/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-atomic/peterson-b.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-44940e9-m [2022-11-09 15:02:33,600 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2022-11-09 15:02:33,642 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-09 15:02:33,644 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-09 15:02:33,644 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-09 15:02:33,645 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-09 15:02:33,646 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-09 15:02:33,646 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-09 15:02:33,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-09 15:02:33,652 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-09 15:02:33,652 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-09 15:02:33,653 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-09 15:02:33,654 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-09 15:02:33,655 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-09 15:02:33,660 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-11-09 15:02:33,666 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-09 15:02:33,667 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-09 15:02:33,667 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-09 15:02:33,668 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2022-11-09 15:02:33,696 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-09 15:02:33,696 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-09 15:02:33,697 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-09 15:02:33,697 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-09 15:02:33,697 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-09 15:02:33,698 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-09 15:02:33,698 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-09 15:02:33,698 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-09 15:02:33,698 INFO L138 SettingsManager]: * Use SBE=true [2022-11-09 15:02:33,698 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-09 15:02:33,699 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-09 15:02:33,699 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-09 15:02:33,699 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-09 15:02:33,699 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-09 15:02:33,699 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-09 15:02:33,699 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-09 15:02:33,699 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-09 15:02:33,699 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-09 15:02:33,699 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-09 15:02:33,700 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-09 15:02:33,700 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-09 15:02:33,700 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-09 15:02:33,700 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-09 15:02:33,700 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-09 15:02:33,700 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-09 15:02:33,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-09 15:02:33,700 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-09 15:02:33,700 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-09 15:02:33,700 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-09 15:02:33,700 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-09 15:02:33,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-09 15:02:33,701 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-09 15:02:33,701 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-09 15:02:33,701 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-09 15:02:33,701 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-09 15:02:33,701 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-09 15:02:33,701 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-11-09 15:02:33,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-09 15:02:33,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-09 15:02:33,920 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-09 15:02:33,920 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-09 15:02:33,921 INFO L275 PluginConnector]: CDTParser initialized [2022-11-09 15:02:33,922 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/peterson-b.i [2022-11-09 15:02:33,964 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/268beb10b/10a9b777ffa94dd0b92060fa7cefb953/FLAG0ebd8bae5 [2022-11-09 15:02:34,384 INFO L306 CDTParser]: Found 1 translation units. [2022-11-09 15:02:34,384 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson-b.i [2022-11-09 15:02:34,393 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/268beb10b/10a9b777ffa94dd0b92060fa7cefb953/FLAG0ebd8bae5 [2022-11-09 15:02:34,754 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/268beb10b/10a9b777ffa94dd0b92060fa7cefb953 [2022-11-09 15:02:34,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-09 15:02:34,757 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-09 15:02:34,758 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-09 15:02:34,758 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-09 15:02:34,760 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-09 15:02:34,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:02:34" (1/1) ... [2022-11-09 15:02:34,761 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ffdc2c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:02:34, skipping insertion in model container [2022-11-09 15:02:34,761 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:02:34" (1/1) ... [2022-11-09 15:02:34,765 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-09 15:02:34,793 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-09 15:02:35,021 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-atomic/peterson-b.i[30010,30023] [2022-11-09 15:02:35,025 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-atomic/peterson-b.i[30174,30187] [2022-11-09 15:02:35,030 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-09 15:02:35,038 INFO L203 MainTranslator]: Completed pre-run [2022-11-09 15:02:35,066 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-atomic/peterson-b.i[30010,30023] [2022-11-09 15:02:35,068 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-atomic/peterson-b.i[30174,30187] [2022-11-09 15:02:35,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-09 15:02:35,101 INFO L208 MainTranslator]: Completed translation [2022-11-09 15:02:35,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:02:35 WrapperNode [2022-11-09 15:02:35,101 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-09 15:02:35,102 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-09 15:02:35,102 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-09 15:02:35,102 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-09 15:02:35,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:02:35" (1/1) ... [2022-11-09 15:02:35,129 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:02:35" (1/1) ... [2022-11-09 15:02:35,147 INFO L138 Inliner]: procedures = 167, calls = 18, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 53 [2022-11-09 15:02:35,147 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-09 15:02:35,148 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-09 15:02:35,148 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-09 15:02:35,148 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-09 15:02:35,153 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:02:35" (1/1) ... [2022-11-09 15:02:35,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:02:35" (1/1) ... [2022-11-09 15:02:35,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:02:35" (1/1) ... [2022-11-09 