/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder-VarAbsGlobalSyntactic.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/pthread-atomic/gcd-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-44940e9-m [2022-11-10 10:46:09,955 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-10 10:46:09,957 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-10 10:46:09,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-11-10 10:46:10,001 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-10 10:46:10,002 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-10 10:46:10,003 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-10 10:46:10,004 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-10 10:46:10,005 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-10 10:46:10,005 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-10 10:46:10,007 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-10 10:46:10,012 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-10 10:46:10,013 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-10 10:46:10,014 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-10 10:46:10,015 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-10 10:46:10,016 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-10 10:46:10,020 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-10 10:46:10,020 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-10 10:46:10,021 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-10 10:46:10,022 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-10 10:46:10,022 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-10 10:46:10,022 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2022-11-10 10:46:10,026 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-10 10:46:10,027 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-10 10:46:10,027 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-10 10:46:10,028 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder-VarAbsGlobalSyntactic.epf [2022-11-10 10:46:10,050 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-10 10:46:10,050 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-10 10:46:10,050 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-10 10:46:10,050 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-10 10:46:10,051 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-10 10:46:10,051 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-10 10:46:10,052 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-10 10:46:10,052 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-10 10:46:10,052 INFO L138 SettingsManager]: * Use SBE=true [2022-11-10 10:46:10,052 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-10 10:46:10,053 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-10 10:46:10,053 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-10 10:46:10,053 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-10 10:46:10,053 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-10 10:46:10,053 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-10 10:46:10,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-10 10:46:10,053 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-10 10:46:10,053 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-10 10:46:10,053 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-10 10:46:10,054 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-10 10:46:10,054 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-10 10:46:10,054 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-10 10:46:10,054 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-10 10:46:10,054 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-10 10:46:10,054 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-10 10:46:10,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-10 10:46:10,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-10 10:46:10,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-10 10:46:10,055 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-10 10:46:10,055 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-10 10:46:10,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-10 10:46:10,055 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-10 10:46:10,055 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-10 10:46:10,055 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-10 10:46:10,055 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-10 10:46:10,055 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-10 10:46:10,056 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-10 10:46:10,056 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-10 10:46:10,056 INFO L138 SettingsManager]: * Independence relation used for POR in concurrent analysis=SYNTACTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-11-10 10:46:10,247 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-10 10:46:10,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-10 10:46:10,266 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-10 10:46:10,266 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-10 10:46:10,268 INFO L275 PluginConnector]: CDTParser initialized [2022-11-10 10:46:10,268 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/gcd-2.i [2022-11-10 10:46:10,335 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b86739b6d/162bf94700e14ecdaea7c600718a9baa/FLAGab7d28acb [2022-11-10 10:46:10,733 INFO L306 CDTParser]: Found 1 translation units. [2022-11-10 10:46:10,733 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/gcd-2.i [2022-11-10 10:46:10,746 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b86739b6d/162bf94700e14ecdaea7c600718a9baa/FLAGab7d28acb [2022-11-10 10:46:11,147 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b86739b6d/162bf94700e14ecdaea7c600718a9baa [2022-11-10 10:46:11,148 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-10 10:46:11,150 