/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.trace.refinement.strategy BADGER -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/pthread-wmm/mix013.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-44940e9-m [2022-11-09 17:46:58,833 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-09 17:46:58,835 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-09 17:46:58,863 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-11-09 17:46:58,876 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-09 17:46:58,877 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-09 17:46:58,878 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-09 17:46:58,879 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-09 17:46:58,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-09 17:46:58,880 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-09 17:46:58,881 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-09 17:46:58,888 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-09 17:46:58,893 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-09 17:46:58,898 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-09 17:46:58,899 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-09 17:46:58,899 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-09 17:46:58,902 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-09 17:46:58,902 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-09 17:46:58,903 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-09 17:46:58,903 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-09 17:46:58,903 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-09 17:46:58,904 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-09 17:46:58,904 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-09 17:46:58,905 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-09 17:46:58,905 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-09 17:46:58,906 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-09 17:46:58,909 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-09 17:46:58,910 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-09 17:46:58,910 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-09 17:46:58,910 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-09 17:46:58,911 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-09 17:46:58,911 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-09 17:46:58,912 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-09 17:46:58,913 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-09 17:46:58,953 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-09 17:46:58,954 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-09 17:46:58,954 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-09 17:46:58,954 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-09 17:46:58,955 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-09 17:46:58,955 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-09 17:46:58,955 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-09 17:46:58,956 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-09 17:46:58,956 INFO L138 SettingsManager]: * Use SBE=true [2022-11-09 17:46:58,956 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-09 17:46:58,956 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-09 17:46:58,956 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-09 17:46:58,956 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-09 17:46:58,956 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-09 17:46:58,957 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-09 17:46:58,957 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-09 17:46:58,957 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-09 17:46:58,957 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-09 17:46:58,957 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-09 17:46:58,957 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-09 17:46:58,957 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-09 17:46:58,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-09 17:46:58,958 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-09 17:46:58,958 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-09 17:46:58,958 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-09 17:46:58,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-09 17:46:58,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-09 17:46:58,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-09 17:46:58,959 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-09 17:46:58,959 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-09 17:46:58,959 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-09 17:46:58,959 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-09 17:46:58,959 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-09 17:46:58,959 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-09 17:46:58,959 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-09 17:46:58,959 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-09 17:46:58,960 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-11-09 17:46:59,154 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-09 17:46:59,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-09 17:46:59,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-09 17:46:59,177 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-09 17:46:59,177 INFO L275 PluginConnector]: CDTParser initialized [2022-11-09 17:46:59,178 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix013.oepc.i [2022-11-09 17:46:59,238 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a70eebbd8/c9a84a4482474de4966383b9f390b5e0/FLAGa3254eca6 [2022-11-09 17:46:59,649 INFO L306 CDTParser]: Found 1 translation units. [2022-11-09 17:46:59,650 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix013.oepc.i [2022-11-09 17:46:59,675 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a70eebbd8/c9a84a4482474de4966383b9f390b5e0/FLAGa3254eca6 [2022-11-09 17:46:59,966 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a70eebbd8/c9a84a4482474de4966383b9f390b5e0 [2022-11-09 17:46:59,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-09 17:46:59,969 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-09 17:46:59,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-09 17:46:59,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-09 17:46:59,973 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-09 17:46:59,974 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:46:59" (1/1) ... [2022-11-09 17:46:59,976 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36332503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:46:59, skipping insertion in model container [2022-11-09 17:46:59,977 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 05:46:59" (1/1) ... [2022-11-09 17:46:59,982 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-09 17:47:00,037 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-09 17:47:00,205 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix013.oepc.i[945,958] [2022-11-09 17:47:00,414 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-09 17:47:00,421 INFO L203 MainTranslator]: Completed pre-run [2022-11-09 