/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-deagle/reorder_c11_bad-20.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-44940e9-m [2022-11-10 12:56:01,810 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-10 12:56:01,812 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-10 12:56:01,846 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-11-10 12:56:01,862 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-10 12:56:01,863 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-10 12:56:01,864 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-10 12:56:01,865 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-10 12:56:01,866 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-10 12:56:01,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-10 12:56:01,868 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-10 12:56:01,872 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-10 12:56:01,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-10 12:56:01,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-10 12:56:01,875 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-10 12:56:01,876 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-10 12:56:01,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-11-10 12:56:01,887 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-10 12:56:01,887 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-10 12:56:01,888 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-10 12:56:01,888 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder-VarAbsGlobalSyntactic.epf [2022-11-10 12:56:01,911 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-10 12:56:01,911 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-10 12:56:01,911 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-10 12:56:01,912 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-10 12:56:01,912 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-10 12:56:01,912 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-10 12:56:01,913 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-10 12:56:01,913 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-10 12:56:01,913 INFO L138 SettingsManager]: * Use SBE=true [2022-11-10 12:56:01,913 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-10 12:56:01,914 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-10 12:56:01,914 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-10 12:56:01,914 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-10 12:56:01,914 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-10 12:56:01,914 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-10 12:56:01,914 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-10 12:56:01,914 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-10 12:56:01,914 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-10 12:56:01,914 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-10 12:56:01,914 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-10 12:56:01,915 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-10 12:56:01,915 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-10 12:56:01,915 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-10 12:56:01,916 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-10 12:56:01,916 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-10 12:56:01,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-10 12:56:01,916 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-10 12:56:01,916 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-10 12:56:01,916 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-10 12:56:01,916 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-10 12:56:01,916 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-10 12:56:01,916 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-10 12:56:01,917 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-10 12:56:01,917 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-10 12:56:01,917 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-10 12:56:01,917 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-10 12:56:01,917 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-10 12:56:01,917 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-10 12:56:01,917 INFO L138 SettingsManager]: * Independence relation used for POR in concurrent analysis=SYNTACTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-11-10 12:56:02,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-10 12:56:02,114 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-10 12:56:02,117 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-10 12:56:02,118 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-10 12:56:02,119 INFO L275 PluginConnector]: CDTParser initialized [2022-11-10 12:56:02,120 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-deagle/reorder_c11_bad-20.i [2022-11-10 12:56:02,171 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d9e2b3b6/a9f811c8a1f64060a6dafd40bed06076/FLAG64dc35219 [2022-11-10 12:56:02,518 INFO L306 CDTParser]: Found 1 translation units. [2022-11-10 12:56:02,518 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/reorder_c11_bad-20.i [2022-11-10 12:56:02,526 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d9e2b3b6/a9f811c8a1f64060a6dafd40bed06076/FLAG64dc35219 [2022-11-10 12:56:02,534 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d9e2b3b6/a9f811c8a1f64060a6dafd40bed06076 [2022-11-10 12:56:02,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-10 12:56:02,537 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-10 12:56:02,538 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-10 12:56:02,538 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-10 12:56:02,540 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-10 12:56:02,541 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:56:02" (1/1) ... [2022-11-10 12:56:02,542 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5847b35e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:56:02, skipping insertion in model container [2022-11-10 12:56:02,542 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 12:56:02" (1/1) ... [2022-11-10 12:56:02,546 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-10 12:56:02,567 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-10 12:56:02,783 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-deagle/reorder_c11_bad-20.i[30190,30203] [2022-11-10 12:56:02,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-10 12:56:02,797 INFO L203 MainTranslator]: Completed pre-run [2022-11-10 12:56:02,821 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-deagle/reorder_c11_bad-20.i[30190,30203] [2022-11-10 12:56:02,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-10 12:56:02,853 INFO L208 MainTranslator]: Completed translation [2022-11-10 12:56:02,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:56:02 WrapperNode [2022-11-10 12:56:02,853 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-10 12:56:02,854 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-10 12:56:02,854 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-10 12:56:02,854 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-10 12:56:02,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:56:02" (1/1) ... [2022-11-10 12:56:02,888 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:56:02" (1/1) ... [2022-11-10 12:56:02,914 INFO L138 Inliner]: procedures = 163, calls = 21, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 137 [2022-11-10 12:56:02,914 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-10 12:56:02,915 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-10 12:56:02,915 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-10 12:56:02,915 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-10 12:56:02,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:56:02" (1/1) ... [2022-11-10 12:56:02,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:56:02" (1/1) ... [2022-11-10 12:56:02,932 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:56:02" (1/1) ... [2022-11-10 12:56:02,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:56:02" (1/1) ... [2022-11-10 12:56:02,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:56:02" (1/1) ... [2022-11-10 12:56:02,944 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:56:02" (1/1) ... [2022-11-10 12:56:02,946 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:56:02" (1/1) ... [2022-11-10 12:56:02,947 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:56:02" (1/1) ... [2022-11-10 12:56:02,949 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-10 12:56:02,949 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-10 12:56:02,949 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-10 12:56:02,949 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-10 12:56:02,957 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:56:02" (1/1) ... [2022-11-10 12:56:02,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-10 12:56:02,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 12:56:02,987 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-10 12:56:02,997 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-10 12:56:03,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-10 12:56:03,013 INFO L130 BoogieDeclarations]: Found specification of procedure setThread [2022-11-10 12:56:03,013 INFO L138 BoogieDeclarations]: Found implementation of procedure setThread [2022-11-10 12:56:03,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-10 12:56:03,013 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-10 12:56:03,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-10 12:56:03,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-10 12:56:03,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-10 12:56:03,013 INFO L130 BoogieDeclarations]: Found specification of procedure checkThread [2022-11-10 12:56:03,013 INFO L138 BoogieDeclarations]: Found implementation of procedure checkThread [2022-11-10 12:56:03,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-10 12:56:03,013 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-10 12:56:03,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-10 12:56:03,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-10 12:56:03,015 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-10 12:56:03,097 INFO L235 CfgBuilder]: Building ICFG [2022-11-10 12:56:03,098 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-10 12:56:03,344 INFO L276 CfgBuilder]: Performing block encoding [2022-11-10 12:56:03,378 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-10 12:56:03,378 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-10 12:56:03,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:56:03 BoogieIcfgContainer [2022-11-10 12:56:03,380 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-10 12:56:03,382 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-10 12:56:03,382 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-10 12:56:03,384 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-10 12:56:03,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 12:56:02" (1/3) ... [2022-11-10 12:56:03,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@477165eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:56:03, skipping insertion in model container [2022-11-10 12:56:03,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 12:56:02" (2/3) ... [2022-11-10 12:56:03,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@477165eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 12:56:03, skipping insertion in model container [2022-11-10 12:56:03,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 12:56:03" (3/3) ... [2022-11-10 12:56:03,386 INFO L112 eAbstractionObserver]: Analyzing ICFG reorder_c11_bad-20.i [2022-11-10 12:56:03,392 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-10 12:56:03,407 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-10 12:56:03,407 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2022-11-10 12:56:03,407 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-10 12:56:03,463 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-11-10 12:56:03,529 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 12:56:03,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 12:56:03,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 12:56:03,531 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-10 12:56:03,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-11-10 12:56:03,580 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 12:56:03,589 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == checkThreadThread1of1ForFork1 ======== [2022-11-10 12:56:03,594 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;@31476136, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 12:56:03,594 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-10 12:56:03,786 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting checkThreadErr0ASSERT_VIOLATIONDATA_RACE === [checkThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 12:56:03,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:56:03,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1876363139, now seen corresponding path program 1 times [2022-11-10 12:56:03,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:56:03,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704995263] [2022-11-10 12:56:03,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:03,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:56:03,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:03,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-10 12:56:03,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:56:03,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704995263] [2022-11-10 12:56:03,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704995263] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 12:56:03,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 12:56:03,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-10 12:56:03,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021821635] [2022-11-10 12:56:03,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 12:56:03,986 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 12:56:03,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:56:04,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 12:56:04,001 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-10 12:56:04,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:04,004 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:56:04,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) 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) [2022-11-10 12:56:04,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:04,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:04,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-10 12:56:04,129 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting checkThreadErr0ASSERT_VIOLATIONDATA_RACE === [checkThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 12:56:04,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:56:04,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1037032712, now seen corresponding path program 1 times [2022-11-10 12:56:04,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:56:04,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084565449] [2022-11-10 12:56:04,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:04,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:56:04,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:04,328 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-10 12:56:04,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:56:04,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084565449] [2022-11-10 12:56:04,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084565449] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 12:56:04,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1880553119] [2022-11-10 12:56:04,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:04,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 12:56:04,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 12:56:04,331 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 12:56:04,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-10 12:56:04,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:04,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 12:56:04,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 12:56:04,441 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-10 12:56:04,441 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 12:56:04,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1880553119] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 12:56:04,442 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 12:56:04,442 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-10 12:56:04,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049665821] [2022-11-10 12:56:04,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 12:56:04,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 12:56:04,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:56:04,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 12:56:04,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-10 12:56:04,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:04,445 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:56:04,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 12:56:04,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:04,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:04,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:04,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:04,546 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-10 12:56:04,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-11-10 12:56:04,735 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting checkThreadErr1ASSERT_VIOLATIONDATA_RACE === [checkThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 12:56:04,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:56:04,737 INFO L85 PathProgramCache]: Analyzing trace with hash -369020756, now seen corresponding path program 1 times [2022-11-10 12:56:04,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:56:04,739 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120621601] [2022-11-10 12:56:04,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:04,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:56:04,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:04,845 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-10 12:56:04,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:56:04,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120621601] [2022-11-10 12:56:04,846 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120621601] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 12:56:04,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [536514723] [2022-11-10 12:56:04,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:04,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 12:56:04,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 12:56:04,849 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 12:56:04,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-10 12:56:04,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:04,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 12:56:04,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 12:56:04,990 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-10 12:56:04,991 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 12:56:04,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [536514723] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 12:56:04,991 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 12:56:04,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-10 12:56:04,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250982632] [2022-11-10 12:56:04,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 12:56:04,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 12:56:04,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:56:04,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 12:56:04,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-10 12:56:04,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:04,993 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:56:04,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 