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-10 10:46:11,152 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-10 10:46:11,152 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-10 10:46:11,154 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-10 10:46:11,156 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:46:11" (1/1) ... [2022-11-10 10:46:11,157 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67add4a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:11, skipping insertion in model container [2022-11-10 10:46:11,157 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:46:11" (1/1) ... [2022-11-10 10:46:11,162 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-10 10:46:11,201 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-10 10:46:11,392 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/gcd-2.i[938,951] [2022-11-10 10:46:11,543 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-10 10:46:11,549 INFO L203 MainTranslator]: Completed pre-run [2022-11-10 10:46:11,561 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/gcd-2.i[938,951] [2022-11-10 10:46:11,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-10 10:46:11,630 INFO L208 MainTranslator]: Completed translation [2022-11-10 10:46:11,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:11 WrapperNode [2022-11-10 10:46:11,631 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-10 10:46:11,631 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-10 10:46:11,631 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-10 10:46:11,631 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-10 10:46:11,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:11" (1/1) ... [2022-11-10 10:46:11,662 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:11" (1/1) ... [2022-11-10 10:46:11,693 INFO L138 Inliner]: procedures = 174, calls = 38, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 182 [2022-11-10 10:46:11,694 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-10 10:46:11,694 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-10 10:46:11,694 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-10 10:46:11,695 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-10 10:46:11,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:11" (1/1) ... [2022-11-10 10:46:11,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:11" (1/1) ... [2022-11-10 10:46:11,716 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:11" (1/1) ... [2022-11-10 10:46:11,716 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:11" (1/1) ... [2022-11-10 10:46:11,722 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:11" (1/1) ... [2022-11-10 10:46:11,725 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:11" (1/1) ... [2022-11-10 10:46:11,726 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:11" (1/1) ... [2022-11-10 10:46:11,727 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:11" (1/1) ... [2022-11-10 10:46:11,729 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-10 10:46:11,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-10 10:46:11,730 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-10 10:46:11,730 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-10 10:46:11,731 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:11" (1/1) ... [2022-11-10 10:46:11,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-10 10:46:11,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 10:46:11,778 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-10 10:46:11,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-10 10:46:11,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-10 10:46:11,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-10 10:46:11,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-10 10:46:11,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-10 10:46:11,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-10 10:46:11,814 INFO L130 BoogieDeclarations]: Found specification of procedure dec_a [2022-11-10 10:46:11,814 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_a [2022-11-10 10:46:11,814 INFO L130 BoogieDeclarations]: Found specification of procedure dec_b [2022-11-10 10:46:11,814 INFO L138 BoogieDeclarations]: Found implementation of procedure dec_b [2022-11-10 10:46:11,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-10 10:46:11,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-10 10:46:11,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-10 10:46:11,816 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-10 10:46:11,970 INFO L235 CfgBuilder]: Building ICFG [2022-11-10 10:46:11,972 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-10 10:46:12,233 INFO L276 CfgBuilder]: Performing block encoding [2022-11-10 10:46:12,314 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-10 10:46:12,314 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-10 10:46:12,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:46:12 BoogieIcfgContainer [2022-11-10 10:46:12,316 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-10 10:46:12,318 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-10 10:46:12,318 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-10 10:46:12,321 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-10 10:46:12,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:46:11" (1/3) ... [2022-11-10 10:46:12,321 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44fc916c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:46:12, skipping insertion in model container [2022-11-10 10:46:12,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:11" (2/3) ... [2022-11-10 10:46:12,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44fc916c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:46:12, skipping insertion in model container [2022-11-10 10:46:12,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:46:12" (3/3) ... [2022-11-10 10:46:12,323 INFO