/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_ERROR_LOCATION -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-50.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-44940e9-m [2022-11-10 03:14:48,821 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-10 03:14:48,823 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-10 03:14:48,854 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2022-11-10 03:14:48,870 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-10 03:14:48,871 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-10 03:14:48,874 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-10 03:14:48,875 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-10 03:14:48,876 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-10 03:14:48,876 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-10 03:14:48,878 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-10 03:14:48,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-10 03:14:48,882 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-10 03:14:48,883 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-10 03:14:48,884 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-10 03:14:48,885 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-10 03:14:48,889 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-11-10 03:14:48,895 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-10 03:14:48,896 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-10 03:14:48,896 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-10 03:14:48,897 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder-VarAbsGlobalSyntactic.epf [2022-11-10 03:14:48,918 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-10 03:14:48,919 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-10 03:14:48,919 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-10 03:14:48,919 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-10 03:14:48,920 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-10 03:14:48,920 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-10 03:14:48,920 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-10 03:14:48,920 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-10 03:14:48,920 INFO L138 SettingsManager]: * Use SBE=true [2022-11-10 03:14:48,921 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-10 03:14:48,921 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-10 03:14:48,921 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-10 03:14:48,921 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-10 03:14:48,922 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-10 03:14:48,922 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-10 03:14:48,922 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-10 03:14:48,922 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-10 03:14:48,922 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-10 03:14:48,922 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-10 03:14:48,922 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-10 03:14:48,922 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-10 03:14:48,922 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-10 03:14:48,922 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-10 03:14:48,923 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-10 03:14:48,923 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-10 03:14:48,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-10 03:14:48,924 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-10 03:14:48,924 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-10 03:14:48,924 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-10 03:14:48,924 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-10 03:14:48,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-10 03:14:48,924 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-10 03:14:48,924 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-10 03:14:48,924 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-10 03:14:48,924 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-10 03:14:48,924 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-10 03:14:48,924 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-10 03:14:48,925 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-10 03:14:48,925 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-11-10 03:14:49,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-10 03:14:49,144 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-10 03:14:49,146 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-10 03:14:49,147 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-10 03:14:49,147 INFO L275 PluginConnector]: CDTParser initialized [2022-11-10 03:14:49,148 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-deagle/reorder_c11_bad-50.i [2022-11-10 03:14:49,204 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82e9dca0a/34c6f788055f4312aaa3e1cd420c371d/FLAG5b166cb08 [2022-11-10 03:14:49,624 INFO L306 CDTParser]: Found 1 translation units. [2022-11-10 03:14:49,625 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/reorder_c11_bad-50.i [2022-11-10 03:14:49,631 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82e9dca0a/34c6f788055f4312aaa3e1cd420c371d/FLAG5b166cb08 [2022-11-10 03:14:49,639 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82e9dca0a/34c6f788055f4312aaa3e1cd420c371d [2022-11-10 03:14:49,641 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-10 03:14:49,642 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-10 03:14:49,643 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-10 03:14:49,643 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-10 03:14:49,645 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-10 03:14:49,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:14:49" (1/1) ... [2022-11-10 03:14:49,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a57e3d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:14:49, skipping insertion in model container [2022-11-10 03:14:49,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 03:14:49" (1/1) ... [2022-11-10 03:14:49,650 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-10 03:14:49,683 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-10 03:14:49,919 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-50.i[30190,30203] [2022-11-10 03:14:49,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-10 03:14:49,932 INFO L203 MainTranslator]: Completed pre-run [2022-11-10 03:14:49,955 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-50.i[30190,30203] [2022-11-10 03:14:49,961 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-10 03:14:49,982 INFO L208 MainTranslator]: Completed translation [2022-11-10 03:14:49,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:14:49 WrapperNode [2022-11-10 03:14:49,982 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-10 03:14:49,983 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-10 03:14:49,983 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-10 03:14:49,983 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-10 03:14:49,988 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:14:49" (1/1) ... [2022-11-10 03:14:49,997 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:14:49" (1/1) ... [2022-11-10 03:14:50,013 INFO L138 Inliner]: procedures = 163, calls = 21, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 137 [2022-11-10 03:14:50,014 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-10 03:14:50,014 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-10 03:14:50,014 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-10 03:14:50,015 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-10 03:14:50,021 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:14:49" (1/1) ... [2022-11-10 03:14:50,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:14:49" (1/1) ... [2022-11-10 03:14:50,024 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:14:49" (1/1) ... [2022-11-10 03:14:50,024 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:14:49" (1/1) ... [2022-11-10 03:14:50,029 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:14:49" (1/1) ... [2022-11-10 03:14:50,032 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:14:49" (1/1) ... [2022-11-10 03:14:50,034 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:14:49" (1/1) ... [2022-11-10 03:14:50,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:14:49" (1/1) ... [2022-11-10 03:14:50,036 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-10 03:14:50,037 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-10 03:14:50,037 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-10 03:14:50,037 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-10 03:14:50,038 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:14:49" (1/1) ... [2022-11-10 03:14:50,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-10 03:14:50,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:14:50,079 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 03:14:50,081 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 03:14:50,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-10 03:14:50,117 INFO L130 BoogieDeclarations]: Found specification of procedure setThread [2022-11-10 03:14:50,117 INFO L138 BoogieDeclarations]: Found implementation of procedure setThread [2022-11-10 03:14:50,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-10 03:14:50,117 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-10 03:14:50,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-10 03:14:50,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-10 03:14:50,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-10 03:14:50,117 INFO L130 BoogieDeclarations]: Found specification of procedure checkThread [2022-11-10 03:14:50,118 INFO L138 BoogieDeclarations]: Found implementation of procedure checkThread [2022-11-10 03:14:50,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-10 03:14:50,118 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-10 03:14:50,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-10 03:14:50,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-10 03:14:50,119 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 03:14:50,214 INFO L235 CfgBuilder]: Building ICFG [2022-11-10 03:14:50,215 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-10 03:14:50,436 INFO L276 CfgBuilder]: Performing block encoding [2022-11-10 03:14:50,460 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-10 03:14:50,460 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-10 03:14:50,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:14:50 BoogieIcfgContainer [2022-11-10 03:14:50,462 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-10 03:14:50,479 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-10 03:14:50,479 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-10 03:14:50,482 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-10 03:14:50,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 03:14:49" (1/3) ... [2022-11-10 03:14:50,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9b5e545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:14:50, skipping insertion in model container [2022-11-10 03:14:50,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 03:14:49" (2/3) ... [2022-11-10 03:14:50,483 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9b5e545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 03:14:50, skipping insertion in model container [2022-11-10 03:14:50,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 03:14:50" (3/3) ... [2022-11-10 03:14:50,484 INFO L112 eAbstractionObserver]: Analyzing ICFG reorder_c11_bad-50.i [2022-11-10 03:14:50,489 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-10 03:14:50,506 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-10 03:14:50,508 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2022-11-10 03:14:50,508 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-10 03:14:50,576 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-11-10 03:14:50,607 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 03:14:50,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 03:14:50,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:14:50,610 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 03:14:50,610 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 03:14:50,653 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 03:14:50,662 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == setThreadErr0ASSERT_VIOLATIONDATA_RACE ======== [2022-11-10 03:14:50,666 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;@3e552e7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 03:14:50,667 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-10 03:14:50,669 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-11-10 03:14:50,673 INFO L805 garLoopResultBuilder]: Registering result SAFE for location setThreadErr0ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-10 03:14:50,677 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-10 03:14:50,679 INFO L307 ceAbstractionStarter]: Result for error location setThreadErr0ASSERT_VIOLATIONDATA_RACE was SAFE (1/36) [2022-11-10 03:14:50,685 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 03:14:50,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 03:14:50,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:14:50,687 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-11-10 03:14:50,701 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-11-10 03:14:50,739 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 03:14:50,739 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == setThreadErr1ASSERT_VIOLATIONDATA_RACE ======== [2022-11-10 03:14:50,740 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;@3e552e7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 03:14:50,740 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-10 03:14:50,741 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-11-10 03:14:50,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location setThreadErr1ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-10 03:14:50,742 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-10 03:14:50,742 INFO L307 ceAbstractionStarter]: Result for error location setThreadErr1ASSERT_VIOLATIONDATA_RACE was SAFE (2/36) [2022-11-10 03:14:50,748 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 03:14:50,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 03:14:50,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:14:50,753 INFO L229 MonitoredProcess]: Starting monitored process 4 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 03:14:50,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2022-11-10 03:14:50,761 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 03:14:50,762 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == checkThreadErr0ASSERT_VIOLATIONDATA_RACE ======== [2022-11-10 03:14:50,763 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;@3e552e7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 03:14:50,763 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-10 03:14:50,763 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-11-10 03:14:50,763 INFO L805 garLoopResultBuilder]: Registering result SAFE for location checkThreadErr0ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-10 03:14:50,764 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-10 03:14:50,764 INFO L307 ceAbstractionStarter]: Result for error location checkThreadErr0ASSERT_VIOLATIONDATA_RACE was SAFE (3/36) [2022-11-10 03:14:50,768 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 03:14:50,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 03:14:50,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:14:50,770 INFO L229 MonitoredProcess]: Starting monitored process 5 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 03:14:50,788 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2022-11-10 03:14:50,792 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 03:14:50,793 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == checkThreadErr1ASSERT_VIOLATIONDATA_RACE ======== [2022-11-10 03:14:50,794 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;@3e552e7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 03:14:50,794 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-10 03:14:50,794 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-11-10 03:14:50,794 INFO L805 garLoopResultBuilder]: Registering result SAFE for location checkThreadErr1ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-10 03:14:50,795 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-10 03:14:50,795 INFO L307 ceAbstractionStarter]: Result for error location checkThreadErr1ASSERT_VIOLATIONDATA_RACE was SAFE (4/36) [2022-11-10 03:14:50,799 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 03:14:50,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 03:14:50,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:14:50,807 INFO L229 MonitoredProcess]: Starting monitored process 6 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 03:14:50,820 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 03:14:50,821 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == checkThreadErr2ASSERT_VIOLATIONDATA_RACE ======== [2022-11-10 03:14:50,821 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;@3e552e7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 03:14:50,821 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-10 03:14:50,822 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-11-10 03:14:50,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location checkThreadErr2ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-10 03:14:50,823 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-10 03:14:50,823 INFO L307 ceAbstractionStarter]: Result for error location checkThreadErr2ASSERT_VIOLATIONDATA_RACE was SAFE (5/36) [2022-11-10 03:14:50,826 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 03:14:50,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 03:14:50,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:14:50,835 INFO L229 MonitoredProcess]: Starting monitored process 7 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 03:14:50,833 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2022-11-10 03:14:50,838 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Waiting until timeout for monitored process [2022-11-10 03:14:50,840 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 03:14:50,841 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == checkThreadErr3ASSERT_VIOLATIONDATA_RACE ======== [2022-11-10 03:14:50,841 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;@3e552e7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 03:14:50,841 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-10 03:14:50,842 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-11-10 03:14:50,842 INFO L805 garLoopResultBuilder]: Registering result SAFE for location checkThreadErr3ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-10 03:14:50,843 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-10 03:14:50,843 INFO L307 ceAbstractionStarter]: Result for error location checkThreadErr3ASSERT_VIOLATIONDATA_RACE was SAFE (6/36) [2022-11-10 03:14:50,855 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 03:14:50,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 03:14:50,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:14:50,886 INFO L229 MonitoredProcess]: Starting monitored process 8 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 03:14:50,926 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 03:14:50,927 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE ======== [2022-11-10 03:14:50,927 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;@3e552e7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 03:14:50,927 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-10 03:14:50,942 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Waiting until timeout for monitored process [2022-11-10 03:14:50,950 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:14:50,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:14:50,954 INFO L85 PathProgramCache]: Analyzing trace with hash 534724535, now seen corresponding path program 1 times [2022-11-10 03:14:50,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:14:50,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052705642] [2022-11-10 03:14:50,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:14:50,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:14:51,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:14:51,130 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 03:14:51,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:14:51,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052705642] [2022-11-10 03:14:51,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052705642] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:14:51,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 03:14:51,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-10 03:14:51,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317012633] [2022-11-10 03:14:51,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:14:51,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:14:51,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:14:51,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:14:51,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-10 03:14:51,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:14:51,158 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:14:51,159 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 03:14:51,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:14:51,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:14:51,180 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-10 03:14:51,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-10 03:14:51,183 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-10 03:14:51,184 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE was SAFE (7/36) [2022-11-10 03:14:51,188 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 03:14:51,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 03:14:51,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:14:51,190 INFO L229 MonitoredProcess]: Starting monitored process 9 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 03:14:51,195 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 03:14:51,196 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE ======== [2022-11-10 03:14:51,196 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;@3e552e7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 03:14:51,196 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-10 03:14:51,214 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:14:51,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:14:51,214 INFO L85 PathProgramCache]: Analyzing trace with hash -54656402, now seen corresponding path program 1 times [2022-11-10 03:14:51,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:14:51,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472350894] [2022-11-10 03:14:51,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:14:51,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:14:51,216 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (9)] Waiting until timeout for monitored process [2022-11-10 03:14:51,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:14:51,257 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 03:14:51,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:14:51,257 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472350894] [2022-11-10 03:14:51,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472350894] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:14:51,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 03:14:51,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-10 03:14:51,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391679144] [2022-11-10 03:14:51,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:14:51,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:14:51,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:14:51,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:14:51,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-10 03:14:51,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:14:51,259 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:14:51,259 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 03:14:51,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:14:51,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:14:51,488 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-10 03:14:51,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-10 03:14:51,489 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-10 03:14:51,490 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE was SAFE (8/36) [2022-11-10 03:14:51,492 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 03:14:51,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 03:14:51,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:14:51,509 INFO L229 MonitoredProcess]: Starting monitored process 10 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 03:14:51,512 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 03:14:51,512 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE ======== [2022-11-10 03:14:51,513 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;@3e552e7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 03:14:51,513 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-10 03:14:51,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (10)] Waiting until timeout for monitored process [2022-11-10 03:14:51,541 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:14:51,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:14:51,541 INFO L85 PathProgramCache]: Analyzing trace with hash -2045341073, now seen corresponding path program 1 times [2022-11-10 