./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5a4efb80f78cf6db9ac1c2540f0e3afbb357842376bf73c44e7e4fa9311ea9dc --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 03:26:50,792 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 03:26:50,798 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 03:26:50,844 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 03:26:50,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 03:26:50,846 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 03:26:50,848 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 03:26:50,851 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 03:26:50,853 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 03:26:50,854 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 03:26:50,854 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 03:26:50,857 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 03:26:50,857 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 03:26:50,859 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 03:26:50,860 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 03:26:50,861 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 03:26:50,861 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 03:26:50,862 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 03:26:50,863 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 03:26:50,864 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 03:26:50,865 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 03:26:50,865 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 03:26:50,866 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 03:26:50,867 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 03:26:50,871 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 03:26:50,873 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 03:26:50,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 03:26:50,876 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 03:26:50,877 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 03:26:50,877 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 03:26:50,877 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 03:26:50,878 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 03:26:50,878 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 03:26:50,879 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 03:26:50,879 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 03:26:50,880 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 03:26:50,880 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 03:26:50,881 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 03:26:50,881 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 03:26:50,882 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 03:26:50,882 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 03:26:50,883 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 03:26:50,891 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 03:26:50,912 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 03:26:50,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 03:26:50,913 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 03:26:50,913 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 03:26:50,913 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 03:26:50,914 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 03:26:50,914 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 03:26:50,914 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 03:26:50,914 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 03:26:50,915 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 03:26:50,915 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 03:26:50,915 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 03:26:50,915 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 03:26:50,916 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 03:26:50,916 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 03:26:50,916 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 03:26:50,916 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 03:26:50,916 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 03:26:50,916 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 03:26:50,916 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 03:26:50,917 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 03:26:50,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 03:26:50,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 03:26:50,917 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 03:26:50,917 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 03:26:50,917 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 03:26:50,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 03:26:50,918 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 03:26:50,918 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 03:26:50,918 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 03:26:50,918 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a4efb80f78cf6db9ac1c2540f0e3afbb357842376bf73c44e7e4fa9311ea9dc [2022-07-14 03:26:51,121 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 03:26:51,143 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 03:26:51,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 03:26:51,145 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 03:26:51,146 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 03:26:51,147 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i [2022-07-14 03:26:51,203 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77a9b562c/b482503fdbb34b388a450d3a4f9d5c6e/FLAG5a25e1eef [2022-07-14 03:26:51,911 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 03:26:51,912 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i [2022-07-14 03:26:51,976 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77a9b562c/b482503fdbb34b388a450d3a4f9d5c6e/FLAG5a25e1eef [2022-07-14 03:26:52,228 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77a9b562c/b482503fdbb34b388a450d3a4f9d5c6e [2022-07-14 03:26:52,232 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 03:26:52,233 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 03:26:52,235 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 03:26:52,235 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 03:26:52,238 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 03:26:52,238 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:26:52" (1/1) ... [2022-07-14 03:26:52,239 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64046311 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:26:52, skipping insertion in model container [2022-07-14 03:26:52,239 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:26:52" (1/1) ... [2022-07-14 03:26:52,260 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 03:26:52,402 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 03:26:55,424 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[508948,508961] [2022-07-14 03:26:55,428 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509114,509127] [2022-07-14 03:26:55,429 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509278,509291] [2022-07-14 03:26:55,429 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509443,509456] [2022-07-14 03:26:55,456 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:26:55,482 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 03:26:55,882 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.AssertionError: HeapLValues must be converted to RValue before their value can be queried. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:517) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-14 03:26:55,890 INFO L158 Benchmark]: Toolchain (without parser) took 3655.83ms. Allocated memory was 107.0MB in the beginning and 216.0MB in the end (delta: 109.1MB). Free memory was 57.1MB in the beginning and 73.9MB in the end (delta: -16.8MB). Peak memory consumption was 98.1MB. Max. memory is 16.1GB. [2022-07-14 03:26:55,891 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 107.0MB. Free memory was 63.0MB in the beginning and 63.0MB in the end (delta: 36.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 03:26:55,892 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3653.18ms. Allocated memory was 107.0MB in the beginning and 216.0MB in the end (delta: 109.1MB). Free memory was 57.1MB in the beginning and 73.9MB in the end (delta: -16.8MB). Peak memory consumption was 98.1MB. Max. memory is 16.1GB. [2022-07-14 03:26:55,893 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 107.0MB. Free memory was 63.0MB in the beginning and 63.0MB in the end (delta: 36.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3653.18ms. Allocated memory was 107.0MB in the beginning and 216.0MB in the end (delta: 109.1MB). Free memory was 57.1MB in the beginning and 73.9MB in the end (delta: -16.8MB). Peak memory consumption was 98.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: HeapLValues must be converted to RValue before their value can be queried. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: HeapLValues must be converted to RValue before their value can be queried.