L112 eAbstractionObserver]: Analyzing ICFG gcd-2.i [2022-11-10 10:46:12,328 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-10 10:46:12,338 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-10 10:46:12,338 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 19 error locations. [2022-11-10 10:46:12,338 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-10 10:46:12,392 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-11-10 10:46:12,432 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 10:46:12,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 10:46:12,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 10:46:12,434 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-10 10:46:12,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-10 10:46:12,463 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 10:46:12,473 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == dec_aThread1of1ForFork1 ======== [2022-11-10 10:46:12,480 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;@549a1b1e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 10:46:12,480 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-11-10 10:46:12,649 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting dec_aErr0ASSERT_VIOLATIONDATA_RACE === [dec_aErr0ASSERT_VIOLATIONDATA_RACE, dec_aErr1ASSERT_VIOLATIONDATA_RACE, dec_aErr2ASSERT_VIOLATIONDATA_RACE, dec_aErr3ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-10 10:46:12,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 10:46:12,656 INFO L85 PathProgramCache]: Analyzing trace with hash 195213978, now seen corresponding path program 1 times [2022-11-10 10:46:12,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 10:46:12,663 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425664527] [2022-11-10 10:46:12,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 10:46:12,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 10:46:12,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 10:46:12,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-10 10:46:12,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 10:46:12,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425664527] [2022-11-10 10:46:12,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425664527] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 10:46:12,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 10:46:12,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-10 10:46:12,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216547414] [2022-11-10 10:46:12,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 10:46:12,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-10 10:46:12,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 10:46:12,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-10 10:46:12,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-10 10:46:12,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:46:12,886 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 10:46:12,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 10:46:12,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:46:12,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:46:12,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-10 10:46:12,913 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting dec_aErr0ASSERT_VIOLATIONDATA_RACE === [dec_aErr0ASSERT_VIOLATIONDATA_RACE, dec_aErr1ASSERT_VIOLATIONDATA_RACE, dec_aErr2ASSERT_VIOLATIONDATA_RACE, dec_aErr3ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-10 10:46:12,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 10:46:12,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1926933376, now seen corresponding path program 1 times [2022-11-10 10:46:12,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 10:46:12,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20086454] [2022-11-10 10:46:12,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 10:46:12,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 10:46:12,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 10:46:12,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-10 10:46:12,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 10:46:12,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20086454] [2022-11-10 10:46:12,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20086454] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 10:46:12,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 10:46:12,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-10 10:46:12,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102209589] [2022-11-10 10:46:12,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 10:46:12,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 10:46:12,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 10:46:12,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 10:46:12,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-10 10:46:12,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:46:12,983 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 10:46:12,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 31.5) internal successors, (63), 3 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 10:46:12,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:46:12,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:46:13,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:46:13,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:46:13,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-10 10:46:13,030 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting dec_aErr1ASSERT_VIOLATIONDATA_RACE === [dec_aErr0ASSERT_VIOLATIONDATA_RACE, dec_aErr1ASSERT_VIOLATIONDATA_RACE, dec_aErr2ASSERT_VIOLATIONDATA_RACE, dec_aErr3ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-10 10:46:13,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 10:46:13,042 INFO L85 PathProgramCache]: Analyzing trace with hash 