15:02:35,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:02:35" (1/1) ... [2022-11-09 15:02:35,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:02:35" (1/1) ... [2022-11-09 15:02:35,171 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:02:35" (1/1) ... [2022-11-09 15:02:35,172 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:02:35" (1/1) ... [2022-11-09 15:02:35,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:02:35" (1/1) ... [2022-11-09 15:02:35,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-09 15:02:35,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-09 15:02:35,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-09 15:02:35,175 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-09 15:02:35,184 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:02:35" (1/1) ... [2022-11-09 15:02:35,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-09 15:02:35,197 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-09 15:02:35,207 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 15:02:35,220 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 15:02:35,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-09 15:02:35,242 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2022-11-09 15:02:35,242 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2022-11-09 15:02:35,242 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-09 15:02:35,242 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-09 15:02:35,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-09 15:02:35,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-09 15:02:35,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-09 15:02:35,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-09 15:02:35,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-09 15:02:35,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-09 15:02:35,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-09 15:02:35,244 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 15:02:35,372 INFO L235 CfgBuilder]: Building ICFG [2022-11-09 15:02:35,373 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-09 15:02:35,621 INFO L276 CfgBuilder]: Performing block encoding [2022-11-09 15:02:35,627 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-09 15:02:35,627 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-09 15:02:35,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:02:35 BoogieIcfgContainer [2022-11-09 15:02:35,628 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-09 15:02:35,630 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-09 15:02:35,630 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-09 15:02:35,634 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-09 15:02:35,634 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:02:34" (1/3) ... [2022-11-09 15:02:35,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e706915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:02:35, skipping insertion in model container [2022-11-09 15:02:35,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:02:35" (2/3) ... [2022-11-09 15:02:35,635 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e706915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:02:35, skipping insertion in model container [2022-11-09 15:02:35,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:02:35" (3/3) ... [2022-11-09 15:02:35,636 INFO L112 eAbstractionObserver]: Analyzing ICFG peterson-b.i [2022-11-09 15:02:35,642 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-09 15:02:35,648 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-09 15:02:35,648 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2022-11-09 15:02:35,648 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-09 15:02:35,730 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-09 15:02:35,776 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 15:02:35,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-09 15:02:35,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-09 15:02:35,778 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 15:02:35,793 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 15:02:35,818 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-09 15:02:35,831 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork1 ======== [2022-11-09 15:02:35,839 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;@20decab4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-09 15:02:35,839 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-11-09 15:02:35,927 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err4ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-09 15:02:35,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 15:02:35,931 INFO L85 PathProgramCache]: Analyzing trace with hash -527627726, now seen corresponding path program 1 times [2022-11-09 15:02:35,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 15:02:35,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735546673] [2022-11-09 15:02:35,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 15:02:35,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 15:02:36,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 15:02:36,157 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 15:02:36,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 15:02:36,157 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735546673] [2022-11-09 15:02:36,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735546673] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 15:02:36,158 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 15:02:36,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-09 15:02:36,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632262288] [2022-11-09 15:02:36,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 15:02:36,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-09 15:02:36,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 15:02:36,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-09 15:02:36,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-09 15:02:36,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 15:02:36,187 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 15:02:36,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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 15:02:36,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 15:02:36,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-09 15:02:36,220 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err1ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err4ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-09 15:02:36,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 15:02:36,221 INFO L85 PathProgramCache]: Analyzing trace with hash -304085184, now seen corresponding path program 1 times [2022-11-09 15:02:36,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 15:02:36,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207069584] [2022-11-09 15:02:36,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 15:02:36,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 15:02:36,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 15:02:36,273 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 15:02:36,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 15:02:36,273 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207069584] [2022-11-09 15:02:36,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207069584] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 15:02:36,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 15:02:36,274 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-09 15:02:36,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792654677] [2022-11-09 15:02:36,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 15:02:36,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-09 15:02:36,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 