/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder-VarAbsGlobalSyntactic.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/04-mutex_19-call_by_ptr_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-44940e9-m [2022-11-10 12:23:17,413 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-10 12:23:17,414 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-10 12:23:17,438 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-11-10 12:23:17,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-10 12:23:17,449 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-10 12:23:17,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-10 12:23:17,451 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-10 12:23:17,452 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-10 12:23:17,453 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-10 12:23:17,454 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-10 12:23:17,455 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-10 12:23:17,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-10 12:23:17,463 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-10 12:23:17,466 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-10 12:23:17,467 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-10 12:23:17,474 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-11-10 12:23:17,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-10 12:23:17,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-10 12:23:17,481 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-10 12:23:17,482 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder-VarAbsGlobalSyntactic.epf [2022-11-10 12:23:17,501 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-10 12:23:17,502 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-10 12:23:17,502 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-10 12:23:17,502 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-10 12:23:17,503 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-10 12:23:17,503 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-10 12:23:17,503 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-10 12:23:17,503 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-10 12:23:17,504 INFO L138 SettingsManager]: * Use SBE=true [2022-11-10 12:23:17,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-10 12:23:17,504 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-10 12:23:17,504 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-10 12:23:17,504 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-10 12:23:17,505 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-10 12:23:17,505 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-10 12:23:17,505 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-10 12:23:17,505 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-10 12:23:17,505 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-10 12:23:17,505 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-10 12:23:17,506 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-10 12:23:17,506 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-10 12:23:17,506 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-10 12:23:17,506 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-10 12:23:17,506 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-10 12:23:17,507 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-10 12:23:17,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-10 12:23:17,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-10 12:23:17,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-10 12:23:17,507 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-10 12:23:17,507 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-10 12:23:17,508 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-10 12:23:17,508 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-10 12:23:17,508 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-10 12:23:17,508 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-10 12:23:17,508 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-10 12:23:17,508 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-10 12:23:17,508 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-10 12:23:17,508 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-10 12:23:17,509 INFO L138 SettingsManager]: * Independence relation used for POR in concurrent analysis=SYNTACTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-11-10 12:23:17,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-10 12:23:17,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-10 12:23:17,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-10 12:23:17,749 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-10 12:23:17,751 INFO L275 PluginConnector]: CDTParser initialized [2022-11-10 12:23:17,752 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_19-call_by_ptr_rc.i [2022-11-10 12:23:17,811 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7d8667a5/8512ba82122143969205c1b18e1052cb/FLAG2d65a7880 [2022-11-10 12:23:18,329 INFO L306 CDTParser]: Found 1 translation units. [2022-11-10 12:23:18,330 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_19-call_by_ptr_rc.i [2022-11-10 12:23:18,339 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7d8667a5/8512ba82122143969205c1b18e1052cb/FLAG2d65a7880 [2022-11-10 12:23:18,784 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7d8667a5/8512ba82122143969205c1b18e1052cb [2022-11-10 12:23:18,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-10 12:23:18,788 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-10 12:23:18,789 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-10 12:23:18,789 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-10 12:23:18,794 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-10 12:23:18,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:23:18" (1/1) ... [2022-11-10 12:23:18,795 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53ffffb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:23:18, skipping insertion in model container [2022-11-10 12:23:18,795 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:23:18" (1/1) ... [2022-11-10 12:23:18,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-10 12:23:18,833 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-10 12:23:19,087 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-10 12:23:19,096 INFO L203 MainTranslator]: Completed pre-run [2022-11-10 12:23:19,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-10 12:23:19,171 INFO L208 MainTranslator]: Completed translation [2022-11-10 12:23:19,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:23:19 WrapperNode [2022-11-10 12:23:19,171 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-10 12:23:19,172 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-10 12:23:19,172 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-10 12:23:19,172 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-10 12:23:19,179 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:23:19" (1/1) ... [2022-11-10 12:23:19,198 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:23:19" (1/1) ... [2022-11-10 12:23:19,218 INFO L138 Inliner]: procedures = 166, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 75 [2022-11-10 12:23:19,218 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-10 