03:14:51,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:14:51,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980404223] [2022-11-10 03:14:51,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:14:51,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:14:51,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:14:51,619 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 03:14:51,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:14:51,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980404223] [2022-11-10 03:14:51,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980404223] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:14:51,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 03:14:51,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-10 03:14:51,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303242928] [2022-11-10 03:14:51,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:14:51,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:14:51,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:14:51,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:14:51,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-10 03:14:51,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:14:51,621 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:14:51,621 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 03:14:51,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:14:51,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:14:51,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-10 03:14:51,741 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:14:51,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:14:51,742 INFO L85 PathProgramCache]: Analyzing trace with hash -474470198, now seen corresponding path program 1 times [2022-11-10 03:14:51,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:14:51,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1139837299] [2022-11-10 03:14:51,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:14:51,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:14:51,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:14:51,877 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 03:14:51,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:14:51,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1139837299] [2022-11-10 03:14:51,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1139837299] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 03:14:51,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [901605508] [2022-11-10 03:14:51,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:14:51,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 03:14:51,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:14:51,880 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 03:14:51,893 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 03:14:51,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:14:51,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 03:14:51,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 03:14:51,990 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 03:14:51,990 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 03:14:51,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [901605508] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:14:51,991 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 03:14:51,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-10 03:14:51,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156773066] [2022-11-10 03:14:51,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:14:51,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:14:51,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:14:51,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:14:51,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-10 03:14:51,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:14:51,993 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:14:51,993 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 03:14:51,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:14:51,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:14:52,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:14:52,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:14:52,043 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-10 03:14:52,063 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 03:14:52,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 03:14:52,252 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-10 03:14:52,253 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE was SAFE (9/36) [2022-11-10 03:14:52,255 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 03:14:52,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 03:14:52,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:14:52,268 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 03:14:52,270 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 03:14:52,272 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 03:14:52,276 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE ======== [2022-11-10 03:14:52,276 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;@3e552e7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 03:14:52,276 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-10 03:14:52,288 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:14:52,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:14:52,289 INFO L85 PathProgramCache]: Analyzing trace with hash -2044876055, now seen corresponding path program 1 times [2022-11-10 03:14:52,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:14:52,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123130951] [2022-11-10 03:14:52,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:14:52,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:14:52,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:14:52,308 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 03:14:52,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:14:52,308 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123130951] [2022-11-10 03:14:52,308 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123130951] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:14:52,308 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 03:14:52,308 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-10 03:14:52,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549832598] [2022-11-10 03:14:52,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:14:52,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:14:52,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:14:52,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:14:52,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-10 03:14:52,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:14:52,309 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:14:52,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) 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 03:14:52,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:14:52,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:14:52,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-10 03:14:52,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-10 03:14:52,394 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-10 03:14:52,394 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE was SAFE (10/36) [2022-11-10 03:14:52,396 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 03:14:52,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 03:14:52,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:14:52,404 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 03:14:52,410 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 03:14:52,410 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE ======== [2022-11-10 03:14:52,411 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;@3e552e7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 03:14:52,411 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-10 03:14:52,422 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 03:14:52,433 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:14:52,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:14:52,433 INFO L85 PathProgramCache]: Analyzing trace with hash -54556372, now seen corresponding path program 1 times [2022-11-10 03:14:52,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:14:52,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352868577] [2022-11-10 03:14:52,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:14:52,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:14:52,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:14:52,476 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 03:14:52,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:14:52,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352868577] [2022-11-10 03:14:52,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352868577] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:14:52,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 03:14:52,477 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-10 03:14:52,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213323603] [2022-11-10 03:14:52,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:14:52,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:14:52,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:14:52,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:14:52,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-10 03:14:52,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:14:52,478 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:14:52,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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 03:14:52,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:14:52,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:14:52,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-10 03:14:52,575 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:14:52,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:14:52,576 INFO L85 PathProgramCache]: Analyzing trace with hash -203976463, now seen corresponding path program 1 times [2022-11-10 03:14:52,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:14:52,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945900824] [2022-11-10 03:14:52,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:14:52,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:14:52,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:14:52,670 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 03:14:52,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:14:52,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945900824] [2022-11-10 03:14:52,671 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945900824] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 03:14:52,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [205814485] [2022-11-10 03:14:52,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:14:52,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 03:14:52,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:14:52,673 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 03:14:52,674 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 03:14:52,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:14:52,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 03:14:52,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 03:14:52,740 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 03:14:52,740 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 03:14:52,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [205814485] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:14:52,740 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 03:14:52,741 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-10 03:14:52,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487753655] [2022-11-10 03:14:52,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:14:52,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:14:52,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:14:52,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:14:52,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-10 03:14:52,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:14:52,742 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:14:52,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 03:14:52,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:14:52,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:14:52,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:14:52,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:14:52,828 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-10 03:14:52,848 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 03:14:53,048 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,SelfDestructingSolverStorable6 [2022-11-10 03:14:53,050 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-10 03:14:53,050 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE was SAFE (11/36) [2022-11-10 03:14:53,052 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 03:14:53,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 03:14:53,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:14:53,053 INFO L229 MonitoredProcess]: Starting monitored process 15 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 03:14:53,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (15)] Waiting until timeout for monitored process [2022-11-10 03:14:53,063 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 03:14:53,063 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE ======== [2022-11-10 03:14:53,063 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;@3e552e7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 03:14:53,063 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-10 03:14:53,086 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:14:53,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:14:53,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1370662397, now seen corresponding path program 1 times [2022-11-10 03:14:53,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:14:53,087 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970632146] [2022-11-10 03:14:53,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:14:53,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:14:53,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:14:53,129 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 03:14:53,129 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:14:53,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970632146] [2022-11-10 03:14:53,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970632146] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:14:53,129 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 03:14:53,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-10 03:14:53,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857562852] [2022-11-10 03:14:53,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:14:53,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:14:53,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:14:53,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:14:53,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-10 03:14:53,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:14:53,130 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:14:53,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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 03:14:53,131 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:14:53,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:14:53,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-10 03:14:53,255 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:14:53,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:14:53,256 INFO L85 PathProgramCache]: Analyzing trace with hash -1470332127, now seen corresponding path program 1 times [2022-11-10 03:14:53,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:14:53,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840806851] [2022-11-10 03:14:53,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:14:53,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:14:53,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:14:53,362 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 03:14:53,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:14:53,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840806851] [2022-11-10 03:14:53,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840806851] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 03:14:53,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [689828459] [2022-11-10 03:14:53,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:14:53,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 03:14:53,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:14:53,365 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 03:14:53,394 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 03:14:53,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:14:53,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 03:14:53,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 03:14:53,478 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 03:14:53,478 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 03:14:53,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [689828459] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:14:53,479 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 03:14:53,479 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-10 03:14:53,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564974490] [2022-11-10 03:14:53,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:14:53,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:14:53,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:14:53,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:14:53,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-10 03:14:53,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:14:53,480 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:14:53,480 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 03:14:53,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:14:53,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:14:53,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:14:53,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:14:53,566 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-10 03:14:53,581 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2022-11-10 03:14:53,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 03:14:53,785 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-10 03:14:53,785 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE was SAFE (12/36) [2022-11-10 03:14:53,787 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 03:14:53,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 03:14:53,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:14:53,804 INFO L229 MonitoredProcess]: Starting monitored process 17 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 03:14:53,815 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 03:14:53,816 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE ======== [2022-11-10 03:14:53,816 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;@3e552e7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 03:14:53,816 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-10 03:14:53,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (17)] Waiting until timeout for monitored process [2022-11-10 03:14:53,881 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:14:53,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:14:53,881 INFO L85 PathProgramCache]: Analyzing trace with hash 776551665, now seen corresponding path program 1 times [2022-11-10 03:14:53,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:14:53,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330184897] [2022-11-10 03:14:53,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:14:53,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:14:53,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:14:53,930 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 03:14:53,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:14:53,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330184897] [2022-11-10 03:14:53,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330184897] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:14:53,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 03:14:53,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-10 03:14:53,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128873543] [2022-11-10 03:14:53,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:14:53,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:14:53,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:14:53,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:14:53,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-10 03:14:53,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:14:53,934 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:14:53,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 03:14:53,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:14:53,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:14:53,964 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-10 03:14:53,965 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-10 03:14:53,965 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-10 03:14:53,966 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE was SAFE (13/36) [2022-11-10 03:14:53,968 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 03:14:53,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 03:14:53,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:14:54,007 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 03:14:54,026 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 03:14:54,027 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE ======== [2022-11-10 03:14:54,027 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;@3e552e7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 03:14:54,027 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-10 03:14:54,038 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 03:14:54,048 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:14:54,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:14:54,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1372818673, now seen corresponding path program 1 times [2022-11-10 03:14:54,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:14:54,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690131514] [2022-11-10 03:14:54,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:14:54,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:14:54,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:14:54,076 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 03:14:54,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:14:54,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690131514] [2022-11-10 03:14:54,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690131514] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:14:54,077 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 03:14:54,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-10 03:14:54,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1125731245] [2022-11-10 03:14:54,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:14:54,077 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:14:54,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:14:54,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:14:54,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-10 03:14:54,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:14:54,079 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:14:54,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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 03:14:54,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:14:54,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:14:54,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-10 03:14:54,136 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:14:54,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:14:54,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1272092748, now seen corresponding path program 1 times [2022-11-10 03:14:54,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:14:54,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651177336] [2022-11-10 03:14:54,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:14:54,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:14:54,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:14:54,200 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 03:14:54,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:14:54,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651177336] [2022-11-10 03:14:54,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651177336] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 03:14:54,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [488357028] [2022-11-10 03:14:54,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:14:54,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 03:14:54,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:14:54,228 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 03:14:54,263 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 03:14:54,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:14:54,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 03:14:54,305 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 03:14:54,314 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 03:14:54,314 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 03:14:54,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [488357028] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:14:54,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 03:14:54,315 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-10 