/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/pthread-C-DAC/pthread-demo-datarace-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-44940e9-m [2022-11-09 16:42:15,595 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-09 16:42:15,597 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-09 16:42:15,615 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-09 16:42:15,615 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-09 16:42:15,616 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-09 16:42:15,617 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-09 16:42:15,618 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-09 16:42:15,619 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-09 16:42:15,619 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-09 16:42:15,620 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-09 16:42:15,621 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-09 16:42:15,621 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-09 16:42:15,621 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-09 16:42:15,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-09 16:42:15,623 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-09 16:42:15,623 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-09 16:42:15,624 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-09 16:42:15,625 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-09 16:42:15,626 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-09 16:42:15,626 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-09 16:42:15,627 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-09 16:42:15,628 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-09 16:42:15,628 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-09 16:42:15,630 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-09 16:42:15,631 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-09 16:42:15,631 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-09 16:42:15,631 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-09 16:42:15,632 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-09 16:42:15,632 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-09 16:42:15,632 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-09 16:42:15,633 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-09 16:42:15,633 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-09 16:42:15,634 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-09 16:42:15,634 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-09 16:42:15,635 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-09 16:42:15,635 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-09 16:42:15,635 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-09 16:42:15,635 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-09 16:42:15,636 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-09 16:42:15,636 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-09 16:42:15,640 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-09 16:42:15,660 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-09 16:42:15,660 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-09 16:42:15,660 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-09 16:42:15,661 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-09 16:42:15,661 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-09 16:42:15,661 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-09 16:42:15,661 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-09 16:42:15,662 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-09 16:42:15,662 INFO L138 SettingsManager]: * Use SBE=true [2022-11-09 16:42:15,662 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-09 16:42:15,662 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-09 16:42:15,662 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-09 16:42:15,662 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-09 16:42:15,662 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-09 16:42:15,662 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-09 16:42:15,662 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-09 16:42:15,662 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-09 16:42:15,662 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-09 16:42:15,663 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-09 16:42:15,663 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-09 16:42:15,663 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-09 16:42:15,666 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-09 16:42:15,666 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-09 16:42:15,666 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-09 16:42:15,667 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-09 16:42:15,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-09 16:42:15,667 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-09 16:42:15,668 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-09 16:42:15,668 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-09 16:42:15,668 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-09 16:42:15,668 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-09 16:42:15,668 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-09 16:42:15,668 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-09 16:42:15,669 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-09 16:42:15,669 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-09 16:42:15,669 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-09 16:42:15,669 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-11-09 16:42:15,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-09 16:42:15,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-09 16:42:15,851 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-09 16:42:15,852 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-09 16:42:15,853 INFO L275 PluginConnector]: CDTParser initialized [2022-11-09 16:42:15,853 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i [2022-11-09 16:42:15,912 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5367f1e2/77daaaeb5ca84bd0a84be95047f665da/FLAG95ed15699 [2022-11-09 16:42:16,315 INFO L306 CDTParser]: Found 1 translation units. [2022-11-09 16:42:16,315 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i [2022-11-09 16:42:16,324 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5367f1e2/77daaaeb5ca84bd0a84be95047f665da/FLAG95ed15699 [2022-11-09 16:42:16,333 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5367f1e2/77daaaeb5ca84bd0a84be95047f665da [2022-11-09 16:42:16,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-09 16:42:16,335 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-09 16:42:16,336 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-09 16:42:16,336 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-09 16:42:16,338 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-09 16:42:16,338 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:42:16" (1/1) ... [2022-11-09 16:42:16,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13af1309 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:16, skipping insertion in model container [2022-11-09 16:42:16,339 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 04:42:16" (1/1) ... [2022-11-09 16:42:16,343 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-09 16:42:16,375 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-09 16:42:16,521 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i[820,833] [2022-11-09 16:42:16,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-09 16:42:16,698 INFO L203 MainTranslator]: Completed pre-run [2022-11-09 16:42:16,706 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-1.i[820,833] [2022-11-09 16:42:16,729 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-09 16:42:16,779 INFO L208 MainTranslator]: Completed translation [2022-11-09 16:42:16,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:16 