12:23:19,219 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-10 12:23:19,219 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-10 12:23:19,219 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-10 12:23:19,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:23:19" (1/1) ... [2022-11-10 12:23:19,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:23:19" (1/1) ... [2022-11-10 12:23:19,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:23:19" (1/1) ... [2022-11-10 12:23:19,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:23:19" (1/1) ... [2022-11-10 12:23:19,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:23:19" (1/1) ... [2022-11-10 12:23:19,242 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:23:19" (1/1) ... [2022-11-10 12:23:19,248 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:23:19" (1/1) ... [2022-11-10 12:23:19,249 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:23:19" (1/1) ... [2022-11-10 12:23:19,251 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-10 12:23:19,252 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-10 12:23:19,252 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-10 12:23:19,252 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-10 12:23:19,256 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:23:19" (1/1) ... [2022-11-10 12:23:19,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-10 12:23:19,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 12:23:19,284 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-10 12:23:19,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-10 12:23:19,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-10 12:23:19,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-10 12:23:19,332 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-10 12:23:19,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-10 12:23:19,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-10 12:23:19,333 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-10 12:23:19,333 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-10 12:23:19,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-10 12:23:19,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-10 12:23:19,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-10 12:23:19,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-10 12:23:19,335 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-10 12:23:19,495 INFO L235 CfgBuilder]: Building ICFG [2022-11-10 12:23:19,497 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-10 12:23:19,740 INFO L276 CfgBuilder]: Performing block encoding [2022-11-10 12:23:19,746 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-10 12:23:19,746 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-10 12:23:19,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:23:19 BoogieIcfgContainer [2022-11-10 12:23:19,748 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-10 12:23:19,750 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-10 12:23:19,750 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-10 12:23:19,753 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-10 12:23:19,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 12:23:18" (1/3) ... [2022-11-10 12:23:19,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad948c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:23:19, skipping insertion in model container [2022-11-10 12:23:19,754 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:23:19" (2/3) ... [2022-11-10 12:23:19,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ad948c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:23:19, skipping insertion in model container [2022-11-10 12:23:19,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:23:19" (3/3) ... [2022-11-10 12:23:19,756 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_19-call_by_ptr_rc.i [2022-11-10 12:23:19,763 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-10 12:23:19,771 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-10 12:23:19,771 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-11-10 12:23:19,771 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-10 12:23:19,840 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-10 12:23:19,896 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 12:23:19,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 12:23:19,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 12:23:19,900 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-10 12:23:19,921 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-10 12:23:19,937 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 12:23:19,949 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2022-11-10 12:23:19,956 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;@145822bf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 12:23:19,956 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-10 12:23:20,152 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 12:23:20,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:23:20,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1400574992, now seen corresponding path program 1 times [2022-11-10 12:23:20,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:23:20,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491034366] [2022-11-10 12:23:20,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:23:20,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:23:20,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:23:20,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-10 12:23:20,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:23:20,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491034366] [2022-11-10 12:23:20,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491034366] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 12:23:20,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 12:23:20,379 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-10 12:23:20,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500513641] [2022-11-10 12:23:20,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 12:23:20,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 12:23:20,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:23:20,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 12:23:20,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-10 12:23:20,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:23:20,403 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:23:20,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 12:23:20,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:23:20,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:23:20,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-10 12:23:20,427 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 12:23:20,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:23:20,428 INFO L85 PathProgramCache]: Analyzing trace with hash 959353363, now seen corresponding path program 1 times [2022-11-10 12:23:20,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:23:20,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702684535] [2022-11-10 12:23:20,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:23:20,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:23:20,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:23:20,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-10 