652089122, now seen corresponding path program 1 times [2022-11-10 10:46:13,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 10:46:13,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928240434] [2022-11-10 10:46:13,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 10:46:13,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 10:46:13,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 10:46:13,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-10 10:46:13,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 10:46:13,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928240434] [2022-11-10 10:46:13,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928240434] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 10:46:13,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 10:46:13,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-10 10:46:13,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521145060] [2022-11-10 10:46:13,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 10:46:13,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 10:46:13,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 10:46:13,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 10:46:13,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-10 10:46:13,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:46:13,133 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 10:46:13,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 32.5) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 10:46:13,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:46:13,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:46:13,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:46:13,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:46:13,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:46:13,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:46:13,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-10 10:46:13,276 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting dec_aErr1ASSERT_VIOLATIONDATA_RACE === [dec_aErr0ASSERT_VIOLATIONDATA_RACE, dec_aErr1ASSERT_VIOLATIONDATA_RACE, dec_aErr2ASSERT_VIOLATIONDATA_RACE, dec_aErr3ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-10 10:46:13,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 10:46:13,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1848826509, now seen corresponding path program 1 times [2022-11-10 10:46:13,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 10:46:13,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38584764] [2022-11-10 10:46:13,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 10:46:13,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 10:46:13,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 10:46:13,858 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-11-10 10:46:13,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 10:46:13,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38584764] [2022-11-10 10:46:13,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38584764] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 10:46:13,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 10:46:13,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-10 10:46:13,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766152512] [2022-11-10 10:46:13,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 10:46:13,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-10 10:46:13,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 10:46:13,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-10 10:46:13,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-10 10:46:13,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:46:13,865 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 10:46:13,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.833333333333334) internal successors, (95), 6 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 10:46:13,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:46:13,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:46:13,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:46:13,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:46:13,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 10:46:13,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:46:13,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 10:46:13,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-10 10:46:13,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-10 10:46:13,963 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting dec_aErr1ASSERT_VIOLATIONDATA_RACE === [dec_aErr0ASSERT_VIOLATIONDATA_RACE, dec_aErr1ASSERT_VIOLATIONDATA_RACE, dec_aErr2ASSERT_VIOLATIONDATA_RACE, dec_aErr3ASSERT_VIOLATIONDATA_RACE (and 3 more)] === [2022-11-10 10:46:13,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 10:46:13,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1262793490, now seen corresponding path program 1 times [2022-11-10 10:46:13,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 10:46:13,964 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078395160] [2022-11-10 10:46:13,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 10:46:13,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 10:46:14,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-10 10:46:14,270 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-10 10:46:14,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-10 10:46:14,398 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-10 10:46:14,399 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-10 10:46:14,399 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location dec_aErr1ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-11-10 10:46:14,400 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location dec_aErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-11-10 10:46:14,401 