34.0) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 12:56:04,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:04,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:04,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:05,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:05,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:05,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:05,145 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-10 12:56:05,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 12:56:05,345 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting checkThreadErr3ASSERT_VIOLATIONDATA_RACE === [checkThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 12:56:05,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:56:05,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1220662267, now seen corresponding path program 1 times [2022-11-10 12:56:05,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:56:05,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860113314] [2022-11-10 12:56:05,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:05,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:56:05,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:05,450 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-10 12:56:05,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:56:05,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860113314] [2022-11-10 12:56:05,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860113314] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 12:56:05,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476826707] [2022-11-10 12:56:05,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:05,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 12:56:05,451 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 12:56:05,454 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 12:56:05,455 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-10 12:56:05,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:05,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 12:56:05,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 12:56:05,546 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-10 12:56:05,546 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 12:56:05,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1476826707] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 12:56:05,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 12:56:05,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-10 12:56:05,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963596396] [2022-11-10 12:56:05,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 12:56:05,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 12:56:05,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:56:05,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 12:56:05,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-10 12:56:05,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:05,550 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:56:05,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 12:56:05,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:05,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:05,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:05,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:05,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:05,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:05,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:05,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:05,657 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-10 12:56:05,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 12:56:05,845 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting checkThreadErr3ASSERT_VIOLATIONDATA_RACE === [checkThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 12:56:05,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:56:05,845 INFO L85 PathProgramCache]: Analyzing trace with hash -844058519, now seen corresponding path program 1 times [2022-11-10 12:56:05,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:56:05,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879072743] [2022-11-10 12:56:05,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:05,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:56:05,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:05,937 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-10 12:56:05,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:56:05,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879072743] [2022-11-10 12:56:05,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879072743] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 12:56:05,938 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2001000131] [2022-11-10 12:56:05,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:05,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 12:56:05,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 12:56:05,939 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 12:56:05,968 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-10 12:56:06,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:06,015 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 12:56:06,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 12:56:06,034 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-10 12:56:06,034 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 12:56:06,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2001000131] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 12:56:06,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 12:56:06,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-10 12:56:06,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766385735] [2022-11-10 12:56:06,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 12:56:06,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 12:56:06,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:56:06,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 12:56:06,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-10 12:56:06,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:06,045 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:56:06,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 12:56:06,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:06,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:06,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:06,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:06,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:06,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:06,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:06,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:06,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:06,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:06,137 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-10 12:56:06,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 12:56:06,314 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting checkThreadErr3ASSERT_VIOLATIONDATA_RACE === [checkThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 12:56:06,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:56:06,314 INFO L85 PathProgramCache]: Analyzing trace with hash -699717706, now seen corresponding path program 1 times [2022-11-10 12:56:06,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:56:06,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255172583] [2022-11-10 12:56:06,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:06,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:56:06,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:06,392 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-10 12:56:06,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:56:06,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255172583] [2022-11-10 12:56:06,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255172583] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 12:56:06,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1472140567] [2022-11-10 12:56:06,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:06,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 12:56:06,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 12:56:06,396 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 12:56:06,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-10 12:56:06,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:06,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 12:56:06,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 12:56:06,495 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-10 12:56:06,496 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 12:56:06,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1472140567] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 12:56:06,496 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 12:56:06,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-10 12:56:06,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555605726] [2022-11-10 12:56:06,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 12:56:06,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 12:56:06,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:56:06,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 12:56:06,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-10 12:56:06,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:06,499 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:56:06,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 12:56:06,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:06,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:06,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:06,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:06,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:06,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:06,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:06,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:06,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:06,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:06,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:06,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:06,580 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-10 12:56:06,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 12:56:06,779 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting checkThreadErr3ASSERT_VIOLATIONDATA_RACE === [checkThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 12:56:06,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:56:06,779 INFO L85 PathProgramCache]: Analyzing trace with hash -708132385, now seen corresponding path program 1 times [2022-11-10 12:56:06,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:56:06,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002290478] [2022-11-10 12:56:06,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:06,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:56:06,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:06,860 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-10 12:56:06,861 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:56:06,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002290478] [2022-11-10 12:56:06,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002290478] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 12:56:06,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [639095437] [2022-11-10 12:56:06,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:06,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 12:56:06,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 12:56:06,862 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 12:56:06,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-10 12:56:06,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:06,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 12:56:06,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 12:56:07,101 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-10 12:56:07,102 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 12:56:07,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [639095437] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 12:56:07,102 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 12:56:07,102 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2022-11-10 12:56:07,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698100516] [2022-11-10 12:56:07,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 12:56:07,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-10 12:56:07,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:56:07,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-10 12:56:07,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-10 12:56:07,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:07,104 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:56:07,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 12:56:07,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:07,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:07,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:07,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:07,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:07,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:07,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:07,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:07,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:07,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:07,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:07,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:07,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:07,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-10 12:56:07,210 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-10 12:56:07,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 12:56:07,384 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting checkThreadErr3ASSERT_VIOLATIONDATA_RACE === [checkThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 12:56:07,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:56:07,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1969281265, now seen corresponding path program 2 times [2022-11-10 12:56:07,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:56:07,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176398626] [2022-11-10 12:56:07,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:07,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:56:07,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:07,457 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-10 12:56:07,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:56:07,457 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176398626] [2022-11-10 12:56:07,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176398626] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 12:56:07,458 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [923160428] [2022-11-10 12:56:07,458 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-10 12:56:07,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 12:56:07,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 12:56:07,472 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 12:56:07,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-10 12:56:07,548 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-10 12:56:07,549 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-10 12:56:07,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-10 12:56:07,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 12:56:07,706 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-10 12:56:07,734 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2022-11-10 12:56:07,766 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-10 12:56:07,767 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2022-11-10 12:56:07,798 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-10 12:56:07,799 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2022-11-10 12:56:07,839 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-10 12:56:07,840 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 12:56:07,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [923160428] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 12:56:07,840 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 12:56:07,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 11 [2022-11-10 12:56:07,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869903604] [2022-11-10 12:56:07,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 12:56:07,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-10 12:56:07,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:56:07,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-10 12:56:07,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-11-10 12:56:07,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:07,844 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:56:07,844 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 8 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 12:56:07,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:07,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:07,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:07,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:07,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:07,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:07,844 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-10 12:56:07,845 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:07,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:07,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:07,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:07,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:07,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:07,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:07,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-10 12:56:07,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-10 12:56:07,985 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-10 12:56:08,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-10 12:56:08,168 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting checkThreadErr3ASSERT_VIOLATIONDATA_RACE === [checkThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 12:56:08,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:56:08,168 INFO L85 PathProgramCache]: Analyzing trace with hash -582875696, now seen corresponding path program 1 times [2022-11-10 12:56:08,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:56:08,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151882205] [2022-11-10 12:56:08,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:08,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:56:08,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:08,226 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-10 12:56:08,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:56:08,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151882205] [2022-11-10 12:56:08,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151882205] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 12:56:08,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1195913787] [2022-11-10 12:56:08,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:08,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 12:56:08,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 12:56:08,228 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 12:56:08,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-10 12:56:08,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:08,304 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-10 12:56:08,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 12:56:08,366 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-10 12:56:08,366 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 12:56:08,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1195913787] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 12:56:08,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 12:56:08,367 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-11-10 12:56:08,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910779126] [2022-11-10 12:56:08,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 