/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/05-lval_ls_08-glob_fld_2_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-44940e9-m [2022-11-10 12:23:48,420 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-10 12:23:48,421 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-10 12:23:48,442 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-11-10 12:23:48,458 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-10 12:23:48,460 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-10 12:23:48,461 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-10 12:23:48,463 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-10 12:23:48,463 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-10 12:23:48,463 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-10 12:23:48,465 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-10 12:23:48,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-10 12:23:48,473 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-10 12:23:48,474 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-10 12:23:48,475 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-10 12:23:48,475 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-10 12:23:48,477 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-10 12:23:48,477 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-10 12:23:48,477 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-10 12:23:48,478 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-10 12:23:48,479 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-10 12:23:48,479 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-11-10 12:23:48,483 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-10 12:23:48,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-10 12:23:48,484 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-10 12:23:48,484 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder-VarAbsGlobalSyntactic.epf [2022-11-10 12:23:48,511 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-10 12:23:48,512 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-10 12:23:48,512 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-10 12:23:48,512 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-10 12:23:48,513 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-10 12:23:48,513 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-10 12:23:48,513 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-10 12:23:48,513 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-10 12:23:48,513 INFO L138 SettingsManager]: * Use SBE=true [2022-11-10 12:23:48,513 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-10 12:23:48,514 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-10 12:23:48,514 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-10 12:23:48,514 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-10 12:23:48,514 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-10 12:23:48,514 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-10 12:23:48,514 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-10 12:23:48,514 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-10 12:23:48,514 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-10 12:23:48,515 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-10 12:23:48,515 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-10 12:23:48,515 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-10 12:23:48,515 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-10 12:23:48,515 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-10 12:23:48,516 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-10 12:23:48,516 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-10 12:23:48,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-10 12:23:48,516 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-10 12:23:48,516 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-10 12:23:48,516 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-10 12:23:48,516 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-10 12:23:48,516 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-10 12:23:48,517 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-10 12:23:48,517 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-10 12:23:48,517 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-10 12:23:48,517 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-10 12:23:48,517 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-10 12:23:48,517 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-10 12:23:48,517 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-10 12:23:48,517 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-11-10 12:23:48,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-10 12:23:48,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-10 12:23:48,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-10 12:23:48,716 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-10 12:23:48,718 INFO L275 PluginConnector]: CDTParser initialized [2022-11-10 12:23:48,720 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/05-lval_ls_08-glob_fld_2_rc.i [2022-11-10 12:23:48,763 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c2c5804f/9ef96c50ec984caabec3c1a8eebf8b20/FLAG6c42d6ddf [2022-11-10 12:23:49,154 INFO L306 CDTParser]: Found 1 translation units. [2022-11-10 12:23:49,154 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/05-lval_ls_08-glob_fld_2_rc.i [2022-11-10 12:23:49,169 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c2c5804f/9ef96c50ec984caabec3c1a8eebf8b20/FLAG6c42d6ddf [2022-11-10 12:23:49,551 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c2c5804f/9ef96c50ec984caabec3c1a8eebf8b20 [2022-11-10 12:23:49,553 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-10 12:23:49,554 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-10 12:23:49,555 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-10 12:23:49,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-10 12:23:49,561 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-10 12:23:49,561 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:23:49" (1/1) ... [2022-11-10 12:23:49,562 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48f2d6f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:23:49, skipping insertion in model container [2022-11-10 12:23:49,562 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:23:49" (1/1) ... [2022-11-10 12:23:49,573 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-10 12:23:49,608 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-10 12:23:49,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-10 12:23:49,880 INFO L203 MainTranslator]: Completed pre-run [2022-11-10 12:23:49,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-10 12:23:49,936 INFO L208 MainTranslator]: Completed translation [2022-11-10 12:23:49,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:23:49 WrapperNode [2022-11-10 12:23:49,937 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-10 12:23:49,938 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-10 12:23:49,938 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-10 12:23:49,938 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-10 12:23:49,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:23:49" (1/1) ... [2022-11-10 12:23:49,966 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:23:49" (1/1) ... [2022-11-10 12:23:49,984 INFO L138 Inliner]: procedures = 161, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 50 [2022-11-10 12:23:49,984 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-10 12:23:49,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-10 12:23:49,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-10 12:23:49,985 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-10 12:23:49,990 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:23:49" (1/1) ... [2022-11-10 12:23:49,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:23:49" (1/1) ... [2022-11-10 12:23:49,998 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:23:49" (1/1) ... [2022-11-10 12:23:49,998 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:23:49" (1/1) ... [2022-11-10 12:23:50,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:23:49" (1/1) ... [2022-11-10 12:23:50,013 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:23:49" (1/1) ... [2022-11-10 12:23:50,014 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:23:49" (1/1) ... [2022-11-10 12:23:50,014 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:23:49" (1/1) ... [2022-11-10 12:23:50,016 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-10 12:23:50,016 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-10 12:23:50,016 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-10 12:23:50,017 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-10 12:23:50,024 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:23:49" (1/1) ... [2022-11-10 12:23:50,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-10 12:23:50,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 12:23:50,045 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 12:23:50,047 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 12:23:50,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-10 12:23:50,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-10 12:23:50,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-10 12:23:50,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-10 12:23:50,077 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-10 12:23:50,077 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-10 12:23:50,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-10 12:23:50,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-10 12:23:50,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-10 12:23:50,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-10 12:23:50,078 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 12:23:50,201 INFO L235 CfgBuilder]: Building ICFG [2022-11-10 12:23:50,203 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-10 12:23:50,321 INFO L276 CfgBuilder]: Performing block encoding [2022-11-10 12:23:50,326 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-10 12:23:50,326 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-10 12:23:50,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:23:50 BoogieIcfgContainer [2022-11-10 12:23:50,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-10 12:23:50,329 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-10 12:23:50,329 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-10 12:23:50,345 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-10 12:23:50,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 12:23:49" (1/3) ... [2022-11-10 12:23:50,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f1a103d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:23:50, skipping insertion in model container [2022-11-10 12:23:50,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:23:49" (2/3) ... [2022-11-10 12:23:50,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f1a103d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:23:50, skipping insertion in model container [2022-11-10 12:23:50,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:23:50" (3/3) ... [2022-11-10 12:23:50,346 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_08-glob_fld_2_rc.i [2022-11-10 12:23:50,351 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-10 12:23:50,357 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-10 12:23:50,358 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-10 12:23:50,358 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-10 12:23:50,406 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-10 12:23:50,437 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 12:23:50,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 12:23:50,437 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 12:23:50,438 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 12:23:50,450 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 12:23:50,470 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 12:23:50,478 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2022-11-10 12:23:50,482 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;@17d6a3dd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 12:23:50,482 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-10 12:23:50,680 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 12:23:50,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:23:50,684 INFO L85 PathProgramCache]: Analyzing trace with hash 1717480794, now seen corresponding path program 1 times [2022-11-10 12:23:50,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:23:50,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396775303] [2022-11-10 12:23:50,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:23:50,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:23:50,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:23:51,269 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 12:23:51,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:23:51,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396775303] [2022-11-10 12:23:51,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396775303] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 12:23:51,271 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 12:23:51,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-10 12:23:51,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857602577] [2022-11-10 12:23:51,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 12:23:51,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-10 