WrapperNode [2022-11-09 16:42:16,780 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-09 16:42:16,780 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-09 16:42:16,780 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-09 16:42:16,781 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-09 16:42:16,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:16" (1/1) ... [2022-11-09 16:42:16,807 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:16" (1/1) ... [2022-11-09 16:42:16,830 INFO L138 Inliner]: procedures = 364, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 84 [2022-11-09 16:42:16,830 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-09 16:42:16,831 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-09 16:42:16,831 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-09 16:42:16,831 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-09 16:42:16,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:16" (1/1) ... [2022-11-09 16:42:16,837 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:16" (1/1) ... [2022-11-09 16:42:16,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:16" (1/1) ... [2022-11-09 16:42:16,848 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:16" (1/1) ... [2022-11-09 16:42:16,857 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:16" (1/1) ... [2022-11-09 16:42:16,859 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:16" (1/1) ... [2022-11-09 16:42:16,861 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:16" (1/1) ... [2022-11-09 16:42:16,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:16" (1/1) ... [2022-11-09 16:42:16,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-09 16:42:16,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-09 16:42:16,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-09 16:42:16,864 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-09 16:42:16,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:16" (1/1) ... [2022-11-09 16:42:16,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-09 16:42:16,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-09 16:42:16,890 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 16:42:16,909 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 16:42:16,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-09 16:42:16,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-09 16:42:16,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-09 16:42:16,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-09 16:42:16,920 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-09 16:42:16,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-09 16:42:16,920 INFO L130 BoogieDeclarations]: Found specification of procedure thread_function_mutex [2022-11-09 16:42:16,920 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_function_mutex [2022-11-09 16:42:16,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-09 16:42:16,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-09 16:42:16,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-09 16:42:16,921 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 16:42:17,007 INFO L235 CfgBuilder]: Building ICFG [2022-11-09 16:42:17,009 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-09 16:42:17,175 INFO L276 CfgBuilder]: Performing block encoding [2022-11-09 16:42:17,180 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-09 16:42:17,180 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-09 16:42:17,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:42:17 BoogieIcfgContainer [2022-11-09 16:42:17,182 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-09 16:42:17,183 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-09 16:42:17,183 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-09 16:42:17,188 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-09 16:42:17,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 04:42:16" (1/3) ... [2022-11-09 16:42:17,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aa4e297 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:42:17, skipping insertion in model container [2022-11-09 16:42:17,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 04:42:16" (2/3) ... [2022-11-09 16:42:17,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aa4e297 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 04:42:17, skipping insertion in model container [2022-11-09 16:42:17,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 04:42:17" (3/3) ... [2022-11-09 16:42:17,195 INFO L112 eAbstractionObserver]: Analyzing ICFG pthread-demo-datarace-1.i [2022-11-09 16:42:17,201 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-09 16:42:17,207 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-09 16:42:17,207 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 7 error locations. [2022-11-09 16:42:17,207 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-09 16:42:17,275 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-09 16:42:17,311 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 16:42:17,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-09 16:42:17,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-09 16:42:17,314 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 16:42:17,331 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 16:42:17,349 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-09 16:42:17,357 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread_function_mutexThread1of1ForFork0 ======== [2022-11-09 16:42:17,366 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;@128cc98e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 16:42:17,366 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-09 16:42:17,467 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thread_function_mutexErr0ASSERT_VIOLATIONDATA_RACE === [thread_function_mutexErr0ASSERT_VIOLATIONDATA_RACE, thread_function_mutexErr1ASSERT_VIOLATIONDATA_RACE] === [2022-11-09 16:42:17,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 16:42:17,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1787811006, now seen corresponding path program 1 times [2022-11-09 16:42:17,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 16:42:17,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738313632] [2022-11-09 16:42:17,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 16:42:17,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 16:42:17,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 16:42:17,722 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 16:42:17,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 16:42:17,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738313632] [2022-11-09 16:42:17,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738313632] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 16:42:17,723 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 16:42:17,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-09 16:42:17,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838408187] [2022-11-09 16:42:17,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 16:42:17,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-09 16:42:17,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 16:42:17,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-09 16:42:17,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-09 16:42:17,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:42:17,747 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 16:42:17,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 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 16:42:17,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:42:17,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:17,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-09 16:42:17,795 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread_function_mutexErr1ASSERT_VIOLATIONDATA_RACE === [thread_function_mutexErr0ASSERT_VIOLATIONDATA_RACE, thread_function_mutexErr1ASSERT_VIOLATIONDATA_RACE] === [2022-11-09 