03:14:54,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106956842] [2022-11-10 03:14:54,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:14:54,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:14:54,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:14:54,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:14:54,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-10 03:14:54,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:14:54,318 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:14:54,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 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 03:14:54,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:14:54,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:14:54,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:14:54,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:14:54,375 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-10 03:14:54,392 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 03:14:54,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 03:14:54,590 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-10 03:14:54,590 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE was SAFE (14/36) [2022-11-10 03:14:54,593 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 03:14:54,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 03:14:54,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:14:54,594 INFO L229 MonitoredProcess]: Starting monitored process 20 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 03:14:54,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (20)] Waiting until timeout for monitored process [2022-11-10 03:14:54,605 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 03:14:54,605 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE ======== [2022-11-10 03:14:54,605 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;@3e552e7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 03:14:54,606 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-10 03:14:54,629 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:14:54,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:14:54,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1149874972, now seen corresponding path program 1 times [2022-11-10 03:14:54,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:14:54,630 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128986914] [2022-11-10 03:14:54,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:14:54,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:14:54,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:14:54,653 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 03:14:54,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:14:54,654 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128986914] [2022-11-10 03:14:54,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128986914] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:14:54,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 03:14:54,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-10 03:14:54,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255201305] [2022-11-10 03:14:54,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:14:54,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:14:54,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:14:54,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:14:54,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-10 03:14:54,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:14:54,655 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:14:54,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) 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 03:14:54,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:14:54,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:14:54,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-10 03:14:54,754 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:14:54,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:14:54,754 INFO L85 PathProgramCache]: Analyzing trace with hash 1707545464, now seen corresponding path program 1 times [2022-11-10 03:14:54,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:14:54,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638635125] [2022-11-10 03:14:54,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:14:54,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:14:54,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:14:54,841 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 03:14:54,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:14:54,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638635125] [2022-11-10 03:14:54,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638635125] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 03:14:54,841 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1515227714] [2022-11-10 03:14:54,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:14:54,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 03:14:54,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:14:54,843 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 03:14:54,899 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 03:14:54,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:14:54,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 03:14:54,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 03:14:54,957 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 03:14:54,957 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 03:14:54,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1515227714] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:14:54,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 03:14:54,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-10 03:14:54,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140483403] [2022-11-10 03:14:54,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:14:54,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:14:54,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:14:54,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:14:54,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-10 03:14:54,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:14:54,959 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:14:54,959 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 03:14:54,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:14:54,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:14:55,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:14:55,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:14:55,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-10 03:14:55,834 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 03:14:56,030 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,SelfDestructingSolverStorable13 [2022-11-10 03:14:56,032 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-10 03:14:56,032 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE was SAFE (15/36) [2022-11-10 03:14:56,034 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 03:14:56,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 03:14:56,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:14:56,046 INFO L229 MonitoredProcess]: Starting monitored process 22 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 03:14:56,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (22)] Waiting until timeout for monitored process [2022-11-10 03:14:56,050 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 03:14:56,051 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE ======== [2022-11-10 03:14:56,051 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;@3e552e7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 03:14:56,051 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-10 03:14:56,071 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:14:56,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:14:56,072 INFO L85 PathProgramCache]: Analyzing trace with hash -733546631, now seen corresponding path program 1 times [2022-11-10 03:14:56,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:14:56,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228267292] [2022-11-10 03:14:56,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:14:56,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:14:56,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:14:56,106 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 03:14:56,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:14:56,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228267292] [2022-11-10 03:14:56,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228267292] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:14:56,107 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 03:14:56,107 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-10 03:14:56,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167208201] [2022-11-10 03:14:56,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:14:56,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:14:56,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:14:56,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:14:56,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-10 03:14:56,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:14:56,108 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:14:56,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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 03:14:56,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:14:56,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:14:56,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-10 03:14:56,197 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:14:56,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:14:56,197 INFO L85 PathProgramCache]: Analyzing trace with hash -105420387, now seen corresponding path program 1 times [2022-11-10 03:14:56,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:14:56,197 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164845634] [2022-11-10 03:14:56,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:14:56,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:14:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:14:56,244 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 03:14:56,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:14:56,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164845634] [2022-11-10 03:14:56,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164845634] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 03:14:56,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [687505668] [2022-11-10 03:14:56,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:14:56,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 03:14:56,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:14:56,275 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 03:14:56,276 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 03:14:56,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:14:56,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 03:14:56,338 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 03:14:56,352 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 03:14:56,352 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 03:14:56,352 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [687505668] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:14:56,352 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 03:14:56,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-10 03:14:56,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936723653] [2022-11-10 03:14:56,353 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:14:56,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:14:56,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:14:56,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:14:56,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-10 03:14:56,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:14:56,353 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:14:56,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 41.5) internal successors, (83), 3 states have internal predecessors, (83), 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 03:14:56,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:14:56,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:14:57,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:14:57,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:14:57,027 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-10 03:14:57,053 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2022-11-10 03:14:57,254 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,SelfDestructingSolverStorable15 [2022-11-10 03:14:57,256 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-10 03:14:57,258 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE was SAFE (16/36) [2022-11-10 03:14:57,261 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 03:14:57,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 03:14:57,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:14:57,272 INFO L229 MonitoredProcess]: Starting monitored process 24 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 03:14:57,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (24)] Waiting until timeout for monitored process [2022-11-10 03:14:57,275 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 03:14:57,275 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE ======== [2022-11-10 03:14:57,275 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;@3e552e7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 03:14:57,275 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-10 03:14:57,306 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:14:57,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:14:57,307 INFO L85 PathProgramCache]: Analyzing trace with hash -564660678, now seen corresponding path program 1 times [2022-11-10 03:14:57,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:14:57,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921924480] [2022-11-10 03:14:57,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:14:57,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:14:57,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:14:57,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-10 03:14:57,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:14:57,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921924480] [2022-11-10 03:14:57,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [921924480] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:14:57,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 03:14:57,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-10 03:14:57,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139608284] [2022-11-10 03:14:57,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:14:57,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:14:57,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:14:57,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:14:57,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-10 03:14:57,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:14:57,344 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:14:57,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 03:14:57,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:14:57,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:14:57,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-10 03:14:57,526 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:14:57,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:14:57,526 INFO L85 PathProgramCache]: Analyzing trace with hash -1186196977, now seen corresponding path program 1 times [2022-11-10 03:14:57,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:14:57,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46992574] [2022-11-10 03:14:57,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:14:57,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:14:57,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:14:57,611 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-10 03:14:57,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:14:57,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46992574] [2022-11-10 03:14:57,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46992574] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 03:14:57,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [62348295] [2022-11-10 03:14:57,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:14:57,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 03:14:57,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:14:57,636 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 03:14:57,641 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 03:14:57,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:14:57,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 03:14:57,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 03:14:57,727 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 03:14:57,728 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 03:14:57,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [62348295] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:14:57,728 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 03:14:57,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-10 03:14:57,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069105850] [2022-11-10 03:14:57,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:14:57,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:14:57,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:14:57,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:14:57,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-10 03:14:57,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:14:57,731 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:14:57,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 56.5) internal successors, (113), 3 states have internal predecessors, (113), 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 03:14:57,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:14:57,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:14:58,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:14:58,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:14:58,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-10 03:14:58,372 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 03:14:58,572 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,SelfDestructingSolverStorable17 [2022-11-10 03:14:58,575 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-10 03:14:58,575 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE was SAFE (17/36) [2022-11-10 03:14:58,577 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 03:14:58,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 03:14:58,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:14:58,584 INFO L229 MonitoredProcess]: Starting monitored process 26 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 03:14:58,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (26)] Waiting until timeout for monitored process [2022-11-10 03:14:58,588 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 03:14:58,589 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE ======== [2022-11-10 03:14:58,589 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;@3e552e7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 03:14:58,589 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-10 03:14:58,655 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:14:58,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:14:58,656 INFO L85 PathProgramCache]: Analyzing trace with hash 1824961802, now seen corresponding path program 1 times [2022-11-10 03:14:58,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:14:58,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418600964] [2022-11-10 03:14:58,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:14:58,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:14:58,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:14:58,671 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 03:14:58,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:14:58,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418600964] [2022-11-10 03:14:58,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418600964] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:14:58,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 03:14:58,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-10 03:14:58,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689245809] [2022-11-10 03:14:58,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:14:58,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:14:58,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:14:58,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:14:58,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-10 03:14:58,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:14:58,673 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:14:58,673 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 03:14:58,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:14:58,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:14:58,690 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-10 03:14:58,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-10 03:14:58,691 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-10 03:14:58,691 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE was SAFE (18/36) [2022-11-10 03:14:58,692 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 03:14:58,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 03:14:58,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:14:58,694 INFO L229 MonitoredProcess]: Starting monitored process 27 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 03:14:58,705 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (27)] Waiting until timeout for monitored process [2022-11-10 03:14:58,707 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 03:14:58,717 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE ======== [2022-11-10 03:14:58,717 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;@3e552e7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 03:14:58,717 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-10 03:14:58,764 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:14:58,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:14:58,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1967385013, now seen corresponding path program 1 times [2022-11-10 03:14:58,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:14:58,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764445884] [2022-11-10 03:14:58,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:14:58,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:14:58,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:14:58,782 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 03:14:58,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:14:58,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764445884] [2022-11-10 03:14:58,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764445884] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:14:58,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 03:14:58,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-10 03:14:58,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979528014] [2022-11-10 03:14:58,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:14:58,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:14:58,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:14:58,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:14:58,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-10 03:14:58,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:14:58,784 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:14:58,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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 03:14:58,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:14:58,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:14:58,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-10 03:14:58,807 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:14:58,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:14:58,807 INFO L85 PathProgramCache]: Analyzing trace with hash 2078142822, now seen corresponding path program 1 times [2022-11-10 03:14:58,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:14:58,807 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473473728] [2022-11-10 03:14:58,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:14:58,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:14:58,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:14:58,851 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 03:14:58,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:14:58,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473473728] [2022-11-10 03:14:58,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473473728] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 03:14:58,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1066913263] [2022-11-10 03:14:58,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:14:58,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 03:14:58,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:14:58,888 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 03:14:58,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2022-11-10 03:14:59,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:14:59,016 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 03:14:59,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 03:14:59,022 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 03:14:59,022 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 03:14:59,022 