/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/02-base_24-malloc_races.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-44940e9-m [2022-11-09 16:43:03,561 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-09 16:43:03,563 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-09 16:43:03,579 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-09 16:43:03,580 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-09 16:43:03,580 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-09 16:43:03,581 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-09 16:43:03,582 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-09 16:43:03,583 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-09 16:43:03,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-09 16:43:03,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-09 16:43:03,585 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-09 16:43:03,586 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-09 16:43:03,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-09 16:43:03,589 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-09 16:43:03,593 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-09 16:43:03,593 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-09 16:43:03,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-09 16:43:03,600 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-09 16:43:03,603 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-09 16:43:03,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-09 16:43:03,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-09 16:43:03,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-09 16:43:03,608 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-09 16:43:03,611 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-09 16:43:03,611 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-09 16:43:03,611 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-09 16:43:03,612 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-09 16:43:03,612 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-09 16:43:03,613 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-09 16:43:03,613 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-09 16:43:03,613 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-09 16:43:03,615 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-09 16:43:03,615 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-09 16:43:03,616 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-09 16:43:03,616 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-09 16:43:03,616 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-09 16:43:03,617 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-09 16:43:03,617 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-09 16:43:03,617 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-09 16:43:03,618 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-09 16:43:03,618 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-09 16:43:03,646 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-09 16:43:03,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-09 16:43:03,646 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-09 16:43:03,646 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-09 16:43:03,647 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-09 16:43:03,647 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-09 16:43:03,648 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-09 16:43:03,648 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-09 16:43:03,648 INFO L138 SettingsManager]: * Use SBE=true [2022-11-09 16:43:03,648 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-09 16:43:03,648 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-09 16:43:03,649 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-09 16:43:03,649 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-09 16:43:03,649 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-09 16:43:03,649 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-09 16:43:03,649 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-09 16:43:03,649 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-09 16:43:03,649 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-09 16:43:03,649 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-09 16:43:03,649 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-09 16:43:03,649 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-09 16:43:03,649 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-09 16:43:03,649 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-09 16:43:03,650 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-09 16:43:03,650 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-09 16:43:03,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-09 16:43:03,651 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-09 16:43:03,651 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-09 16:43:03,651 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-09 16:43:03,651 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-09 16:43:03,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-09 16:43:03,651 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-09 16:43:03,651 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-09 16:43:03,651 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-09 16:43:03,651 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-09 16:43:03,652 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-09 16:43:03,652 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-11-09 16:43:03,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-09 16:43:03,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-09 16:43:03,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-09 16:43:03,865 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-09 16:43:03,865 INFO L275 PluginConnector]: CDTParser initialized [2022-11-09 16:43:03,866 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/02-base_24-malloc_races.i [2022-11-09 16:43:03,909 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2e069d18/0890e37f6e7d48d7832f638ed9ff3323/FLAGe92aa953c [2022-11-09 16:43:04,384 INFO L306 CDTParser]: Found 1 translation units. [2022-11-09 16:43:04,385 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/02-base_24-malloc_races.i [2022-11-09 16:43:04,402 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2e069d18/0890e37f6e7d48d7832f638ed9ff3323/FLAGe92aa953c [2022-11-09 16:43:04,892 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2e069d18/0890e37f6e7d48d7832f638ed9ff3323 [2022-11-09 16:43:04,894 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-09 16:43:04,895 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-09 16:43:04,895 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-09 16:43:04,896 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-09 16:43:04,899 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-09 16:43:04,899 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:43:04" (1/1) ... [2022-11-09 16:43:04,900 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3308a9fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:04, skipping insertion in model container [2022-11-09 16:43:04,900 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:43:04" (1/1) ... [2022-11-09 16:43:04,905 