15:02:36,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-09 15:02:36,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-09 15:02:36,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 15:02:36,276 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 15:02:36,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.0) internal successors, (32), 3 states have internal predecessors, (32), 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 15:02:36,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,276 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 15:02:36,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-09 15:02:36,297 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err4ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-09 15:02:36,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 15:02:36,297 INFO L85 PathProgramCache]: Analyzing trace with hash -915255272, now seen corresponding path program 1 times [2022-11-09 15:02:36,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 15:02:36,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736294148] [2022-11-09 15:02:36,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 15:02:36,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 15:02:36,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 15:02:36,360 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 15:02:36,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 15:02:36,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736294148] [2022-11-09 15:02:36,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736294148] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 15:02:36,362 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 15:02:36,362 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-09 15:02:36,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144435866] [2022-11-09 15:02:36,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 15:02:36,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-09 15:02:36,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 15:02:36,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-09 15:02:36,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-09 15:02:36,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 15:02:36,367 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 15:02:36,367 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 15:02:36,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 15:02:36,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-09 15:02:36,410 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err4ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-09 15:02:36,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 15:02:36,411 INFO L85 PathProgramCache]: Analyzing trace with hash 703404895, now seen corresponding path program 1 times [2022-11-09 15:02:36,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 15:02:36,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191202988] [2022-11-09 15:02:36,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 15:02:36,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 15:02:36,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 15:02:36,447 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 15:02:36,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 15:02:36,447 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191202988] [2022-11-09 15:02:36,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191202988] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 15:02:36,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 15:02:36,447 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-09 15:02:36,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [730169581] [2022-11-09 15:02:36,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 15:02:36,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-09 15:02:36,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 15:02:36,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-09 15:02:36,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-09 15:02:36,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 15:02:36,449 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 15:02:36,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 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 15:02:36,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 15:02:36,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-09 15:02:36,470 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err4ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err4ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-09 15:02:36,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 15:02:36,471 INFO L85 PathProgramCache]: Analyzing trace with hash -2113101544, now seen corresponding path program 1 times [2022-11-09 15:02:36,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 15:02:36,471 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615538597] [2022-11-09 15:02:36,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 15:02:36,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 15:02:36,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 15:02:36,500 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 15:02:36,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 15:02:36,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615538597] [2022-11-09 15:02:36,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615538597] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 15:02:36,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 15:02:36,501 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-09 15:02:36,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918725331] [2022-11-09 15:02:36,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 15:02:36,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-09 15:02:36,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 15:02:36,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-09 15:02:36,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-09 15:02:36,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 15:02:36,502 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 15:02:36,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 23.0) internal successors, (46), 3 states have internal predecessors, (46), 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 15:02:36,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 15:02:36,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-09 15:02:36,521 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err5ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err4ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-09 15:02:36,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 15:02:36,522 INFO L85 PathProgramCache]: Analyzing trace with hash -71989840, now seen corresponding path program 1 times [2022-11-09 15:02:36,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 15:02:36,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192079207] [2022-11-09 15:02:36,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 15:02:36,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 15:02:36,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 15:02:36,551 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 15:02:36,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 15:02:36,551 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192079207] [2022-11-09 15:02:36,551 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192079207] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 15:02:36,552 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 15:02:36,552 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-09 15:02:36,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [986095366] [2022-11-09 15:02:36,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 