16:42:17,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 16:42:17,795 INFO L85 PathProgramCache]: Analyzing trace with hash 67441710, now seen corresponding path program 1 times [2022-11-09 16:42:17,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 16:42:17,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166506362] [2022-11-09 16:42:17,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 16:42:17,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 16:42:17,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 16:42:17,863 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 16:42:17,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 16:42:17,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166506362] [2022-11-09 16:42:17,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166506362] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 16:42:17,864 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 16:42:17,864 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-09 16:42:17,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802577454] [2022-11-09 16:42:17,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 16:42:17,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-09 16:42:17,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 16:42:17,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-09 16:42:17,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-09 16:42:17,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:42:17,870 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 16:42:17,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 28.0) internal successors, (56), 3 states have internal predecessors, (56), 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 16:42:17,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:17,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:42:17,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:17,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:17,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-09 16:42:17,962 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread_function_mutexErr1ASSERT_VIOLATIONDATA_RACE === [thread_function_mutexErr0ASSERT_VIOLATIONDATA_RACE, thread_function_mutexErr1ASSERT_VIOLATIONDATA_RACE] === [2022-11-09 16:42:17,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 16:42:17,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1966234617, now seen corresponding path program 1 times [2022-11-09 16:42:17,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 16:42:17,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716582663] [2022-11-09 16:42:17,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 16:42:17,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 16:42:17,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 16:42:18,104 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-09 16:42:18,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 16:42:18,104 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716582663] [2022-11-09 16:42:18,104 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716582663] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 16:42:18,105 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 16:42:18,105 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-09 16:42:18,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392343822] [2022-11-09 16:42:18,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 16:42:18,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-09 16:42:18,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 16:42:18,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-09 16:42:18,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-09 16:42:18,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:42:18,106 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 16:42:18,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.0) internal successors, (81), 3 states have internal predecessors, (81), 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 16:42:18,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:18,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:18,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:42:18,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:18,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:18,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:18,197 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr0ASSERT_VIOLATIONDATA_RACE (1 of 2 remaining) [2022-11-09 16:42:18,197 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread_function_mutexErr1ASSERT_VIOLATIONDATA_RACE (0 of 2 remaining) [2022-11-09 16:42:18,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-09 16:42:18,202 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-09 16:42:18,203 INFO L307 ceAbstractionStarter]: Result for error location thread_function_mutexThread1of1ForFork0 was SAFE,SAFE (1/2) [2022-11-09 16:42:18,206 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 16:42:18,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-09 16:42:18,206 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-09 16:42:18,207 INFO L229 MonitoredProcess]: Starting monitored process 3 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 16:42:18,210 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-09 16:42:18,210 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-09 16:42:18,211 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;@128cc98e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 16:42:18,211 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-11-09 16:42:18,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-11-09 16:42:18,214 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-09 16:42:18,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 16:42:18,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1136870972, now seen corresponding path program 1 times [2022-11-09 16:42:18,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 16:42:18,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004986755] [2022-11-09 16:42:18,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 16:42:18,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 16:42:18,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 16:42:18,235 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 16:42:18,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 16:42:18,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004986755] [2022-11-09 16:42:18,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004986755] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 16:42:18,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 16:42:18,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-09 16:42:18,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072867758] [2022-11-09 16:42:18,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 16:42:18,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-09 16:42:18,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 16:42:18,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-09 16:42:18,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-09 16:42:18,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:42:18,237 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 16:42:18,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 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 16:42:18,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:42:18,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:18,309 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-09 16:42:18,309 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-09 16:42:18,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 16:42:18,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1591231174, now seen corresponding path program 1 times [2022-11-09 16:42:18,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 