12:23:51,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:23:51,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-10 12:23:51,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-10 12:23:51,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:23:51,296 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:23:51,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 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 12:23:51,297 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:23:51,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-10 12:23:51,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-10 12:23:51,418 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 12:23:51,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:23:51,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1794345567, now seen corresponding path program 1 times [2022-11-10 12:23:51,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:23:51,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574892007] [2022-11-10 12:23:51,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:23:51,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:23:51,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:23:51,662 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 12:23:51,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:23:51,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574892007] [2022-11-10 12:23:51,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1574892007] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 12:23:51,663 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 12:23:51,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-10 12:23:51,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716418610] [2022-11-10 12:23:51,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 12:23:51,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-10 12:23:51,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:23:51,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-10 12:23:51,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-10 12:23:51,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:23:51,666 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:23:51,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.6) internal successors, (33), 6 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 12:23:51,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-10 12:23:51,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:23:51,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-10 12:23:51,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-10 12:23:51,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-10 12:23:51,794 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 12:23:51,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:23:51,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1756023796, now seen corresponding path program 1 times [2022-11-10 12:23:51,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:23:51,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990761563] [2022-11-10 12:23:51,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:23:51,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:23:51,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:23:52,017 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 12:23:52,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:23:52,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990761563] [2022-11-10 12:23:52,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990761563] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 12:23:52,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 12:23:52,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-10 12:23:52,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813789485] [2022-11-10 12:23:52,019 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 12:23:52,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-10 12:23:52,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:23:52,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-10 12:23:52,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-10 12:23:52,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:23:52,022 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:23:52,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 6 states have internal predecessors, (50), 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 12:23:52,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-10 12:23:52,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-10 12:23:52,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:23:52,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-10 12:23:52,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-10 12:23:52,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-10 12:23:52,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-10 12:23:52,133 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 12:23:52,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:23:52,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1217700574, now seen corresponding path program 1 times [2022-11-10 12:23:52,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:23:52,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1137930724] [2022-11-10 12:23:52,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:23:52,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:23:52,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:23:52,351 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 12:23:52,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:23:52,352 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1137930724] [2022-11-10 12:23:52,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1137930724] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 12:23:52,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 12:23:52,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-10 12:23:52,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113492459] [2022-11-10 12:23:52,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 12:23:52,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-10 12:23:52,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:23:52,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-10 12:23:52,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-10 12:23:52,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:23:52,357 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:23:52,357 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 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 12:23:52,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-10 12:23:52,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-10 12:23:52,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-10 