/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -s ../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSmt.epf -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/05-lval_ls_11-fldsense_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dpor-95ec559 [2023-01-11 18:58:12,068 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-01-11 18:58:12,070 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-01-11 18:58:12,100 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-01-11 18:58:12,115 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-01-11 18:58:12,116 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-01-11 18:58:12,117 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-01-11 18:58:12,118 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-01-11 18:58:12,118 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-01-11 18:58:12,119 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-01-11 18:58:12,120 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-01-11 18:58:12,124 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-01-11 18:58:12,125 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-01-11 18:58:12,125 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-01-11 18:58:12,126 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-01-11 18:58:12,127 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-01-11 18:58:12,133 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2023-01-11 18:58:12,139 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-01-11 18:58:12,140 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-01-11 18:58:12,140 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-01-11 18:58:12,141 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/SleepMap-ConcreteSmt-VarAbsGlobalSmt.epf [2023-01-11 18:58:12,164 INFO L113 SettingsManager]: Loading preferences was successful [2023-01-11 18:58:12,165 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-01-11 18:58:12,165 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-01-11 18:58:12,165 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-01-11 18:58:12,166 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-01-11 18:58:12,166 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-01-11 18:58:12,167 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-01-11 18:58:12,167 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-01-11 18:58:12,167 INFO L138 SettingsManager]: * Use SBE=true [2023-01-11 18:58:12,167 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-01-11 18:58:12,168 INFO L138 SettingsManager]: * sizeof long=4 [2023-01-11 18:58:12,168 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-01-11 18:58:12,168 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-01-11 18:58:12,168 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-01-11 18:58:12,168 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-01-11 18:58:12,168 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-01-11 18:58:12,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-01-11 18:58:12,168 INFO L138 SettingsManager]: * sizeof long double=12 [2023-01-11 18:58:12,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-01-11 18:58:12,168 INFO L138 SettingsManager]: * Use constant arrays=true [2023-01-11 18:58:12,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-01-11 18:58:12,169 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-01-11 18:58:12,169 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-01-11 18:58:12,169 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-01-11 18:58:12,169 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-01-11 18:58:12,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-11 18:58:12,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-01-11 18:58:12,169 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-01-11 18:58:12,170 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-01-11 18:58:12,170 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-01-11 18:58:12,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-01-11 18:58:12,170 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-01-11 18:58:12,170 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2023-01-11 18:58:12,170 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-01-11 18:58:12,170 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-01-11 18:58:12,170 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_ERROR_LOCATION [2023-01-11 18:58:12,170 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2023-01-11 18:58:12,170 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-01-11 18:58:12,170 INFO L138 SettingsManager]: * Number of independence relations to use for POR=2 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2023-01-11 18:58:12,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-01-11 18:58:12,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-01-11 18:58:12,375 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-01-11 18:58:12,376 INFO L271 PluginConnector]: Initializing CDTParser... [2023-01-11 18:58:12,376 INFO L275 PluginConnector]: CDTParser initialized [2023-01-11 18:58:12,377 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_11-fldsense_rc.i [2023-01-11 18:58:13,343 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-01-11 18:58:13,542 INFO L351 CDTParser]: Found 1 translation units. [2023-01-11 18:58:13,542 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/05-lval_ls_11-fldsense_rc.i [2023-01-11 18:58:13,553 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbedbf6a9/c74c4a2bb9064393b4170054d0f82d6c/FLAG61d662ccd [2023-01-11 18:58:13,564 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbedbf6a9/c74c4a2bb9064393b4170054d0f82d6c [2023-01-11 18:58:13,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-01-11 18:58:13,566 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-01-11 18:58:13,567 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-01-11 18:58:13,568 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-01-11 18:58:13,570 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-01-11 18:58:13,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 06:58:13" (1/1) ... [2023-01-11 18:58:13,571 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b0cd6a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 06:58:13, skipping insertion in model container [2023-01-11 18:58:13,571 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.01 06:58:13" (1/1) ... [2023-01-11 18:58:13,576 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-01-11 18:58:13,615 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-01-11 18:58:13,847 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-11 18:58:13,857 INFO L203 MainTranslator]: Completed pre-run [2023-01-11 18:58:13,888 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-11 18:58:13,915 INFO L208 MainTranslator]: Completed translation [2023-01-11 18:58:13,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 06:58:13 WrapperNode [2023-01-11 18:58:13,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-01-11 18:58:13,916 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-01-11 18:58:13,916 