16:42:18,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689436446] [2022-11-09 16:42:18,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 16:42:18,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 16:42:18,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 16:42:18,343 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 16:42:18,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 16:42:18,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [689436446] [2022-11-09 16:42:18,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [689436446] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 16:42:18,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 16:42:18,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-09 16:42:18,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122445977] [2022-11-09 16:42:18,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 16:42:18,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-09 16:42:18,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 16:42:18,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-09 16:42:18,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-09 16:42:18,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:42:18,345 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 16:42:18,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) 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 16:42:18,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:18,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:42:18,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:18,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:18,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-09 16:42:18,365 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-09 16:42:18,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 16:42:18,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1369833840, now seen corresponding path program 1 times [2022-11-09 16:42:18,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 16:42:18,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196515468] [2022-11-09 16:42:18,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 16:42:18,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 16:42:18,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 16:42:18,387 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 16:42:18,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 16:42:18,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196515468] [2022-11-09 16:42:18,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196515468] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 16:42:18,388 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 16:42:18,388 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-09 16:42:18,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548972507] [2022-11-09 16:42:18,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 16:42:18,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-09 16:42:18,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 16:42:18,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-09 16:42:18,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-09 16:42:18,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:42:18,389 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 16:42:18,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 24.5) internal successors, (49), 3 states have internal predecessors, (49), 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 16:42:18,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:18,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:18,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:42:18,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:18,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:18,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:18,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-09 16:42:18,412 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-09 16:42:18,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 16:42:18,413 INFO L85 PathProgramCache]: Analyzing trace with hash -578668616, now seen corresponding path program 1 times [2022-11-09 16:42:18,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 16:42:18,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564880804] [2022-11-09 16:42:18,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 16:42:18,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 16:42:18,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 16:42:18,461 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 16:42:18,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 16:42:18,461 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564880804] [2022-11-09 16:42:18,461 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564880804] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 16:42:18,461 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 16:42:18,461 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-09 16:42:18,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973703220] [2022-11-09 16:42:18,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 16:42:18,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-09 16:42:18,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 16:42:18,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-09 16:42:18,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-09 16:42:18,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:42:18,463 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 16:42:18,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 26.5) internal successors, (53), 3 states have internal predecessors, (53), 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 16:42:18,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:18,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:18,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:18,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:42:18,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:18,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:18,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:18,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:18,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-09 16:42:18,488 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-09 16:42:18,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 16:42:18,489 INFO L85 PathProgramCache]: Analyzing trace with hash -1489553915, now seen corresponding path program 1 times [2022-11-09 16:42:18,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 16:42:18,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215741172] [2022-11-09 16:42:18,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 16:42:18,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 16:42:18,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 16:42:18,547 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-09 16:42:18,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 16:42:18,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215741172] [2022-11-09 16:42:18,548 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215741172] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-09 16:42:18,548 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1575579021] [2022-11-09 16:42:18,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 16:42:18,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-09 16:42:18,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-09 16:42:18,586 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-09 16:42:18,588 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-09 16:42:18,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 16:42:18,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-09 16:42:18,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-09 16:42:18,741 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-09 16:42:18,742 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-09 16:42:18,785 