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location dec_aErr2ASSERT_VIOLATIONDATA_RACE (4 of 7 remaining) [2022-11-10 10:46:14,401 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location dec_aErr3ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-11-10 10:46:14,401 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location dec_aErr4ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-11-10 10:46:14,401 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location dec_aErr5ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-11-10 10:46:14,401 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location dec_aErr6ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-11-10 10:46:14,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-10 10:46:14,412 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-10 10:46:14,414 INFO L307 ceAbstractionStarter]: Result for error location dec_aThread1of1ForFork1 was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN (1/3) [2022-11-10 10:46:14,420 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-10 10:46:14,421 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-10 10:46:14,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 10:46:14 BasicIcfg [2022-11-10 10:46:14,486 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-10 10:46:14,486 INFO L158 Benchmark]: Toolchain (without parser) took 3336.53ms. Allocated memory was 169.9MB in the beginning and 219.2MB in the end (delta: 49.3MB). Free memory was 147.3MB in the beginning and 91.4MB in the end (delta: 56.0MB). Peak memory consumption was 105.8MB. Max. memory is 8.0GB. [2022-11-10 10:46:14,487 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 169.9MB. Free memory was 130.9MB in the beginning and 130.8MB in the end (delta: 136.3kB). There was no memory consumed. Max. memory is 8.0GB. [2022-11-10 10:46:14,487 INFO L158 Benchmark]: CACSL2BoogieTranslator took 478.70ms. Allocated memory was 169.9MB in the beginning and 219.2MB in the end (delta: 49.3MB). Free memory was 147.3MB in the beginning and 181.8MB in the end (delta: -34.5MB). Peak memory consumption was 19.5MB. Max. memory is 8.0GB. [2022-11-10 10:46:14,489 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.48ms. Allocated memory is still 219.2MB. Free memory was 181.8MB in the beginning and 179.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-10 10:46:14,489 INFO L158 Benchmark]: Boogie Preprocessor took 34.96ms. Allocated memory is still 219.2MB. Free memory was 179.2MB in the beginning and 177.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-10 10:46:14,489 INFO L158 Benchmark]: RCFGBuilder took 586.76ms. Allocated memory is still 219.2MB. Free memory was 177.1MB in the beginning and 149.3MB in the end (delta: 27.8MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2022-11-10 10:46:14,490 INFO L158 Benchmark]: TraceAbstraction took 2168.13ms. Allocated memory is still 219.2MB. Free memory was 148.7MB in the beginning and 91.4MB in the end (delta: 57.4MB). Peak memory consumption was 59.0MB. Max. memory is 8.0GB. [2022-11-10 10:46:14,491 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 169.9MB. Free memory was 130.9MB in the beginning and 130.8MB in the end (delta: 136.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 478.70ms. Allocated memory was 169.9MB in the beginning and 219.2MB in the end (delta: 49.3MB). Free memory was 147.3MB in the beginning and 181.8MB in the end (delta: -34.5MB). Peak memory consumption was 19.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 62.48ms. Allocated memory is still 219.2MB. Free memory was 181.8MB in the beginning and 179.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.96ms. Allocated memory is still 219.2MB. Free memory was 179.2MB in the beginning and 177.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 586.76ms. Allocated memory is still 219.2MB. Free memory was 177.1MB in the beginning and 149.3MB in the end (delta: 27.8MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * TraceAbstraction took 2168.13ms. Allocated memory is still 219.2MB. Free memory was 148.7MB in the beginning and 91.4MB in the end (delta: 57.4MB). Peak memory consumption was 59.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 240, positive: 234, positive conditional: 4, positive unconditional: 230, negative: 6, negative conditional: 4, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5369, positive: 4129, positive conditional: 553, positive unconditional: 3576, negative: 1240, negative conditional: 1160, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4523, positive: 4129, positive conditional: 0, positive unconditional: 4129, negative: 394, negative conditional: 0, negative unconditional: 394, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1575, positive: 1474, positive conditional: 0, positive unconditional: 1474, negative: 101, negative conditional: 0, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4523, positive: 2655, positive conditional: 0, positive unconditional: 2655, negative: 293, negative conditional: 0, negative unconditional: 293, unknown: 1575, unknown conditional: 0, unknown unconditional: 1575] , Statistics on independence cache: Total cache size (in pairs): 195, Positive cache size: 193, Positive conditional cache size: 0, Positive unconditional cache size: 193, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Independence queries for same thread: 4, Statistics for Abstraction: - StatisticsResult: Independence relation #2 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 239, positive: 234, positive conditional: 4, positive unconditional: 230, negative: 5, negative conditional: 3, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5369, positive: 4129, positive conditional: 553, positive unconditional: 3576, negative: 1240, negative conditional: 1160, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4523, positive: 4129, positive conditional: 