12:23:20,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:23:20,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702684535] [2022-11-10 12:23:20,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702684535] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 12:23:20,482 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 12:23:20,482 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-10 12:23:20,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705104317] [2022-11-10 12:23:20,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 12:23:20,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 12:23:20,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:23:20,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 12:23:20,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-10 12:23:20,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:23:20,485 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:23:20,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 12:23:20,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:23:20,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:23:20,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:23:20,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:23:20,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-10 12:23:20,557 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 12:23:20,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:23:20,557 INFO L85 PathProgramCache]: Analyzing trace with hash 572840750, now seen corresponding path program 1 times [2022-11-10 12:23:20,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:23:20,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6310699] [2022-11-10 12:23:20,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:23:20,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:23:20,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-10 12:23:20,593 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-10 12:23:20,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-10 12:23:20,630 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-10 12:23:20,630 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-10 12:23:20,631 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 2 remaining) [2022-11-10 12:23:20,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 2 remaining) [2022-11-10 12:23:20,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-10 12:23:20,637 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-10 12:23:20,639 INFO L307 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was UNSAFE,UNKNOWN (1/2) [2022-11-10 12:23:20,642 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-10 12:23:20,642 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-10 12:23:20,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 12:23:20 BasicIcfg [2022-11-10 12:23:20,680 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-10 12:23:20,681 INFO L158 Benchmark]: Toolchain (without parser) took 1893.12ms. Allocated memory was 200.3MB in the beginning and 286.3MB in the end (delta: 86.0MB). Free memory was 167.8MB in the beginning and 227.7MB in the end (delta: -59.9MB). Peak memory consumption was 26.5MB. Max. memory is 8.0GB. [2022-11-10 12:23:20,681 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 200.3MB. Free memory is still 155.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-11-10 12:23:20,682 INFO L158 Benchmark]: CACSL2BoogieTranslator took 383.06ms. Allocated memory was 200.3MB in the beginning and 286.3MB in the end (delta: 86.0MB). Free memory was 167.5MB in the beginning and 245.4MB in the end (delta: -77.9MB). Peak memory consumption was 10.8MB. Max. memory is 8.0GB. [2022-11-10 12:23:20,682 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.89ms. Allocated memory is still 286.3MB. Free memory was 245.4MB in the beginning and 243.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-10 12:23:20,683 INFO L158 Benchmark]: Boogie Preprocessor took 32.91ms. Allocated memory is still 286.3MB. Free memory was 243.3MB in the beginning and 241.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-10 12:23:20,683 INFO L158 Benchmark]: RCFGBuilder took 496.34ms. Allocated memory is still 286.3MB. Free memory was 241.3MB in the beginning and 227.3MB in the end (delta: 13.9MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-11-10 12:23:20,684 INFO L158 Benchmark]: TraceAbstraction took 930.07ms. Allocated memory is still 286.3MB. Free memory was 226.6MB in the beginning and 227.7MB in the end (delta: -1.1MB). There was no memory consumed. Max. memory is 8.0GB. [2022-11-10 12:23:20,686 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 200.3MB. Free memory is still 155.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 383.06ms. Allocated memory was 200.3MB in the beginning and 286.3MB in the end (delta: 86.0MB). Free memory was 167.5MB in the beginning and 245.4MB in the end (delta: -77.9MB). Peak memory consumption was 10.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.89ms. Allocated memory is still 286.3MB. Free memory was 245.4MB in the beginning and 243.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.91ms. Allocated memory is still 286.3MB. Free memory was 243.3MB in the beginning and 241.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 496.34ms. Allocated memory is still 286.3MB. Free memory was 241.3MB in the beginning and 227.3MB in the end (delta: 13.9MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 930.07ms. Allocated memory is still 286.3MB. Free memory was 226.6MB in the beginning and 227.7MB in the end (delta: -1.1MB). 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 IndependenceRelationWithAbstraction.Independence Queries: [ total: 275, positive: 272, positive conditional: 6, positive unconditional: 266, negative: 3, negative conditional: 1, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1482, positive: 1460, positive conditional: 77, positive unconditional: 1383, negative: 22, negative conditional: 10, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1474, positive: 1460, positive conditional: 0, positive unconditional: 1460, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 849, positive: 839, positive conditional: 0, positive unconditional: 839, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1474, positive: 621, positive conditional: 0, positive unconditional: 621, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 849, unknown conditional: 0, unknown unconditional: 849] , Statistics on independence cache: Total cache size (in pairs): 262, Positive cache size: 260, Positive conditional cache size: 0, Positive unconditional cache size: 260, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Independence queries for same thread: 1, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 474, positive: 469, positive conditional: 11, positive unconditional: 458, negative: 5, negative conditional: 1, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1482, positive: 1460, positive conditional: 77, positive unconditional: 1383, negative: 22, negative conditional: 10, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1474, positive: 1460, positive conditional: 0, positive unconditional: 1460, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 849, positive: 839, positive conditional: 0, positive unconditional: 839, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1474, positive: 621, positive conditional: 0, positive unconditional: 621, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 849, unknown conditional: 0, unknown unconditional: 849] , Statistics on independence cache: Total cache size (in pairs): 556, Positive cache size: 550, Positive conditional cache size: 0, Positive unconditional cache size: 550, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Independence queries for same thread: 2, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 733, positive: 719, positive conditional: 60, positive unconditional: 659, negative: 14, negative conditional: 8, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1482, positive: 1460, positive conditional: 77, positive unconditional: 1383, negative: 22, negative conditional: 10, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1474, positive: 1460, positive conditional: 0, positive unconditional: 1460, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 849, positive: 839, positive conditional: 0, positive unconditional: 839, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1474, positive: 621, positive conditional: 0, positive unconditional: 621, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 849, unknown conditional: 0, unknown unconditional: 849] , Statistics on independence cache: Total cache size (in pairs): 849, Positive cache size: 839, Positive conditional cache size: 0, Positive unconditional cache size: 839, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Independence queries for same thread: 8, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 33, Number of trivial persistent sets: 30, Underlying independence relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 275, positive: 272, positive conditional: 6, positive unconditional: 266, negative: 3, negative conditional: 1, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1482, positive: 1460, positive conditional: 77, positive unconditional: 1383, negative: 22, negative conditional: 10, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1474, positive: 1460, positive conditional: 0, positive unconditional: 1460, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 849, positive: 839, positive conditional: 0, positive unconditional: 839, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1474, positive: 621, positive conditional: 0, positive unconditional: 621, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 849, unknown conditional: 0, unknown unconditional: 849] , Statistics on independence cache: Total cache size (in pairs): 262, Positive cache size: 260, Positive conditional cache size: 0, Positive unconditional cache size: 260, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Independence queries for same thread: 1, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 37, Number of trivial persistent sets: 32, Underlying independence relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 474, positive: 469, positive conditional: 11, positive unconditional: 458, negative: 5, negative conditional: 1, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1482, positive: 1460, positive conditional: 77, positive unconditional: 1383, negative: 22, negative conditional: 10, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1474, positive: 1460, positive conditional: 0, positive unconditional: 1460, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 849, positive: 839, positive conditional: 0, positive unconditional: 839, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1474, positive: 621, positive conditional: 0, positive unconditional: 621, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 849, unknown conditional: 0, unknown unconditional: 849] , Statistics on independence cache: Total cache size (in pairs): 556, Positive cache size: 550, Positive conditional cache size: 0, Positive unconditional cache size: 550, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Independence queries for same thread: 2, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 59, Number of trivial persistent sets: 53, Underlying independence relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 733, positive: 719, positive conditional: 60, positive unconditional: 659, negative: 14, negative conditional: 8, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1482, positive: 1460, positive conditional: 77, positive unconditional: 1383, negative: 22, negative conditional: 10, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1474, positive: 1460, positive conditional: 0, positive unconditional: 1460, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 849, positive: 839, positive conditional: 0, positive unconditional: 839, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1474, positive: 621, positive conditional: 0, positive unconditional: 621, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 849, unknown conditional: 0, unknown unconditional: 849] , Statistics on independence cache: Total cache size (in pairs): 849, Positive cache size: 839, Positive conditional cache size: 0, Positive unconditional cache size: 839, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Independence queries for same thread: 8, Statistics for Abstraction: - DataRaceFoundResult [Line: 691]: Data race detected Data race detected The following path leads to a data race: [L686] 0 int glob; VAL [glob=0] [L687] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [glob=0, mutex1={1:0}] [L688] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [glob=0, mutex1={1:0}, mutex2={2:0}] [L702] 0 pthread_t id; VAL [glob=0, id={3:0}, mutex1={1:0}, mutex2={2:0}] [L703] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob=0, id={3:0}, mutex1={1:0}, mutex2={2:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L691] EXPR 1 glob+1 VAL [arg={0:0}, arg={0:0}, glob=0, mutex1={1:0}, mutex2={2:0}] [L691] 1 glob=glob+1 VAL [arg={0:0}, arg={0:0}, glob=1, glob=glob+1=25, mutex1={1:0}, mutex2={2:0}] [L704] CALL 0 foo(bar) [L681] 0 int i = 0; VAL [arg={0:0}, arg={0:0}, callback={-1:1}, callback={-1:1}, glob=1, glob=glob+1=25, i=0, mutex1={1:0}, mutex2={2:0}] [L681] COND TRUE 0 i < 10 VAL [arg={0:0}, arg={0:0}, callback={-1:1}, callback={-1:1}, glob=1, glob=glob+1=25, i=0, mutex1={1:0}, mutex2={2:0}] [L682] COND TRUE 0 __VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=1, arg={0:0}, arg={0:0}, callback={-1:1}, callback={-1:1}, glob=1, glob=glob+1=25, i=0, mutex1={1:0}, mutex2={2:0}] [L683] CALL 0 callback() [L697] 0 glob+1 VAL [arg={0:0}, arg={0:0}, glob=1, glob=glob+1=25, mutex1={1:0}, mutex2={2:0}] [L691] 1 glob=glob+1 VAL [arg={0:0}, arg={0:0}, glob=1, glob=glob+1=25, mutex1={1:0}, mutex2={2:0}] Now there is a data race on ~glob~0 between C: glob+1 [697] and C: glob=glob+1 [691] - UnprovableResult [Line: 691]: 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, 122 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, 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: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 128 NumberOfCodeBlocks, 128 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 72 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-10 12:23:20,758 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 [2022-11-10 12:23:20,962 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...