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-09 16:42:18,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1575579021] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-09 16:42:18,786 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-09 16:42:18,786 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-11-09 16:42:18,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389002970] [2022-11-09 16:42:18,786 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-09 16:42:18,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-09 16:42:18,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 16:42:18,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-09 16:42:18,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-09 16:42:18,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:42:18,787 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 16:42:18,787 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.5) internal successors, (95), 10 states have internal predecessors, (95), 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 16:42:18,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:18,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:18,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:18,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:18,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:42:18,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:18,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:18,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:18,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:18,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-09 16:42:18,886 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-09 16:42:19,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-09 16:42:19,064 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-09 16:42:19,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 16:42:19,064 INFO L85 PathProgramCache]: Analyzing trace with hash -2049065533, now seen corresponding path program 2 times [2022-11-09 16:42:19,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 16:42:19,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257351461] [2022-11-09 16:42:19,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 16:42:19,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 16:42:19,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 16:42:19,221 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-09 16:42:19,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 16:42:19,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257351461] [2022-11-09 16:42:19,223 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257351461] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-09 16:42:19,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1894119251] [2022-11-09 16:42:19,224 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-09 16:42:19,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-09 16:42:19,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-09 16:42:19,228 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-09 16:42:19,240 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-09 16:42:19,293 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-09 16:42:19,294 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-09 16:42:19,295 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-09 16:42:19,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-09 16:42:19,401 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-09 16:42:19,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-09 16:42:19,424 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2022-11-09 16:42:19,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-09 16:42:19,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-09 16:42:19,454 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-09 16:42:19,454 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2022-11-09 16:42:19,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-09 16:42:19,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-09 16:42:19,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-09 16:42:19,509 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-09 16:42:19,511 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 44 [2022-11-09 16:42:19,537 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2022-11-09 16:42:19,538 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-09 16:42:19,538 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1894119251] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 16:42:19,538 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-09 16:42:19,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 14 [2022-11-09 16:42:19,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450648494] [2022-11-09 16:42:19,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 16:42:19,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-09 16:42:19,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 16:42:19,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-09 16:42:19,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2022-11-09 16:42:19,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:42:19,542 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 16:42:19,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 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 16:42:19,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:19,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:19,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:19,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:19,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-09 16:42:19,543 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:42:19,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:19,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:19,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:19,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:19,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-09 16:42:19,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-09 16:42:19,655 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-09 16:42:19,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-09 16:42:19,843 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-09 16:42:19,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 16:42:19,844 INFO L85 PathProgramCache]: Analyzing trace with hash 475911952, now seen corresponding path program 1 times [2022-11-09 16:42:19,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 16:42:19,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006428334] [2022-11-09 16:42:19,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 16:42:19,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 16:42:19,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 16:42:19,922 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-09 16:42:19,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 16:42:19,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006428334] [2022-11-09 16:42:19,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006428334] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 16:42:19,923 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 16:42:19,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-09 16:42:19,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859949594] [2022-11-09 16:42:19,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 16:42:19,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-09 16:42:19,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 16:42:19,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-09 16:42:19,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-09 16:42:19,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:42:19,924 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 16:42:19,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 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 