15:02:36,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-09 15:02:36,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 15:02:36,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-09 15:02:36,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-09 15:02:36,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 15:02:36,553 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 15:02:36,575 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 15:02:36,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 15:02:36,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-09 15:02:36,599 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err6ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err4ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-09 15:02:36,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 15:02:36,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1218543299, now seen corresponding path program 1 times [2022-11-09 15:02:36,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 15:02:36,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002349796] [2022-11-09 15:02:36,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 15:02:36,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 15:02:36,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 15:02:36,627 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 15:02:36,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 15:02:36,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002349796] [2022-11-09 15:02:36,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002349796] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 15:02:36,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 15:02:36,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-09 15:02:36,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92182290] [2022-11-09 15:02:36,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 15:02:36,628 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-09 15:02:36,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 15:02:36,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-09 15:02:36,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-09 15:02:36,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 15:02:36,629 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 15:02:36,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 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 15:02:36,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 15:02:36,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,693 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-09 15:02:36,694 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err6ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err4ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-09 15:02:36,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 15:02:36,694 INFO L85 PathProgramCache]: Analyzing trace with hash 2095285981, now seen corresponding path program 1 times [2022-11-09 15:02:36,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 15:02:36,694 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508930969] [2022-11-09 15:02:36,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 15:02:36,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 15:02:36,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 15:02:36,751 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 15:02:36,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 15:02:36,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508930969] [2022-11-09 15:02:36,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508930969] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 15:02:36,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 15:02:36,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-09 15:02:36,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923405683] [2022-11-09 15:02:36,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 15:02:36,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-09 15:02:36,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 15:02:36,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-09 15:02:36,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-09 15:02:36,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 15:02:36,753 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 15:02:36,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 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 15:02:36,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,753 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 15:02:36,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-09 15:02:36,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-09 15:02:36,830 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thr1Err6ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err4ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-09 15:02:36,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 15:02:36,830 INFO L85 PathProgramCache]: Analyzing trace with hash 56132307, now seen corresponding path program 1 times [2022-11-09 15:02:36,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 15:02:36,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408877326] [2022-11-09 15:02:36,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 15:02:36,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 15:02:36,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 15:02:36,974 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-09 15:02:36,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 15:02:36,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408877326] [2022-11-09 15:02:36,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408877326] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 15:02:36,975 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 15:02:36,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-09 15:02:36,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990144292] [2022-11-09 15:02:36,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 15:02:36,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-09 15:02:36,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 15:02:36,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-09 15:02:36,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-09 15:02:36,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 15:02:36,976 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 15:02:36,976 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 4 states have internal predecessors, (86), 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 15:02:36,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:36,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-09 15:02:36,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 15:02:37,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:37,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:37,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:37,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:37,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:37,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:37,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:37,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-09 15:02:37,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-09 15:02:37,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-09 15:02:37,011 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thr1Err6ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err4ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-09 15:02:37,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 15:02:37,012 INFO L85 PathProgramCache]: Analyzing trace with hash -188851412, now seen corresponding path program 1 times [2022-11-09 15:02:37,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 