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1066913263] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:14:59,022 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 03:14:59,022 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-10 03:14:59,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122502263] [2022-11-10 03:14:59,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:14:59,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:14:59,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:14:59,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:14:59,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-10 03:14:59,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:14:59,023 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:14:59,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 32.5) internal successors, (65), 3 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 03:14:59,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:14:59,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:14:59,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:14:59,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:14:59,063 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-10 03:14:59,081 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2022-11-10 03:14:59,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 03:14:59,276 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-10 03:14:59,277 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE was SAFE (19/36) [2022-11-10 03:14:59,278 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 03:14:59,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 03:14:59,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:14:59,281 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 03:14:59,287 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 03:14:59,287 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE ======== [2022-11-10 03:14:59,287 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;@3e552e7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 03:14:59,287 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-10 03:14:59,296 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 03:14:59,307 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:14:59,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:14:59,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1581020027, now seen corresponding path program 1 times [2022-11-10 03:14:59,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:14:59,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616024363] [2022-11-10 03:14:59,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:14:59,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:14:59,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:14:59,330 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 03:14:59,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:14:59,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616024363] [2022-11-10 03:14:59,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616024363] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:14:59,330 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 03:14:59,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-10 03:14:59,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691114284] [2022-11-10 03:14:59,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:14:59,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:14:59,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:14:59,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:14:59,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-10 03:14:59,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:14:59,331 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:14:59,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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 03:14:59,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:14:59,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:14:59,448 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-10 03:14:59,448 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:14:59,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:14:59,448 INFO L85 PathProgramCache]: Analyzing trace with hash 997149574, now seen corresponding path program 1 times [2022-11-10 03:14:59,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:14:59,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503399910] [2022-11-10 03:14:59,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:14:59,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:14:59,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:14:59,508 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-10 03:14:59,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:14:59,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503399910] [2022-11-10 03:14:59,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [503399910] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 03:14:59,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1144361370] [2022-11-10 03:14:59,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:14:59,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 03:14:59,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:14:59,525 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 03:14:59,554 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 03:14:59,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:14:59,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 273 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 03:14:59,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 03:14:59,611 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-10 03:14:59,612 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 03:14:59,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1144361370] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:14:59,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 03:14:59,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-10 03:14:59,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597674240] [2022-11-10 03:14:59,612 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:14:59,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:14:59,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:14:59,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:14:59,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-10 03:14:59,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:14:59,613 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:14:59,614 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 03:14:59,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:14:59,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:14:59,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:14:59,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:14:59,681 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 03:14:59,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 03:14:59,875 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:14:59,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:14:59,875 INFO L85 PathProgramCache]: Analyzing trace with hash 922213674, now seen corresponding path program 1 times [2022-11-10 03:14:59,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:14:59,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375770222] [2022-11-10 03:14:59,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:14:59,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:14:59,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:14:59,930 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-10 03:14:59,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:14:59,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375770222] [2022-11-10 03:14:59,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375770222] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 03:14:59,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [821166752] [2022-11-10 03:14:59,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:14:59,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 03:14:59,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:14:59,948 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 03:14:59,981 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 03:15:00,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:00,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 03:15:00,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 03:15:00,038 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-10 03:15:00,039 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 03:15:00,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [821166752] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:15:00,039 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 03:15:00,039 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-10 03:15:00,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492591227] [2022-11-10 03:15:00,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:15:00,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:15:00,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:15:00,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:15:00,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-10 03:15:00,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:00,040 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:15:00,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 3 states have internal predecessors, (122), 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 03:15:00,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:00,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:00,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:00,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:00,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:00,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:00,127 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2022-11-10 03:15:00,322 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,SelfDestructingSolverStorable23 [2022-11-10 03:15:00,323 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:15:00,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:15:00,323 INFO L85 PathProgramCache]: Analyzing trace with hash -641086386, now seen corresponding path program 1 times [2022-11-10 03:15:00,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:15:00,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250083361] [2022-11-10 03:15:00,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:00,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:15:00,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:00,378 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-10 03:15:00,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:15:00,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250083361] [2022-11-10 03:15:00,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250083361] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 03:15:00,378 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [317040574] [2022-11-10 03:15:00,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:00,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 03:15:00,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:15:00,380 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 03:15:00,405 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 03:15:00,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:00,457 INFO L263 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 03:15:00,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 03:15:00,465 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 03:15:00,465 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 03:15:00,465 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [317040574] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:15:00,465 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 03:15:00,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-10 03:15:00,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829280661] [2022-11-10 03:15:00,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:15:00,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:15:00,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:15:00,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:15:00,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-10 03:15:00,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:00,467 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:15:00,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 62.0) internal successors, (124), 3 states have internal predecessors, (124), 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 03:15:00,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:00,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:00,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:00,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:01,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:01,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:01,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:01,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:01,284 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-10 03:15:01,302 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 03:15:01,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2022-11-10 03:15:01,500 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-10 03:15:01,500 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE was SAFE (20/36) [2022-11-10 03:15:01,502 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 03:15:01,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 03:15:01,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:15:01,504 INFO L229 MonitoredProcess]: Starting monitored process 33 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 03:15:01,521 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 03:15:01,522 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE ======== [2022-11-10 03:15:01,522 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;@3e552e7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 03:15:01,522 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-10 03:15:01,534 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (33)] Waiting until timeout for monitored process [2022-11-10 03:15:01,550 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:15:01,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:15:01,550 INFO L85 PathProgramCache]: Analyzing trace with hash -538515546, now seen corresponding path program 1 times [2022-11-10 03:15:01,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:15:01,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916165769] [2022-11-10 03:15:01,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:01,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:15:01,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:01,571 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 03:15:01,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:15:01,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916165769] [2022-11-10 03:15:01,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916165769] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:15:01,571 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 03:15:01,571 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-10 03:15:01,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116399432] [2022-11-10 03:15:01,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:15:01,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:15:01,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:15:01,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:15:01,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-10 03:15:01,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:01,572 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:15:01,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 03:15:01,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:01,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:01,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-10 03:15:01,665 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:15:01,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:15:01,665 INFO L85 PathProgramCache]: Analyzing trace with hash 672804554, now seen corresponding path program 1 times [2022-11-10 03:15:01,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:15:01,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109072782] [2022-11-10 03:15:01,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:01,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:15:01,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:01,712 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 03:15:01,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:15:01,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109072782] [2022-11-10 03:15:01,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109072782] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 03:15:01,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1114533630] [2022-11-10 03:15:01,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:01,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 03:15:01,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:15:01,743 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 03:15:01,756 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 03:15:01,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:01,812 INFO L263 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-10 03:15:01,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 03:15:01,878 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 03:15:01,878 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-10 03:15:01,917 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 03:15:01,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1114533630] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-10 03:15:01,917 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-10 03:15:01,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-11-10 03:15:01,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044310869] [2022-11-10 03:15:01,917 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-10 03:15:01,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-10 03:15:01,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:15:01,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-10 03:15:01,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-10 03:15:01,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:01,919 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:15:01,919 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 03:15:01,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:01,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:01,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:01,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-10 03:15:01,956 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-10 03:15:01,995 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 03:15:02,170 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,SelfDestructingSolverStorable26 [2022-11-10 03:15:02,171 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-10 03:15:02,171 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE was SAFE (21/36) [2022-11-10 03:15:02,172 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 03:15:02,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 03:15:02,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:15:02,174 INFO L229 MonitoredProcess]: Starting monitored process 35 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 03:15:02,197 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 03:15:02,197 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE ======== [2022-11-10 03:15:02,197 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;@3e552e7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 03:15:02,197 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-10 03:15:02,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (35)] Waiting until timeout for monitored process [2022-11-10 03:15:02,217 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:15:02,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:15:02,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1556632222, now seen corresponding path program 1 times [2022-11-10 03:15:02,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:15:02,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613619089] [2022-11-10 03:15:02,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:02,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:15:02,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:02,234 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 03:15:02,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:15:02,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613619089] [2022-11-10 03:15:02,235 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613619089] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:15:02,235 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 03:15:02,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-10 03:15:02,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442307980] [2022-11-10 03:15:02,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:15:02,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:15:02,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:15:02,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:15:02,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-10 03:15:02,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:02,236 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:15:02,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 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 03:15:02,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:02,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:02,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-10 03:15:02,359 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:15:02,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:15:02,359 INFO L85 PathProgramCache]: Analyzing trace with hash 2089515699, now seen corresponding path program 1 times [2022-11-10 03:15:02,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:15:02,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083353750] [2022-11-10 03:15:02,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:02,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:15:02,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:02,411 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-10 03:15:02,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:15:02,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083353750] [2022-11-10 03:15:02,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083353750] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 03:15:02,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [709600832] [2022-11-10 03:15:02,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:02,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 03:15:02,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:15:02,415 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 03:15:02,439 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 03:15:02,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:02,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 03:15:02,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 03:15:02,506 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-10 03:15:02,506 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 03:15:02,506 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [709600832] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:15:02,506 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 03:15:02,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-10 03:15:02,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186988066] [2022-11-10 03:15:02,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:15:02,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:15:02,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:15:02,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:15:02,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-10 03:15:02,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:02,508 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:15:02,508 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 03:15:02,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:02,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:02,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:02,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:02,587 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 03:15:02,775 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,SelfDestructingSolverStorable28 [2022-11-10 03:15:02,775 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:15:02,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:15:02,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1237854577, now seen corresponding path program 1 times [2022-11-10 03:15:02,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:15:02,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651176094] [2022-11-10 03:15:02,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:02,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:15:02,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:02,824 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-10 03:15:02,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:15:02,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651176094] [2022-11-10 03:15:02,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651176094] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 03:15:02,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [484672291] [2022-11-10 03:15:02,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:02,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 03:15:02,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:15:02,826 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 