/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/goblint-regression/04-mutex_55-pt_rwlock_rr.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-44940e9-m [2022-11-09 19:12:46,826 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-09 19:12:46,828 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-09 19:12:46,845 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-11-09 19:12:46,850 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-09 19:12:46,851 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-09 19:12:46,852 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-09 19:12:46,852 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-09 19:12:46,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-09 19:12:46,853 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-09 19:12:46,854 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-09 19:12:46,855 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-09 19:12:46,856 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-09 19:12:46,857 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-09 19:12:46,858 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-09 19:12:46,858 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-09 19:12:46,860 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-11-09 19:12:46,862 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-09 19:12:46,862 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-09 19:12:46,863 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-09 19:12:46,863 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-09 19:12:46,864 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-09 19:12:46,864 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-09 19:12:46,864 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-09 19:12:46,865 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-09 19:12:46,865 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-09 19:12:46,865 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-09 19:12:46,866 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-09 19:12:46,868 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-09 19:12:46,881 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-09 19:12:46,881 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-09 19:12:46,882 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-09 19:12:46,882 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-09 19:12:46,882 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-09 19:12:46,882 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-09 19:12:46,883 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-09 19:12:46,883 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-09 19:12:46,883 INFO L138 SettingsManager]: * Use SBE=true [2022-11-09 19:12:46,883 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-09 19:12:46,883 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-09 19:12:46,883 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-09 19:12:46,883 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-09 19:12:46,883 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-09 19:12:46,883 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-09 19:12:46,884 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-09 19:12:46,884 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-09 19:12:46,884 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-09 19:12:46,884 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-09 19:12:46,884 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-09 19:12:46,884 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-09 19:12:46,884 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-09 19:12:46,884 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-09 19:12:46,884 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-09 19:12:46,884 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-09 19:12:46,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-09 19:12:46,885 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-09 19:12:46,885 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-09 19:12:46,885 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-09 19:12:46,885 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-09 19:12:46,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-09 19:12:46,885 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-09 19:12:46,885 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-09 19:12:46,885 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-09 19:12:46,885 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-09 19:12:46,885 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-09 19:12:46,885 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> BADGER Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-11-09 19:12:47,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-09 19:12:47,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-09 19:12:47,098 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-09 19:12:47,099 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-09 19:12:47,101 INFO L275 PluginConnector]: CDTParser initialized [2022-11-09 19:12:47,102 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_55-pt_rwlock_rr.i [2022-11-09 19:12:47,146 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bee9f6ec1/af9d16c9c0964d5a96c97b30a0fcad96/FLAGff4eb9273 [2022-11-09 19:12:47,618 INFO L306 CDTParser]: Found 1 translation units. [2022-11-09 19:12:47,618 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_55-pt_rwlock_rr.i [2022-11-09 19:12:47,632 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bee9f6ec1/af9d16c9c0964d5a96c97b30a0fcad96/FLAGff4eb9273 [2022-11-09 19:12:47,646 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bee9f6ec1/af9d16c9c0964d5a96c97b30a0fcad96 [2022-11-09 19:12:47,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-09 19:12:47,663 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-09 19:12:47,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-09 19:12:47,664 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-09 19:12:47,666 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-09 19:12:47,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:12:47" (1/1) ... [2022-11-09 19:12:47,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5af14c4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:47, skipping insertion in model container [2022-11-09 19:12:47,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:12:47" (1/1) ... [2022-11-09 19:12:47,672 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-09 19:12:47,706 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-09 19:12:48,071 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-09 19:12:48,084 INFO L203 MainTranslator]: Completed pre-run [2022-11-09 19:12:48,132 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-09 19:12:48,172 INFO L208 MainTranslator]: Completed translation [2022-11-09 19:12:48,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:48 WrapperNode [2022-11-09 19:12:48,172 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-09 19:12:48,173 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-09 19:12:48,173 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-09 19:12:48,173 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-09 19:12:48,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:48" (1/1) ... [2022-11-09 19:12:48,202 