12:56:08,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-10 12:56:08,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:56:08,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-10 12:56:08,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-10 12:56:08,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:08,370 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:56:08,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 12:56:08,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:08,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:08,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:08,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:08,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:08,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:08,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-10 12:56:08,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-10 12:56:08,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:08,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:08,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:08,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:08,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:08,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:08,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:08,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-10 12:56:08,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-10 12:56:08,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-10 12:56:08,631 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-10 12:56:08,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 12:56:08,802 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting checkThreadErr1ASSERT_VIOLATIONDATA_RACE === [checkThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 12:56:08,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:56:08,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1910757731, now seen corresponding path program 1 times [2022-11-10 12:56:08,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:56:08,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324192148] [2022-11-10 12:56:08,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:08,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:56:08,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:08,850 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-10 12:56:08,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:56:08,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324192148] [2022-11-10 12:56:08,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324192148] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 12:56:08,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1607535028] [2022-11-10 12:56:08,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:08,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 12:56:08,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 12:56:08,852 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 12:56:08,877 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-10 12:56:08,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:08,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-10 12:56:08,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 12:56:08,994 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-10 12:56:08,995 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-10 12:56:09,038 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-10 12:56:09,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1607535028] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-10 12:56:09,039 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-10 12:56:09,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-11-10 12:56:09,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475185201] [2022-11-10 12:56:09,039 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-10 12:56:09,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-10 12:56:09,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:56:09,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-10 12:56:09,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-10 12:56:09,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:09,042 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:56:09,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.9) internal successors, (149), 10 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 12:56:09,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:09,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:09,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:09,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:09,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:09,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:09,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-10 12:56:09,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-10 12:56:09,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-10 12:56:09,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:09,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:09,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:09,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:09,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:09,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:09,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:09,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-10 12:56:09,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-10 12:56:09,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-10 12:56:09,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-10 12:56:09,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location checkThreadErr0ASSERT_VIOLATIONDATA_RACE (3 of 4 remaining) [2022-11-10 12:56:09,087 INFO L805 garLoopResultBuilder]: Registering result SAFE for location checkThreadErr1ASSERT_VIOLATIONDATA_RACE (2 of 4 remaining) [2022-11-10 12:56:09,088 INFO L805 garLoopResultBuilder]: Registering result SAFE for location checkThreadErr2ASSERT_VIOLATIONDATA_RACE (1 of 4 remaining) [2022-11-10 12:56:09,088 INFO L805 garLoopResultBuilder]: Registering result SAFE for location checkThreadErr3ASSERT_VIOLATIONDATA_RACE (0 of 4 remaining) [2022-11-10 12:56:09,121 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-10 12:56:09,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-10 12:56:09,308 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-10 12:56:09,310 INFO L307 ceAbstractionStarter]: Result for error location checkThreadThread1of1ForFork1 was SAFE,SAFE,SAFE,SAFE (1/3) [2022-11-10 12:56:09,314 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 12:56:09,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 12:56:09,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 12:56:09,328 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-10 12:56:09,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (12)] Waiting until timeout for monitored process [2022-11-10 12:56:09,331 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 12:56:09,331 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == setThreadThread1of1ForFork0 ======== [2022-11-10 12:56:09,332 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;@31476136, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 12:56:09,332 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-10 12:56:09,412 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting setThreadErr0ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 12:56:09,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:56:09,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1728798738, now seen corresponding path program 1 times [2022-11-10 12:56:09,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:56:09,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1927446072] [2022-11-10 12:56:09,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:09,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:56:09,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:09,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-10 12:56:09,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:56:09,424 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1927446072] [2022-11-10 12:56:09,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1927446072] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 12:56:09,424 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 12:56:09,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-10 12:56:09,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750399755] [2022-11-10 12:56:09,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 12:56:09,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-10 12:56:09,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:56:09,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-10 12:56:09,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-10 12:56:09,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:09,427 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:56:09,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 37.0) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 12:56:09,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:09,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:09,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location setThreadErr0ASSERT_VIOLATIONDATA_RACE (1 of 2 remaining) [2022-11-10 12:56:09,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location setThreadErr1ASSERT_VIOLATIONDATA_RACE (0 of 2 remaining) [2022-11-10 12:56:09,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-10 12:56:09,739 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-10 12:56:09,739 INFO L307 ceAbstractionStarter]: Result for error location setThreadThread1of1ForFork0 was SAFE,SAFE (2/3) [2022-11-10 12:56:09,743 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 12:56:09,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 12:56:09,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 12:56:09,744 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-10 12:56:09,749 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 12:56:09,749 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-11-10 12:56:09,749 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;@31476136, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 12:56:09,749 INFO L358 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2022-11-10 12:56:09,760 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2022-11-10 12:56:09,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:56:09,760 INFO L85 PathProgramCache]: Analyzing trace with hash 534724535, now seen corresponding path program 1 times [2022-11-10 12:56:09,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:56:09,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962889037] [2022-11-10 12:56:09,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:09,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:56:09,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (13)] Waiting until timeout for monitored process [2022-11-10 12:56:09,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:09,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-10 12:56:09,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:56:09,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962889037] [2022-11-10 12:56:09,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962889037] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 12:56:09,773 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 12:56:09,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-10 12:56:09,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288729348] [2022-11-10 12:56:09,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 12:56:09,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 12:56:09,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:56:09,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 12:56:09,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-10 12:56:09,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:09,774 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:56:09,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 12:56:09,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:09,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:09,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-10 12:56:09,780 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2022-11-10 12:56:09,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:56:09,780 INFO L85 PathProgramCache]: Analyzing trace with hash -54656402, now seen corresponding path program 1 times [2022-11-10 12:56:09,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:56:09,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519027893] [2022-11-10 12:56:09,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:09,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:56:09,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:09,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-10 12:56:09,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:56:09,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519027893] [2022-11-10 12:56:09,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519027893] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 12:56:09,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 12:56:09,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-10 12:56:09,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979532502] [2022-11-10 12:56:09,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 12:56:09,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 12:56:09,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:56:09,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 12:56:09,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-10 12:56:09,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:09,795 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:56:09,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 12:56:09,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:09,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:09,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:09,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:09,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-10 12:56:09,803 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2022-11-10 12:56:09,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:56:09,804 INFO L85 PathProgramCache]: Analyzing trace with hash -2045341073, now seen corresponding path program 1 times [2022-11-10 12:56:09,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:56:09,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985114036] [2022-11-10 12:56:09,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:09,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:56:09,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:09,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-10 12:56:09,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:56:09,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985114036] [2022-11-10 12:56:09,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985114036] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 12:56:09,821 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 12:56:09,821 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-10 12:56:09,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190840337] [2022-11-10 12:56:09,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 12:56:09,822 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 12:56:09,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:56:09,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 12:56:09,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-10 12:56:09,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:09,823 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:56:09,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 12:56:09,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:09,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:09,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:09,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:09,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:09,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:09,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-10 12:56:09,890 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2022-11-10 12:56:09,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:56:09,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1824961802, now seen corresponding path program 1 times [2022-11-10 12:56:09,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:56:09,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42968197] [2022-11-10 12:56:09,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:09,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:56:09,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:09,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-10 12:56:09,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:56:09,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42968197] [2022-11-10 12:56:09,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42968197] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 12:56:09,920 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 12:56:09,920 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-10 12:56:09,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082131703] [2022-11-10 12:56:09,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 12:56:09,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 12:56:09,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:56:09,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 12:56:09,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-10 12:56:09,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:09,921 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:56:09,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 22.