03:15:02,851 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 03:15:02,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:02,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 03:15:02,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 03:15:02,937 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-10 03:15:02,938 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 03:15:02,938 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [484672291] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:15:02,938 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 03:15:02,938 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-10 03:15:02,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323520960] [2022-11-10 03:15:02,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:15:02,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:15:02,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:15:02,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:15:02,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-10 03:15:02,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:02,939 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:15:02,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 41.666666666666664) internal successors, (125), 3 states have internal predecessors, (125), 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 03:15:02,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:02,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:02,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:02,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:02,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:02,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:03,015 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2022-11-10 03:15:03,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 03:15:03,209 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:15:03,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:15:03,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1115415787, now seen corresponding path program 1 times [2022-11-10 03:15:03,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:15:03,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494279438] [2022-11-10 03:15:03,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:03,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:15:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:03,263 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-10 03:15:03,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:15:03,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494279438] [2022-11-10 03:15:03,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494279438] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 03:15:03,264 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096607596] [2022-11-10 03:15:03,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:03,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 03:15:03,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:15:03,265 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 03:15:03,291 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 03:15:03,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:03,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 03:15:03,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 03:15:03,354 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 03:15:03,354 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 03:15:03,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2096607596] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:15:03,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 03:15:03,354 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-10 03:15:03,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075770541] [2022-11-10 03:15:03,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:15:03,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:15:03,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:15:03,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:15:03,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-10 03:15:03,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:03,356 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:15:03,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 63.5) internal successors, (127), 3 states have internal predecessors, (127), 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 03:15:03,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:03,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:03,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:03,356 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:04,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:04,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:04,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:04,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:04,149 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-10 03:15:04,176 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2022-11-10 03:15:04,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 03:15:04,365 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-10 03:15:04,365 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE was SAFE (22/36) [2022-11-10 03:15:04,366 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 03:15:04,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 03:15:04,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:15:04,369 INFO L229 MonitoredProcess]: Starting monitored process 39 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 03:15:04,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (39)] Waiting until timeout for monitored process [2022-11-10 03:15:04,373 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 03:15:04,373 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE ======== [2022-11-10 03:15:04,373 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;@3e552e7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 03:15:04,374 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-10 03:15:04,435 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:15:04,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:15:04,436 INFO L85 PathProgramCache]: Analyzing trace with hash -255823701, now seen corresponding path program 1 times [2022-11-10 03:15:04,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:15:04,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922500886] [2022-11-10 03:15:04,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:04,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:15:04,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:04,451 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 03:15:04,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:15:04,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1922500886] [2022-11-10 03:15:04,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1922500886] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:15:04,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 03:15:04,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-10 03:15:04,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728434357] [2022-11-10 03:15:04,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:15:04,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:15:04,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:15:04,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:15:04,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-10 03:15:04,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:04,452 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:15:04,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 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 03:15:04,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:04,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:04,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-11-10 03:15:04,475 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:15:04,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:15:04,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1872907888, now seen corresponding path program 1 times [2022-11-10 03:15:04,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:15:04,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817388992] [2022-11-10 03:15:04,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:04,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:15:04,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:04,510 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 03:15:04,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:15:04,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817388992] [2022-11-10 03:15:04,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817388992] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 03:15:04,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1081543399] [2022-11-10 03:15:04,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:04,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 03:15:04,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:15:04,546 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 03:15:04,573 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 03:15:04,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:04,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 03:15:04,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 03:15:04,619 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 03:15:04,619 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 03:15:04,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1081543399] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:15:04,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 03:15:04,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-10 03:15:04,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173102155] [2022-11-10 03:15:04,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:15:04,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:15:04,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:15:04,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:15:04,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-10 03:15:04,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:04,620 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:15:04,621 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 03:15:04,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:04,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:04,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:04,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:04,660 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-10 03:15:04,694 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2022-11-10 03:15:04,875 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,SelfDestructingSolverStorable32 [2022-11-10 03:15:04,876 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-10 03:15:04,877 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE was SAFE (23/36) [2022-11-10 03:15:04,878 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 03:15:04,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 03:15:04,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:15:04,879 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 03:15:04,882 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 03:15:04,883 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE ======== [2022-11-10 03:15:04,883 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;@3e552e7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 03:15:04,883 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-10 03:15:04,893 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 03:15:04,939 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:15:04,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:15:04,939 INFO L85 PathProgramCache]: Analyzing trace with hash 1058937387, now seen corresponding path program 1 times [2022-11-10 03:15:04,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:15:04,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [87320405] [2022-11-10 03:15:04,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:04,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:15:04,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:04,970 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 03:15:04,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:15:04,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [87320405] [2022-11-10 03:15:04,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [87320405] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:15:04,971 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 03:15:04,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-10 03:15:04,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378691900] [2022-11-10 03:15:04,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:15:04,971 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:15:04,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:15:04,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:15:04,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-10 03:15:04,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:04,972 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:15:04,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 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 03:15:04,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:05,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:05,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-11-10 03:15:05,046 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:15:05,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:15:05,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1487472590, now seen corresponding path program 1 times [2022-11-10 03:15:05,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:15:05,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724906785] [2022-11-10 03:15:05,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:05,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:15:05,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:05,086 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 03:15:05,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:15:05,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724906785] [2022-11-10 03:15:05,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724906785] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 03:15:05,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1188039383] [2022-11-10 03:15:05,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:05,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 03:15:05,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:15:05,113 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 03:15:05,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2022-11-10 03:15:05,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:05,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 03:15:05,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 03:15:05,199 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 03:15:05,199 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 03:15:05,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1188039383] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:15:05,199 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 03:15:05,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-10 03:15:05,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878406331] [2022-11-10 03:15:05,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:15:05,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:15:05,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:15:05,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:15:05,200 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-10 03:15:05,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:05,200 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:15:05,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 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 03:15:05,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:05,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:05,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:05,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:05,275 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2022-11-10 03:15:05,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2022-11-10 03:15:05,457 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:15:05,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:15:05,458 INFO L85 PathProgramCache]: Analyzing trace with hash -962795094, now seen corresponding path program 1 times [2022-11-10 03:15:05,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:15:05,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478511968] [2022-11-10 03:15:05,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:05,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:15:05,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:05,517 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 03:15:05,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:15:05,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478511968] [2022-11-10 03:15:05,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478511968] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 03:15:05,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1990107542] [2022-11-10 03:15:05,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:05,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 03:15:05,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:15:05,545 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 03:15:05,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2022-11-10 03:15:05,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:05,627 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 03:15:05,628 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 03:15:05,633 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 03:15:05,633 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 03:15:05,633 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1990107542] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:15:05,633 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 03:15:05,633 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-10 03:15:05,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881485975] [2022-11-10 03:15:05,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:15:05,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:15:05,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:15:05,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:15:05,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-10 03:15:05,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:05,634 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:15:05,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.0) internal successors, (105), 3 states have internal predecessors, (105), 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 03:15:05,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:05,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:05,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:05,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:05,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:05,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:05,701 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Forceful destruction successful, exit code 0 [2022-11-10 03:15:05,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 03:15:05,895 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:15:05,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:15:05,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1092271622, now seen corresponding path program 1 times [2022-11-10 03:15:05,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:15:05,896 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503066066] [2022-11-10 03:15:05,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:05,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:15:05,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:05,985 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 03:15:05,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:15:05,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503066066] [2022-11-10 03:15:05,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503066066] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 03:15:05,985 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405627248] [2022-11-10 03:15:05,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:05,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 03:15:05,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:15:05,994 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 03:15:06,021 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2022-11-10 03:15:06,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:06,099 INFO L263 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 03:15:06,100 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 03:15:06,105 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 03:15:06,105 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 03:15:06,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1405627248] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:15:06,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 03:15:06,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-10 03:15:06,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033728216] [2022-11-10 03:15:06,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:15:06,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:15:06,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:15:06,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:15:06,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-10 03:15:06,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:06,108 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:15:06,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 54.5) internal successors, (109), 3 states have internal predecessors, (109), 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 03:15:06,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:06,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:06,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:06,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:06,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:06,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:06,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:06,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:06,848 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-10 03:15:06,865 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2022-11-10 03:15:07,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2022-11-10 03:15:07,061 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-10 03:15:07,062 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE was SAFE (24/36) [2022-11-10 03:15:07,063 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 03:15:07,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 03:15:07,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:15:07,067 INFO L229 MonitoredProcess]: Starting monitored process 45 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 03:15:07,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (45)] Waiting until timeout for monitored process [2022-11-10 03:15:07,069 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 03:15:07,069 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE ======== [2022-11-10 03:15:07,069 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;@3e552e7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 03:15:07,069 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-10 03:15:07,090 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:15:07,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:15:07,090 INFO L85 PathProgramCache]: Analyzing trace with hash 851280171, now seen corresponding path program 1 times [2022-11-10 03:15:07,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:15:07,090 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150173390] [2022-11-10 03:15:07,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:07,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:15:07,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:07,121 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 03:15:07,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:15:07,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150173390] [2022-11-10 03:15:07,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150173390] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:15:07,121 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 03:15:07,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-10 03:15:07,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173382287] [2022-11-10 03:15:07,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:15:07,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:15:07,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:15:07,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:15:07,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-10 03:15:07,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:07,122 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:15:07,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 03:15:07,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:07,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:07,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-11-10 03:15:07,229 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:15:07,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:15:07,229 INFO L85 PathProgramCache]: Analyzing trace with hash -2073721472, now seen corresponding path program 1 times [2022-11-10 03:15:07,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:15:07,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1901951257] [2022-11-10 