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-01-11 18:58:13,916 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-01-11 18:58:13,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 06:58:13" (1/1) ... [2023-01-11 18:58:13,934 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 06:58:13" (1/1) ... [2023-01-11 18:58:13,950 INFO L138 Inliner]: procedures = 162, calls = 27, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56 [2023-01-11 18:58:13,951 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-01-11 18:58:13,951 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-01-11 18:58:13,951 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-01-11 18:58:13,951 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-01-11 18:58:13,958 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 06:58:13" (1/1) ... [2023-01-11 18:58:13,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 06:58:13" (1/1) ... [2023-01-11 18:58:13,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 06:58:13" (1/1) ... [2023-01-11 18:58:13,961 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 06:58:13" (1/1) ... [2023-01-11 18:58:13,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 06:58:13" (1/1) ... [2023-01-11 18:58:13,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 06:58:13" (1/1) ... [2023-01-11 18:58:13,969 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 06:58:13" (1/1) ... [2023-01-11 18:58:13,969 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 06:58:13" (1/1) ... [2023-01-11 18:58:13,971 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-01-11 18:58:13,971 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-01-11 18:58:13,973 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-01-11 18:58:13,973 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-01-11 18:58:13,974 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 06:58:13" (1/1) ... [2023-01-11 18:58:13,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-11 18:58:13,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-11 18:58:14,000 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) [2023-01-11 18:58:14,002 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 [2023-01-11 18:58:14,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-01-11 18:58:14,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-01-11 18:58:14,024 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-01-11 18:58:14,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-01-11 18:58:14,025 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-01-11 18:58:14,025 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-01-11 18:58:14,025 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-01-11 18:58:14,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-01-11 18:58:14,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-01-11 18:58:14,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-01-11 18:58:14,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-01-11 18:58:14,026 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-01-11 18:58:14,110 INFO L236 CfgBuilder]: Building ICFG [2023-01-11 18:58:14,112 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-01-11 18:58:14,321 INFO L277 CfgBuilder]: Performing block encoding [2023-01-11 18:58:14,326 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-01-11 18:58:14,326 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-01-11 18:58:14,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 06:58:14 BoogieIcfgContainer [2023-01-11 18:58:14,328 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-01-11 18:58:14,333 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-01-11 18:58:14,333 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-01-11 18:58:14,336 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-01-11 18:58:14,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.01 06:58:13" (1/3) ... [2023-01-11 18:58:14,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58e3dfd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 06:58:14, skipping insertion in model container [2023-01-11 18:58:14,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.01 06:58:13" (2/3) ... [2023-01-11 18:58:14,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58e3dfd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.01 06:58:14, skipping insertion in model container [2023-01-11 18:58:14,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.01 06:58:14" (3/3) ... [2023-01-11 18:58:14,337 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_11-fldsense_rc.i [2023-01-11 18:58:14,343 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-01-11 18:58:14,349 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-01-11 18:58:14,349 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2023-01-11 18:58:14,349 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-01-11 18:58:14,387 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-01-11 18:58:14,422 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 18:58:14,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-01-11 18:58:14,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-11 18:58:14,423 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) [2023-01-11 18:58:14,425 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 [2023-01-11 18:58:14,460 INFO L100 denceProviderFactory]: Independence Relation #2: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 18:58:14,467 INFO L164 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 2 independence relations. [2023-01-11 18:58:14,467 WARN L167 artialOrderCegarLoop]: Attention: Unsuitable combinations of independence relations may be unsound! [2023-01-11 18:58:14,468 WARN L168 artialOrderCegarLoop]: Only combine independence relations if you are sure the combination is sound. [2023-01-11 18:58:14,477 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE ======== [2023-01-11 18:58:14,482 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;@6ebfe9b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-01-11 18:58:14,482 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-01-11 18:58:14,598 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE] === [2023-01-11 18:58:14,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-11 18:58:14,601 INFO L85 PathProgramCache]: Analyzing trace with hash -623339077, now seen corresponding path program 1 times [2023-01-11 18:58:14,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-11 18:58:14,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602221041] [2023-01-11 18:58:14,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-11 18:58:14,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-11 18:58:14,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-11 18:58:15,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-11 18:58:15,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-11 18:58:15,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602221041] [2023-01-11 18:58:15,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602221041] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-11 18:58:15,244 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-11 