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:48" (1/1) ... [2022-11-09 19:12:48,222 INFO L138 Inliner]: procedures = 263, calls = 32, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 65 [2022-11-09 19:12:48,223 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-09 19:12:48,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-09 19:12:48,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-09 19:12:48,224 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-09 19:12:48,230 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:48" (1/1) ... [2022-11-09 19:12:48,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:48" (1/1) ... [2022-11-09 19:12:48,239 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:48" (1/1) ... [2022-11-09 19:12:48,239 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:48" (1/1) ... [2022-11-09 19:12:48,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:48" (1/1) ... [2022-11-09 19:12:48,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:48" (1/1) ... [2022-11-09 19:12:48,251 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:48" (1/1) ... [2022-11-09 19:12:48,252 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:48" (1/1) ... [2022-11-09 19:12:48,253 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-09 19:12:48,254 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-09 19:12:48,254 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-09 19:12:48,254 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-09 19:12:48,255 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:48" (1/1) ... [2022-11-09 19:12:48,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-09 19:12:48,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-09 19:12:48,279 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 19:12:48,283 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 19:12:48,311 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockReadLock [2022-11-09 19:12:48,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-09 19:12:48,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-09 19:12:48,312 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockUnlock [2022-11-09 19:12:48,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-09 19:12:48,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-09 19:12:48,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-09 19:12:48,313 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-09 19:12:48,313 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-09 19:12:48,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-09 19:12:48,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-09 19:12:48,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-09 19:12:48,317 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 19:12:48,420 INFO L235 CfgBuilder]: Building ICFG [2022-11-09 19:12:48,422 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-09 19:12:48,570 INFO L276 CfgBuilder]: Performing block encoding [2022-11-09 19:12:48,575 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-09 19:12:48,575 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-09 19:12:48,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:12:48 BoogieIcfgContainer [2022-11-09 19:12:48,577 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-09 19:12:48,578 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-09 19:12:48,579 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-09 19:12:48,589 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-09 19:12:48,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:12:47" (1/3) ... [2022-11-09 19:12:48,590 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@433acad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:12:48, skipping insertion in model container [2022-11-09 19:12:48,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:12:48" (2/3) ... [2022-11-09 19:12:48,590 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@433acad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:12:48, skipping insertion in model container [2022-11-09 19:12:48,590 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:12:48" (3/3) ... [2022-11-09 19:12:48,591 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_55-pt_rwlock_rr.i [2022-11-09 19:12:48,597 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-09 19:12:48,603 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-09 19:12:48,603 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2022-11-09 19:12:48,603 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-09 19:12:48,656 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-09 19:12:48,698 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 19:12:48,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-09 19:12:48,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-09 19:12:48,702 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 19:12:48,703 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 19:12:48,740 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-09 19:12:48,749 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2022-11-09 19:12:48,759 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;@54a374b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 19:12:48,760 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-09 19:12:48,897 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE] === [2022-11-09 19:12:48,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 19:12:48,901 INFO L85 PathProgramCache]: Analyzing trace with hash 827672691, now seen corresponding path program 1 times [2022-11-09 19:12:48,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-11-09 19:12:48,909 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401289718] [2022-11-09 19:12:48,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 19:12:48,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 19:12:49,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 19:12:49,157 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 19:12:49,157 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-11-09 19:12:49,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401289718] [2022-11-09 19:12:49,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401289718] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 19:12:49,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 19:12:49,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-09 19:12:49,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993748306] [2022-11-09 19:12:49,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 19:12:49,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-09 19:12:49,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-11-09 19:12:49,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-09 19:12:49,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-09 19:12:49,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 19:12:49,189 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 19:12:49,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 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 19:12:49,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 19:12:49,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:12:49,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-09 19:12:49,217 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE] === [2022-11-09 19:12:49,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 19:12:49,218 INFO L85 PathProgramCache]: Analyzing trace with hash 164654098, now seen corresponding path program 1 times [2022-11-09 19:12:49,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-11-09 19:12:49,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129129089] [2022-11-09 19:12:49,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 19:12:49,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 19:12:49,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 19:12:49,278 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 19:12:49,278 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-11-09 19:12:49,278 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129129089] [2022-11-09 19:12:49,278 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129129089] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 19:12:49,278 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 19:12:49,278 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-09 19:12:49,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455525733] [2022-11-09 19:12:49,279 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 19:12:49,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-09 19:12:49,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-11-09 19:12:49,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-09 19:12:49,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-09 19:12:49,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 19:12:49,281 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 19:12:49,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 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 19:12:49,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:12:49,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 19:12:49,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:12:49,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:12:49,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-09 19:12:49,304 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE] === [2022-11-09 19:12:49,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 19:12:49,304 INFO L85 PathProgramCache]: Analyzing trace with hash 259854937, now seen corresponding path program 1 times [2022-11-09 19:12:49,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-11-09 19:12:49,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819771618] [2022-11-09 19:12:49,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 19:12:49,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 19:12:49,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 19:12:49,345 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 19:12:49,345 INFO L136 FreeRefinementEngine]: Strategy BADGER found an infeasible trace [2022-11-09 19:12:49,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819771618] [2022-11-09 19:12:49,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819771618] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 19:12:49,346 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 19:12:49,346 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-09 19:12:49,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914395527] [2022-11-09 19:12:49,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 19:12:49,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-09 19:12:49,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy BADGER [2022-11-09 19:12:49,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-09 19:12:49,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-09 19:12:49,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 19:12:49,348 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 19:12:49,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 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 19:12:49,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:12:49,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:12:49,348 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 19:12:49,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:12:49,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:12:49,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 19:12:49,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-09 19:12:49,388 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE] === [2022-11-09 19:12:49,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 19:12:49,389 INFO L85 PathProgramCache]: Analyzing trace with hash 24541264, now seen corresponding path program 1 times [2022-11-09 19:12:49,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy BADGER [2022-11-09 19:12:49,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937480797] [2022-11-09 19:12:49,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 19:12:49,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 19:12:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-09 19:12:49,417 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-09 19:12:49,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-09 19:12:49,454 INFO L130 FreeRefinementEngine]: Strategy BADGER found a feasible trace [2022-11-09 19:12:49,455 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-09 19:12:49,455 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (2 of 3 remaining) [2022-11-09 19:12:49,457 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 3 remaining) [2022-11-09 19:12:49,457 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 3 remaining) [2022-11-09 19:12:49,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-09 19:12:49,464 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-09 19:12:49,466 INFO L307 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was UNSAFE,UNKNOWN,UNKNOWN (1/2) [2022-11-09 19:12:49,470 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-09 19:12:49,470 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-09 19:12:49,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 07:12:49 BasicIcfg [2022-11-09 19:12:49,514 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-09 19:12:49,514 INFO L158 Benchmark]: Toolchain (without parser) took 1863.60ms. Allocated memory was 191.9MB in the beginning and 230.7MB in the end (delta: 38.8MB). Free memory was 137.2MB in the beginning and 170.9MB in the end (delta: -33.7MB). Peak memory consumption was 5.1MB. Max. memory is 8.0GB. [2022-11-09 19:12:49,514 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 191.9MB. Free memory is still 155.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-11-09 19:12:49,515 INFO L158 Benchmark]: CACSL2BoogieTranslator took 508.26ms. Allocated memory is still 191.9MB. Free memory was 170.0MB in the beginning and 147.3MB in the end (delta: 22.8MB). Peak memory consumption was 26.6MB. Max. memory is 8.0GB. [2022-11-09 19:12:49,515 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.21ms. Allocated memory is still 191.9MB. Free memory was 147.3MB in the beginning and 145.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-09 19:12:49,515 INFO L158 Benchmark]: Boogie Preprocessor took 29.87ms. Allocated memory is still 191.9MB. Free memory was 145.3MB in the beginning and 143.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-09 19:12:49,515 INFO L158 Benchmark]: RCFGBuilder took 323.08ms. Allocated memory is still 191.9MB. Free memory was 143.2MB in the beginning and 129.0MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-11-09 19:12:49,516 INFO L158 Benchmark]: TraceAbstraction took 935.27ms. Allocated memory was 191.9MB in the beginning and 230.7MB in the end (delta: 38.8MB). Free memory was 127.9MB in the beginning and 170.9MB in the end (delta: -43.0MB). There was no memory consumed. Max. memory is 8.0GB. [2022-11-09 19:12:49,517 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 191.9MB. Free memory is still 155.