17:47:00,431 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix013.oepc.i[945,958] [2022-11-09 17:47:00,484 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-09 17:47:00,511 INFO L208 MainTranslator]: Completed translation [2022-11-09 17:47:00,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:47:00 WrapperNode [2022-11-09 17:47:00,512 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-09 17:47:00,512 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-09 17:47:00,512 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-09 17:47:00,512 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-09 17:47:00,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:47:00" (1/1) ... [2022-11-09 17:47:00,537 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:47:00" (1/1) ... [2022-11-09 17:47:00,577 INFO L138 Inliner]: procedures = 177, calls = 71, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 479 [2022-11-09 17:47:00,578 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-09 17:47:00,578 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-09 17:47:00,578 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-09 17:47:00,578 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-09 17:47:00,593 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:47:00" (1/1) ... [2022-11-09 17:47:00,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:47:00" (1/1) ... [2022-11-09 17:47:00,606 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:47:00" (1/1) ... [2022-11-09 17:47:00,606 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:47:00" (1/1) ... [2022-11-09 17:47:00,638 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:47:00" (1/1) ... [2022-11-09 17:47:00,667 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:47:00" (1/1) ... [2022-11-09 17:47:00,671 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:47:00" (1/1) ... [2022-11-09 17:47:00,674 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:47:00" (1/1) ... [2022-11-09 17:47:00,679 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-09 17:47:00,680 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-09 17:47:00,680 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-09 17:47:00,680 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-09 17:47:00,693 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:47:00" (1/1) ... [2022-11-09 17:47:00,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-09 17:47:00,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-09 17:47:00,728 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 17:47:00,735 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 17:47:00,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-09 17:47:00,763 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-09 17:47:00,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-09 17:47:00,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-09 17:47:00,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-09 17:47:00,763 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-09 17:47:00,763 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-09 17:47:00,763 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-09 17:47:00,763 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-09 17:47:00,763 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-11-09 17:47:00,764 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-11-09 17:47:00,764 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-11-09 17:47:00,764 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-11-09 17:47:00,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-09 17:47:00,765 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-09 17:47:00,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-09 17:47:00,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-09 17:47:00,767 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 17:47:00,971 INFO L235 CfgBuilder]: Building ICFG [2022-11-09 17:47:00,973 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-09 17:47:02,182 INFO L276 CfgBuilder]: Performing block encoding [2022-11-09 17:47:08,985 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-09 17:47:08,985 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-09 17:47:08,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:47:08 BoogieIcfgContainer [2022-11-09 17:47:08,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-09 17:47:08,990 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-09 17:47:08,990 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-09 17:47:08,993 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-09 17:47:08,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 05:46:59" (1/3) ... [2022-11-09 17:47:08,994 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c5cf9a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:47:08, skipping insertion in model container [2022-11-09 17:47:08,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 05:47:00" (2/3) ... [2022-11-09 17:47:08,994 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c5cf9a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 05:47:08, skipping insertion in model container [2022-11-09 17:47:08,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 05:47:08" (3/3) ... [2022-11-09 17:47:08,999 INFO L112 eAbstractionObserver]: Analyzing ICFG mix013.oepc.i [2022-11-09 17:47:09,007 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-09 17:47:09,015 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-09 17:47:09,015 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 287 error locations. [2022-11-09 17:47:09,016 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-09 17:47:10,809 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-09 17:47:10,853 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 17:47:10,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-09 17:47:10,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-09 17:47:10,859 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 17:47:10,886 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 17:47:10,909 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-09 17:47:10,926 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Thread1of1ForFork2 ======== [2022-11-09 17:47:10,935 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;@76e64f86, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 17:47:10,936 INFO L358 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2022-11-09 17:47:20,397 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONDATA_RACE === [P2Err0ASSERT_VIOLATIONDATA_RACE, P2Err1ASSERT_VIOLATIONDATA_RACE, P2Err2ASSERT_VIOLATIONDATA_RACE, P2Err3ASSERT_VIOLATIONDATA_RACE (and 29 more)] === [2022-11-09 17:47:20,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 17:47:20,402 INFO L85 PathProgramCache]: Analyzing trace with hash 14140573, now seen corresponding path program 1 times [2022-11-09 17:47:20,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-11-09 17:47:20,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695515589] [2022-11-09 17:47:20,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 17:47:20,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 17:47:20,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 