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 12:56:09,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:09,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:09,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:09,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:09,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:09,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:09,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:09,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:09,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-10 12:56:09,940 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2022-11-10 12:56:09,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:56:09,941 INFO L85 PathProgramCache]: Analyzing trace with hash -474470198, now seen corresponding path program 1 times [2022-11-10 12:56:09,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:56:09,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471079028] [2022-11-10 12:56:09,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:09,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:56:09,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:09,973 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-10 12:56:09,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:56:09,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471079028] [2022-11-10 12:56:09,973 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471079028] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 12:56:09,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [177710714] [2022-11-10 12:56:09,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:09,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 12:56:09,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 12:56:09,984 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 12:56:10,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-11-10 12:56:10,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:10,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 12:56:10,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 12:56:10,047 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-10 12:56:10,047 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 12:56:10,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [177710714] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 12:56:10,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 12:56:10,047 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-10 12:56:10,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896798149] [2022-11-10 12:56:10,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 12:56:10,047 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 12:56:10,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:56:10,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 12:56:10,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-10 12:56:10,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:10,048 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:56:10,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 25.5) internal successors, (51), 3 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 12:56:10,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:10,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:10,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:10,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:10,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:10,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:10,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:10,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:10,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:10,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:10,125 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-11-10 12:56:10,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-10 12:56:10,326 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2022-11-10 12:56:10,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:56:10,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1872907888, now seen corresponding path program 1 times [2022-11-10 12:56:10,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:56:10,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905454242] [2022-11-10 12:56:10,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:10,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:56:10,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:10,379 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-10 12:56:10,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:56:10,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905454242] [2022-11-10 12:56:10,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905454242] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 12:56:10,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1566219670] [2022-11-10 12:56:10,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:10,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 12:56:10,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 12:56:10,381 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 12:56:10,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-11-10 12:56:10,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:10,443 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 12:56:10,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 12:56:10,449 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-10 12:56:10,449 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 12:56:10,449 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1566219670] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 12:56:10,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 12:56:10,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-10 12:56:10,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204174420] [2022-11-10 12:56:10,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 12:56:10,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 12:56:10,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:56:10,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 12:56:10,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-10 12:56:10,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:10,451 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:56:10,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 35.0) internal successors, (70), 3 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 12:56:10,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:10,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:10,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:10,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:10,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:10,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:10,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:10,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:10,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:10,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:10,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:10,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:10,505 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-11-10 12:56:10,705 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 12:56:10,705 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2022-11-10 12:56:10,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:56:10,705 INFO L85 PathProgramCache]: Analyzing trace with hash -1470332127, now seen corresponding path program 1 times [2022-11-10 12:56:10,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:56:10,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673430336] [2022-11-10 12:56:10,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:10,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:56:10,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:10,742 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-10 12:56:10,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:56:10,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673430336] [2022-11-10 12:56:10,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673430336] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 12:56:10,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1800125329] [2022-11-10 12:56:10,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:10,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 12:56:10,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 12:56:10,744 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 12:56:10,771 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-11-10 12:56:10,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:10,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 12:56:10,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 12:56:10,836 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-10 12:56:10,837 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 12:56:10,837 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1800125329] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 12:56:10,837 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 12:56:10,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-10 12:56:10,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429003084] [2022-11-10 12:56:10,837 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 12:56:10,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 12:56:10,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:56:10,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 12:56:10,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-10 12:56:10,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:10,838 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:56:10,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 38.5) internal successors, (77), 3 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 12:56:10,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:10,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:10,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:10,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:10,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:10,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:10,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:10,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:10,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:10,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:10,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:10,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:10,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:10,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:10,913 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-11-10 12:56:11,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-10 12:56:11,107 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2022-11-10 12:56:11,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:56:11,108 INFO L85 PathProgramCache]: Analyzing trace with hash 672804554, now seen corresponding path program 1 times [2022-11-10 12:56:11,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:56:11,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560123826] [2022-11-10 12:56:11,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:11,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:56:11,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:11,156 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-10 12:56:11,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:56:11,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560123826] [2022-11-10 12:56:11,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560123826] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 12:56:11,156 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1184088918] [2022-11-10 12:56:11,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:11,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 12:56:11,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 12:56:11,158 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 12:56:11,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-11-10 12:56:11,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:11,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-10 12:56:11,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 12:56:11,259 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-10 12:56:11,259 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-10 12:56:11,296 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-10 12:56:11,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1184088918] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-10 12:56:11,296 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-10 12:56:11,296 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-11-10 12:56:11,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681686537] [2022-11-10 12:56:11,297 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-10 12:56:11,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-10 12:56:11,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:56:11,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-10 12:56:11,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-10 12:56:11,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:11,298 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:56:11,299 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 13.9) internal successors, (139), 10 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 12:56:11,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:11,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:11,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:11,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:11,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:11,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:11,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:11,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:11,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:11,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:11,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:11,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:11,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:11,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:11,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:11,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-10 12:56:11,341 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-11-10 12:56:11,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 12:56:11,542 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (and 21 more)] === [2022-11-10 12:56:11,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:56:11,542 INFO L85 PathProgramCache]: Analyzing trace with hash -252428761, now seen corresponding path program 1 times [2022-11-10 12:56:11,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:56:11,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107705883] [2022-11-10 12:56:11,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:11,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:56:11,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-10 12:56:11,556 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-10 12:56:11,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-10 12:56:11,588 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-10 12:56:11,588 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-10 12:56:11,588 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 24 remaining) [2022-11-10 12:56:11,589 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (22 of 24 remaining) [2022-11-10 12:56:11,589 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (21 of 24 remaining) [2022-11-10 12:56:11,589 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (20 of 24 remaining) [2022-11-10 12:56:11,589 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (19 of 24 remaining) [2022-11-10 12:56:11,589 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (18 of 24 remaining) [2022-11-10 12:56:11,589 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (17 of 24 remaining) [2022-11-10 12:56:11,589 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (16 of 24 remaining) [2022-11-10 12:56:11,589 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (15 of 24 remaining) [2022-11-10 12:56:11,589 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (14 of 24 remaining) [2022-11-10 12:56:11,589 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (13 of 24 remaining) [2022-11-10 12:56:11,589 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (12 of 24 remaining) [2022-11-10 12:56:11,589 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (11 of 24 remaining) [2022-11-10 12:56:11,590 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (10 of 24 remaining) [2022-11-10 12:56:11,590 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (9 of 24 remaining) [2022-11-10 12:56:11,590 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (8 of 24 remaining) [2022-11-10 12:56:11,590 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (7 of 24 remaining) [2022-11-10 12:56:11,590 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (6 of 24 remaining) [2022-11-10 12:56:11,590 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (5 of 24 remaining) [2022-11-10 12:56:11,590 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (4 of 24 remaining) [2022-11-10 12:56:11,590 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (3 of 24 remaining) [2022-11-10 12:56:11,591 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (2 of 24 remaining) [2022-11-10 12:56:11,591 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (1 of 24 remaining) [2022-11-10 12:56:11,591 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 24 remaining) [2022-11-10 12:56:11,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-10 12:56:11,595 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-10 12:56:11,595 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN (3/3) [2022-11-10 12:56:11,596 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-11-10 12:56:11,596 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-11-10 12:56:11,632 INFO L144 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2022-11-10 12:56:11,635 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 12:56:11,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 12:56:11,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 12:56:11,637 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-10 12:56:11,642 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 12:56:11,643 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == checkThreadThread1of2ForFork1 ======== [2022-11-10 12:56:11,643 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;@31476136, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 12:56:11,643 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-10 12:56:11,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (18)] Waiting until timeout for monitored process [2022-11-10 12:56:11,719 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting checkThreadErr0ASSERT_VIOLATIONDATA_RACE === [checkThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 12:56:11,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:56:11,719 INFO L85 PathProgramCache]: Analyzing trace with hash -176933987, now seen corresponding path program 1 times [2022-11-10 12:56:11,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:56:11,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985280341] [2022-11-10 12:56:11,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:11,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:56:11,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:11,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-10 12:56:11,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:56:11,748 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1985280341] [2022-11-10 12:56:11,748 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1985280341] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 12:56:11,748 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 12:56:11,748 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-10 12:56:11,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591287492] [2022-11-10 12:56:11,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 12:56:11,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 12:56:11,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:56:11,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 12:56:11,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-10 12:56:11,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:11,749 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:56:11,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) 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) [2022-11-10 12:56:11,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:11,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:11,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-10 12:56:11,781 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting checkThreadErr0ASSERT_VIOLATIONDATA_RACE === [checkThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 12:56:11,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:56:11,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1281843978, now seen corresponding path program 1 times [2022-11-10 12:56:11,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:56:11,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727615324] [2022-11-10 12:56:11,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:11,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:56:11,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:11,834 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-10 12:56:11,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:56:11,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727615324] [2022-11-10 12:56:11,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727615324] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 12:56:11,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [176531769] [2022-11-10 12:56:11,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:11,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 12:56:11,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 12:56:11,848 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 12:56:11,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-11-10 12:56:11,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:11,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 12:56:11,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 12:56:11,921 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-10 12:56:11,921 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 