18:58:15,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-01-11 18:58:15,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75845981] [2023-01-11 18:58:15,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-11 18:58:15,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-01-11 18:58:15,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-11 18:58:15,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-01-11 18:58:15,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-01-11 18:58:15,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-11 18:58:15,270 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-01-11 18:58:15,271 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 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) [2023-01-11 18:58:15,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-01-11 18:58:15,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-01-11 18:58:15,444 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-01-11 18:58:15,444 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE] === [2023-01-11 18:58:15,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-01-11 18:58:15,445 INFO L85 PathProgramCache]: Analyzing trace with hash -1776918004, now seen corresponding path program 1 times [2023-01-11 18:58:15,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-11 18:58:15,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740064005] [2023-01-11 18:58:15,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-11 18:58:15,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-11 18:58:15,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-11 18:58:15,492 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-01-11 18:58:15,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-01-11 18:58:15,521 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-01-11 18:58:15,521 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-01-11 18:58:15,523 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2023-01-11 18:58:15,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-01-11 18:58:15,537 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-01-11 18:58:15,538 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE was UNSAFE (1/7) [2023-01-11 18:58:15,541 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-01-11 18:58:15,541 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-01-11 18:58:15,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.01 06:58:15 BasicIcfg [2023-01-11 18:58:15,578 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-01-11 18:58:15,581 INFO L158 Benchmark]: Toolchain (without parser) took 2011.84ms. Allocated memory was 199.2MB in the beginning and 260.0MB in the end (delta: 60.8MB). Free memory was 153.7MB in the beginning and 109.1MB in the end (delta: 44.6MB). Peak memory consumption was 106.7MB. Max. memory is 8.0GB. [2023-01-11 18:58:15,581 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 199.2MB. Free memory is still 145.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-01-11 18:58:15,581 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.43ms. Allocated memory is still 199.2MB. Free memory was 153.4MB in the beginning and 134.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-01-11 18:58:15,581 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.66ms. Allocated memory is still 199.2MB. Free memory was 134.5MB in the beginning and 132.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-01-11 18:58:15,581 INFO L158 Benchmark]: Boogie Preprocessor took 19.69ms. Allocated memory is still 199.2MB. Free memory was 132.4MB in the beginning and 130.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-01-11 18:58:15,582 INFO L158 Benchmark]: RCFGBuilder took 356.13ms. Allocated memory is still 199.2MB. Free memory was 130.7MB in the beginning and 116.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2023-01-11 18:58:15,582 INFO L158 Benchmark]: TraceAbstraction took 1244.59ms. Allocated memory was 199.2MB in the beginning and 260.0MB in the end (delta: 60.8MB). Free memory was 115.7MB in the beginning and 109.1MB in the end (delta: 6.5MB). Peak memory consumption was 68.9MB. Max. memory is 8.0GB. [2023-01-11 18:58:15,583 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 199.2MB. Free memory is still 145.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 348.43ms. Allocated memory is still 199.2MB. Free memory was 153.4MB in the beginning and 134.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.66ms. Allocated memory is still 199.2MB. Free memory was 134.5MB in the beginning and 132.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.69ms. Allocated memory is still 199.2MB. Free memory was 132.4MB in the beginning and 130.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 356.13ms. Allocated memory is still 199.2MB. Free memory was 130.7MB in the beginning and 116.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 1244.59ms. Allocated memory was 199.2MB in the beginning and 260.0MB in the end (delta: 60.8MB). Free memory was 115.7MB in the beginning and 109.1MB in the end (delta: 6.5MB). Peak memory consumption was 68.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 22, independent: 22, independent conditional: 22, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 114, independent: 96, independent conditional: 96, independent unconditional: 0, dependent: 18, dependent conditional: 18, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 111, independent: 96, independent conditional: 96, independent unconditional: 0, dependent: 15, dependent conditional: 15, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 111, independent: 96, independent conditional: 96, independent unconditional: 0, dependent: 15, dependent conditional: 15, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 126, independent: 96, independent conditional: 0, independent unconditional: 96, dependent: 30, dependent conditional: 15, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 126, independent: 96, independent conditional: 0, independent unconditional: 96, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 126, independent: 96, independent conditional: 0, independent unconditional: 96, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 62, independent: 52, independent conditional: 0, independent unconditional: 52, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 62, independent: 48, independent conditional: 0, independent unconditional: 48, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 14, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 31, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 126, independent: 44, independent conditional: 0, independent unconditional: 44, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 62, unknown conditional: 0, unknown unconditional: 62] , Statistics on independence cache: Total cache size (in pairs): 22, Positive cache size: 22, Positive conditional cache size: 0, Positive unconditional cache size: 22, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 0, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 92, independent: 74, independent conditional: 