17:47:20,709 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 17:47:20,709 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-11-09 17:47:20,710 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695515589] [2022-11-09 17:47:20,710 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [695515589] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 17:47:20,710 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 17:47:20,710 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-09 17:47:20,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740119971] [2022-11-09 17:47:20,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 17:47:20,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-09 17:47:20,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-11-09 17:47:20,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-09 17:47:20,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-09 17:47:20,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 17:47:20,733 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 17:47:20,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.0) internal successors, (70), 2 states have internal predecessors, (70), 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 17:47:20,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 17:49:35,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 17:49:35,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (32 of 33 remaining) [2022-11-09 17:49:35,154 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (31 of 33 remaining) [2022-11-09 17:49:35,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (30 of 33 remaining) [2022-11-09 17:49:35,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (29 of 33 remaining) [2022-11-09 17:49:35,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (28 of 33 remaining) [2022-11-09 17:49:35,155 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err5ASSERT_VIOLATIONDATA_RACE (27 of 33 remaining) [2022-11-09 17:49:35,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err6ASSERT_VIOLATIONDATA_RACE (26 of 33 remaining) [2022-11-09 17:49:35,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err7ASSERT_VIOLATIONDATA_RACE (25 of 33 remaining) [2022-11-09 17:49:35,156 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err8ASSERT_VIOLATIONDATA_RACE (24 of 33 remaining) [2022-11-09 17:49:35,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err9ASSERT_VIOLATIONDATA_RACE (23 of 33 remaining) [2022-11-09 17:49:35,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err10ASSERT_VIOLATIONDATA_RACE (22 of 33 remaining) [2022-11-09 17:49:35,157 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err11ASSERT_VIOLATIONDATA_RACE (21 of 33 remaining) [2022-11-09 17:49:35,158 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err12ASSERT_VIOLATIONDATA_RACE (20 of 33 remaining) [2022-11-09 17:49:35,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err13ASSERT_VIOLATIONDATA_RACE (19 of 33 remaining) [2022-11-09 17:49:35,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err14ASSERT_VIOLATIONDATA_RACE (18 of 33 remaining) [2022-11-09 17:49:35,159 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err15ASSERT_VIOLATIONDATA_RACE (17 of 33 remaining) [2022-11-09 17:49:35,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err16ASSERT_VIOLATIONDATA_RACE (16 of 33 remaining) [2022-11-09 17:49:35,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err17ASSERT_VIOLATIONDATA_RACE (15 of 33 remaining) [2022-11-09 17:49:35,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err18ASSERT_VIOLATIONDATA_RACE (14 of 33 remaining) [2022-11-09 17:49:35,160 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err19ASSERT_VIOLATIONDATA_RACE (13 of 33 remaining) [2022-11-09 17:49:35,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err20ASSERT_VIOLATIONDATA_RACE (12 of 33 remaining) [2022-11-09 17:49:35,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err21ASSERT_VIOLATIONDATA_RACE (11 of 33 remaining) [2022-11-09 17:49:35,161 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err22ASSERT_VIOLATIONDATA_RACE (10 of 33 remaining) [2022-11-09 17:49:35,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err23ASSERT_VIOLATIONDATA_RACE (9 of 33 remaining) [2022-11-09 17:49:35,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err24ASSERT_VIOLATIONDATA_RACE (8 of 33 remaining) [2022-11-09 17:49:35,162 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err25ASSERT_VIOLATIONDATA_RACE (7 of 33 remaining) [2022-11-09 17:49:35,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err26ASSERT_VIOLATIONDATA_RACE (6 of 33 remaining) [2022-11-09 17:49:35,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err27ASSERT_VIOLATIONDATA_RACE (5 of 33 remaining) [2022-11-09 17:49:35,163 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err28ASSERT_VIOLATIONDATA_RACE (4 of 33 remaining) [2022-11-09 17:49:35,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err29ASSERT_VIOLATIONDATA_RACE (3 of 33 remaining) [2022-11-09 17:49:35,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err30ASSERT_VIOLATIONDATA_RACE (2 of 33 remaining) [2022-11-09 17:49:35,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err31ASSERT_VIOLATIONDATA_RACE (1 of 33 remaining) [2022-11-09 17:49:35,164 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err32ASSERT_VIOLATIONDATA_RACE (0 of 33 remaining) [2022-11-09 17:49:35,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-09 17:49:35,170 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-09 17:49:35,172 INFO L307 ceAbstractionStarter]: Result for error location P2Thread1of1ForFork2 was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/5) [2022-11-09 17:49:35,185 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 17:49:35,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-09 17:49:35,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-09 17:49:35,187 INFO L229 MonitoredProcess]: Starting monitored process 3 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 17:49:35,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-11-09 17:49:35,194 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-09 17:49:35,194 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-09 17:49:35,195 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;@76e64f86, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 17:49:35,195 INFO L358 AbstractCegarLoop]: Starting to check reachability of 43 error locations. [2022-11-09 17:49:35,300 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2022-11-09 17:49:35,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 17:49:35,301 INFO L85 PathProgramCache]: Analyzing trace with hash 586036812, now seen corresponding path program 1 times [2022-11-09 17:49:35,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-11-09 17:49:35,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620443099] [2022-11-09 17:49:35,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 17:49:35,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 17:49:35,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 17:49:35,479 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 17:49:35,479 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-11-09 