12:23:52,357 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:23:52,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-10 12:23:52,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-10 12:23:52,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-10 12:23:52,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-10 12:23:52,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-10 12:23:52,462 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 12:23:52,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:23:52,462 INFO L85 PathProgramCache]: Analyzing trace with hash 1471417026, now seen corresponding path program 1 times [2022-11-10 12:23:52,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:23:52,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26110959] [2022-11-10 12:23:52,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:23:52,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:23:52,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-10 12:23:52,480 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-10 12:23:52,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-10 12:23:52,524 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-10 12:23:52,525 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-10 12:23:52,525 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 2 remaining) [2022-11-10 12:23:52,527 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 2 remaining) [2022-11-10 12:23:52,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-10 12:23:52,531 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-10 12:23:52,532 INFO L307 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was UNSAFE,UNKNOWN (1/3) [2022-11-10 12:23:52,535 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-10 12:23:52,535 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-10 12:23:52,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 12:23:52 BasicIcfg [2022-11-10 12:23:52,562 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-10 12:23:52,562 INFO L158 Benchmark]: Toolchain (without parser) took 3008.37ms. Allocated memory was 228.6MB in the beginning and 274.7MB in the end (delta: 46.1MB). Free memory was 198.6MB in the beginning and 233.6MB in the end (delta: -35.1MB). Peak memory consumption was 157.9MB. Max. memory is 8.0GB. [2022-11-10 12:23:52,562 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 228.6MB. Free memory is still 188.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-11-10 12:23:52,563 INFO L158 Benchmark]: CACSL2BoogieTranslator took 383.01ms. Allocated memory is still 228.6MB. Free memory was 198.4MB in the beginning and 191.2MB in the end (delta: 7.2MB). Peak memory consumption was 9.6MB. Max. memory is 8.0GB. [2022-11-10 12:23:52,563 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.33ms. Allocated memory is still 228.6MB. Free memory was 191.2MB in the beginning and 189.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-10 12:23:52,563 INFO L158 Benchmark]: Boogie Preprocessor took 31.06ms. Allocated memory is still 228.6MB. Free memory was 189.2MB in the beginning and 187.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-10 12:23:52,563 INFO L158 Benchmark]: RCFGBuilder took 311.04ms. Allocated memory is still 228.6MB. Free memory was 187.4MB in the beginning and 173.2MB in the end (delta: 14.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-11-10 12:23:52,563 INFO L158 Benchmark]: TraceAbstraction took 2233.04ms. Allocated memory was 228.6MB in the beginning and 274.7MB in the end (delta: 46.1MB). Free memory was 172.7MB in the beginning and 233.6MB in the end (delta: -60.9MB). Peak memory consumption was 132.6MB. Max. memory is 8.0GB. [2022-11-10 12:23:52,564 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 228.6MB. Free memory is still 188.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 383.01ms. Allocated memory is still 228.6MB. Free memory was 198.4MB in the beginning and 191.2MB in the end (delta: 7.2MB). Peak memory consumption was 9.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.33ms. Allocated memory is still 228.6MB. Free memory was 191.2MB in the beginning and 189.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 31.06ms. Allocated memory is still 228.6MB. Free memory was 189.2MB in the beginning and 187.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 311.04ms. Allocated memory is still 228.6MB. Free memory was 187.4MB in the beginning and 173.2MB in the end (delta: 14.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 2233.04ms. Allocated memory was 228.6MB in the beginning and 274.7MB in the end (delta: 46.1MB). Free memory was 172.7MB in the beginning and 233.6MB in the end (delta: -60.9MB). Peak memory consumption was 132.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 350, positive: 339, positive conditional: 8, positive unconditional: 331, negative: 11, negative conditional: 1, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4586, positive: 4368, positive conditional: 318, positive unconditional: 4050, negative: 218, negative conditional: 53, negative unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4576, positive: 4368, positive conditional: 0, positive unconditional: 4368, negative: 208, negative conditional: 0, negative unconditional: 208, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1740, positive: 1661, positive conditional: 0, positive unconditional: 1661, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4576, positive: 2707, positive conditional: 0, positive unconditional: 2707, negative: 129, negative conditional: 0, negative unconditional: 129, unknown: 1740, unknown conditional: 0, unknown unconditional: 1740] , Statistics on independence cache: Total cache size (in pairs): 324, Positive cache size: 314, Positive conditional cache size: 0, Positive unconditional cache size: 314, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Independence queries for same thread: 1, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 591, positive: 570, positive conditional: 16, positive unconditional: 554, negative: 21, negative conditional: 1, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4586, positive: 4368, positive conditional: 318, positive unconditional: 4050, negative: 218, negative conditional: 53, negative unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4576, positive: 4368, positive conditional: 0, positive unconditional: 4368, negative: 208, negative conditional: 0, negative unconditional: 208, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1740, positive: 1661, positive conditional: 0, positive unconditional: 1661, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4576, positive: 2707, positive conditional: 0, positive unconditional: 2707, negative: 129, negative conditional: 0, negative unconditional: 129, unknown: 