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 508.26ms. Allocated memory is still 191.9MB. Free memory was 170.0MB in the beginning and 147.3MB in the end (delta: 22.8MB). Peak memory consumption was 26.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.21ms. Allocated memory is still 191.9MB. Free memory was 147.3MB in the beginning and 145.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.87ms. Allocated memory is still 191.9MB. Free memory was 145.3MB in the beginning and 143.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 323.08ms. Allocated memory is still 191.9MB. Free memory was 143.2MB in the beginning and 129.0MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 935.27ms. Allocated memory was 191.9MB in the beginning and 230.7MB in the end (delta: 38.8MB). Free memory was 127.9MB in the beginning and 170.9MB in the end (delta: -43.0MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 570, positive: 547, positive conditional: 84, positive unconditional: 463, negative: 23, negative conditional: 12, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 559, positive: 547, positive conditional: 84, positive unconditional: 463, negative: 12, negative conditional: 1, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 559, positive: 547, positive conditional: 84, positive unconditional: 463, negative: 12, negative conditional: 1, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 563, positive: 547, positive conditional: 2, positive unconditional: 545, negative: 16, negative conditional: 2, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 563, positive: 547, positive conditional: 2, positive unconditional: 545, negative: 16, negative conditional: 1, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 563, positive: 547, positive conditional: 2, positive unconditional: 545, negative: 16, negative conditional: 1, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 478, positive: 465, positive conditional: 2, positive unconditional: 463, negative: 13, negative conditional: 1, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 478, positive: 458, positive conditional: 0, positive unconditional: 458, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 7, positive conditional: 2, positive unconditional: 5, negative: 13, negative conditional: 1, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 105, positive: 85, positive conditional: 3, positive unconditional: 82, negative: 21, negative conditional: 1, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 563, positive: 82, positive conditional: 0, positive unconditional: 82, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 478, unknown conditional: 3, unknown unconditional: 475] , Statistics on independence cache: Total cache size (in pairs): 478, Positive cache size: 465, Positive conditional cache size: 2, Positive unconditional cache size: 463, Negative cache size: 13, Negative conditional cache size: 1, Negative unconditional cache size: 12, Eliminated conditions: 1, Maximal queried relation: 2, Independence queries for same thread: 11 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 64, Number of trivial persistent sets: 55, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 474, positive: 463, positive conditional: 0, positive unconditional: 463, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 570, positive: 547, positive conditional: 84, positive unconditional: 463, negative: 23, negative conditional: 12, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 559, positive: 547, positive conditional: 84, positive unconditional: 463, negative: 12, negative conditional: 1, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 559, positive: 547, positive conditional: 84, positive unconditional: 463, negative: 12, negative conditional: 1, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 563, positive: 547, positive conditional: 2, positive unconditional: 545, negative: 16, negative conditional: 2, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 563, positive: 547, positive conditional: 2, positive unconditional: 545, negative: 16, negative conditional: 1, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 563, positive: 547, positive conditional: 2, positive unconditional: 545, negative: 16, negative conditional: 1, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 478, positive: 465, positive conditional: 2, positive unconditional: 463, negative: 13, negative conditional: 1, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 478, positive: 458, positive conditional: 0, positive unconditional: 458, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 20, positive: 7, positive conditional: 2, positive unconditional: 5, negative: 13, negative conditional: 1, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 105, positive: 85, positive conditional: 3, positive unconditional: 82, negative: 21, negative conditional: 1, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 563, positive: 82, positive conditional: 0, positive unconditional: 82, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 478, unknown conditional: 3, unknown unconditional: 475] , Statistics on independence cache: Total cache size (in pairs): 478, Positive cache size: 465, Positive conditional cache size: 2, Positive unconditional cache size: 463, Negative cache size: 13, Negative conditional cache size: 1, Negative unconditional cache size: 12, Eliminated conditions: 1, Maximal queried relation: 2, Independence queries for same thread: 11 - DataRaceFoundResult [Line: 923]: Data race detected Data race detected The following path leads to a data race: [L917] 0 static int data1; VAL [data1=0] [L918] 0 static int data2; VAL [data1=0, data2=0] [L919] 0 static pthread_rwlock_t rwlock = { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 } }; VAL [data1=0, data2=0, rwlock={3:0}] [L928] 0 pthread_t id; VAL [data1=0, data2=0, id={5:0}, rwlock={3:0}] [L929] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data1=0, data2=0, id={5:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1, rwlock={3:0}] [L922] 1 data1++ VAL [arg={0:0}, arg={0:0}, data1=1, data2=0, rwlock={3:0}] [L931] 0 printf("%d",data1) VAL [arg={0:0}, arg={0:0}, data1=1, data2=0, id={5:0}, rwlock={3:0}] [L932] 0 data2++ VAL [arg={0:0}, arg={0:0}, data1=1, data2=1, data2++=102, data2++=0, id={5:0}, rwlock={3:0}] [L923] 1 printf("%d",data2) VAL [arg={0:0}, arg={0:0}, data1=1, data2=1, rwlock={3:0}] Now there is a data race on ~data2~0 between C: data2++ [932] and C: printf("%d",data2) [923] - UnprovableResult [Line: 922]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 922]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t_funThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 120 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 202 NumberOfCodeBlocks, 202 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 141 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-09 19:12:49,573 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-11-09 19:12:49,785 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...