15:02:37,014 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393550403] [2022-11-09 15:02:37,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 15:02:37,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 15:02:37,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-09 15:02:37,333 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 15:02:37,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-09 15:02:37,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393550403] [2022-11-09 15:02:37,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393550403] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-09 15:02:37,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-09 15:02:37,334 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-09 15:02:37,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478460188] [2022-11-09 15:02:37,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-09 15:02:37,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-09 15:02:37,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-09 15:02:37,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-09 15:02:37,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-09 15:02:37,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-09 15:02:37,335 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-09 15:02:37,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-09 15:02:37,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:37,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:37,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:37,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:37,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:37,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:37,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:37,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-09 15:02:37,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-09 15:02:37,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-09 15:02:37,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:37,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:37,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:37,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:37,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:37,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:37,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-09 15:02:37,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-09 15:02:37,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-09 15:02:37,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-09 15:02:37,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-09 15:02:37,359 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thr1Err6ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err4ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-09 15:02:37,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-09 15:02:37,360 INFO L85 PathProgramCache]: Analyzing trace with hash -694410037, now seen corresponding path program 1 times [2022-11-09 15:02:37,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-09 15:02:37,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983038416] [2022-11-09 15:02:37,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-09 15:02:37,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-09 15:02:37,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-09 15:02:37,378 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-09 15:02:37,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-09 15:02:37,411 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-09 15:02:37,411 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-09 15:02:37,412 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location thr1Err6ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-11-09 15:02:37,413 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-11-09 15:02:37,413 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining) [2022-11-09 15:02:37,413 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-11-09 15:02:37,414 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-11-09 15:02:37,414 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-11-09 15:02:37,414 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-11-09 15:02:37,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-09 15:02:37,422 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-09 15:02:37,423 INFO L307 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork1 was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN (1/3) [2022-11-09 15:02:37,426 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-09 15:02:37,426 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-09 15:02:37,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 03:02:37 BasicIcfg [2022-11-09 15:02:37,491 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-09 15:02:37,492 INFO L158 Benchmark]: Toolchain (without parser) took 2734.77ms. Allocated memory was 189.8MB in the beginning and 239.1MB in the end (delta: 49.3MB). Free memory was 127.8MB in the beginning and 159.0MB in the end (delta: -31.2MB). Peak memory consumption was 17.2MB. Max. memory is 8.0GB. [2022-11-09 15:02:37,492 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 189.8MB. Free memory was 145.9MB in the beginning and 145.8MB in the end (delta: 130.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-11-09 15:02:37,492 INFO L158 Benchmark]: CACSL2BoogieTranslator took 343.59ms. Allocated memory was 189.8MB in the beginning and 239.1MB in the end (delta: 49.3MB). Free memory was 127.7MB in the beginning and 197.9MB in the end (delta: -70.2MB). Peak memory consumption was 12.4MB. Max. memory is 8.0GB. [2022-11-09 15:02:37,492 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.41ms. Allocated memory is still 239.1MB. Free memory was 197.9MB in the beginning and 195.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-09 15:02:37,493 INFO L158 Benchmark]: Boogie Preprocessor took 26.25ms. Allocated memory is still 239.1MB. Free memory was 195.8MB in the beginning and 194.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-11-09 15:02:37,493 INFO L158 Benchmark]: RCFGBuilder took 453.92ms. Allocated memory is still 239.1MB. Free memory was 193.7MB in the beginning and 176.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-11-09 15:02:37,493 INFO L158 Benchmark]: TraceAbstraction took 1861.56ms. Allocated memory is still 239.1MB. Free memory was 175.9MB in the beginning and 159.0MB in the end (delta: 16.8MB). Peak memory consumption was 17.4MB. Max. memory is 8.0GB. [2022-11-09 15:02:37,494 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 189.8MB. Free memory was 145.9MB in the beginning and 145.8MB in the end (delta: 130.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 343.59ms. Allocated memory was 189.8MB in the beginning and 239.1MB in the end (delta: 49.3MB). Free memory was 127.7MB in the beginning and 197.9MB in the end (delta: -70.2MB). Peak memory consumption was 12.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.41ms. Allocated memory is still 239.1MB. Free memory was 197.9MB in the beginning and 195.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.25ms. Allocated memory is still 239.1MB. Free memory was 195.8MB in the beginning and 194.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 453.92ms. Allocated memory is still 239.1MB. Free memory was 193.7MB in the beginning and 176.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 1861.56ms. Allocated memory is still 239.1MB. Free memory was 175.9MB in the beginning and 159.0MB in the end (delta: 16.8MB). Peak memory consumption was 17.