/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/pthread-wmm/rfi003_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-44940e9-m [2022-11-09 15:54:00,222 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2022-11-09 15:54:00,273 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-09 15:54:00,274 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-09 15:54:00,275 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-09 15:54:00,276 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-09 15:54:00,276 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-09 15:54:00,277 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-09 15:54:00,278 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-09 15:54:00,282 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-09 15:54:00,283 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-09 15:54:00,283 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-09 15:54:00,285 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-09 15:54:00,285 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-09 15:54:00,291 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-09 15:54:00,291 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-09 15:54:00,291 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-09 15:54:00,292 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-09 15:54:00,292 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-09 15:54:00,293 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-09 15:54:00,293 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-09 15:54:00,293 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-09 15:54:00,294 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-09 15:54:00,295 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-09 15:54:00,296 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-09 15:54:00,296 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-09 15:54:00,296 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-09 15:54:00,296 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-09 15:54:00,296 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-09 15:54:00,297 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-09 15:54:00,297 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-09 15:54:00,298 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-09 15:54:00,322 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-09 15:54:00,323 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-09 15:54:00,323 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-09 15:54:00,323 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-09 15:54:00,324 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-09 15:54:00,324 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-09 15:54:00,324 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-09 15:54:00,324 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-09 15:54:00,324 INFO L138 SettingsManager]: * Use SBE=true [2022-11-09 15:54:00,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-09 15:54:00,325 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-09 15:54:00,325 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-09 15:54:00,325 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-09 15:54:00,325 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-09 15:54:00,326 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-09 15:54:00,326 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-09 15:54:00,326 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-09 15:54:00,326 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-09 15:54:00,326 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-09 15:54:00,326 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-09 15:54:00,326 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-09 15:54:00,326 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-09 15:54:00,326 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-09 15:54:00,327 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-09 15:54:00,327 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-09 15:54:00,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-09 15:54:00,327 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-09 15:54:00,328 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-09 15:54:00,328 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-09 15:54:00,328 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-09 15:54:00,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-09 15:54:00,328 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-09 15:54:00,328 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-09 15:54:00,328 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-09 15:54:00,328 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-09 15:54:00,328 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-09 15:54:00,328 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-11-09 15:54:00,522 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-09 15:54:00,558 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-09 15:54:00,560 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-09 15:54:00,561 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-09 15:54:00,565 INFO L275 PluginConnector]: CDTParser initialized [2022-11-09 15:54:00,566 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi003_tso.i [2022-11-09 15:54:00,611 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/390ca7a29/0afa9cc960da4b519ff61f1de2356bc6/FLAGf39bcedce [2022-11-09 15:54:01,027 INFO L306 CDTParser]: Found 1 translation units. [2022-11-09 15:54:01,028 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi003_tso.i [2022-11-09 15:54:01,038 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/390ca7a29/0afa9cc960da4b519ff61f1de2356bc6/FLAGf39bcedce [2022-11-09 15:54:01,395 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/390ca7a29/0afa9cc960da4b519ff61f1de2356bc6 [2022-11-09 15:54:01,396 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-09 15:54:01,397 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-09 15:54:01,398 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-09 15:54:01,398 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-09 15:54:01,408 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-09 15:54:01,408 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:54:01" (1/1) ... [2022-11-09 15:54:01,409 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@349a9aca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:54:01, skipping insertion in model container [2022-11-09 15:54:01,409 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:54:01" (1/1) ... [2022-11-09 15:54:01,414 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-09 15:54:01,459 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-09 15:54:01,597 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/rfi003_tso.i[944,957] [2022-11-09 15:54:01,752 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-09 15:54:01,757 INFO L203 MainTranslator]: Completed pre-run [2022-11-09 15:54:01,764 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/rfi003_tso.i[944,957] [2022-11-09 15:54:01,809 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-09 15:54:01,834 INFO L208 MainTranslator]: Completed translation [2022-11-09 15:54:01,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:54:01 WrapperNode [2022-11-09 15:54:01,834 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-09 15:54:01,835 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-09 15:54:01,835 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-09 15:54:01,835 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-09 15:54:01,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:54:01" (1/1) ... [2022-11-09 15:54:01,868 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:54:01" (1/1) ... [2022-11-09 15:54:01,921 INFO L138 Inliner]: procedures = 175, calls = 47, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 1545 [2022-11-09 15:54:01,921 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-09 15:54:01,921 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-09 15:54:01,922 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-09 15:54:01,922 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-09 15:54:01,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:54:01" (1/1) ... [2022-11-09 15:54:01,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:54:01" (1/1) ... [2022-11-09 15:54:01,941 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:54:01" (1/1) ... [2022-11-09 15:54:01,942 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:54:01" (1/1) ... [2022-11-09 15:54:01,964 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:54:01" (1/1) ... [2022-11-09 15:54:01,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:54:01" (1/1) ... [2022-11-09 15:54:01,972 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:54:01" (1/1) ... [2022-11-09 15:54:01,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:54:01" (1/1) ... [2022-11-09 15:54:01,980 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-09 15:54:01,981 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-09 15:54:01,981 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-09 15:54:01,981 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-09 15:54:01,982 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:54:01" (1/1) ... [2022-11-09 15:54:01,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-09 15:54:02,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-09 15:54:02,020 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 15:54:02,065 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 