12:56:11,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [176531769] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 12:56:11,921 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 12:56:11,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-10 12:56:11,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981918629] [2022-11-10 12:56:11,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 12:56:11,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 12:56:11,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:56:11,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 12:56:11,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-10 12:56:11,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:11,922 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:56:11,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 32.0) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 12:56:11,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:11,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:11,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:11,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:11,957 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-11-10 12:56:12,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 12:56:12,152 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting checkThreadErr1ASSERT_VIOLATIONDATA_RACE === [checkThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 12:56:12,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:56:12,152 INFO L85 PathProgramCache]: Analyzing trace with hash -834134310, now seen corresponding path program 1 times [2022-11-10 12:56:12,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:56:12,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536820875] [2022-11-10 12:56:12,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:12,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:56:12,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:12,189 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-10 12:56:12,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:56:12,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536820875] [2022-11-10 12:56:12,189 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536820875] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 12:56:12,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1575380651] [2022-11-10 12:56:12,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:12,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 12:56:12,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 12:56:12,191 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 12:56:12,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-11-10 12:56:12,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:12,261 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 12:56:12,261 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 12:56:12,280 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-10 12:56:12,281 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 12:56:12,281 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1575380651] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 12:56:12,281 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 12:56:12,281 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-10 12:56:12,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140398595] [2022-11-10 12:56:12,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 12:56:12,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 12:56:12,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:56:12,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 12:56:12,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-10 12:56:12,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:12,282 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:56:12,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 34.0) internal successors, (68), 3 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 12:56:12,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:12,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:12,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:12,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:12,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:12,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:12,398 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-11-10 12:56:12,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 12:56:12,596 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting checkThreadErr3ASSERT_VIOLATIONDATA_RACE === [checkThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 12:56:12,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:56:12,596 INFO L85 PathProgramCache]: Analyzing trace with hash 4884400, now seen corresponding path program 1 times [2022-11-10 12:56:12,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:56:12,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559523532] [2022-11-10 12:56:12,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:12,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:56:12,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:12,654 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-10 12:56:12,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:56:12,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559523532] [2022-11-10 12:56:12,655 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559523532] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 12:56:12,655 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1307638578] [2022-11-10 12:56:12,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:12,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 12:56:12,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 12:56:12,664 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 12:56:12,687 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-11-10 12:56:12,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:12,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 12:56:12,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 12:56:12,744 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-10 12:56:12,744 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 12:56:12,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1307638578] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 12:56:12,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 12:56:12,744 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-10 12:56:12,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537252138] [2022-11-10 12:56:12,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 12:56:12,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 12:56:12,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:56:12,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 12:56:12,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-10 12:56:12,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:12,746 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:56:12,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 12:56:12,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:12,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:12,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:12,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:12,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:12,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:12,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:12,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:12,833 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2022-11-10 12:56:13,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2022-11-10 12:56:13,031 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting checkThreadErr3ASSERT_VIOLATIONDATA_RACE === [checkThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 12:56:13,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:56:13,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1623458288, now seen corresponding path program 1 times [2022-11-10 12:56:13,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:56:13,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090234502] [2022-11-10 12:56:13,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:13,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:56:13,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:13,072 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-10 12:56:13,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:56:13,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090234502] [2022-11-10 12:56:13,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090234502] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 12:56:13,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [123269604] [2022-11-10 12:56:13,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:13,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 12:56:13,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 12:56:13,088 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 12:56:13,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2022-11-10 12:56:13,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:13,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 12:56:13,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 12:56:13,169 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-10 12:56:13,169 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 12:56:13,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [123269604] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 12:56:13,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 12:56:13,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-10 12:56:13,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005969533] [2022-11-10 12:56:13,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 12:56:13,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 12:56:13,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:56:13,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 12:56:13,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-10 12:56:13,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:13,171 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:56:13,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 12:56:13,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:13,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:13,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:13,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:13,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:13,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:13,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:13,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:13,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:13,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:13,276 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2022-11-10 12:56:13,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-11-10 12:56:13,471 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting checkThreadErr3ASSERT_VIOLATIONDATA_RACE === [checkThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 12:56:13,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:56:13,472 INFO L85 PathProgramCache]: Analyzing trace with hash 344396587, now seen corresponding path program 1 times [2022-11-10 12:56:13,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:56:13,472 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802844376] [2022-11-10 12:56:13,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:13,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:56:13,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:13,519 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-10 12:56:13,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:56:13,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802844376] [2022-11-10 12:56:13,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802844376] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 12:56:13,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [488713810] [2022-11-10 12:56:13,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:13,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 12:56:13,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 12:56:13,521 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 12:56:13,542 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2022-11-10 12:56:13,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:13,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 12:56:13,615 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 12:56:13,621 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-10 12:56:13,622 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 12:56:13,622 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [488713810] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 12:56:13,622 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 12:56:13,622 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-10 12:56:13,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715743210] [2022-11-10 12:56:13,622 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 12:56:13,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 12:56:13,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:56:13,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 12:56:13,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-10 12:56:13,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:13,623 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:56:13,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 12:56:13,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:13,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:13,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:13,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:13,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:13,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:13,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:13,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:13,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:13,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:13,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:13,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:13,736 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2022-11-10 12:56:13,927 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2022-11-10 12:56:13,927 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting checkThreadErr3ASSERT_VIOLATIONDATA_RACE === [checkThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 12:56:13,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:56:13,928 INFO L85 PathProgramCache]: Analyzing trace with hash 1352620756, now seen corresponding path program 1 times [2022-11-10 12:56:13,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:56:13,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177531895] [2022-11-10 12:56:13,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:13,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:56:13,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:13,975 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-10 12:56:13,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:56:13,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177531895] [2022-11-10 12:56:13,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177531895] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 12:56:13,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [845423210] [2022-11-10 12:56:13,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:13,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 12:56:13,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 12:56:13,977 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 12:56:14,002 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2022-11-10 12:56:14,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:14,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 12:56:14,056 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 12:56:14,113 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-10 12:56:14,113 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 12:56:14,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [845423210] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 12:56:14,113 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 12:56:14,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2022-11-10 12:56:14,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546776222] [2022-11-10 12:56:14,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 12:56:14,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-10 12:56:14,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:56:14,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-10 12:56:14,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-10 12:56:14,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:14,115 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:56:14,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 4 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 12:56:14,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:14,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:14,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:14,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:14,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:14,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:14,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:14,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:14,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:14,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:14,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:14,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:14,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:14,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-10 12:56:14,235 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2022-11-10 12:56:14,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 12:56:14,432 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting checkThreadErr3ASSERT_VIOLATIONDATA_RACE === [checkThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 12:56:14,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:56:14,433 INFO L85 PathProgramCache]: Analyzing trace with hash 1767689702, now seen corresponding path program 2 times [2022-11-10 12:56:14,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:56:14,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882409265] [2022-11-10 12:56:14,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:14,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:56:14,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:14,476 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-10 12:56:14,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:56:14,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882409265] [2022-11-10 12:56:14,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882409265] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 12:56:14,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1775083172] [2022-11-10 12:56:14,476 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-10 12:56:14,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 12:56:14,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 12:56:14,477 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 12:56:14,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2022-11-10 12:56:14,547 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-10 12:56:14,547 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-10 12:56:14,548 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 21 conjunts are in the unsatisfiable core [2022-11-10 12:56:14,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 12:56:14,686 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-10 12:56:14,706 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2022-11-10 12:56:14,726 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-10 12:56:14,727 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 42 [2022-11-10 12:56:14,757 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-10 12:56:14,757 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 57 [2022-11-10 12:56:14,795 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-10 12:56:14,795 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 