0, positive unconditional: 4129, negative: 394, negative conditional: 0, negative unconditional: 394, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1575, positive: 1474, positive conditional: 0, positive unconditional: 1474, negative: 101, negative conditional: 0, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4523, positive: 2655, positive conditional: 0, positive unconditional: 2655, negative: 293, negative conditional: 0, negative unconditional: 293, unknown: 1575, unknown conditional: 0, unknown unconditional: 1575] , Statistics on independence cache: Total cache size (in pairs): 195, Positive cache size: 193, Positive conditional cache size: 0, Positive unconditional cache size: 193, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Independence queries for same thread: 7, Statistics for Abstraction: - StatisticsResult: Independence relation #3 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 313, positive: 305, positive conditional: 7, positive unconditional: 298, negative: 8, negative conditional: 4, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5369, positive: 4129, positive conditional: 553, positive unconditional: 3576, negative: 1240, negative conditional: 1160, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4523, positive: 4129, positive conditional: 0, positive unconditional: 4129, negative: 394, negative conditional: 0, negative unconditional: 394, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1575, positive: 1474, positive conditional: 0, positive unconditional: 1474, negative: 101, negative conditional: 0, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4523, positive: 2655, positive conditional: 0, positive unconditional: 2655, negative: 293, negative conditional: 0, negative unconditional: 293, unknown: 1575, unknown conditional: 0, unknown unconditional: 1575] , Statistics on independence cache: Total cache size (in pairs): 334, Positive cache size: 328, Positive conditional cache size: 0, Positive unconditional cache size: 328, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Independence queries for same thread: 11, Statistics for Abstraction: - StatisticsResult: Independence relation #4 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 2177, positive: 1566, positive conditional: 269, positive unconditional: 1297, negative: 611, negative conditional: 575, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5369, positive: 4129, positive conditional: 553, positive unconditional: 3576, negative: 1240, negative conditional: 1160, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4523, positive: 4129, positive conditional: 0, positive unconditional: 4129, negative: 394, negative conditional: 0, negative unconditional: 394, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1575, positive: 1474, positive conditional: 0, positive unconditional: 1474, negative: 101, negative conditional: 0, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4523, positive: 2655, positive conditional: 0, positive unconditional: 2655, negative: 293, negative conditional: 0, negative unconditional: 293, unknown: 1575, unknown conditional: 0, unknown unconditional: 1575] , Statistics on independence cache: Total cache size (in pairs): 1138, Positive cache size: 1038, Positive conditional cache size: 0, Positive unconditional cache size: 1038, Negative cache size: 100, Negative conditional cache size: 0, Negative unconditional cache size: 100, Independence queries for same thread: 429, Statistics for Abstraction: - StatisticsResult: Independence relation #5 benchmarks IndependenceRelationWithAbstraction.Independence Queries: [ total: 2400, positive: 1790, positive conditional: 269, positive unconditional: 1521, negative: 610, negative conditional: 574, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5369, positive: 4129, positive conditional: 553, positive unconditional: 3576, negative: 1240, negative conditional: 1160, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4523, positive: 4129, positive conditional: 0, positive unconditional: 4129, negative: 394, negative conditional: 0, negative unconditional: 394, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1575, positive: 1474, positive conditional: 0, positive unconditional: 1474, negative: 101, negative conditional: 0, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4523, positive: 2655, positive conditional: 0, positive unconditional: 2655, negative: 293, negative conditional: 0, negative unconditional: 293, unknown: 1575, unknown conditional: 0, unknown unconditional: 1575] , Statistics on independence cache: Total cache size (in pairs): 1575, Positive cache size: 1474, Positive conditional cache size: 0, Positive unconditional cache size: 1474, Negative cache size: 101, Negative conditional cache size: 0, Negative unconditional cache size: 101, Independence queries for same thread: 846, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 65, Number of trivial persistent sets: 64, Underlying independence relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 240, positive: 234, positive conditional: 4, positive unconditional: 230, negative: 6, negative conditional: 4, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5369, positive: 4129, positive conditional: 553, positive unconditional: 3576, negative: 1240, negative conditional: 1160, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4523, positive: 4129, positive conditional: 0, positive unconditional: 4129, negative: 394, negative conditional: 0, negative unconditional: 394, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1575, positive: 1474, positive conditional: 0, positive unconditional: 1474, negative: 101, negative conditional: 0, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4523, positive: 2655, positive conditional: 0, positive unconditional: 2655, negative: 293, negative conditional: 0, negative unconditional: 