74, independent unconditional: 0, dependent: 18, dependent conditional: 18, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 114, independent: 96, independent conditional: 96, independent unconditional: 0, dependent: 18, dependent conditional: 18, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 111, independent: 96, independent conditional: 96, independent unconditional: 0, dependent: 15, dependent conditional: 15, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 111, independent: 96, independent conditional: 96, independent unconditional: 0, dependent: 15, dependent conditional: 15, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 126, independent: 96, independent conditional: 0, independent unconditional: 96, dependent: 30, dependent conditional: 15, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 126, independent: 96, independent conditional: 0, independent unconditional: 96, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 126, independent: 96, independent conditional: 0, independent unconditional: 96, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 62, independent: 52, independent conditional: 0, independent unconditional: 52, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 62, independent: 48, independent conditional: 0, independent unconditional: 48, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 14, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 31, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 126, independent: 44, independent conditional: 0, independent unconditional: 44, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 62, unknown conditional: 0, unknown unconditional: 62] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 52, Positive conditional cache size: 0, Positive unconditional cache size: 52, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 15, Maximal queried relation: 1, Independence queries for same thread: 3, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 35, independent: 30, independent conditional: 30, independent unconditional: 0, dependent: 5, dependent conditional: 5, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 33, independent: 30, independent conditional: 30, independent unconditional: 0, dependent: 3, dependent conditional: 3, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 33, independent: 30, independent conditional: 30, independent unconditional: 0, dependent: 3, dependent conditional: 3, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 41, independent: 30, independent conditional: 5, independent unconditional: 25, dependent: 11, dependent conditional: 3, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 41, independent: 30, independent conditional: 5, independent unconditional: 25, dependent: 11, dependent conditional: 1, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 41, independent: 30, independent conditional: 5, independent unconditional: 25, dependent: 11, dependent conditional: 1, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 30, independent: 21, independent conditional: 5, independent unconditional: 16, dependent: 9, dependent conditional: 1, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 30, independent: 16, independent conditional: 0, independent unconditional: 16, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 14, independent: 5, independent conditional: 5, independent unconditional: 0, dependent: 9, dependent conditional: 1, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 14, independent: 5, independent conditional: 5, independent unconditional: 0, dependent: 9, dependent conditional: 1, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 31, independent: 13, independent conditional: 13, independent unconditional: 0, dependent: 18, dependent conditional: 2, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 41, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 30, unknown conditional: 6, unknown unconditional: 24] , Statistics on independence cache: Total cache size (in pairs): 30, Positive cache size: 21, Positive conditional cache size: 5, Positive unconditional cache size: 16, Negative cache size: 9, Negative conditional cache size: 1, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2, Maximal queried relation: 1, Independence queries for same thread: 2 - StatisticsResult: Traversal Statistics Data States: 39, Transitions: 38, Traversal time: 109468835.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: -1 - StatisticsResult: Traversal Statistics Data States: 52, Transitions: 53, Traversal time: 171895053.0ns - StatisticsResult: Traversal Statistics Data Sleep-blocked states: -1 - DataRaceFoundResult [Line: 693]: Data race detected Data race detected The following path leads to a data race: [L679] 0 struct { int x; int y; } data; VAL [data={1:0}] [L680] 0 struct { pthread_mutex_t x; pthread_mutex_t y; } m; VAL [data={1:0}, m={2:0}] [L690] 0 pthread_t id; VAL [data={1:0}, id={5:0}, m={2:0}] [L691] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data={1:0}, id={5:0}, m={2:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L693] EXPR 0 data.x VAL [arg={0:0}, data.x=0, data={1:0}, id={5:0}, m={2:0}] [L693] 0 data.x++ VAL [arg={0:0}, data.x=0, data={1:0}, id={5:0}, m={2:0}] [L683] EXPR 1 data.x VAL [arg={0:0}, arg={0:0}, data.x=0, data={1:0}, m={2:0}] [L683] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data.x++=0, data.x++=49, data.x=0, data={1:0}, m={2:0}] [L693] 0 data.x++ VAL [arg={0:0}, arg={0:0}, data.x++=0, data.x++=49, data.x=0, data.x=0, data={1:0}, id={5:0}, m={2:0}] Now there is a data race (on the heap) between C: data.x++ [683] and C: data.x++ [693] - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE with 1 thread instances CFG has 3 procedures, 111 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 1083674107.0ns, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 288208536.0ns, FeasibilityCheckTime: 728936536.0ns, RefinementTime: 20909217.0ns, AutomataDifference: 0.0ns, DeadEndRemovalTime: 0.0ns, HoareAnnotationTime: 0.0ns, InitialAbstractionConstructionTime: 10857686.0ns, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 28 SdHoareTripleChecker+Valid, 41985834.0ns IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 28 mSDsluCounter, 111 SdHoareTripleChecker+Invalid, 34764908.0ns Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 66 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 45 mSDtfsCounter, 33 mSolverCounterSat, 4584423.0ns SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: No data available, 0.0ns 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, 0.0ns DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 7412037.0ns SsaConstructionTime, 80266313.0ns SatisfiabilityAnalysisTime, 496115050.0ns InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 37 ConstructedInterpolants, 0 QuantifiedInterpolants, 118 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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! [2023-01-11 18:58:15,625 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-01-11 18:58:15,830 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...