12:56:14,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1775083172] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 12:56:14,795 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 12:56:14,796 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 11 [2022-11-10 12:56:14,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993354698] [2022-11-10 12:56:14,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 12:56:14,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-10 12:56:14,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:56:14,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-10 12:56:14,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2022-11-10 12:56:14,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:14,798 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:56:14,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.5) internal successors, (108), 8 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 12:56:14,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:14,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:14,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:14,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:14,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:14,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:14,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-10 12:56:14,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:14,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:14,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:14,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:14,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:14,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:14,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:14,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-10 12:56:14,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-10 12:56:14,946 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2022-11-10 12:56:15,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2022-11-10 12:56:15,145 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting checkThreadErr3ASSERT_VIOLATIONDATA_RACE === [checkThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 12:56:15,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:56:15,146 INFO L85 PathProgramCache]: Analyzing trace with hash -784467259, now seen corresponding path program 1 times [2022-11-10 12:56:15,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:56:15,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703684031] [2022-11-10 12:56:15,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:15,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:56:15,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:15,191 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-10 12:56:15,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:56:15,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703684031] [2022-11-10 12:56:15,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703684031] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 12:56:15,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [108756938] [2022-11-10 12:56:15,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:15,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 12:56:15,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 12:56:15,192 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 12:56:15,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2022-11-10 12:56:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:15,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-10 12:56:15,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 12:56:15,344 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-10 12:56:15,344 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 12:56:15,344 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [108756938] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 12:56:15,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 12:56:15,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-11-10 12:56:15,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974349549] [2022-11-10 12:56:15,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 12:56:15,345 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-10 12:56:15,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:56:15,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-10 12:56:15,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-10 12:56:15,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:15,346 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:56:15,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 22.0) internal successors, (110), 5 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 12:56:15,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:15,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:15,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:15,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:15,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:15,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:15,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-10 12:56:15,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-10 12:56:15,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:19,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:19,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:19,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:19,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:19,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:19,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:19,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-10 12:56:19,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-10 12:56:19,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-10 12:56:19,258 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2022-11-10 12:56:19,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-11-10 12:56:19,444 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting checkThreadErr1ASSERT_VIOLATIONDATA_RACE === [checkThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 12:56:19,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:56:19,444 INFO L85 PathProgramCache]: Analyzing trace with hash 182059339, now seen corresponding path program 1 times [2022-11-10 12:56:19,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:56:19,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842565843] [2022-11-10 12:56:19,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:19,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:56:19,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:19,570 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-10 12:56:19,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:56:19,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842565843] [2022-11-10 12:56:19,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842565843] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 12:56:19,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1864876464] [2022-11-10 12:56:19,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:19,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 12:56:19,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 12:56:19,573 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 12:56:19,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2022-11-10 12:56:19,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:19,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-10 12:56:19,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 12:56:19,681 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-10 12:56:19,681 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-10 12:56:19,717 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-10 12:56:19,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1864876464] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-10 12:56:19,718 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-10 12:56:19,718 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-11-10 12:56:19,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100081156] [2022-11-10 12:56:19,718 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-10 12:56:19,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-10 12:56:19,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:56:19,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-10 12:56:19,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-10 12:56:19,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:19,720 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:56:19,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 14.9) internal successors, (149), 10 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 12:56:19,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:19,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:19,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:19,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:19,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:19,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:19,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-10 12:56:19,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2022-11-10 12:56:19,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-10 12:56:19,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:19,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:19,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:19,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:19,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:19,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:19,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:56:19,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-10 12:56:19,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-10 12:56:19,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-10 12:56:19,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-10 12:56:19,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location checkThreadErr0ASSERT_VIOLATIONDATA_RACE (3 of 4 remaining) [2022-11-10 12:56:19,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location checkThreadErr1ASSERT_VIOLATIONDATA_RACE (2 of 4 remaining) [2022-11-10 12:56:19,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location checkThreadErr2ASSERT_VIOLATIONDATA_RACE (1 of 4 remaining) [2022-11-10 12:56:19,820 INFO L805 garLoopResultBuilder]: Registering result SAFE for location checkThreadErr3ASSERT_VIOLATIONDATA_RACE (0 of 4 remaining) [2022-11-10 12:56:19,838 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2022-11-10 12:56:20,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 12:56:20,038 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-10 12:56:20,038 INFO L307 ceAbstractionStarter]: Result for error location checkThreadThread1of2ForFork1 was SAFE,SAFE,SAFE,SAFE (1/5) [2022-11-10 12:56:20,040 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 12:56:20,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 12:56:20,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 12:56:20,041 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-10 12:56:20,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (28)] Waiting until timeout for monitored process [2022-11-10 12:56:20,044 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 12:56:20,044 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == setThreadThread1of2ForFork0 ======== [2022-11-10 12:56:20,045 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;@31476136, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 12:56:20,045 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-10 12:56:20,114 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting setThreadErr0ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 12:56:20,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:56:20,114 INFO L85 PathProgramCache]: Analyzing trace with hash 1771327880, now seen corresponding path program 1 times [2022-11-10 12:56:20,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:56:20,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21335826] [2022-11-10 12:56:20,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:56:20,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:56:20,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:56:20,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-10 12:56:20,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:56:20,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21335826] [2022-11-10 12:56:20,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21335826] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 12:56:20,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 12:56:20,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-10 12:56:20,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370317318] [2022-11-10 12:56:20,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 12:56:20,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-10 12:56:20,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:56:20,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-10 12:56:20,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-10 12:56:20,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:56:20,125 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:56:20,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 37.0) internal successors, (37), 2 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 12:56:20,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:57:54,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:57:54,667 INFO L805 garLoopResultBuilder]: Registering result SAFE for location setThreadErr0ASSERT_VIOLATIONDATA_RACE (1 of 2 remaining) [2022-11-10 12:57:54,667 INFO L805 garLoopResultBuilder]: Registering result SAFE for location setThreadErr1ASSERT_VIOLATIONDATA_RACE (0 of 2 remaining) [2022-11-10 12:57:54,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-11-10 12:57:54,668 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-10 12:57:54,668 INFO L307 ceAbstractionStarter]: Result for error location setThreadThread1of2ForFork0 was SAFE,SAFE (2/5) [2022-11-10 12:57:54,670 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 12:57:54,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 12:57:54,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 12:57:54,671 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-10 12:57:54,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (29)] Waiting until timeout for monitored process [2022-11-10 12:57:54,676 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 12:57:54,677 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == checkThreadThread2of2ForFork1 ======== [2022-11-10 12:57:54,677 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;@31476136, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 12:57:54,677 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-10 12:57:54,734 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting checkThreadErr0ASSERT_VIOLATIONDATA_RACE === [checkThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 12:57:54,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:57:54,734 INFO L85 PathProgramCache]: Analyzing trace with hash -1622227317, now seen corresponding path program 1 times [2022-11-10 12:57:54,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:57:54,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798580297] [2022-11-10 12:57:54,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:57:54,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:57:54,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:57:54,751 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-10 12:57:54,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:57:54,751 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [798580297] [2022-11-10 12:57:54,751 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [798580297] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 12:57:54,751 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 12:57:54,751 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-10 12:57:54,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90247299] [2022-11-10 12:57:54,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 12:57:54,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 12:57:54,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:57:54,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 12:57:54,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-10 12:57:54,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:57:54,752 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:57:54,752 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 12:57:54,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:57:54,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:54,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-11-10 12:57:54,785 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting checkThreadErr0ASSERT_VIOLATIONDATA_RACE === [checkThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 12:57:54,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:57:54,785 INFO L85 PathProgramCache]: Analyzing trace with hash 22153572, now seen corresponding path program 1 times [2022-11-10 12:57:54,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:57:54,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572425606] [2022-11-10 12:57:54,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:57:54,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:57:54,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:57:54,821 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-10 12:57:54,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:57:54,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572425606] [2022-11-10 12:57:54,821 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572425606] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 12:57:54,821 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1393731321] [2022-11-10 12:57:54,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:57:54,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 12:57:54,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 12:57:54,823 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 12:57:54,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2022-11-10 12:57:54,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:57:54,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 12:57:54,902 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 12:57:54,907 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-10 12:57:54,907 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 12:57:54,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1393731321] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 12:57:54,907 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 12:57:54,908 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-10 12:57:54,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6844341] [2022-11-10 12:57:54,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 12:57:54,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 12:57:54,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:57:54,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 12:57:54,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-10 12:57:54,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:57:54,909 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:57:54,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 38.0) internal successors, (76), 3 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 12:57:54,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:54,909 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:57:54,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:54,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:54,957 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2022-11-10 12:57:55,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 12:57:55,139 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting checkThreadErr1ASSERT_VIOLATIONDATA_RACE === [checkThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 12:57:55,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:57:55,140 INFO L85 PathProgramCache]: Analyzing trace with hash -1886714488, now seen corresponding path program 1 times [2022-11-10 12:57:55,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:57:55,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524750857] [2022-11-10 