03:15:07,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:07,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:15:07,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:07,296 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-10 03:15:07,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:15:07,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1901951257] [2022-11-10 03:15:07,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1901951257] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 03:15:07,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2138733729] [2022-11-10 03:15:07,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:07,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 03:15:07,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:15:07,306 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 03:15:07,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2022-11-10 03:15:07,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:07,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 03:15:07,405 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 03:15:07,412 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-10 03:15:07,412 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 03:15:07,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2138733729] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:15:07,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 03:15:07,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-10 03:15:07,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524626443] [2022-11-10 03:15:07,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:15:07,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:15:07,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:15:07,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:15:07,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-10 03:15:07,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:07,414 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:15:07,414 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.333333333333336) internal successors, (127), 3 states have internal predecessors, (127), 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 03:15:07,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:07,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:07,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:07,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:07,488 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Forceful destruction successful, exit code 0 [2022-11-10 03:15:07,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2022-11-10 03:15:07,668 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:15:07,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:15:07,668 INFO L85 PathProgramCache]: Analyzing trace with hash 435981404, now seen corresponding path program 1 times [2022-11-10 03:15:07,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:15:07,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84253281] [2022-11-10 03:15:07,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:07,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:15:07,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:07,778 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-10 03:15:07,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:15:07,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84253281] [2022-11-10 03:15:07,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84253281] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 03:15:07,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [360874953] [2022-11-10 03:15:07,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:07,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 03:15:07,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:15:07,796 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 03:15:07,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2022-11-10 03:15:07,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:07,897 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 03:15:07,898 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 03:15:07,903 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-10 03:15:07,904 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 03:15:07,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [360874953] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:15:07,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 03:15:07,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-10 03:15:07,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057175501] [2022-11-10 03:15:07,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:15:07,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:15:07,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:15:07,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:15:07,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-10 03:15:07,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:07,905 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:15:07,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.666666666666664) internal successors, (131), 3 states have internal predecessors, (131), 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 03:15:07,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:07,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:07,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:07,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:07,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:07,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:07,976 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Forceful destruction successful, exit code 0 [2022-11-10 03:15:08,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39,47 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 03:15:08,172 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:15:08,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:15:08,172 INFO L85 PathProgramCache]: Analyzing trace with hash -46438984, now seen corresponding path program 1 times [2022-11-10 03:15:08,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:15:08,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052431267] [2022-11-10 03:15:08,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:08,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:15:08,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:08,226 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-10 03:15:08,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:15:08,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052431267] [2022-11-10 03:15:08,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052431267] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 03:15:08,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929574811] [2022-11-10 03:15:08,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:08,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 03:15:08,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:15:08,235 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 03:15:08,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2022-11-10 03:15:08,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:08,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-10 03:15:08,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 03:15:08,362 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-10 03:15:08,363 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-10 03:15:08,424 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-10 03:15:08,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [929574811] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-10 03:15:08,424 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-10 03:15:08,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-11-10 03:15:08,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583451966] [2022-11-10 03:15:08,424 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-10 03:15:08,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-10 03:15:08,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:15:08,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-10 03:15:08,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-10 03:15:08,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:08,427 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:15:08,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 18.3) internal successors, (183), 10 states have internal predecessors, (183), 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 03:15:08,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:08,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:08,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:08,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:08,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:08,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:08,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:08,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-10 03:15:08,459 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-10 03:15:08,477 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Forceful destruction successful, exit code 0 [2022-11-10 03:15:08,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,48 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 03:15:08,672 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-10 03:15:08,672 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE was SAFE (25/36) [2022-11-10 03:15:08,674 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 03:15:08,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 03:15:08,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:15:08,680 INFO L229 MonitoredProcess]: Starting monitored process 49 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 03:15:08,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (49)] Waiting until timeout for monitored process [2022-11-10 03:15:08,682 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 03:15:08,682 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE ======== [2022-11-10 03:15:08,682 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;@3e552e7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 03:15:08,683 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-10 03:15:08,756 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:15:08,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:15:08,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1150508704, now seen corresponding path program 1 times [2022-11-10 03:15:08,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:15:08,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368959989] [2022-11-10 03:15:08,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:08,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:15:08,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:08,778 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 03:15:08,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:15:08,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368959989] [2022-11-10 03:15:08,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368959989] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:15:08,778 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 03:15:08,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-10 03:15:08,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531339855] [2022-11-10 03:15:08,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:15:08,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:15:08,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:15:08,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:15:08,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-10 03:15:08,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:08,780 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:15:08,780 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 03:15:08,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:08,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:08,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-11-10 03:15:08,854 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:15:08,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:15:08,854 INFO L85 PathProgramCache]: Analyzing trace with hash 335183581, now seen corresponding path program 1 times [2022-11-10 03:15:08,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:15:08,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429755373] [2022-11-10 03:15:08,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:08,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:15:08,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:08,926 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 03:15:08,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:15:08,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1429755373] [2022-11-10 03:15:08,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1429755373] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 03:15:08,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [295940497] [2022-11-10 03:15:08,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:08,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 03:15:08,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:15:08,947 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 03:15:08,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2022-11-10 03:15:09,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:09,035 INFO L263 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 03:15:09,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 03:15:09,041 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 03:15:09,041 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 03:15:09,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [295940497] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:15:09,041 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 03:15:09,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-10 03:15:09,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560373840] [2022-11-10 03:15:09,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:15:09,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:15:09,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:15:09,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:15:09,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-10 03:15:09,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:09,042 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:15:09,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 53.0) internal successors, (106), 3 states have internal predecessors, (106), 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 03:15:09,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:09,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:09,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:09,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:09,518 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-10 03:15:09,537 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Forceful destruction successful, exit code 0 [2022-11-10 03:15:09,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable42 [2022-11-10 03:15:09,732 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-10 03:15:09,732 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE was SAFE (26/36) [2022-11-10 03:15:09,734 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 03:15:09,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 03:15:09,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:15:09,735 INFO L229 MonitoredProcess]: Starting monitored process 51 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 03:15:09,736 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (51)] Waiting until timeout for monitored process [2022-11-10 03:15:09,738 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 03:15:09,739 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE ======== [2022-11-10 03:15:09,739 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;@3e552e7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 03:15:09,739 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-10 03:15:09,785 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:15:09,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:15:09,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1995534533, now seen corresponding path program 1 times [2022-11-10 03:15:09,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:15:09,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771160567] [2022-11-10 03:15:09,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:09,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:15:09,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:09,810 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 03:15:09,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:15:09,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771160567] [2022-11-10 03:15:09,810 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [771160567] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:15:09,810 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 03:15:09,811 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-10 03:15:09,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802153627] [2022-11-10 03:15:09,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:15:09,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:15:09,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:15:09,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:15:09,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-10 03:15:09,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:09,812 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:15:09,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.0) internal successors, (99), 3 states have internal predecessors, (99), 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 03:15:09,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:09,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:09,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-11-10 03:15:09,905 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:15:09,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:15:09,906 INFO L85 PathProgramCache]: Analyzing trace with hash 650730604, now seen corresponding path program 1 times [2022-11-10 03:15:09,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:15:09,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548560451] [2022-11-10 03:15:09,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:09,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:15:09,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:09,953 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-10 03:15:09,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:15:09,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548560451] [2022-11-10 03:15:09,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548560451] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 03:15:09,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1755428118] [2022-11-10 03:15:09,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:09,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 03:15:09,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:15:09,977 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 03:15:10,022 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2022-11-10 03:15:10,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:10,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 03:15:10,095 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 03:15:10,101 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 03:15:10,101 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 03:15:10,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1755428118] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:15:10,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 03:15:10,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-10 03:15:10,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157881810] [2022-11-10 03:15:10,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:15:10,102 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:15:10,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:15:10,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:15:10,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-10 03:15:10,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:10,102 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:15:10,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 71.0) internal successors, (142), 3 states have internal predecessors, (142), 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 03:15:10,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:10,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:10,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:10,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:10,566 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-10 03:15:10,584 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Forceful destruction successful, exit code 0 [2022-11-10 03:15:10,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2022-11-10 03:15:10,781 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-10 03:15:10,781 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE was SAFE (27/36) [2022-11-10 03:15:10,782 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 03:15:10,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 03:15:10,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:15:10,790 INFO L229 MonitoredProcess]: Starting monitored process 53 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 03:15:10,792 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (53)] Waiting until timeout for monitored process [2022-11-10 03:15:10,793 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 03:15:10,793 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE ======== [2022-11-10 03:15:10,793 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;@3e552e7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 03:15:10,793 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-10 03:15:10,869 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:15:10,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:15:10,869 INFO L85 PathProgramCache]: Analyzing trace with hash -1125314139, now seen corresponding path program 1 times [2022-11-10 03:15:10,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:15:10,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581333087] [2022-11-10 03:15:10,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:10,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:15:10,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:10,891 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 03:15:10,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:15:10,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581333087] [2022-11-10 03:15:10,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581333087] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:15:10,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 03:15:10,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-10 03:15:10,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344185338] [2022-11-10 03:15:10,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:15:10,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:15:10,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:15:10,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:15:10,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-10 03:15:10,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:10,892 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:15:10,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 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 03:15:10,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:10,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:10,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2022-11-10 03:15:10,986 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:15:10,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:15:10,987 INFO L85 PathProgramCache]: Analyzing trace with hash 2068403806, now seen corresponding path program 1 times [2022-11-10 03:15:10,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:15:10,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376223142] [2022-11-10 03:15:10,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:10,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:15:10,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:11,035 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-10 03:15:11,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:15:11,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376223142] [2022-11-10 03:15:11,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376223142] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 03:15:11,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1567601944] [2022-11-10 03:15:11,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:11,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 03:15:11,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:15:11,065 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 03:15:11,078 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2022-11-10 03:15:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:11,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 03:15:11,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 03:15:11,188 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 03:15:11,188 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 03:15:11,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1567601944] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:15:11,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 03:15:11,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-10 03:15:11,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347045831] [2022-11-10 