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-09 16:43:04,946 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-09 16:43:05,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-09 16:43:05,333 INFO L203 MainTranslator]: Completed pre-run [2022-11-09 16:43:05,379 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-09 16:43:05,425 INFO L208 MainTranslator]: Completed translation [2022-11-09 16:43:05,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:05 WrapperNode [2022-11-09 16:43:05,425 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-09 16:43:05,426 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-09 16:43:05,426 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-09 16:43:05,426 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-09 16:43:05,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:05" (1/1) ... [2022-11-09 16:43:05,455 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:05" (1/1) ... [2022-11-09 16:43:05,479 INFO L138 Inliner]: procedures = 365, calls = 31, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 74 [2022-11-09 16:43:05,479 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-09 16:43:05,480 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-09 16:43:05,480 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-09 16:43:05,480 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-09 16:43:05,485 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:05" (1/1) ... [2022-11-09 16:43:05,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:05" (1/1) ... [2022-11-09 16:43:05,488 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:05" (1/1) ... [2022-11-09 16:43:05,488 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:05" (1/1) ... [2022-11-09 16:43:05,493 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:05" (1/1) ... [2022-11-09 16:43:05,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:05" (1/1) ... [2022-11-09 16:43:05,495 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:05" (1/1) ... [2022-11-09 16:43:05,496 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:05" (1/1) ... [2022-11-09 16:43:05,507 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-09 16:43:05,508 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-09 16:43:05,508 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-09 16:43:05,508 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-09 16:43:05,509 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:05" (1/1) ... [2022-11-09 16:43:05,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-09 16:43:05,521 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-09 16:43:05,530 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-09 16:43:05,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-09 16:43:05,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-09 16:43:05,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-09 16:43:05,559 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-09 16:43:05,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-09 16:43:05,559 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-09 16:43:05,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-09 16:43:05,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-09 16:43:05,559 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-09 16:43:05,559 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-09 16:43:05,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-09 16:43:05,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-09 16:43:05,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-09 16:43:05,560 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-09 16:43:05,710 INFO L235 CfgBuilder]: Building ICFG [2022-11-09 16:43:05,712 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-09 16:43:05,886 INFO L276 CfgBuilder]: Performing block encoding [2022-11-09 16:43:05,891 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-09 16:43:05,892 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-09 16:43:05,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:43:05 BoogieIcfgContainer [2022-11-09 16:43:05,893 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-09 16:43:05,895 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-09 16:43:05,895 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-09 16:43:05,897 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-09 16:43:05,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:43:04" (1/3) ... [2022-11-09 16:43:05,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f76bb3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:43:05, skipping insertion in model container [2022-11-09 16:43:05,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:43:05" (2/3) ... [2022-11-09 16:43:05,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f76bb3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:43:05, skipping insertion in model container [2022-11-09 16:43:05,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:43:05" (3/3) ... [2022-11-09 16:43:05,899 INFO L112 eAbstractionObserver]: Analyzing ICFG 02-base_24-malloc_races.i [2022-11-09 16:43:05,904 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-09 16:43:05,912 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-09 16:43:05,913 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2022-11-09 16:43:05,913 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-09 16:43:05,981 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-09 16:43:06,015 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 16:43:06,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-09 16:43:06,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-09 16:43:06,020 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-09 16:43:06,023 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-09 16:43:06,062 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-09 16:43:06,072 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2022-11-09 16:43:06,076 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;@2570f5c2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 16:43:06,077 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-09 16:43:06,178 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr3ASSERT_VIOLATIONDATA_RACE] === [2022-11-09 16:43:06,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 16:43:06,181 INFO L85 PathProgramCache]: Analyzing trace with hash 2011316591, now seen corresponding path program 1 times [2022-11-09 16:43:06,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 16:43:06,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747545047] [2022-11-09 16:43:06,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 16:43:06,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 16:43:06,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 16:43:06,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-09 16:43:06,431 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 16:43:06,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747545047] [2022-11-09 16:43:06,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747545047] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 16:43:06,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 16:43:06,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-09 16:43:06,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620645955] [2022-11-09 