12:57:55,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:57:55,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:57:55,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:57:55,650 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-10 12:57:55,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:57:55,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524750857] [2022-11-10 12:57:55,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524750857] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 12:57:55,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [412243206] [2022-11-10 12:57:55,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:57:55,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 12:57:55,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 12:57:55,693 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 12:57:55,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2022-11-10 12:57:55,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:57:55,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 12:57:55,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 12:57:55,793 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-10 12:57:55,793 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 12:57:55,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [412243206] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 12:57:55,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 12:57:55,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-10 12:57:55,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539827824] [2022-11-10 12:57:55,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 12:57:55,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 12:57:55,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:57:55,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 12:57:55,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-10 12:57:55,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:57:55,794 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:57:55,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 40.0) internal successors, (80), 3 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) [2022-11-10 12:57:55,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:55,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:55,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:57:55,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:55,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:55,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:55,883 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Ended with exit code 0 [2022-11-10 12:57:56,082 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2022-11-10 12:57:56,083 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting checkThreadErr3ASSERT_VIOLATIONDATA_RACE === [checkThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 12:57:56,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:57:56,083 INFO L85 PathProgramCache]: Analyzing trace with hash -911225353, now seen corresponding path program 1 times [2022-11-10 12:57:56,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:57:56,083 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300250856] [2022-11-10 12:57:56,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:57:56,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:57:56,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:57:56,123 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-10 12:57:56,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:57:56,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300250856] [2022-11-10 12:57:56,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300250856] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 12:57:56,123 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [199487559] [2022-11-10 12:57:56,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:57:56,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 12:57:56,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 12:57:56,125 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 12:57:56,155 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2022-11-10 12:57:56,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:57:56,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-10 12:57:56,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 12:57:56,288 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-10 12:57:56,288 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 12:57:56,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [199487559] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 12:57:56,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 12:57:56,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2022-11-10 12:57:56,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6282063] [2022-11-10 12:57:56,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 12:57:56,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-10 12:57:56,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:57:56,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-10 12:57:56,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-11-10 12:57:56,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:57:56,290 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:57:56,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 12:57:56,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:56,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:56,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:56,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:57:56,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:56,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:56,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:56,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-10 12:57:56,746 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2022-11-10 12:57:56,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 12:57:56,930 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting checkThreadErr3ASSERT_VIOLATIONDATA_RACE === [checkThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 12:57:56,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:57:56,930 INFO L85 PathProgramCache]: Analyzing trace with hash -1296403233, now seen corresponding path program 1 times [2022-11-10 12:57:56,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:57:56,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236264414] [2022-11-10 12:57:56,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:57:56,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:57:56,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:57:56,985 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-10 12:57:56,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:57:56,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236264414] [2022-11-10 12:57:56,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236264414] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 12:57:56,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1518273247] [2022-11-10 12:57:56,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:57:56,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 12:57:56,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 12:57:56,987 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 12:57:57,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2022-11-10 12:57:57,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:57:57,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 12:57:57,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 12:57:57,087 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-10 12:57:57,087 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 12:57:57,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1518273247] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 12:57:57,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 12:57:57,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-10 12:57:57,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188971051] [2022-11-10 12:57:57,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 12:57:57,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 12:57:57,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:57:57,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 12:57:57,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-10 12:57:57,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:57:57,088 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:57:57,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 12:57:57,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:57,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:57,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:57,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-10 12:57:57,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:57:57,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:57,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:57,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:57,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-10 12:57:57,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:57,183 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2022-11-10 12:57:57,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 12:57:57,368 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting checkThreadErr3ASSERT_VIOLATIONDATA_RACE === [checkThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 12:57:57,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:57:57,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1780910717, now seen corresponding path program 1 times [2022-11-10 12:57:57,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:57:57,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672001262] [2022-11-10 12:57:57,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:57:57,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:57:57,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:57:57,412 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-10 12:57:57,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:57:57,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672001262] [2022-11-10 12:57:57,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672001262] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 12:57:57,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [349860874] [2022-11-10 12:57:57,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:57:57,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 12:57:57,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 12:57:57,414 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 12:57:57,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2022-11-10 12:57:57,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:57:57,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 12:57:57,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 12:57:57,516 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-10 12:57:57,695 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 12:57:57,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [349860874] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 12:57:57,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 12:57:57,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-10 12:57:57,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666117101] [2022-11-10 12:57:57,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 12:57:57,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 12:57:57,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:57:57,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 12:57:57,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-10 12:57:57,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:57:57,697 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:57:57,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 12:57:57,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:57,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:57,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:57,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-10 12:57:57,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:57,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:57:57,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:57,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:57,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:57,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-10 12:57:57,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:57,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:57,796 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2022-11-10 12:57:57,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2022-11-10 12:57:57,982 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting checkThreadErr3ASSERT_VIOLATIONDATA_RACE === [checkThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 12:57:57,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:57:57,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1674127654, now seen corresponding path program 1 times [2022-11-10 12:57:57,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:57:57,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338121061] [2022-11-10 12:57:57,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:57:57,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:57:57,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:57:58,044 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-10 12:57:58,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:57:58,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338121061] [2022-11-10 12:57:58,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338121061] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 12:57:58,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [612846433] [2022-11-10 12:57:58,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:57:58,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 12:57:58,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 12:57:58,046 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 12:57:58,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2022-11-10 12:57:58,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:57:58,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 12:57:58,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 12:57:58,141 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-11-10 12:57:58,141 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 12:57:58,141 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [612846433] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 12:57:58,141 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 12:57:58,141 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-10 12:57:58,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820273245] [2022-11-10 12:57:58,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 12:57:58,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 12:57:58,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:57:58,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 12:57:58,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-10 12:57:58,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:57:58,144 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:57:58,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 12:57:58,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:58,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:58,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:58,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-10 12:57:58,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:58,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:58,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:57:58,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:58,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:58,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:58,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-10 12:57:58,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:58,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:58,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:58,252 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2022-11-10 12:57:58,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2022-11-10 12:57:58,444 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting checkThreadErr3ASSERT_VIOLATIONDATA_RACE === [checkThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 12:57:58,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:57:58,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1866751619, now seen corresponding path program 1 times [2022-11-10 12:57:58,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:57:58,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194437505] [2022-11-10 12:57:58,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:57:58,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:57:58,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:57:58,502 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-10 12:57:58,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:57:58,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194437505] [2022-11-10 12:57:58,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194437505] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 12:57:58,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1924841580] [2022-11-10 12:57:58,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:57:58,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 12:57:58,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 12:57:58,504 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 12:57:58,519 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2022-11-10 12:57:58,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:57:58,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 12:57:58,601 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 12:57:58,685 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-10 12:57:58,685 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 12:57:58,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1924841580] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 12:57:58,686 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 12:57:58,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2022-11-10 12:57:58,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845814353] [2022-11-10 12:57:58,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 12:57:58,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-10 12:57:58,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:57:58,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-10 12:57:58,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-10 12:57:58,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:57:58,687 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:57:58,687 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 36.5) internal successors, (146), 4 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 12:57:58,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:58,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:58,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:58,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-10 12:57:58,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:58,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:58,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:58,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:57:58,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:58,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:58,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:58,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-10 12:57:58,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:58,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:58,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:58,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-10 12:57:58,838 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2022-11-10 12:57:59,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2022-11-10 12:57:59,035 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting checkThreadErr3ASSERT_VIOLATIONDATA_RACE === [checkThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 