11-10 12:10:18,833 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 195.0MB. Free memory is still 154.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 873.55ms. Allocated memory is still 195.0MB. Free memory was 162.0MB in the beginning and 125.1MB in the end (delta: 36.9MB). Peak memory consumption was 39.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 75.22ms. Allocated memory is still 195.0MB. Free memory was 125.1MB in the beginning and 122.0MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 46.18ms. Allocated memory is still 195.0MB. Free memory was 122.0MB in the beginning and 119.4MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 742.18ms. Allocated memory was 195.0MB in the beginning and 234.9MB in the end (delta: 39.8MB). Free memory was 119.1MB in the beginning and 197.1MB in the end (delta: -77.9MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1060.11ms. Allocated memory is still 234.9MB. Free memory was 196.5MB in the beginning and 204.0MB in the end (delta: -7.4MB). Peak memory consumption was 82.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 282, positive: 279, positive conditional: 8, positive unconditional: 271, negative: 3, negative conditional: 1, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1009, positive: 993, positive conditional: 54, positive unconditional: 939, negative: 16, negative conditional: 7, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1004, positive: 993, positive conditional: 0, positive unconditional: 993, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 475, positive: 468, positive conditional: 0, positive unconditional: 468, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1004, positive: 525, positive conditional: 0, positive unconditional: 525, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 475, unknown conditional: 0, unknown unconditional: 475] , Statistics on independence cache: Total cache size (in pairs): 265, Positive cache size: 263, Positive conditional cache size: 0, Positive unconditional cache size: 263, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Independence queries for same thread: 1, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 281, positive: 278, positive conditional: 7, positive unconditional: 271, negative: 3, negative conditional: 1, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1009, positive: 993, positive conditional: 54, positive unconditional: 939, negative: 16, negative conditional: 7, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1004, positive: 993, positive conditional: 0, positive unconditional: 993, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 475, positive: 468, positive conditional: 0, positive unconditional: 468, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1004, positive: 525, positive conditional: 0, positive unconditional: 525, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 475, unknown conditional: 0, unknown unconditional: 475] , Statistics on independence cache: Total cache size (in pairs): 265, Positive cache size: 263, Positive conditional cache size: 0, Positive unconditional cache size: 263, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Independence queries for same thread: 2, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 446, positive: 436, positive conditional: 39, positive unconditional: 397, negative: 10, negative conditional: 5, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1009, positive: 993, positive conditional: 54, positive unconditional: 939, negative: 16, negative conditional: 7, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1004, positive: 993, positive conditional: 0, positive unconditional: 993, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 475, positive: 468, positive conditional: 0, positive unconditional: 468, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1004, positive: 525, positive conditional: 0, positive unconditional: 525, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 475, unknown conditional: 0, unknown unconditional: 475] , Statistics on independence cache: Total cache size (in pairs): 475, Positive cache size: 468, Positive conditional cache size: 0, Positive unconditional cache size: 468, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Independence queries for same thread: 5, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 56, Number of trivial persistent sets: 51, Underlying independence relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 282, positive: 279, positive conditional: 8, positive unconditional: 271, negative: 3, negative conditional: 1, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1009, positive: 993, positive conditional: 54, positive unconditional: 939, negative: 16, negative conditional: 7, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1004, positive: 993, positive conditional: 0, positive unconditional: 993, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 475, positive: 468, positive conditional: 0, positive unconditional: 468, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1004, positive: 525, positive conditional: 0, positive unconditional: 525, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 475, unknown conditional: 0, unknown unconditional: 475] , Statistics on independence cache: Total cache size (in pairs): 265, Positive cache size: 263, Positive conditional cache size: 0, Positive unconditional cache size: 263, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Independence queries for same thread: 1, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 55, Number of trivial persistent sets: 50, Underlying independence relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 281, positive: 278, positive conditional: 7, positive unconditional: 271, negative: 3, negative conditional: 1, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1009, positive: 993, positive conditional: 54, positive unconditional: 939, negative: 16, negative conditional: 7, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1004, positive: 993, positive conditional: 0, positive unconditional: 993, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 475, positive: 468, positive conditional: 0, positive unconditional: 468, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1004, positive: 525, positive conditional: 0, positive unconditional: 525, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 475, unknown conditional: 0, unknown unconditional: 475] , Statistics on independence cache: Total cache size (in pairs): 265, Positive cache size: 263, Positive conditional cache size: 0, Positive unconditional cache size: 263, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Independence queries for same thread: 2, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 70, Number of trivial persistent sets: 64, Underlying independence relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 446, positive: 436, positive conditional: 39, positive unconditional: 397, negative: 10, negative conditional: 5, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1009, positive: 993, positive conditional: 54, positive unconditional: 939, negative: 16, negative conditional: 7, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1004, positive: 993, positive conditional: 0, positive unconditional: 993, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 475, positive: 468, positive conditional: 0, positive unconditional: 468, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1004, positive: 525, positive conditional: 0, positive unconditional: 525, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 475, unknown conditional: 0, unknown unconditional: 475] , Statistics on independence cache: Total cache size (in pairs): 475, Positive cache size: 468, Positive conditional cache size: 0, Positive unconditional cache size: 468, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Independence queries for same thread: 5, Statistics for Abstraction: - DataRaceFoundResult [Line: 1699]: Data race detected Data race detected The following path leads to a data race: [L1694] 0 pthread_t t1; VAL [t1={3:0}] [L1695] 0 pthread_mutex_t mutex; VAL [mutex={4:0}, t1={3:0}] [L1696] 0 int pdev; VAL [mutex={4:0}, pdev=0, t1={3:0}] [L1726] CALL, EXPR 0 module_init() [L1705] 0 pdev = 1 VAL [mutex={4:0}, pdev=1, t1={3:0}] [L1706] EXPR 0 pdev==1 VAL [mutex={4:0}, pdev=1, t1={3:0}] [L1706] CALL 0 ldv_assert(pdev==1) [L1693] COND FALSE 0 !(!expression) VAL [\old(expression)=1, expression=1, mutex={4:0}, pdev=1, t1={3:0}] [L1706] RET 0 ldv_assert(pdev==1) [L1707] COND TRUE 0 __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=1, mutex={4:0}, pdev=1, t1={3:0}] [L1708] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread1, ((void *)0)) VAL [arg={0:0}, mutex={4:0}, pdev=1, pthread_create(&t1, ((void *)0), thread1, ((void *)0))=-1, t1={3:0}] [L1699] 1 pdev = 6 VAL [arg={0:0}, arg={0:0}, mutex={4:0}, pdev=6, pdev = 6=1150, t1={3:0}] [L1709] 0 return 0; VAL [\result=0, arg={0:0}, arg={0:0}, mutex={4:0}, pdev=6, pdev = 6=1150, t1={3:0}] [L1726] RET, EXPR 0 module_init() [L1726] COND FALSE 0 !(module_init()!=0) VAL [arg={0:0}, arg={0:0}, module_init()=0, mutex={4:0}, pdev=6, pdev = 6=1150, t1={3:0}] [L1727] CALL 0 module_exit() [L1717] 0 void *status; VAL [arg={0:0}, arg={0:0}, mutex={4:0}, pdev=6, pdev = 6=1150, status={5:0}, t1={3:0}] [L1718] 0 pdev = 4 VAL [arg={0:0}, arg={0:0}, mutex={4:0}, pdev=4, pdev = 4=1153, pdev = 6=1150, status={5:0}, t1={3:0}] [L1699] 1 pdev = 6 VAL [arg={0:0}, arg={0:0}, mutex={4:0}, pdev=4, pdev = 6=1150, t1={3:0}] Now there is a data race on ~pdev~0 between C: pdev = 4 [1718] and C: pdev = 6 [1699] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread1Thread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 162 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, 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: 5, 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, 0.2s InterpolantComputationTime, 178 NumberOfCodeBlocks, 178 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 110 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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! [2022-11-10 12:10:18,897 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 [2022-11-10 12:10:19,108 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...