17:49:35,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620443099] [2022-11-09 17:49:35,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620443099] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 17:49:35,480 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 17:49:35,480 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-09 17:49:35,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518353642] [2022-11-09 17:49:35,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 17:49:35,481 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-09 17:49:35,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-11-09 17:49:35,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-09 17:49:35,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-09 17:49:35,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 17:49:35,482 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 17:49:35,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 74.0) internal successors, (74), 2 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-09 17:49:35,482 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 17:49:35,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 17:49:35,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-09 17:49:35,493 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2022-11-09 17:49:35,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 17:49:35,494 INFO L85 PathProgramCache]: Analyzing trace with hash 540828649, now seen corresponding path program 1 times [2022-11-09 17:49:35,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-11-09 17:49:35,494 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697003541] [2022-11-09 17:49:35,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 17:49:35,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 17:49:35,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 17:49:35,654 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 17:49:35,654 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-11-09 17:49:35,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697003541] [2022-11-09 17:49:35,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697003541] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 17:49:35,656 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 17:49:35,656 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-09 17:49:35,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253869613] [2022-11-09 17:49:35,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 17:49:35,657 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-09 17:49:35,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-11-09 17:49:35,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-09 17:49:35,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-09 17:49:35,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 17:49:35,660 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 17:49:35,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 38.0) internal successors, (76), 3 states have internal predecessors, (76), 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 17:49:35,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 17:49:35,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 17:49:44,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 17:49:44,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 17:49:44,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-09 17:49:44,708 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 40 more)] === [2022-11-09 17:49:44,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 17:49:44,709 INFO L85 PathProgramCache]: Analyzing trace with hash -74244832, now seen corresponding path program 1 times [2022-11-09 17:49:44,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-11-09 17:49:44,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016719725] [2022-11-09 17:49:44,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 17:49:44,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 17:49:44,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 17:49:44,839 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 17:49:44,839 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-11-09 17:49:44,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016719725] [2022-11-09 17:49:44,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2016719725] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 17:49:44,840 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 17:49:44,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-09 17:49:44,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510248428] [2022-11-09 17:49:44,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 17:49:44,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-09 17:49:44,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-11-09 17:49:44,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-09 17:49:44,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-09 17:49:44,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 17:49:44,842 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 17:49:44,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 43.0) internal successors, (86), 3 states have internal predecessors, (86), 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 17:49:44,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 17:49:44,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 17:49:44,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 17:49:57,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-09 17:49:57,402 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3) with exit command (exit)) Connection to SMT solver broken at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.convertIOException(Executor.java:314) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:158) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.assertTerm(Scriptor.java:146) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.assertTerm(DiffWrapperScript.java:111) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.assertTerm(WrapperScript.java:158) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.assertTerm(ManagedScript.java:134) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.checkImplication(TransFormulaUtils.java:1161) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceRelation.performInclusionCheck(SemanticIndependenceRelation.java:190) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceRelation.containsLBool(SemanticIndependenceRelation.java:141) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceRelation.contains(SemanticIndependenceRelation.java:119) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceRelation.contains(SemanticIndependenceRelation.