03:15:11,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:15:11,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:15:11,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:15:11,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:15:11,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-10 03:15:11,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:11,189 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:15:11,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 73.5) internal successors, (147), 3 states have internal predecessors, (147), 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 03:15:11,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:11,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:11,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:11,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:11,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-10 03:15:11,696 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Ended with exit code 0 [2022-11-10 03:15:11,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 54 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2022-11-10 03:15:11,896 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-10 03:15:11,897 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE was SAFE (28/36) [2022-11-10 03:15:11,898 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 03:15:11,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 03:15:11,898 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:15:11,900 INFO L229 MonitoredProcess]: Starting monitored process 55 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 03:15:11,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (55)] Waiting until timeout for monitored process [2022-11-10 03:15:11,902 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 03:15:11,902 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES ======== [2022-11-10 03:15:11,903 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;@3e552e7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 03:15:11,903 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-10 03:15:11,959 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-11-10 03:15:11,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:15:11,960 INFO L85 PathProgramCache]: Analyzing trace with hash -252428761, now seen corresponding path program 1 times [2022-11-10 03:15:11,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:15:11,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821094764] [2022-11-10 03:15:11,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:11,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:15:11,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-10 03:15:11,968 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-10 03:15:11,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-10 03:15:11,996 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-10 03:15:11,996 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-10 03:15:11,996 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 1 remaining) [2022-11-10 03:15:11,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-11-10 03:15:11,997 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-10 03:15:11,997 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES was UNSAFE (29/36) [2022-11-10 03:15:11,998 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-11-10 03:15:11,998 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-11-10 03:15:12,011 INFO L144 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2022-11-10 03:15:12,013 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 03:15:12,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 03:15:12,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:15:12,015 INFO L229 MonitoredProcess]: Starting monitored process 56 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 03:15:12,017 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 03:15:12,017 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == setThreadErr0ASSERT_VIOLATIONDATA_RACE ======== [2022-11-10 03:15:12,018 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;@3e552e7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 03:15:12,018 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-10 03:15:12,018 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-11-10 03:15:12,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location setThreadErr0ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-10 03:15:12,018 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-10 03:15:12,018 INFO L307 ceAbstractionStarter]: Result for error location setThreadErr0ASSERT_VIOLATIONDATA_RACE was SAFE (1/42) [2022-11-10 03:15:12,020 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 03:15:12,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 03:15:12,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:15:12,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (56)] Waiting until timeout for monitored process [2022-11-10 03:15:12,022 INFO L229 MonitoredProcess]: Starting monitored process 57 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 03:15:12,024 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 03:15:12,024 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == setThreadErr1ASSERT_VIOLATIONDATA_RACE ======== [2022-11-10 03:15:12,024 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;@3e552e7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 03:15:12,025 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-10 03:15:12,025 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-11-10 03:15:12,025 INFO L805 garLoopResultBuilder]: Registering result SAFE for location setThreadErr1ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-10 03:15:12,025 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-10 03:15:12,025 INFO L307 ceAbstractionStarter]: Result for error location setThreadErr1ASSERT_VIOLATIONDATA_RACE was SAFE (2/42) [2022-11-10 03:15:12,026 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 03:15:12,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 03:15:12,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:15:12,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (57)] Waiting until timeout for monitored process [2022-11-10 03:15:12,028 INFO L229 MonitoredProcess]: Starting monitored process 58 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 03:15:12,030 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 03:15:12,030 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == checkThreadErr0ASSERT_VIOLATIONDATA_RACE ======== [2022-11-10 03:15:12,030 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;@3e552e7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 03:15:12,030 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-10 03:15:12,031 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-11-10 03:15:12,031 INFO L805 garLoopResultBuilder]: Registering result SAFE for location checkThreadErr0ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-10 03:15:12,031 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-10 03:15:12,031 INFO L307 ceAbstractionStarter]: Result for error location checkThreadErr0ASSERT_VIOLATIONDATA_RACE was SAFE (3/42) [2022-11-10 03:15:12,032 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 03:15:12,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 03:15:12,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:15:12,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (58)] Waiting until timeout for monitored process [2022-11-10 03:15:12,041 INFO L229 MonitoredProcess]: Starting monitored process 59 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 03:15:12,044 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 03:15:12,044 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == checkThreadErr1ASSERT_VIOLATIONDATA_RACE ======== [2022-11-10 03:15:12,044 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;@3e552e7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 03:15:12,044 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-10 03:15:12,044 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-11-10 03:15:12,044 INFO L805 garLoopResultBuilder]: Registering result SAFE for location checkThreadErr1ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-10 03:15:12,045 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-10 03:15:12,045 INFO L307 ceAbstractionStarter]: Result for error location checkThreadErr1ASSERT_VIOLATIONDATA_RACE was SAFE (4/42) [2022-11-10 03:15:12,046 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 03:15:12,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 03:15:12,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:15:12,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (59)] Waiting until timeout for monitored process [2022-11-10 03:15:12,048 INFO L229 MonitoredProcess]: Starting monitored process 60 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 03:15:12,050 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 03:15:12,051 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == checkThreadErr2ASSERT_VIOLATIONDATA_RACE ======== [2022-11-10 03:15:12,051 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;@3e552e7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 03:15:12,051 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-10 03:15:12,051 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-11-10 03:15:12,051 INFO L805 garLoopResultBuilder]: Registering result SAFE for location checkThreadErr2ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-10 03:15:12,051 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-10 03:15:12,051 INFO L307 ceAbstractionStarter]: Result for error location checkThreadErr2ASSERT_VIOLATIONDATA_RACE was SAFE (5/42) [2022-11-10 03:15:12,053 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 03:15:12,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 03:15:12,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:15:12,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (60)] Waiting until timeout for monitored process [2022-11-10 03:15:12,083 INFO L229 MonitoredProcess]: Starting monitored process 61 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 03:15:12,099 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 03:15:12,100 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == checkThreadErr3ASSERT_VIOLATIONDATA_RACE ======== [2022-11-10 03:15:12,100 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;@3e552e7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 03:15:12,100 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-10 03:15:12,100 WARN L125 DepthFirstTraversal]: Depth first traversal did not find any initial state. Returning directly. [2022-11-10 03:15:12,100 INFO L805 garLoopResultBuilder]: Registering result SAFE for location checkThreadErr3ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-10 03:15:12,100 INFO L444 BasicCegarLoop]: Path program histogram: [] [2022-11-10 03:15:12,100 INFO L307 ceAbstractionStarter]: Result for error location checkThreadErr3ASSERT_VIOLATIONDATA_RACE was SAFE (6/42) [2022-11-10 03:15:12,102 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 03:15:12,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 03:15:12,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:15:12,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (61)] Waiting until timeout for monitored process [2022-11-10 03:15:12,113 INFO L229 MonitoredProcess]: Starting monitored process 62 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 03:15:12,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (62)] Waiting until timeout for monitored process [2022-11-10 03:15:12,115 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 03:15:12,116 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE ======== [2022-11-10 03:15:12,116 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;@3e552e7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 03:15:12,116 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-10 03:15:12,117 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:15:12,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:15:12,117 INFO L85 PathProgramCache]: Analyzing trace with hash -344756144, now seen corresponding path program 1 times [2022-11-10 03:15:12,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:15:12,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935637774] [2022-11-10 03:15:12,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:12,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:15:12,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:12,133 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 03:15:12,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:15:12,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935637774] [2022-11-10 03:15:12,133 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935637774] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:15:12,133 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 03:15:12,133 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-10 03:15:12,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642231515] [2022-11-10 03:15:12,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:15:12,134 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:15:12,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:15:12,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:15:12,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-10 03:15:12,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:12,134 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:15:12,134 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 03:15:12,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:12,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:12,136 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-10 03:15:12,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-11-10 03:15:12,137 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-10 03:15:12,137 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE was SAFE (7/42) [2022-11-10 03:15:12,138 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 03:15:12,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 03:15:12,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:15:12,140 INFO L229 MonitoredProcess]: Starting monitored process 63 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 03:15:12,142 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 03:15:12,142 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE ======== [2022-11-10 03:15:12,142 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;@3e552e7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 03:15:12,142 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-10 03:15:12,151 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:15:12,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:15:12,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1357441490, now seen corresponding path program 1 times [2022-11-10 03:15:12,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:15:12,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333878883] [2022-11-10 03:15:12,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:12,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:15:12,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:12,162 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 03:15:12,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:15:12,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333878883] [2022-11-10 03:15:12,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333878883] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:15:12,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 03:15:12,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-10 03:15:12,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906583817] [2022-11-10 03:15:12,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:15:12,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:15:12,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:15:12,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:15:12,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-10 03:15:12,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:12,163 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:15:12,163 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 03:15:12,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:12,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (63)] Waiting until timeout for monitored process [2022-11-10 03:15:12,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:12,231 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-10 03:15:12,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2022-11-10 03:15:12,232 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-10 03:15:12,232 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE was SAFE (8/42) [2022-11-10 03:15:12,233 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 03:15:12,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 03:15:12,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:15:12,235 INFO L229 MonitoredProcess]: Starting monitored process 64 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 03:15:12,237 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 03:15:12,237 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE ======== [2022-11-10 03:15:12,237 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;@3e552e7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 03:15:12,237 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-10 03:15:12,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (64)] Waiting until timeout for monitored process [2022-11-10 03:15:12,256 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:15:12,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:15:12,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1490712200, now seen corresponding path program 1 times [2022-11-10 03:15:12,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:15:12,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199176555] [2022-11-10 03:15:12,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:12,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:15:12,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:12,269 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 03:15:12,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:15:12,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199176555] [2022-11-10 03:15:12,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199176555] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:15:12,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 03:15:12,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-10 03:15:12,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670442803] [2022-11-10 03:15:12,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:15:12,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:15:12,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:15:12,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:15:12,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-10 03:15:12,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:12,270 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:15:12,271 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 03:15:12,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:12,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:12,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2022-11-10 03:15:12,315 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:15:12,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:15:12,315 INFO L85 PathProgramCache]: Analyzing trace with hash 8768207, now seen corresponding path program 1 times [2022-11-10 03:15:12,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:15:12,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456536593] [2022-11-10 03:15:12,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:12,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:15:12,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:12,347 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 03:15:12,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:15:12,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456536593] [2022-11-10 03:15:12,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456536593] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 03:15:12,348 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1761146064] [2022-11-10 03:15:12,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:12,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 03:15:12,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:15:12,350 INFO L229 MonitoredProcess]: Starting monitored process 65 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 03:15:12,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Waiting until timeout for monitored process [2022-11-10 03:15:12,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:12,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 03:15:12,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 03:15:12,435 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 03:15:12,435 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 03:15:12,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1761146064] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:15:12,435 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 03:15:12,435 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-10 03:15:12,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152586347] [2022-11-10 03:15:12,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:15:12,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:15:12,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:15:12,435 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:15:12,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-10 03:15:12,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:12,436 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:15:12,436 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 03:15:12,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:12,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:12,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:12,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:12,468 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-10 03:15:12,488 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Forceful destruction successful, exit code 0 [2022-11-10 03:15:12,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,65 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 03:15:12,684 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-10 03:15:12,684 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE was SAFE (9/42) [2022-11-10 03:15:12,686 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 03:15:12,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 03:15:12,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:15:12,688 INFO L229 MonitoredProcess]: Starting monitored process 66 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 03:15:12,699 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 03:15:12,700 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE ======== [2022-11-10 03:15:12,700 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;@3e552e7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 03:15:12,700 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-10 03:15:12,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (66)] Waiting until timeout for monitored process [2022-11-10 03:15:12,709 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:15:12,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:15:12,710 INFO L85 PathProgramCache]: Analyzing trace with hash 1491177218, now seen corresponding path program 1 times [2022-11-10 03:15:12,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:15:12,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055594723] [2022-11-10 03:15:12,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:12,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:15:12,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:12,720 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 03:15:12,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:15:12,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055594723] [2022-11-10 03:15:12,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055594723] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:15:12,720 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 03:15:12,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-10 03:15:12,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061962636] [2022-11-10 03:15:12,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:15:12,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:15:12,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:15:12,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:15:12,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-10 03:15:12,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:12,721 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:15:12,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) 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 03:15:12,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:12,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:12,788 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-10 03:15:12,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2022-11-10 03:15:12,789 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-10 03:15:12,789 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE was SAFE (10/42) [2022-11-10 03:15:12,791 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 03:15:12,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 03:15:12,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:15:12,793 INFO L229 MonitoredProcess]: Starting monitored process 67 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 03:15:12,795 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 03:15:12,795 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE ======== [2022-11-10 03:15:12,795 