15:54:02,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-09 15:54:02,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-09 15:54:02,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-09 15:54:02,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-09 15:54:02,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-09 15:54:02,090 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-11-09 15:54:02,090 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-11-09 15:54:02,090 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-11-09 15:54:02,090 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-11-09 15:54:02,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-09 15:54:02,090 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-09 15:54:02,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-09 15:54:02,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-09 15:54:02,092 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-09 15:54:02,233 INFO L235 CfgBuilder]: Building ICFG [2022-11-09 15:54:02,234 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-09 15:54:03,403 INFO L276 CfgBuilder]: Performing block encoding [2022-11-09 15:54:27,428 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-09 15:54:27,429 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-09 15:54:27,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:54:27 BoogieIcfgContainer [2022-11-09 15:54:27,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-09 15:54:27,433 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-09 15:54:27,433 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-09 15:54:27,436 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-09 15:54:27,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:54:01" (1/3) ... [2022-11-09 15:54:27,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1366e3c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:54:27, skipping insertion in model container [2022-11-09 15:54:27,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:54:01" (2/3) ... [2022-11-09 15:54:27,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1366e3c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:54:27, skipping insertion in model container [2022-11-09 15:54:27,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:54:27" (3/3) ... [2022-11-09 15:54:27,437 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi003_tso.i [2022-11-09 15:54:27,443 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-09 15:54:27,449 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-09 15:54:27,449 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 430 error locations. [2022-11-09 15:54:27,449 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-09 15:54:32,158 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-09 15:54:32,195 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 15:54:32,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-09 15:54:32,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-09 15:54:32,211 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 15:54:32,229 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 15:54:32,243 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-09 15:54:32,253 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-09 15:54:32,258 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;@79081cf2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 15:54:32,258 INFO L358 AbstractCegarLoop]: Starting to check reachability of 133 error locations. [2022-11-09 15:54:32,424 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2022-11-09 15:54:32,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 15:54:32,441 INFO L85 PathProgramCache]: Analyzing trace with hash 181553180, now seen corresponding path program 1 times [2022-11-09 15:54:32,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 15:54:32,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104917826] [2022-11-09 15:54:32,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 15:54:32,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 15:54:33,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 15:54:33,130 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 15:54:33,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 15:54:33,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104917826] [2022-11-09 15:54:33,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104917826] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 15:54:33,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 15:54:33,132 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-09 15:54:33,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202334692] [2022-11-09 15:54:33,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 15:54:33,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-09 15:54:33,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 15:54:33,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-09 15:54:33,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-09 15:54:33,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 15:54:33,153 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 15:54:33,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 51.0) internal successors, (51), 2 states have internal predecessors, (51), 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 15:54:33,153 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 15:54:33,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 15:54:33,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-09 15:54:33,191 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2022-11-09 15:54:33,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 15:54:33,192 INFO L85 PathProgramCache]: Analyzing trace with hash -1620780140, now seen corresponding path program 1 times [2022-11-09 15:54:33,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 15:54:33,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745937506] [2022-11-09 15:54:33,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 15:54:33,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 15:54:33,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 15:54:33,493 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 15:54:33,493 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 15:54:33,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745937506] [2022-11-09 15:54:33,494 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745937506] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 15:54:33,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 15:54:33,494 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-09 15:54:33,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581578583] [2022-11-09 15:54:33,494 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 15:54:33,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-09 15:54:33,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 15:54:33,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-09 15:54:33,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-09 15:54:33,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 15:54:33,496 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 15:54:33,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 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 15:54:33,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 15:54:33,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 15:54:53,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 15:54:53,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:54:53,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-09 15:54:53,925 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr130ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 130 more)] === [2022-11-09 15:54:53,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 15:54:53,925 INFO L85 PathProgramCache]: Analyzing trace with hash -1541684500, now seen corresponding path program 1 times [2022-11-09 15:54:53,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 15:54:53,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959937128] [2022-11-09 15:54:53,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 15:54:53,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 15:54:54,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 15:54:54,456 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 15:54:54,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 15:54:54,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959937128] [2022-11-09 15:54:54,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959937128] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 15:54:54,457 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 15:54:54,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-09 15:54:54,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615931824] [2022-11-09 15:54:54,457 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 15:54:54,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-09 15:54:54,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 15:54:54,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-09 15:54:54,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-09 15:54:54,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 15:54:54,458 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 15:54:54,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 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 15:54:54,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 15:54:54,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:54:54,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.