12:57:59,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:57:59,036 INFO L85 PathProgramCache]: Analyzing trace with hash 33380701, now seen corresponding path program 2 times [2022-11-10 12:57:59,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:57:59,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377739297] [2022-11-10 12:57:59,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:57:59,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:57:59,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:57:59,094 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-10 12:57:59,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:57:59,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377739297] [2022-11-10 12:57:59,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377739297] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 12:57:59,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1368596154] [2022-11-10 12:57:59,094 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-10 12:57:59,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 12:57:59,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 12:57:59,096 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 12:57:59,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2022-11-10 12:57:59,177 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-10 12:57:59,177 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-10 12:57:59,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 12:57:59,180 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 12:57:59,303 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-11-10 12:57:59,303 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 12:57:59,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1368596154] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 12:57:59,303 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 12:57:59,303 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2022-11-10 12:57:59,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3428353] [2022-11-10 12:57:59,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 12:57:59,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-10 12:57:59,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:57:59,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-10 12:57:59,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-10 12:57:59,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:57:59,304 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:57:59,304 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.25) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 12:57:59,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:59,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:59,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:59,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-10 12:57:59,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:59,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:59,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:59,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-10 12:57:59,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:57:59,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:59,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:59,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:59,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-10 12:57:59,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:59,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:59,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:59,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-10 12:57:59,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-10 12:57:59,635 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2022-11-10 12:57:59,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2022-11-10 12:57:59,821 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting checkThreadErr3ASSERT_VIOLATIONDATA_RACE === [checkThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 12:57:59,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:57:59,821 INFO L85 PathProgramCache]: Analyzing trace with hash 828039632, now seen corresponding path program 1 times [2022-11-10 12:57:59,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:57:59,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627712551] [2022-11-10 12:57:59,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:57:59,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:57:59,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:57:59,875 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-10 12:57:59,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:57:59,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627712551] [2022-11-10 12:57:59,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627712551] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 12:57:59,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1328242980] [2022-11-10 12:57:59,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:57:59,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 12:57:59,877 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 12:57:59,878 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 12:57:59,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2022-11-10 12:57:59,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:57:59,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 12:57:59,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 12:57:59,980 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-11-10 12:57:59,980 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 12:57:59,980 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1328242980] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 12:57:59,980 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 12:57:59,980 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2022-11-10 12:57:59,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039870575] [2022-11-10 12:57:59,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 12:57:59,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-10 12:57:59,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:57:59,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-10 12:57:59,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-11-10 12:57:59,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:57:59,981 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:57:59,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.5) internal successors, (130), 4 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 12:57:59,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:59,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:59,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:59,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-10 12:57:59,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:59,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:59,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:57:59,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-10 12:57:59,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-10 12:57:59,982 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:58:00,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:58:00,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:58:00,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:58:00,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-10 12:58:00,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:58:00,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:58:00,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:58:00,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-10 12:58:00,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-10 12:58:00,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-10 12:58:00,105 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2022-11-10 12:58:00,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 12:58:00,305 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting checkThreadErr3ASSERT_VIOLATIONDATA_RACE === [checkThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 12:58:00,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:58:00,305 INFO L85 PathProgramCache]: Analyzing trace with hash 1699676852, now seen corresponding path program 1 times [2022-11-10 12:58:00,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:58:00,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81929751] [2022-11-10 12:58:00,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:58:00,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:58:00,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:58:00,359 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-10 12:58:00,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:58:00,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81929751] [2022-11-10 12:58:00,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81929751] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 12:58:00,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [275982219] [2022-11-10 12:58:00,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:58:00,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 12:58:00,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 12:58:00,361 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 12:58:00,387 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2022-11-10 12:58:00,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:58:00,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-10 12:58:00,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 12:58:00,539 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-10 12:58:00,539 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 12:58:00,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [275982219] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 12:58:00,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 12:58:00,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2022-11-10 12:58:00,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297497749] [2022-11-10 12:58:00,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 12:58:00,540 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-10 12:58:00,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:58:00,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-10 12:58:00,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-11-10 12:58:00,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:58:00,542 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:58:00,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.2) internal successors, (141), 5 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 12:58:00,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:58:00,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:58:00,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:58:00,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2022-11-10 12:58:00,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:58:00,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:58:00,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:58:00,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-10 12:58:00,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-10 12:58:00,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-10 12:58:00,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:58:04,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:58:04,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:58:04,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:58:04,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-10 12:58:04,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:58:04,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:58:04,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:58:04,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-10 12:58:04,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-10 12:58:04,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-10 12:58:04,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-10 12:58:04,912 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2022-11-10 12:58:05,092 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2022-11-10 12:58:05,092 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting checkThreadErr1ASSERT_VIOLATIONDATA_RACE === [checkThreadErr0ASSERT_VIOLATIONDATA_RACE, checkThreadErr1ASSERT_VIOLATIONDATA_RACE, checkThreadErr2ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2022-11-10 12:58:05,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:58:05,092 INFO L85 PathProgramCache]: Analyzing trace with hash -338765446, now seen corresponding path program 1 times [2022-11-10 12:58:05,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:58:05,093 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617441537] [2022-11-10 12:58:05,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:58:05,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:58:05,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:58:05,136 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-10 12:58:05,136 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:58:05,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617441537] [2022-11-10 12:58:05,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617441537] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 12:58:05,136 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1168127538] [2022-11-10 12:58:05,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:58:05,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 12:58:05,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 12:58:05,138 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 12:58:05,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2022-11-10 12:58:05,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:58:05,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-10 12:58:05,252 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 12:58:05,278 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-10 12:58:05,278 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-10 12:58:05,312 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-11-10 12:58:05,312 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1168127538] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-10 12:58:05,312 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-10 12:58:05,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-11-10 12:58:05,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844112043] [2022-11-10 12:58:05,313 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-10 12:58:05,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-10 12:58:05,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:58:05,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-10 12:58:05,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-10 12:58:05,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:58:05,316 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:58:05,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 16.6) internal successors, (166), 10 states have internal predecessors, (166), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 12:58:05,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:58:05,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:58:05,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:58:05,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-11-10 12:58:05,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:58:05,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:58:05,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:58:05,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-10 12:58:05,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-11-10 12:58:05,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-11-10 12:58:05,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-11-10 12:58:05,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:58:05,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:58:05,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:58:05,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:58:05,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-10 12:58:05,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:58:05,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:58:05,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 12:58:05,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-10 12:58:05,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-10 12:58:05,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-10 12:58:05,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-10 12:58:05,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-10 12:58:05,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location checkThreadErr0ASSERT_VIOLATIONDATA_RACE (3 of 4 remaining) [2022-11-10 12:58:05,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location checkThreadErr1ASSERT_VIOLATIONDATA_RACE (2 of 4 remaining) [2022-11-10 12:58:05,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location checkThreadErr2ASSERT_VIOLATIONDATA_RACE (1 of 4 remaining) [2022-11-10 12:58:05,408 INFO L805 garLoopResultBuilder]: Registering result SAFE for location checkThreadErr3ASSERT_VIOLATIONDATA_RACE (0 of 4 remaining) [2022-11-10 12:58:05,423 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2022-11-10 12:58:05,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2022-11-10 12:58:05,625 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-10 12:58:05,626 INFO L307 ceAbstractionStarter]: Result for error location checkThreadThread2of2ForFork1 was SAFE,SAFE,SAFE,SAFE (3/5) [2022-11-10 12:58:05,629 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 12:58:05,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 12:58:05,630 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 12:58:05,631 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-10 12:58:05,632 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (41)] Waiting until timeout for monitored process [2022-11-10 12:58:05,633 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 12:58:05,633 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == setThreadThread2of2ForFork0 ======== [2022-11-10 12:58:05,634 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;@31476136, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 12:58:05,634 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-10 12:58:05,685 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting setThreadErr0ASSERT_VIOLATIONDATA_RACE === [setThreadErr0ASSERT_VIOLATIONDATA_RACE, setThreadErr1ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 12:58:05,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 12:58:05,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1707627696, now seen corresponding path program 1 times [2022-11-10 12:58:05,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 12:58:05,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627686437] [2022-11-10 12:58:05,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 12:58:05,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 12:58:05,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 12:58:05,694 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-10 12:58:05,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 12:58:05,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627686437] [2022-11-10 12:58:05,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627686437] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 12:58:05,695 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 12:58:05,695 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-10 12:58:05,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861520336] [2022-11-10 12:58:05,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 12:58:05,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-10 12:58:05,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 12:58:05,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-10 12:58:05,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-10 12:58:05,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 12:58:05,696 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 12:58:05,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 49.0) internal successors, (49), 2 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) [2022-11-10 12:58:05,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.