16:43:06,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 16:43:06,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-09 16:43:06,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 16:43:06,456 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-09 16:43:06,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-09 16:43:06,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:43:06,459 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 16:43:06,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-09 16:43:06,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:43:06,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:43:06,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-09 16:43:06,536 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr3ASSERT_VIOLATIONDATA_RACE] === [2022-11-09 16:43:06,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 16:43:06,538 INFO L85 PathProgramCache]: Analyzing trace with hash -576174563, now seen corresponding path program 1 times [2022-11-09 16:43:06,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 16:43:06,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75537949] [2022-11-09 16:43:06,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 16:43:06,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 16:43:06,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 16:43:07,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-09 16:43:07,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 16:43:07,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75537949] [2022-11-09 16:43:07,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75537949] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 16:43:07,035 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 16:43:07,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-09 16:43:07,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763403275] [2022-11-09 16:43:07,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 16:43:07,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-09 16:43:07,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 16:43:07,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-09 16:43:07,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-09 16:43:07,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:43:07,038 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 16:43:07,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.6) 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) [2022-11-09 16:43:07,038 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:43:07,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:43:07,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:43:07,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-09 16:43:07,102 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-09 16:43:07,102 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr3ASSERT_VIOLATIONDATA_RACE] === [2022-11-09 16:43:07,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 16:43:07,102 INFO L85 PathProgramCache]: Analyzing trace with hash -2126821387, now seen corresponding path program 1 times [2022-11-09 16:43:07,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 16:43:07,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508009120] [2022-11-09 16:43:07,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 16:43:07,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 16:43:07,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 16:43:07,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-09 16:43:07,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 16:43:07,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508009120] [2022-11-09 16:43:07,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508009120] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 16:43:07,154 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 16:43:07,154 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-09 16:43:07,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187061999] [2022-11-09 16:43:07,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 16:43:07,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-09 16:43:07,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 16:43:07,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-09 16:43:07,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-09 16:43:07,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:43:07,156 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 16:43:07,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-09 16:43:07,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:43:07,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-09 16:43:07,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:43:07,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:43:07,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-09 16:43:07,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:43:07,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-09 16:43:07,235 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr3ASSERT_VIOLATIONDATA_RACE] === [2022-11-09 16:43:07,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 16:43:07,236 INFO L85 PathProgramCache]: Analyzing trace with hash -2062702493, now seen corresponding path program 1 times [2022-11-09 16:43:07,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 16:43:07,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691370520] [2022-11-09 16:43:07,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 16:43:07,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 16:43:07,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 16:43:07,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-09 16:43:07,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 16:43:07,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691370520] [2022-11-09 16:43:07,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691370520] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 16:43:07,530 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 16:43:07,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-09 16:43:07,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044789134] [2022-11-09 16:43:07,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 16:43:07,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-09 16:43:07,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 16:43:07,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-09 16:43:07,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-09 16:43:07,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:43:07,532 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 16:43:07,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.6) internal successors, (68), 6 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-09 16:43:07,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:43:07,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-09 16:43:07,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:43:07,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:43:07,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:43:07,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-09 16:43:07,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:43:07,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-09 16:43:07,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-09 