16:42:19,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:19,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:19,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:19,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:19,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-09 16:42:19,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-11-09 16:42:19,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 16:42:19,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:19,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:19,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:19,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:19,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-09 16:42:19,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-09 16:42:19,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 16:42:19,982 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 6 remaining) [2022-11-09 16:42:19,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (4 of 6 remaining) [2022-11-09 16:42:19,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (3 of 6 remaining) [2022-11-09 16:42:19,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (2 of 6 remaining) [2022-11-09 16:42:19,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (1 of 6 remaining) [2022-11-09 16:42:19,983 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining) [2022-11-09 16:42:19,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-09 16:42:19,990 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2022-11-09 16:42:19,991 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (2/2) [2022-11-09 16:42:19,991 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-09 16:42:19,991 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-09 16:42:19,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 04:42:19 BasicIcfg [2022-11-09 16:42:19,994 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-09 16:42:19,995 INFO L158 Benchmark]: Toolchain (without parser) took 3659.76ms. Allocated memory was 181.4MB in the beginning and 218.1MB in the end (delta: 36.7MB). Free memory was 157.0MB in the beginning and 104.6MB in the end (delta: 52.4MB). Peak memory consumption was 89.3MB. Max. memory is 8.0GB. [2022-11-09 16:42:19,995 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 181.4MB. Free memory was 141.2MB in the beginning and 141.1MB in the end (delta: 136.3kB). There was no memory consumed. Max. memory is 8.0GB. [2022-11-09 16:42:19,995 INFO L158 Benchmark]: CACSL2BoogieTranslator took 443.93ms. Allocated memory was 181.4MB in the beginning and 218.1MB in the end (delta: 36.7MB). Free memory was 156.8MB in the beginning and 163.9MB in the end (delta: -7.2MB). Peak memory consumption was 32.7MB. Max. memory is 8.0GB. [2022-11-09 16:42:19,996 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.22ms. Allocated memory is still 218.1MB. Free memory was 163.9MB in the beginning and 161.4MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-11-09 16:42:19,996 INFO L158 Benchmark]: Boogie Preprocessor took 31.98ms. Allocated memory is still 218.1MB. Free memory was 161.4MB in the beginning and 159.8MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-11-09 16:42:19,996 INFO L158 Benchmark]: RCFGBuilder took 317.93ms. Allocated memory is still 218.1MB. Free memory was 159.8MB in the beginning and 144.1MB in the end (delta: 15.8MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-11-09 16:42:19,996 INFO L158 Benchmark]: TraceAbstraction took 2811.65ms. Allocated memory is still 218.1MB. Free memory was 143.5MB in the beginning and 104.6MB in the end (delta: 38.9MB). Peak memory consumption was 39.9MB. Max. memory is 8.0GB. [2022-11-09 16:42:19,997 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 181.4MB. Free memory was 141.2MB in the beginning and 141.1MB in the end (delta: 136.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 443.93ms. Allocated memory was 181.4MB in the beginning and 218.1MB in the end (delta: 36.7MB). Free memory was 156.8MB in the beginning and 163.9MB in the end (delta: -7.2MB). Peak memory consumption was 32.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.22ms. Allocated memory is still 218.1MB. Free memory was 163.9MB in the beginning and 161.4MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 31.98ms. Allocated memory is still 218.1MB. Free memory was 161.4MB in the beginning and 159.8MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 317.93ms. Allocated memory is still 218.1MB. Free memory was 159.8MB in the beginning and 144.1MB in the end (delta: 15.8MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 2811.65ms. Allocated memory is still 218.1MB. Free memory was 143.5MB in the beginning and 104.6MB in the end (delta: 38.9MB). Peak memory consumption was 39.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2153, positive: 2019, positive conditional: 345, positive unconditional: 1674, negative: 134, negative conditional: 116, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2040, positive: 2019, positive conditional: 345, positive unconditional: 1674, negative: 21, negative conditional: 3, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2040, positive: 2019, positive conditional: 345, positive unconditional: 1674, negative: 21, negative conditional: 3, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2045, positive: 2019, positive conditional: 2, positive unconditional: 2017, negative: 26, negative conditional: 3, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2045, positive: 2019, positive conditional: 2, positive unconditional: 2017, negative: 26, negative conditional: 2, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2045, positive: 2019, positive conditional: 2, positive unconditional: 2017, negative: 26, negative conditional: 2, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1299, positive: 1278, positive conditional: 2, positive unconditional: 1276, negative: 21, negative conditional: 2, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1299, positive: 1269, positive conditional: 0, positive unconditional: 1269, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 9, positive conditional: 2, positive unconditional: 7, negative: 21, negative conditional: 2, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 125, positive: 59, positive conditional: 10, positive unconditional: 49, negative: 66, negative conditional: 8, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2045, positive: 741, positive conditional: 0, positive unconditional: 741, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 1299, unknown conditional: 4, unknown unconditional: 1295] , Statistics on independence cache: Total cache size (in pairs): 1299, Positive cache size: 1278, Positive conditional cache size: 2, Positive unconditional cache size: 1276, Negative cache size: 21, Negative conditional cache size: 2, Negative unconditional cache size: 19, Eliminated conditions: 1, Maximal queried relation: 1, Independence queries for same thread: 113 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 194, Number of trivial persistent sets: 155, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1692, positive: 1674, positive conditional: 0, positive unconditional: 1674, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2153, positive: 2019, positive conditional: 345, positive unconditional: 1674, negative: 134, negative conditional: 116, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2040, positive: 2019, positive conditional: 345, positive unconditional: 1674, negative: 21, negative conditional: 3, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2040, positive: 2019, positive conditional: 345, positive unconditional: 1674, negative: 21, negative conditional: 3, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2045, positive: 2019, positive conditional: 2, positive unconditional: 2017, negative: 26, negative conditional: 3, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2045, positive: 