293, unknown: 1575, unknown conditional: 0, unknown unconditional: 1575] , Statistics on independence cache: Total cache size (in pairs): 195, Positive cache size: 193, Positive conditional cache size: 0, Positive unconditional cache size: 193, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Independence queries for same thread: 4, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 65, Number of trivial persistent sets: 64, Underlying independence relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 239, positive: 234, positive conditional: 4, positive unconditional: 230, negative: 5, negative conditional: 3, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5369, positive: 4129, positive conditional: 553, positive unconditional: 3576, negative: 1240, negative conditional: 1160, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4523, positive: 4129, positive conditional: 0, positive unconditional: 4129, negative: 394, negative conditional: 0, negative unconditional: 394, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1575, positive: 1474, positive conditional: 0, positive unconditional: 1474, negative: 101, negative conditional: 0, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4523, positive: 2655, positive conditional: 0, positive unconditional: 2655, negative: 293, negative conditional: 0, negative unconditional: 293, unknown: 1575, unknown conditional: 0, unknown unconditional: 1575] , Statistics on independence cache: Total cache size (in pairs): 195, Positive cache size: 193, Positive conditional cache size: 0, Positive unconditional cache size: 193, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Independence queries for same thread: 7, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 67, Number of trivial persistent sets: 66, Underlying independence relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 313, positive: 305, positive conditional: 7, positive unconditional: 298, negative: 8, negative conditional: 4, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5369, positive: 4129, positive conditional: 553, positive unconditional: 3576, negative: 1240, negative conditional: 1160, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4523, positive: 4129, positive conditional: 0, positive unconditional: 4129, negative: 394, negative conditional: 0, negative unconditional: 394, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1575, positive: 1474, positive conditional: 0, positive unconditional: 1474, negative: 101, negative conditional: 0, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4523, positive: 2655, positive conditional: 0, positive unconditional: 2655, negative: 293, negative conditional: 0, negative unconditional: 293, unknown: 1575, unknown conditional: 0, unknown unconditional: 1575] , Statistics on independence cache: Total cache size (in pairs): 334, Positive cache size: 328, Positive conditional cache size: 0, Positive unconditional cache size: 328, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Independence queries for same thread: 11, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 125, Number of trivial persistent sets: 118, Underlying independence relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 2177, positive: 1566, positive conditional: 269, positive unconditional: 1297, negative: 611, negative conditional: 575, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5369, positive: 4129, positive conditional: 553, positive unconditional: 3576, negative: 1240, negative conditional: 1160, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4523, positive: 4129, positive conditional: 0, positive unconditional: 4129, negative: 394, negative conditional: 0, negative unconditional: 394, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1575, positive: 1474, positive conditional: 0, positive unconditional: 1474, negative: 101, negative conditional: 0, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4523, positive: 2655, positive conditional: 0, positive unconditional: 2655, negative: 293, negative conditional: 0, negative unconditional: 293, unknown: 1575, unknown conditional: 0, unknown unconditional: 1575] , Statistics on independence cache: Total cache size (in pairs): 1138, Positive cache size: 1038, Positive conditional cache size: 0, Positive unconditional cache size: 1038, Negative cache size: 100, Negative conditional cache size: 0, Negative unconditional cache size: 100, Independence queries for same thread: 429, Statistics for Abstraction: - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.0s, Number of persistent set computation: 125, Number of trivial persistent sets: 118, Underlying independence relation: IndependenceRelationWithAbstraction.Independence Queries: [ total: 2400, positive: 1790, positive conditional: 269, positive unconditional: 1521, negative: 610, negative conditional: 574, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , IndependenceRelationWithAbstraction.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5369, positive: 4129, positive conditional: 553, positive unconditional: 3576, negative: 1240, negative conditional: 1160, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4523, positive: 4129, positive conditional: 0, positive unconditional: 4129, negative: 394, negative conditional: 0, negative unconditional: 394, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1575, positive: 1474, positive conditional: 0, positive unconditional: 1474, negative: 101, negative conditional: 0, negative unconditional: 101, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4523, positive: 2655, positive conditional: 0, positive unconditional: 2655, negative: 293, negative conditional: 0, negative unconditional: 293, unknown: 1575, unknown conditional: 0, unknown unconditional: 1575] , Statistics on independence cache: Total cache size (in pairs): 1575, Positive cache size: 1474, Positive conditional cache size: 0, Positive unconditional cache size: 1474, Negative cache size: 101, Negative conditional cache size: 0, Negative unconditional cache size: 101, Independence queries for same thread: 846, Statistics for Abstraction: - DataRaceFoundResult [Line: 709]: Data race detected Data race detected The following path leads to a data race: [L695] 0 unsigned a, b; VAL [a=0, b=0] [L747] 0 unsigned a_in=__VERIFIER_nondet_uint(); VAL [__VERIFIER_nondet_uint()=-5368709122, a=0, a_in=3221225470, b=0] [L748] 0 unsigned b_in=__VERIFIER_nondet_uint(); VAL [__VERIFIER_nondet_uint()=-3, a=0, a_in=3221225470, b=0, b_in=4294967293] [L749] CALL 0 assume_abort_if_not(a_in>0) [L15] COND FALSE 0 !