16:43:07,621 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr3ASSERT_VIOLATIONDATA_RACE] === [2022-11-09 16:43:07,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 16:43:07,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1717255793, now seen corresponding path program 1 times [2022-11-09 16:43:07,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 16:43:07,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840634464] [2022-11-09 16:43:07,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 16:43:07,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 16:43:07,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 16:43:07,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-09 16:43:07,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 16:43:07,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840634464] [2022-11-09 16:43:07,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840634464] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 16:43:07,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 16:43:07,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-09 16:43:07,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708702873] [2022-11-09 16:43:07,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 16:43:07,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-09 16:43:07,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 16:43:07,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-09 16:43:07,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-09 16:43:07,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:43:07,728 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 16:43:07,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-09 16:43:07,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:43:07,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-09 16:43:07,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:43:07,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-11-09 16:43:07,729 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:43:07,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:43:07,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-09 16:43:07,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:43:07,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-09 16:43:07,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:43:07,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-09 16:43:07,872 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE, t_funErr2ASSERT_VIOLATIONDATA_RACE, t_funErr3ASSERT_VIOLATIONDATA_RACE] === [2022-11-09 16:43:07,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 16:43:07,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1589340617, now seen corresponding path program 1 times [2022-11-09 16:43:07,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 16:43:07,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048232706] [2022-11-09 16:43:07,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 16:43:07,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 16:43:07,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-09 16:43:07,905 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-09 16:43:07,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-09 16:43:07,943 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-09 16:43:07,944 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-09 16:43:07,944 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (3 of 4 remaining) [2022-11-09 16:43:07,945 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 4 remaining) [2022-11-09 16:43:07,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 4 remaining) [2022-11-09 16:43:07,946 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 4 remaining) [2022-11-09 16:43:07,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-09 16:43:07,953 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-09 16:43:07,954 INFO L307 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN (1/2) [2022-11-09 16:43:07,958 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-09 16:43:07,958 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-09 16:43:08,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 04:43:08 BasicIcfg [2022-11-09 16:43:08,013 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-09 16:43:08,014 INFO L158 Benchmark]: Toolchain (without parser) took 3119.12ms. Allocated memory was 208.7MB in the beginning and 254.8MB in the end (delta: 46.1MB). Free memory was 174.7MB in the beginning and 115.0MB in the end (delta: 59.7MB). Peak memory consumption was 106.3MB. Max. memory is 8.0GB. [2022-11-09 16:43:08,014 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 208.7MB. Free memory is still 167.1MB. There was no memory consumed. Max. memory is 8.0GB. [2022-11-09 16:43:08,014 INFO L158 Benchmark]: CACSL2BoogieTranslator took 530.18ms. Allocated memory is still 208.7MB. Free memory was 174.5MB in the beginning and 151.4MB in the end (delta: 23.1MB). Peak memory consumption was 24.8MB. Max. memory is 8.0GB. [2022-11-09 16:43:08,014 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.03ms. Allocated memory is still 208.7MB. Free memory was 151.2MB in the beginning and 148.6MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-11-09 16:43:08,015 INFO L158 Benchmark]: Boogie Preprocessor took 28.09ms. Allocated memory is still 208.7MB. Free memory was 148.6MB in the beginning and 146.9MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-11-09 16:43:08,015 INFO L158 Benchmark]: RCFGBuilder took 385.08ms. Allocated memory is still 208.7MB. Free memory was 146.7MB in the beginning and 130.8MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-11-09 16:43:08,015 INFO L158 Benchmark]: TraceAbstraction took 2118.84ms. Allocated memory was 208.7MB in the beginning and 254.8MB in the end (delta: 46.1MB). Free memory was 130.1MB in the beginning and 115.0MB in the end (delta: 15.2MB). Peak memory consumption was 62.7MB. Max. memory is 8.0GB. [2022-11-09 16:43:08,016 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 208.7MB. Free memory is still 167.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 530.18ms. Allocated memory is still 208.7MB. Free memory was 174.5MB in the beginning and 151.4MB in the end (delta: 23.1MB). Peak memory consumption was 24.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 53.03ms. Allocated memory is still 208.7MB. Free memory was 151.2MB in the beginning and 148.6MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.09ms. Allocated memory is still 208.7MB. Free memory was 148.6MB in the beginning and 146.9MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 385.08ms. Allocated memory is still 208.7MB. Free memory was 146.7MB in the beginning and 130.8MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 2118.84ms. Allocated memory was 208.7MB in the beginning and 254.8MB in the end (delta: 46.1MB). Free memory was 130.1MB in the beginning and 115.0MB in the end (delta: 15.2MB). Peak memory consumption was 62.