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.independence.UnionIndependenceRelation.lambda$2(UnionIndependenceRelation.java:70) at java.base/java.util.stream.MatchOps$1MatchSink.accept(MatchOps.java:90) at java.base/java.util.ArrayList$ArrayListSpliterator.tryAdvance(ArrayList.java:1632) at java.base/java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:127) at java.base/java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:502) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:488) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:230) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:196) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.anyMatch(ReferencePipeline.java:528) at de.uni_freiburg.informatik.ultimate.automata.partialorder.independence.UnionIndependenceRelation.contains(UnionIndependenceRelation.java:70) at de.uni_freiburg.informatik.ultimate.automata.partialorder.independence.CachedIndependenceRelation.contains(CachedIndependenceRelation.java:120) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticConditionEliminator.contains(SemanticConditionEliminator.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticConditionEliminator.contains(SemanticConditionEliminator.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.independence.ConditionTransformingIndependenceRelation.contains(ConditionTransformingIndependenceRelation.java:87) at de.uni_freiburg.informatik.ultimate.automata.partialorder.independence.DisjunctiveConditionalIndependenceRelation.contains(DisjunctiveConditionalIndependenceRelation.java:78) at de.uni_freiburg.informatik.ultimate.automata.partialorder.independence.DisjunctiveConditionalIndependenceRelation.contains(DisjunctiveConditionalIndependenceRelation.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.independence.ConditionTransformingIndependenceRelation.contains(ConditionTransformingIndependenceRelation.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.ThreadSeparatingIndependenceRelation.contains(ThreadSeparatingIndependenceRelation.java:74) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.ThreadSeparatingIndependenceRelation.contains(ThreadSeparatingIndependenceRelation.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.independence.ConditionTransformingIndependenceRelation.contains(ConditionTransformingIndependenceRelation.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.ThreadBasedPersistentSets.lambda$7(ThreadBasedPersistentSets.java:367) at java.base/java.util.stream.MatchOps$1MatchSink.accept(MatchOps.java:90) at java.base/java.util.ArrayList$ArrayListSpliterator.tryAdvance(ArrayList.java:1632) at java.base/java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:127) at java.base/java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:502) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:488) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:230) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:196) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.anyMatch(ReferencePipeline.java:528) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.ThreadBasedPersistentSets.lambda$5(ThreadBasedPersistentSets.java:367) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.IcfgUtils.canReachCached(IcfgUtils.java:339) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.ThreadBasedPersistentSets.canReachConflict(ThreadBasedPersistentSets.java:422) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.ThreadBasedPersistentSets.hasCommutativityConflict(ThreadBasedPersistentSets.java:364) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.ThreadBasedPersistentSets.getDirectConflicts(ThreadBasedPersistentSets.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.ThreadBasedPersistentSets.computeAllConflicts(ThreadBasedPersistentSets.java:287) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.ThreadBasedPersistentSets.getActiveConflicts(ThreadBasedPersistentSets.java:276) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.ThreadBasedPersistentSets.persistentSet(ThreadBasedPersistentSets.java:172) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.ThreadBasedPersistentSets.persistentSet(ThreadBasedPersistentSets.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.CachedPersistentSetChoice.persistentSet(CachedPersistentSetChoice.java:75) at de.uni_freiburg.informatik.ultimate.automata.partialorder.PersistentSetReduction$CompatibleDfsOrder.getOrder(PersistentSetReduction.java:154) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.visitState(DepthFirstTraversal.java:234) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.traverse(DepthFirstTraversal.java:165) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.(DepthFirstTraversal.java:98) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.traverse(DepthFirstTraversal.java:122) at de.uni_freiburg.informatik.ultimate.automata.partialorder.PersistentSetReduction.applyNewStateReduction(PersistentSetReduction.java:73) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:264) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:466) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: java.io.IOException: Cannot allocate memory at java.base/java.io.FileOutputStream.writeBytes(Native Method) at java.base/java.io.FileOutputStream.write(FileOutputStream.java:354) at java.base/java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:81) at java.base/java.io.BufferedOutputStream.flush(BufferedOutputStream.java:142) at java.base/sun.nio.cs.StreamEncoder.implFlush(StreamEncoder.java:318) at java.base/sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:153) at java.base/java.io.OutputStreamWriter.flush(OutputStreamWriter.java:251) at java.base/java.io.BufferedWriter.flush(BufferedWriter.java:257) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:156) ... 79 more [2022-11-09 17:49:57,405 INFO L158 Benchmark]: Toolchain (without parser) took 177435.50ms. Allocated memory was 195.0MB in the beginning and 7.8GB in the end (delta: 7.6GB). Free memory was 138.7MB in the beginning and 5.9GB in the end (delta: -5.7GB). Peak memory consumption was 2.6GB. Max. memory is 8.0GB. [2022-11-09 17:49:57,405 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 195.0MB. Free memory is still 157.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-11-09 17:49:57,406 INFO L158 Benchmark]: CACSL2BoogieTranslator took 541.22ms. Allocated memory is still 195.0MB. Free memory was 138.4MB in the beginning and 154.0MB in the end (delta: -15.6MB). Peak memory consumption was 12.8MB. Max. memory is 8.0GB. [2022-11-09 17:49:57,406 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.45ms. Allocated memory is still 195.0MB. Free memory was 153.5MB in the beginning and 150.4MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-11-09 17:49:57,407 INFO L158 Benchmark]: Boogie Preprocessor took 100.74ms. Allocated memory is still 195.0MB. Free memory was 150.4MB in the beginning and 146.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-11-09 17:49:57,407 INFO L158 Benchmark]: RCFGBuilder took 8308.72ms. Allocated memory was 195.0MB in the beginning and 792.7MB in the end (delta: 597.7MB). Free memory was 146.2MB in the beginning and 568.6MB in the end (delta: -422.5MB). Peak memory consumption was 533.8MB. Max. memory is 8.0GB. [2022-11-09 17:49:57,407 INFO L158 Benchmark]: TraceAbstraction took 168414.54ms. Allocated memory was 792.7MB in the beginning and 7.8GB in the end (delta: 7.0GB). Free memory was 568.1MB in the beginning and 5.9GB in the end (delta: -5.3GB). Peak memory consumption was 2.5GB. Max. memory is 8.0GB. [2022-11-09 17:49:57,409 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################