(!cond) VAL [\old(cond)=1, a=0, b=0, cond=1] [L749] RET 0 assume_abort_if_not(a_in>0) [L750] CALL 0 assume_abort_if_not(b_in>0) [L15] COND FALSE 0 !(!cond) VAL [\old(cond)=1, a=0, b=0, cond=1] [L750] RET 0 assume_abort_if_not(b_in>0) [L751] CALL 0 start(a_in, b_in) [L726] 0 a=a_in VAL [\old(a_in)=3221225470, \old(b_in)=4294967293, a=-5368709122, a_in=3221225470, b=0, b_in=4294967293] [L727] 0 b=b_in VAL [\old(a_in)=3221225470, \old(b_in)=4294967293, a=-5368709122, a_in=3221225470, b=-3, b_in=4294967293] [L728] 0 pthread_t t1, t2; VAL [\old(a_in)=3221225470, \old(b_in)=4294967293, a=-5368709122, a_in=3221225470, b=-3, b_in=4294967293, t1={10:0}, t2={9:0}] [L729] FCALL, FORK 0 pthread_create(&t1, 0, dec_a, 0) VAL [\old(a_in)=3221225470, \old(b_in)=4294967293, a=-5368709122, a_in=3221225470, b=-3, b_in=4294967293, pthread_create(&t1, 0, dec_a, 0)=-1, t1={10:0}, t2={9:0}] [L709] 1 a!=b VAL [a=-5368709122, arg={0:0}, arg={0:0}, b=-3] [L709] COND TRUE 1 a!=b VAL [a=-5368709122, arg={0:0}, arg={0:0}, b=-3] [L711] CALL 1 __VERIFIER_atomic_dec_a() [L698] 1 a>b [L698] COND FALSE 1 !(a>b) [L711] RET 1 __VERIFIER_atomic_dec_a() [L709] 1 a!=b VAL [a=-5368709122, arg={0:0}, arg={0:0}, b=-3] [L730] FCALL, FORK 0 pthread_create(&t2, 0, dec_b, 0) VAL [\old(a_in)=3221225470, \old(b_in)=4294967293, a=-5368709122, a_in=3221225470, b=-3, b_in=4294967293, pthread_create(&t2, 0, dec_b, 0)=0, t1={10:0}, t2={9:0}] [L731] EXPR 0 \read(t1) VAL [\old(a_in)=3221225470, \old(b_in)=4294967293, \read(t1)=-1, a=-5368709122, a_in=3221225470, b=-3, b_in=4294967293, t1={10:0}, t2={9:0}] [L731] 0 pthread_join(t1, 0) VAL [\old(a_in)=3221225470, \old(b_in)=4294967293, \read(t1)=-1, a=-5368709122, a_in=3221225470, b=-3, b_in=4294967293, t1={10:0}, t2={9:0}] [L718] 2 a!=b VAL [a=-5368709122, arg={0:0}, arg={0:0}, b=-3] [L709] 1 a!=b VAL [a=-5368709122, arg={0:0}, arg={0:0}, b=-3] [L709] COND TRUE 1 a!=b VAL [a=-5368709122, arg={0:0}, arg={0:0}, b=-3] [L711] CALL 1 __VERIFIER_atomic_dec_a() [L698] 1 a>b [L698] COND FALSE 1 !(a>b) [L711] RET 1 __VERIFIER_atomic_dec_a() [L709] 1 a!=b VAL [a=-5368709122, arg={0:0}, arg={0:0}, b=-3] [L718] 2 a!=b VAL [a=-5368709122, arg={0:0}, arg={0:0}, b=-3] [L718] COND TRUE 2 a!=b VAL [a=-5368709122, arg={0:0}, arg={0:0}, b=-3] [L720] CALL 2 __VERIFIER_atomic_dec_b() [L703] 2 b>a [L703] COND TRUE 2 b>a [L704] EXPR 2 b-a [L704] 2 b=b-a [L720] RET 2 __VERIFIER_atomic_dec_b() [L709] 1 a!=b VAL [a=-5368709122, arg={0:0}, arg={0:0}, b=5368709119] [L709] COND TRUE 1 a!=b VAL [a=-5368709122, arg={0:0}, arg={0:0}, b=5368709119] [L711] CALL 1 __VERIFIER_atomic_dec_a() [L698] 1 a>b [L698] COND TRUE 1 a>b [L699] EXPR 1 a-b [L699] 1 a=a-b [L711] RET 1 __VERIFIER_atomic_dec_a() [L709] 1 a!=b VAL [a=-10737418241, arg={0:0}, arg={0:0}, b=5368709119] [L718] 2 a!=b VAL [a=-10737418241, arg={0:0}, arg={0:0}, b=5368709119] [L709] 1 a!=b VAL [a=-10737418241, arg={0:0}, arg={0:0}, b=5368709119] [L709] COND TRUE 1 a!=b VAL [a=-10737418241, arg={0:0}, arg={0:0}, b=5368709119] [L711] CALL 1 __VERIFIER_atomic_dec_a() [L698] 1 a>b [L698] COND TRUE 1 a>b [L699] EXPR 1 a-b [L699] 1 a=a-b [L711] RET 1 __VERIFIER_atomic_dec_a() [L718] 2 a!=b VAL [a=-16106127360, arg={0:0}, arg={0:0}, b=5368709119] [L709] 1 a!=b VAL [a=-16106127360, arg={0:0}, arg={0:0}, b=5368709119] [L709] COND TRUE 1 a!=b VAL [a=-16106127360, arg={0:0}, arg={0:0}, b=5368709119] [L718] 2 a!=b VAL [a=-16106127360, arg={0:0}, arg={0:0}, b=5368709119] [L711] CALL 1 __VERIFIER_atomic_dec_a() [L698] 1 a>b [L698] COND TRUE 1 a>b [L699] EXPR 1 a-b [L699] 1 a=a-b [L711] RET 1 __VERIFIER_atomic_dec_a() [L709] 1 a!=b VAL [a=-21474836479, arg={0:0}, arg={0:0}, b=5368709119] [L709] COND TRUE 1 a!=b VAL [a=-21474836479, arg={0:0}, arg={0:0}, b=5368709119] [L718] COND TRUE 2 a!=b VAL [a=-21474836479, arg={0:0}, arg={0:0}, b=5368709119] [L711] CALL 1 __VERIFIER_atomic_dec_a() [L698] 1 a>b [L698] COND FALSE 1 !(a>b) [L711] RET 1 __VERIFIER_atomic_dec_a() [L709] 1 a!=b VAL [a=-21474836479, arg={0:0}, arg={0:0}, b=5368709119] [L720] CALL 2 __VERIFIER_atomic_dec_b() [L703] 2 b>a [L703] COND TRUE 2 b>a [L704] EXPR 2 b-a [L704] 2 b=b-a [L720] RET 2 __VERIFIER_atomic_dec_b() [L709] 1 a!=b VAL [a=-21474836479, arg={0:0}, arg={0:0}, b=26843545598] Now there is a data race on ~b~0 between C: b=b-a [704] and C: a!=b [709] - UnprovableResult [Line: 709]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 698]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 699]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 699]: 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: dec_aThread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 230 locations, 35 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 14, 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, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 449 NumberOfCodeBlocks, 449 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 317 ConstructedInterpolants, 0 QuantifiedInterpolants, 402 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 120/120 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-10 10:46:14,608 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-11-10 10:46:14,805 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...