1740, unknown conditional: 0, unknown unconditional: 1740] , Statistics on independence cache: Total cache size (in pairs): 788, Positive cache size: 758, Positive conditional cache size: 0, Positive unconditional cache size: 758, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30, Independence queries for same thread: 2, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 968, positive: 917, positive conditional: 61, positive unconditional: 856, negative: 51, negative conditional: 14, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4586, positive: 4368, positive conditional: 318, positive unconditional: 4050, negative: 218, negative conditional: 53, negative unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4576, positive: 4368, positive conditional: 0, positive unconditional: 4368, negative: 208, negative conditional: 0, negative unconditional: 208, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1740, positive: 1661, positive conditional: 0, positive unconditional: 1661, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4576, positive: 2707, positive conditional: 0, positive unconditional: 2707, negative: 129, negative conditional: 0, negative unconditional: 129, unknown: 1740, unknown conditional: 0, unknown unconditional: 1740] , Statistics on independence cache: Total cache size (in pairs): 1214, Positive cache size: 1157, Positive conditional cache size: 0, Positive unconditional cache size: 1157, Negative cache size: 57, Negative conditional cache size: 0, Negative unconditional cache size: 57, Independence queries for same thread: 4, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1154, positive: 1085, positive conditional: 90, positive unconditional: 995, negative: 69, negative conditional: 20, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4586, positive: 4368, positive conditional: 318, positive unconditional: 4050, negative: 218, negative conditional: 53, negative unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4576, positive: 4368, positive conditional: 0, positive unconditional: 4368, negative: 208, negative conditional: 0, negative unconditional: 208, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1740, positive: 1661, positive conditional: 0, positive unconditional: 1661, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4576, positive: 2707, positive conditional: 0, positive unconditional: 2707, negative: 129, negative conditional: 0, negative unconditional: 129, unknown: 1740, unknown conditional: 0, unknown unconditional: 1740] , Statistics on independence cache: Total cache size (in pairs): 1346, Positive cache size: 1277, Positive conditional cache size: 0, Positive unconditional cache size: 1277, Negative cache size: 69, Negative conditional cache size: 0, Negative unconditional cache size: 69, Independence queries for same thread: 7, Statistics for Abstraction: - StatisticsResult: Independence relation #5 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 1523, positive: 1457, positive conditional: 143, positive unconditional: 1314, negative: 66, negative conditional: 17, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4586, positive: 4368, positive conditional: 318, positive unconditional: 4050, negative: 218, negative conditional: 53, negative unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4576, positive: 4368, positive conditional: 0, positive unconditional: 4368, negative: 208, negative conditional: 0, negative unconditional: 208, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1740, positive: 1661, positive conditional: 0, positive unconditional: 1661, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4576, positive: 2707, positive conditional: 0, positive unconditional: 2707, negative: 129, negative conditional: 0, negative unconditional: 129, unknown: 1740, unknown conditional: 0, unknown unconditional: 1740] , Statistics on independence cache: Total cache size (in pairs): 1740, Positive cache size: 1661, Positive conditional cache size: 0, Positive unconditional cache size: 1661, Negative cache size: 79, Negative conditional cache size: 0, Negative unconditional cache size: 79, Independence queries for same thread: 10, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 25, Number of trivial persistent sets: 23, Underlying independence relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 350, positive: 339, positive conditional: 8, positive unconditional: 331, negative: 11, negative conditional: 1, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4586, positive: 4368, positive conditional: 318, positive unconditional: 4050, negative: 218, negative conditional: 53, negative unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4576, positive: 4368, positive conditional: 0, positive unconditional: 4368, negative: 208, negative conditional: 0, negative unconditional: 208, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1740, positive: 1661, positive conditional: 0, positive unconditional: 1661, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4576, positive: 2707, positive conditional: 0, positive unconditional: 2707, negative: 129, negative conditional: 0, negative unconditional: 129, unknown: 1740, unknown conditional: 0, unknown unconditional: 1740] , Statistics on independence cache: Total cache size (in pairs): 324, Positive cache size: 314, Positive conditional cache size: 0, Positive unconditional cache size: 314, Negative cache size: 10, Negative conditional cache size: 0, Negative unconditional cache size: 10, Independence queries for same thread: 1, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 33, Number of trivial persistent sets: 28, Underlying independence relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 591, positive: 570, positive conditional: 16, positive unconditional: 554, negative: 21, negative conditional: 1, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4586, positive: 4368, positive conditional: 318, positive unconditional: 4050, negative: 218, negative conditional: 53, negative unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4576, positive: 4368, positive conditional: 0, positive unconditional: 4368, negative: 208, negative conditional: 0, negative unconditional: 208, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1740, positive: 1661, positive conditional: 0, positive unconditional: 1661, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4576, positive: 2707, positive conditional: 0, positive unconditional: 2707, negative: 129, negative conditional: 0, negative unconditional: 129, unknown: 1740, unknown conditional: 0, unknown unconditional: 1740] , Statistics on independence cache: Total cache size (in pairs): 788, Positive cache size: 758, Positive conditional cache size: 0, Positive unconditional cache size: 758, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30, Independence queries for same thread: 2, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 50, Number of trivial persistent sets: 45, Underlying independence relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 968, positive: 917, positive conditional: 61, positive unconditional: 856, negative: 51, negative conditional: 14, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4586, positive: 4368, positive conditional: 318, positive unconditional: 4050, negative: 218, negative conditional: 53, negative unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4576, positive: 4368, positive conditional: 0, positive unconditional: 4368, negative: 208, negative conditional: 0, negative unconditional: 208, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1740, positive: 1661, positive conditional: 0, positive unconditional: 1661, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4576, positive: 2707, positive conditional: 0, positive unconditional: 2707, negative: 129, negative conditional: 0, negative unconditional: 129, unknown: 1740, unknown conditional: 0, unknown unconditional: 1740] , Statistics on independence cache: Total cache size (in pairs): 1214, Positive cache size: 1157, Positive conditional cache size: 0, Positive unconditional cache size: 1157, Negative cache size: 57, Negative conditional cache size: 0, Negative unconditional cache size: 57, Independence queries for same thread: 4, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 58, Number of trivial persistent sets: 53, Underlying independence relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 1154, positive: 1085, positive conditional: 90, positive unconditional: 995, negative: 69, negative conditional: 20, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4586, positive: 4368, positive conditional: 318, positive unconditional: 4050, negative: 218, negative conditional: 53, negative unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4576, positive: 4368, positive conditional: 0, positive unconditional: 4368, negative: 208, negative conditional: 0, negative unconditional: 208, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1740, positive: 1661, positive conditional: 0, positive unconditional: 1661, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4576, positive: 2707, positive conditional: 0, positive unconditional: 2707, negative: 129, negative conditional: 0, negative unconditional: 129, unknown: 1740, unknown conditional: 0, unknown unconditional: 1740] , Statistics on independence cache: Total cache size (in pairs): 1346, Positive cache size: 1277, Positive conditional cache size: 0, Positive unconditional cache size: 1277, Negative cache size: 69, Negative conditional cache size: 0, Negative unconditional cache size: 69, Independence queries for same thread: 7, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 69, Number of trivial persistent sets: 64, Underlying independence relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 1523, positive: 1457, positive conditional: 143, positive unconditional: 1314, negative: 66, negative conditional: 17, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4586, positive: 4368, positive conditional: 318, positive unconditional: 4050, negative: 218, negative conditional: 53, negative unconditional: 165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4576, positive: 4368, positive conditional: 0, positive unconditional: 4368, negative: 208, negative conditional: 0, negative unconditional: 208, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1740, positive: 1661, positive conditional: 0, positive unconditional: 1661, negative: 79, negative conditional: 0, negative unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4576, positive: 2707, positive conditional: 0, positive unconditional: 2707, negative: 129, negative conditional: 0, negative unconditional: 129, unknown: 1740, unknown conditional: 0, unknown unconditional: 1740] , Statistics on independence cache: Total cache size (in pairs): 1740, Positive cache size: 1661, Positive conditional cache size: 0, Positive unconditional cache size: 1661, Negative cache size: 79, Negative conditional cache size: 0, Negative unconditional cache size: 79, Independence queries for same thread: 10, Statistics for Abstraction: - DataRaceFoundResult [Line: 684]: Data race detected Data race detected The following path leads to a data race: [L679-L682] 0 struct { int x; int y; } data; VAL [data={1:0}] [L688] 0 pthread_t id, id2; VAL [data={1:0}, id={10:0}, id={9:0}] [L689] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data={1:0}, id={10:0}, id={9:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L684] EXPR 1 data.x VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0] [L684] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x++=0data.x++=11] [L690] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x++=0, data.x++=11, id={10:0}, id={9:0}, pthread_create(&id2, ((void *)0), t_fun, ((void *)0))=0] [L691] EXPR 0 data.y VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x++=0, data.x++=11, data.y=0, id={10:0}, id={9:0}] [L691] 0 data.y++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x++=0, data.x++=11, data.y=0, data.y++=0, data.y++=12, id={10:0}, id={9:0}] [L692] 0 return 0; VAL [\result=0, arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x++=0, data.x++=11, id={9:0}, id={10:0}] [L692] 0 return 0; VAL [\result=0, arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x++=0, data.x++=11, id={9:0}] [L692] 0 return 0; VAL [\result=0, arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x++=0data.x++=11] [L684] EXPR 2 data.x VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=1, data.x++=0data.x++=11] [L684] 2 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=1, data.x++=0data.x++=11] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: data.x++ [684] * C: data.y++ [691] * C: data.y++ [691] * C: data.y++ [691] * C: data.y++ [691] * C: data.x++ [684] * C: data.y++ [691] * C: data.y++ [691] * C: data.x++ [684] * C: data.y++ [691] * C: data.x++ [684] * C: data.y++ [691] and C: data.x++ [684] - UnprovableResult [Line: 684]: 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 4 procedures, 125 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.7s, 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: 24, 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, 1.0s InterpolantComputationTime, 235 NumberOfCodeBlocks, 235 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 162 ConstructedInterpolants, 0 QuantifiedInterpolants, 502 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 12:23:52,610 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 [2022-11-10 12:23:52,821 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...