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;@3e552e7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 03:15:12,796 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-10 03:15:12,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (67)] Waiting until timeout for monitored process [2022-11-10 03:15:12,820 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:15:12,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:15:12,821 INFO L85 PathProgramCache]: Analyzing trace with hash -148752020, now seen corresponding path program 1 times [2022-11-10 03:15:12,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:15:12,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337479251] [2022-11-10 03:15:12,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:12,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:15:12,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:12,838 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 03:15:12,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:15:12,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337479251] [2022-11-10 03:15:12,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337479251] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:15:12,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 03:15:12,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-10 03:15:12,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848019983] [2022-11-10 03:15:12,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:15:12,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:15:12,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:15:12,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:15:12,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-10 03:15:12,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:12,840 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:15:12,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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 03:15:12,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:12,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:12,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2022-11-10 03:15:12,915 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:15:12,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:15:12,915 INFO L85 PathProgramCache]: Analyzing trace with hash -773411899, now seen corresponding path program 1 times [2022-11-10 03:15:12,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:15:12,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948684575] [2022-11-10 03:15:12,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:12,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:15:12,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:12,966 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 03:15:12,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:15:12,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948684575] [2022-11-10 03:15:12,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948684575] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 03:15:12,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [542811759] [2022-11-10 03:15:12,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:12,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 03:15:12,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:15:12,969 INFO L229 MonitoredProcess]: Starting monitored process 68 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 03:15:12,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (68)] Waiting until timeout for monitored process [2022-11-10 03:15:13,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:13,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 03:15:13,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 03:15:13,121 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 03:15:13,121 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 03:15:13,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [542811759] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:15:13,121 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 03:15:13,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-10 03:15:13,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262625926] [2022-11-10 03:15:13,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:15:13,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:15:13,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:15:13,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:15:13,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-10 03:15:13,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:13,123 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:15:13,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 27.0) internal successors, (54), 3 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 03:15:13,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:13,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:17,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:17,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:17,762 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-10 03:15:17,778 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (68)] Ended with exit code 0 [2022-11-10 03:15:17,977 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 68 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2022-11-10 03:15:18,024 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-10 03:15:18,024 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE was SAFE (11/42) [2022-11-10 03:15:18,026 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 03:15:18,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 03:15:18,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:15:18,040 INFO L229 MonitoredProcess]: Starting monitored process 69 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 03:15:18,042 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 03:15:18,043 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE ======== [2022-11-10 03:15:18,043 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;@3e552e7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 03:15:18,043 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-10 03:15:18,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (69)] Waiting until timeout for monitored process [2022-11-10 03:15:18,061 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:15:18,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:15:18,064 INFO L85 PathProgramCache]: Analyzing trace with hash -2005221994, now seen corresponding path program 1 times [2022-11-10 03:15:18,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:15:18,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530659832] [2022-11-10 03:15:18,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:18,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:15:18,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:18,079 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 03:15:18,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:15:18,079 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530659832] [2022-11-10 03:15:18,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530659832] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:15:18,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 03:15:18,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-10 03:15:18,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717333774] [2022-11-10 03:15:18,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:15:18,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:15:18,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:15:18,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:15:18,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-10 03:15:18,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:18,080 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:15:18,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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 03:15:18,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:18,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:18,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2022-11-10 03:15:18,135 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:15:18,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:15:18,135 INFO L85 PathProgramCache]: Analyzing trace with hash -165749165, now seen corresponding path program 1 times [2022-11-10 03:15:18,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:15:18,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838435499] [2022-11-10 03:15:18,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:18,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:15:18,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:18,165 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 03:15:18,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:15:18,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838435499] [2022-11-10 03:15:18,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838435499] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 03:15:18,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [950445775] [2022-11-10 03:15:18,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:18,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 03:15:18,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:15:18,171 INFO L229 MonitoredProcess]: Starting monitored process 70 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 03:15:18,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Waiting until timeout for monitored process [2022-11-10 03:15:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:18,258 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 03:15:18,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 03:15:18,264 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 03:15:18,264 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 03:15:18,264 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [950445775] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:15:18,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 03:15:18,265 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-10 03:15:18,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140730640] [2022-11-10 03:15:18,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:15:18,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:15:18,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:15:18,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:15:18,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-10 03:15:18,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:18,266 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:15:18,266 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 03:15:18,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:18,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:22,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:22,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:22,720 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-10 03:15:22,742 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Forceful destruction successful, exit code 0 [2022-11-10 03:15:22,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56,70 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 03:15:22,937 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-10 03:15:22,937 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE was SAFE (12/42) [2022-11-10 03:15:22,939 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 03:15:22,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 03:15:22,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:15:22,948 INFO L229 MonitoredProcess]: Starting monitored process 71 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 03:15:22,950 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 03:15:22,951 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE ======== [2022-11-10 03:15:22,951 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;@3e552e7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 03:15:22,951 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-10 03:15:22,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (71)] Waiting until timeout for monitored process [2022-11-10 03:15:23,016 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:15:23,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:15:23,016 INFO L85 PathProgramCache]: Analyzing trace with hash -746101290, now seen corresponding path program 1 times [2022-11-10 03:15:23,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:15:23,017 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652043613] [2022-11-10 03:15:23,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:23,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:15:23,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:23,033 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 03:15:23,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:15:23,034 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652043613] [2022-11-10 03:15:23,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652043613] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:15:23,034 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 03:15:23,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-10 03:15:23,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857509949] [2022-11-10 03:15:23,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:15:23,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:15:23,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:15:23,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:15:23,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-10 03:15:23,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:23,035 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:15:23,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-10 03:15:23,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:23,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:23,065 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-10 03:15:23,065 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2022-11-10 03:15:23,066 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-10 03:15:23,066 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE was SAFE (13/42) [2022-11-10 03:15:23,068 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 03:15:23,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 03:15:23,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:15:23,070 INFO L229 MonitoredProcess]: Starting monitored process 72 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 03:15:23,072 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 03:15:23,073 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE ======== [2022-11-10 03:15:23,073 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;@3e552e7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 03:15:23,073 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-10 03:15:23,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (72)] Waiting until timeout for monitored process [2022-11-10 03:15:23,092 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:15:23,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:15:23,092 INFO L85 PathProgramCache]: Analyzing trace with hash -2003065718, now seen corresponding path program 1 times [2022-11-10 03:15:23,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:15:23,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1121783560] [2022-11-10 03:15:23,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:23,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:15:23,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:23,109 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 03:15:23,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:15:23,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1121783560] [2022-11-10 03:15:23,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1121783560] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:15:23,109 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 03:15:23,109 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-10 03:15:23,109 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921646142] [2022-11-10 03:15:23,109 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:15:23,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:15:23,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:15:23,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:15:23,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-10 03:15:23,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:23,110 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:15:23,110 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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 03:15:23,110 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:23,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:23,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2022-11-10 03:15:23,159 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:15:23,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:15:23,160 INFO L85 PathProgramCache]: Analyzing trace with hash -391265839, now seen corresponding path program 1 times [2022-11-10 03:15:23,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:15:23,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057824968] [2022-11-10 03:15:23,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:23,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:15:23,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:23,190 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 03:15:23,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:15:23,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057824968] [2022-11-10 03:15:23,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057824968] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 03:15:23,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1542017100] [2022-11-10 03:15:23,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:23,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 03:15:23,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:15:23,221 INFO L229 MonitoredProcess]: Starting monitored process 73 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 03:15:23,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (73)] Waiting until timeout for monitored process [2022-11-10 03:15:23,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:23,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 03:15:23,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 03:15:23,319 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 03:15:23,319 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 03:15:23,319 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1542017100] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:15:23,319 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 03:15:23,320 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-10 03:15:23,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871134879] [2022-11-10 03:15:23,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:15:23,320 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:15:23,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:15:23,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:15:23,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-10 03:15:23,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:23,321 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:15:23,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.5) internal successors, (59), 3 states have internal predecessors, (59), 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 03:15:23,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:23,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:27,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:27,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:27,763 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (0 of 1 remaining) [2022-11-10 03:15:27,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (73)] Forceful destruction successful, exit code 0 [2022-11-10 03:15:27,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 73 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2022-11-10 03:15:27,979 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-10 03:15:27,979 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE was SAFE (14/42) [2022-11-10 03:15:27,988 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SYNTACTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-11-10 03:15:27,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-11-10 03:15:27,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:15:27,990 INFO L229 MonitoredProcess]: Starting monitored process 74 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 03:15:27,993 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2022-11-10 03:15:27,993 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE ======== [2022-11-10 03:15:27,993 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;@3e552e7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-10 03:15:27,993 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-10 03:15:27,994 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (74)] Waiting until timeout for monitored process [2022-11-10 03:15:28,004 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:15:28,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:15:28,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1137803228, now seen corresponding path program 1 times [2022-11-10 03:15:28,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:15:28,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852111860] [2022-11-10 03:15:28,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:28,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:15:28,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:28,018 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 03:15:28,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:15:28,018 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852111860] [2022-11-10 03:15:28,018 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852111860] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:15:28,018 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-10 03:15:28,018 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-10 03:15:28,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581776121] [2022-11-10 03:15:28,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:15:28,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:15:28,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:15:28,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:15:28,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-10 03:15:28,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:28,019 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:15:28,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) 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 03:15:28,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:28,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:28,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2022-11-10 03:15:28,116 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE] === [2022-11-10 03:15:28,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-10 03:15:28,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1385122303, now seen corresponding path program 1 times [2022-11-10 03:15:28,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-10 03:15:28,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739874977] [2022-11-10 03:15:28,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:28,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-10 03:15:28,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:28,146 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 03:15:28,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-10 03:15:28,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739874977] [2022-11-10 03:15:28,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739874977] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-10 03:15:28,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1332131395] [2022-11-10 03:15:28,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-10 03:15:28,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-10 03:15:28,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-10 03:15:28,201 INFO L229 MonitoredProcess]: Starting monitored process 75 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-10 03:15:28,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (75)] Waiting until timeout for monitored process [2022-11-10 03:15:28,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-10 03:15:28,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-10 03:15:28,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-10 03:15:28,294 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 03:15:28,294 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-10 03:15:28,294 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1332131395] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-10 03:15:28,294 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-10 03:15:28,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2022-11-10 03:15:28,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777734501] [2022-11-10 03:15:28,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-10 03:15:28,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-10 03:15:28,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-10 03:15:28,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-10 03:15:28,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-10 03:15:28,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-10 03:15:28,295 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-11-10 03:15:28,296 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 03:15:28,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-11-10 03:15:28,296 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.