2019, positive conditional: 2, positive unconditional: 2017, negative: 26, negative conditional: 2, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2045, positive: 2019, positive conditional: 2, positive unconditional: 2017, negative: 26, negative conditional: 2, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1299, positive: 1278, positive conditional: 2, positive unconditional: 1276, negative: 21, negative conditional: 2, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1299, positive: 1269, positive conditional: 0, positive unconditional: 1269, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 9, positive conditional: 2, positive unconditional: 7, negative: 21, negative conditional: 2, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 125, positive: 59, positive conditional: 10, positive unconditional: 49, negative: 66, negative conditional: 8, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2045, positive: 741, positive conditional: 0, positive unconditional: 741, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 1299, unknown conditional: 4, unknown unconditional: 1295] , Statistics on independence cache: Total cache size (in pairs): 1299, Positive cache size: 1278, Positive conditional cache size: 2, Positive unconditional cache size: 1276, Negative cache size: 21, Negative conditional cache size: 2, Negative unconditional cache size: 19, Eliminated conditions: 1, Maximal queried relation: 1, Independence queries for same thread: 113 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5525, positive: 4998, positive conditional: 2607, positive unconditional: 2391, negative: 527, negative conditional: 509, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5021, positive: 4998, positive conditional: 2607, positive unconditional: 2391, negative: 23, negative conditional: 5, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5021, positive: 4998, positive conditional: 2607, positive unconditional: 2391, negative: 23, negative conditional: 5, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5042, positive: 4998, positive conditional: 4, positive unconditional: 4994, negative: 44, negative conditional: 17, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5042, positive: 4998, positive conditional: 4, positive unconditional: 4994, negative: 44, negative conditional: 4, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5042, positive: 4998, positive conditional: 4, positive unconditional: 4994, negative: 44, negative conditional: 4, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1727, positive: 1706, positive conditional: 2, positive unconditional: 1704, negative: 21, negative conditional: 2, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1727, positive: 1696, positive conditional: 0, positive unconditional: 1696, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 31, positive: 10, positive conditional: 2, positive unconditional: 8, negative: 21, negative conditional: 2, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 52, positive: 29, positive conditional: 2, positive unconditional: 27, negative: 22, negative conditional: 2, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5042, positive: 3292, positive conditional: 2, positive unconditional: 3290, negative: 23, negative conditional: 2, negative unconditional: 21, unknown: 1727, unknown conditional: 4, unknown unconditional: 1723] , Statistics on independence cache: Total cache size (in pairs): 1727, Positive cache size: 1706, Positive conditional cache size: 2, Positive unconditional cache size: 1704, Negative cache size: 21, Negative conditional cache size: 2, Negative unconditional cache size: 19, Eliminated conditions: 13, Maximal queried relation: 4, Independence queries for same thread: 504 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 653, Number of trivial persistent sets: 653, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2409, positive: 2391, positive conditional: 0, positive unconditional: 2391, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5525, positive: 4998, positive conditional: 2607, positive unconditional: 2391, negative: 527, negative conditional: 509, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5021, positive: 4998, positive conditional: 2607, positive unconditional: 2391, negative: 23, negative conditional: 5, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5021, positive: 4998, positive conditional: 2607, positive unconditional: 2391, negative: 23, negative conditional: 5, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5042, positive: 4998, positive conditional: 4, positive unconditional: 4994, negative: 44, negative conditional: 17, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5042, positive: 4998, positive conditional: 4, positive unconditional: 4994, negative: 44, negative conditional: 4, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5042, positive: 4998, positive conditional: 4, positive unconditional: 4994, negative: 44, negative conditional: 4, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1727, positive: 1706, positive conditional: 2, positive unconditional: 1704, negative: 21, negative conditional: 2, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1727, positive: 1696, positive conditional: 0, positive unconditional: 1696, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 31, positive: 10, positive conditional: 2, positive unconditional: 8, negative: 21, negative conditional: 2, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 52, positive: 29, positive conditional: 2, positive unconditional: 27, negative: 22, negative conditional: 2, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5042, positive: 3292, positive conditional: 2, positive unconditional: 3290, negative: 23, negative conditional: 2, negative unconditional: 21, unknown: 1727, unknown conditional: 4, unknown unconditional: 1723] , Statistics on independence cache: Total cache size (in pairs): 1727, Positive cache size: 1706, Positive conditional cache size: 2, Positive unconditional cache size: 1704, Negative cache size: 21, Negative conditional cache size: 2, Negative unconditional cache size: 19, Eliminated conditions: 13, Maximal queried relation: 4, Independence queries for same thread: 504 - PositiveResult [Line: 1326]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1329]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1342]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1350]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1353]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1350]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 1357]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread_function_mutexThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 147 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 186 NumberOfCodeBlocks, 186 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 183 ConstructedInterpolants, 0 QuantifiedInterpolants, 289 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 12/12 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 147 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.4s, 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: 31, 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, 0.7s InterpolantComputationTime, 607 NumberOfCodeBlocks, 565 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 662 ConstructedInterpolants, 0 QuantifiedInterpolants, 1150 SizeOfPredicates, 2 NumberOfNonLiveVariables, 297 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 114/162 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 - AllSpecificationsHoldResult: All specifications hold 7 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-09 16:42:20,023 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2022-11-09 16:42:20,239 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 16:42:20,437 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...