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4904, positive: 4741, positive conditional: 679, positive unconditional: 4062, negative: 163, negative conditional: 131, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4780, positive: 4741, positive conditional: 679, positive unconditional: 4062, negative: 39, negative conditional: 7, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4780, positive: 4741, positive conditional: 679, positive unconditional: 4062, negative: 39, negative conditional: 7, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4799, positive: 4741, positive conditional: 4, positive unconditional: 4737, negative: 58, negative conditional: 15, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4799, positive: 4741, positive conditional: 4, positive unconditional: 4737, negative: 58, negative conditional: 4, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4799, positive: 4741, positive conditional: 4, positive unconditional: 4737, negative: 58, negative conditional: 4, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4062, positive: 4027, positive conditional: 1, positive unconditional: 4026, negative: 35, negative conditional: 1, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4062, positive: 4024, positive conditional: 0, positive unconditional: 4024, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 38, positive: 3, positive conditional: 1, positive unconditional: 2, negative: 35, negative conditional: 1, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 76, positive: 35, positive conditional: 1, positive unconditional: 35, negative: 41, negative conditional: 2, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4799, positive: 714, positive conditional: 3, positive unconditional: 711, negative: 23, negative conditional: 3, negative unconditional: 20, unknown: 4062, unknown conditional: 2, unknown unconditional: 4060] , Statistics on independence cache: Total cache size (in pairs): 4062, Positive cache size: 4027, Positive conditional cache size: 1, Positive unconditional cache size: 4026, Negative cache size: 35, Negative conditional cache size: 1, Negative unconditional cache size: 34, Eliminated conditions: 11, Maximal queried relation: 3, Independence queries for same thread: 124 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 139, Number of trivial persistent sets: 119, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4094, positive: 4062, positive conditional: 0, positive unconditional: 4062, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4904, positive: 4741, positive conditional: 679, positive unconditional: 4062, negative: 163, negative conditional: 131, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4780, positive: 4741, positive conditional: 679, positive unconditional: 4062, negative: 39, negative conditional: 7, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4780, positive: 4741, positive conditional: 679, positive unconditional: 4062, negative: 39, negative conditional: 7, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4799, positive: 4741, positive conditional: 4, positive unconditional: 4737, negative: 58, negative conditional: 15, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4799, positive: 4741, positive conditional: 4, positive unconditional: 4737, negative: 58, negative conditional: 4, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4799, positive: 4741, positive conditional: 4, positive unconditional: 4737, negative: 58, negative conditional: 4, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4062, positive: 4027, positive conditional: 1, positive unconditional: 4026, negative: 35, negative conditional: 1, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4062, positive: 4024, positive conditional: 0, positive unconditional: 4024, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 38, positive: 3, positive conditional: 1, positive unconditional: 2, negative: 35, negative conditional: 1, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 76, positive: 35, positive conditional: 1, positive unconditional: 35, negative: 41, negative conditional: 2, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4799, positive: 714, positive conditional: 3, positive unconditional: 711, negative: 23, negative conditional: 3, negative unconditional: 20, unknown: 4062, unknown conditional: 2, unknown unconditional: 4060] , Statistics on independence cache: Total cache size (in pairs): 4062, Positive cache size: 4027, Positive conditional cache size: 1, Positive unconditional cache size: 4026, Negative cache size: 35, Negative conditional cache size: 1, Negative unconditional cache size: 34, Eliminated conditions: 11, Maximal queried relation: 3, Independence queries for same thread: 124 - DataRaceFoundResult [Line: 693]: Data race detected Data race detected The following path leads to a data race: [L684] 0 int flag1 = 0, flag2 = 0; VAL [flag1=0, flag2=0] [L685] 0 int turn; VAL [flag1=0, flag2=0, turn=0] [L686] 0 int x; VAL [flag1=0, flag2=0, turn=0, x=0] [L706] 0 pthread_t t1, t2; VAL [flag1=0, flag2=0, t1={6:0}, t2={5:0}, turn=0, x=0] [L707] FCALL, FORK 0 pthread_create(&t1, 0, thr1, 0) VAL [_={0:0}, flag1=0, flag2=0, pthread_create(&t1, 0, thr1, 0)=-1, t1={6:0}, t2={5:0}, turn=0, x=0] [L688] 1 flag1 = 1 VAL [_={0:0}, _={0:0}, flag1=1, flag2=0, turn=0, x=0] [L689] 1 turn = 1 VAL [_={0:0}, _={0:0}, flag1=1, flag2=0, turn=1, x=0] [L690] EXPR 1 flag2==1 VAL [_={0:0}, _={0:0}, flag1=1, flag2=0, turn=1, x=0] [L690] 1 flag2==1 && turn==1 VAL [_={0:0}, _={0:0}, flag1=1, flag2=0, flag2==1 && turn==1=0, turn=1, x=0] [L690] COND FALSE 1 !(flag2==1 && turn==1) VAL [_={0:0}, _={0:0}, flag1=1, flag2=0, flag2==1 && turn==1=0, turn=1, x=0] [L691] 1 x = 0 VAL [_={0:0}, _={0:0}, flag1=1, flag2=0, turn=1, x=0] [L692] EXPR 1 x<=0 VAL [_={0:0}, _={0:0}, flag1=1, flag2=0, turn=1, x=0] [L692] COND FALSE 1 !(!(x<=0)) VAL [_={0:0}, _={0:0}, flag1=1, flag2=0, turn=1, x=0] [L693] 1 flag1 = 0 VAL [_={0:0}, _={0:0}, flag1=0, flag1 = 0=53, flag2=0, turn=1, x=0] [L708] FCALL, FORK 0 pthread_create(&t2, 0, thr2, 0) VAL [_={0:0}, _={0:0}, _={0:0}, flag1=0, flag1 = 0=53, flag2=0, pthread_create(&t2, 0, thr2, 0)=0, t1={6:0}, t2={5:0}, turn=1, x=0] [L709] EXPR 0 \read(t1) VAL [\read(t1)=-1, _={0:0}, _={0:0}, _={0:0}, flag1=0, flag1 = 0=53, flag2=0, t1={6:0}, t2={5:0}, turn=1, x=0] [L709] 0 pthread_join(t1, 0) VAL [\read(t1)=-1, _={0:0}, _={0:0}, _={0:0}, flag1=0, flag1 = 0=53, flag2=0, t1={6:0}, t2={5:0}, turn=1, x=0] [L697] 2 flag2 = 1 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=0, flag1 = 0=53, flag2=1, turn=1, x=0] [L698] 2 turn = 0 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=0, flag1 = 0=53, flag2=1, turn=0, x=0] [L699] 2 flag1==1 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=0, flag1 = 0=53, flag2=1, turn=0, x=0] [L693] 1 flag1 = 0 VAL [_={0:0}, _={0:0}, _={0:0}, _={0:0}, flag1=0, flag1 = 0=53, flag2=1, turn=0, x=0] Now there is a data race on ~flag1~0 between C: flag1==1 [699] and C: flag1 = 0 [693] - UnprovableResult [Line: 688]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 689]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 690]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 691]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 690]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 692]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr1Thread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 243 locations, 32 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 1, 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: 36, 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, 605 NumberOfCodeBlocks, 605 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 518 ConstructedInterpolants, 0 QuantifiedInterpolants, 688 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 8/8 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-09 15:02:37,578 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-11-09 15:02:37,786 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...