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1146, positive: 1070, positive conditional: 220, positive unconditional: 850, negative: 76, negative conditional: 31, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1122, positive: 1070, positive conditional: 220, positive unconditional: 850, negative: 52, negative conditional: 7, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1122, positive: 1070, positive conditional: 220, positive unconditional: 850, negative: 52, negative conditional: 7, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1144, positive: 1070, positive conditional: 2, positive unconditional: 1068, negative: 74, negative conditional: 20, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1144, positive: 1070, positive conditional: 2, positive unconditional: 1068, negative: 74, negative conditional: 3, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1144, positive: 1070, positive conditional: 2, positive unconditional: 1068, negative: 74, negative conditional: 3, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 904, positive: 852, positive conditional: 2, positive unconditional: 850, negative: 52, negative conditional: 3, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 904, positive: 824, positive conditional: 0, positive unconditional: 824, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 80, positive: 28, positive conditional: 2, positive unconditional: 26, negative: 52, negative conditional: 3, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 204, positive: 85, positive conditional: 3, positive unconditional: 83, negative: 119, negative conditional: 10, negative unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1144, positive: 218, positive conditional: 0, positive unconditional: 218, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 904, unknown conditional: 5, unknown unconditional: 899] , Statistics on independence cache: Total cache size (in pairs): 904, Positive cache size: 852, Positive conditional cache size: 2, Positive unconditional cache size: 850, Negative cache size: 52, Negative conditional cache size: 3, Negative unconditional cache size: 49, Eliminated conditions: 17, Maximal queried relation: 4, Independence queries for same thread: 24 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 148, Number of trivial persistent sets: 136, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 895, positive: 850, positive conditional: 0, positive unconditional: 850, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1146, positive: 1070, positive conditional: 220, positive unconditional: 850, negative: 76, negative conditional: 31, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1122, positive: 1070, positive conditional: 220, positive unconditional: 850, negative: 52, negative conditional: 7, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1122, positive: 1070, positive conditional: 220, positive unconditional: 850, negative: 52, negative conditional: 7, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1144, positive: 1070, positive conditional: 2, positive unconditional: 1068, negative: 74, negative conditional: 20, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1144, positive: 1070, positive conditional: 2, positive unconditional: 1068, negative: 74, negative conditional: 3, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1144, positive: 1070, positive conditional: 2, positive unconditional: 1068, negative: 74, negative conditional: 3, negative unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 904, positive: 852, positive conditional: 2, positive unconditional: 850, negative: 52, negative conditional: 3, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 904, positive: 824, positive conditional: 0, positive unconditional: 824, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 80, positive: 28, positive conditional: 2, positive unconditional: 26, negative: 52, negative conditional: 3, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 204, positive: 85, positive conditional: 3, positive unconditional: 83, negative: 119, negative conditional: 10, negative unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1144, positive: 218, positive conditional: 0, positive unconditional: 218, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 904, unknown conditional: 5, unknown unconditional: 899] , Statistics on independence cache: Total cache size (in pairs): 904, Positive cache size: 852, Positive conditional cache size: 2, Positive unconditional cache size: 850, Negative cache size: 52, Negative conditional cache size: 3, Negative unconditional cache size: 49, Eliminated conditions: 17, Maximal queried relation: 4, Independence queries for same thread: 24 - DataRaceFoundResult [Line: 1229]: Data race detected Data race detected The following path leads to a data race: [L1223] 0 int *x; VAL [x={0:0}] [L1224] 0 int *y; VAL [x={0:0}, y={0:0}] [L1225] 0 pthread_mutex_t m = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [m={3:0}, x={0:0}, y={0:0}] [L1234] 0 pthread_t id; VAL [id={5:0}, m={3:0}, x={0:0}, y={0:0}] [L1235] 0 x = malloc(sizeof(int)) VAL [id={5:0}, m={3:0}, malloc(sizeof(int))={-2:0}, x={-2:0}, x = malloc(sizeof(int))=102, y={0:0}] [L1236] 0 y = malloc(sizeof(int)) VAL [id={5:0}, m={3:0}, malloc(sizeof(int))={-3:0}, x={-2:0}, y={-3:0}, y = malloc(sizeof(int))=104] [L1237] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, id={5:0}, m={3:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1, x={-2:0}, y={-3:0}] [L1239] EXPR 0 *x VAL [arg={0:0}, arg={0:0}, id={5:0}, m={3:0}, x={-2:0}, y={-3:0}] [L1239] EXPR 0 \read(*x) VAL [\read(*x)=105, arg={0:0}, arg={0:0}, id={5:0}, m={3:0}, x={-2:0}, y={-3:0}] [L1239] 0 printf("%d\n",*x) VAL [\read(*x)=105, arg={0:0}, arg={0:0}, id={5:0}, m={3:0}, x={-2:0}, y={-3:0}] [L1228] EXPR 1 *x VAL [arg={0:0}, arg={0:0}, m={3:0}, x={-2:0}, y={-3:0}] [L1228] 1 *x = 3 VAL [arg={0:0}, arg={0:0}, m={3:0}, x={-2:0}, y={-3:0}] [L1229] EXPR 1 *y VAL [arg={0:0}, arg={0:0}, m={3:0}, x={-2:0}, y={-3:0}] [L1229] 1 *y = 8 VAL [*y = 8=101, arg={0:0}, arg={0:0}, m={3:0}, x={-2:0}, y={-3:0}] [L1241] 0 *y VAL [*y = 8=101, arg={0:0}, arg={0:0}, id={5:0}, m={3:0}, x={-2:0}, y={-3:0}] [L1241] 0 \read(*y) VAL [*y = 8=101, \read(*y)=8, arg={0:0}, arg={0:0}, id={5:0}, m={3:0}, x={-2:0}, y={-3:0}] [L1229] 1 *y = 8 VAL [*y = 8=101, arg={0:0}, arg={0:0}, m={3:0}, x={-2:0}, y={-3:0}] 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: y = malloc(sizeof(int)) [1236] * C: printf("%d\n",*x) [1239] * C: *x = 3 [1228] * C: *y [1229] * C: printf("%d\n",*x) [1239] * C: *x = 3 [1228] * C: printf("%d\n",*y) [1241] * C: printf("%d\n",*x) [1239] * C: *y [1241] * C: *x = 3 [1228] * C: *x [1239] * C: x = malloc(sizeof(int)) [1235] * C: *x [1228] * C: printf("%d\n",*x) [1239] * C: *x = 3 [1228] and C: *y = 8 [1229] - UnprovableResult [Line: 1228]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1228]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 1229]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t_funThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 147 locations, 15 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.5s, 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: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 403 NumberOfCodeBlocks, 403 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 310 ConstructedInterpolants, 0 QuantifiedInterpolants, 608 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-09 16:43:08,074 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 [2022-11-09 16:43:08,283 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...