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5a4efb80f78cf6db9ac1c2540f0e3afbb357842376bf73c44e7e4fa9311ea9dc --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 03:26:57,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 03:26:57,388 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 03:26:57,414 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 03:26:57,414 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 03:26:57,415 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 03:26:57,416 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 03:26:57,417 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 03:26:57,418 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 03:26:57,419 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 03:26:57,420 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 03:26:57,420 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 03:26:57,421 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 03:26:57,421 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 03:26:57,422 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 03:26:57,423 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 03:26:57,424 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 03:26:57,424 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 03:26:57,426 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 03:26:57,427 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 03:26:57,428 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 03:26:57,434 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 03:26:57,436 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 03:26:57,438 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 03:26:57,442 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 03:26:57,444 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 03:26:57,447 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 03:26:57,447 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 03:26:57,448 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 03:26:57,448 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 03:26:57,449 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 03:26:57,449 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 03:26:57,452 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 03:26:57,452 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 03:26:57,453 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 03:26:57,454 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 03:26:57,455 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 03:26:57,455 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 03:26:57,455 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 03:26:57,455 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 03:26:57,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 03:26:57,457 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 03:26:57,457 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 03:26:57,476 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 03:26:57,489 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 03:26:57,490 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 03:26:57,490 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 03:26:57,491 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 03:26:57,491 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 03:26:57,491 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 03:26:57,492 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 03:26:57,492 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 03:26:57,492 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 03:26:57,493 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 03:26:57,493 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 03:26:57,493 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 03:26:57,493 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 03:26:57,493 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 03:26:57,493 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 03:26:57,493 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 03:26:57,494 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 03:26:57,494 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 03:26:57,494 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 03:26:57,494 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 03:26:57,494 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 03:26:57,494 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 03:26:57,494 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 03:26:57,495 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 03:26:57,495 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 03:26:57,495 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 03:26:57,495 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 03:26:57,495 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 03:26:57,495 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 03:26:57,496 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 03:26:57,496 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 03:26:57,496 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 03:26:57,496 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a4efb80f78cf6db9ac1c2540f0e3afbb357842376bf73c44e7e4fa9311ea9dc [2022-07-14 03:26:57,761 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 03:26:57,781 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 03:26:57,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 03:26:57,786 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 03:26:57,787 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 03:26:57,788 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i [2022-07-14 03:26:57,839 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8082fa590/9938ab2f89344cdb9545ab7f8b6b8f23/FLAGd338eb4a9 [2022-07-14 03:26:58,664 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 03:26:58,664 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i [2022-07-14 03:26:58,721 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8082fa590/9938ab2f89344cdb9545ab7f8b6b8f23/FLAGd338eb4a9 [2022-07-14 03:26:58,879 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8082fa590/9938ab2f89344cdb9545ab7f8b6b8f23 [2022-07-14 03:26:58,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 03:26:58,883 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 03:26:58,885 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 03:26:58,886 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 03:26:58,888 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 03:26:58,889 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:26:58" (1/1) ... [2022-07-14 03:26:58,889 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@165d7ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:26:58, skipping insertion in model container [2022-07-14 03:26:58,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:26:58" (1/1) ... [2022-07-14 03:26:58,895 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 03:26:59,050 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 03:27:01,325 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[508948,508961] [2022-07-14 03:27:01,330 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509114,509127] [2022-07-14 03:27:01,331 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509278,509291] [2022-07-14 03:27:01,332 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509443,509456] [2022-07-14 03:27:01,363 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:27:01,394 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 03:27:01,509 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 03:27:01,930 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[508948,508961] [2022-07-14 03:27:01,931 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509114,509127] [2022-07-14 03:27:01,931 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509278,509291] [2022-07-14 03:27:01,931 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509443,509456] [2022-07-14 03:27:01,934 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:27:01,946 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 03:27:02,395 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[508948,508961] [2022-07-14 03:27:02,396 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509114,509127] [2022-07-14 03:27:02,396 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509278,509291] [2022-07-14 03:27:02,396 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509443,509456] [2022-07-14 03:27:02,417 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:27:02,540 INFO L208 MainTranslator]: Completed translation [2022-07-14 03:27:02,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:27:02 WrapperNode [2022-07-14 03:27:02,541 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 03:27:02,542 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 03:27:02,542 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 03:27:02,542 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 03:27:02,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:27:02" (1/1) ... [2022-07-14 03:27:02,660 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:27:02" (1/1) ... [2022-07-14 03:27:02,885 INFO L137 Inliner]: procedures = 383, calls = 6116, calls flagged for inlining = 171, calls inlined = 146, statements flattened = 13554 [2022-07-14 03:27:02,887 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 03:27:02,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 03:27:02,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 03:27:02,888 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 03:27:02,895 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:27:02" (1/1) ... [2022-07-14 03:27:02,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:27:02" (1/1) ... [2022-07-14 03:27:02,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:27:02" (1/1) ... [2022-07-14 03:27:02,941 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:27:02" (1/1) ... [2022-07-14 03:27:03,053 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:27:02" (1/1) ... [2022-07-14 03:27:03,071 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:27:02" (1/1) ... [2022-07-14 03:27:03,110 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:27:02" (1/1) ... [2022-07-14 03:27:03,153 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 03:27:03,154 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 03:27:03,154 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 03:27:03,154 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 03:27:03,155 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:27:02" (1/1) ... [2022-07-14 03:27:03,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 03:27:03,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 03:27:03,177 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) [2022-07-14 03:27:03,180 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 [2022-07-14 03:27:03,205 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-14 03:27:03,205 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-14 03:27:03,205 INFO L130 BoogieDeclarations]: Found specification of procedure to_sd [2022-07-14 03:27:03,205 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sd [2022-07-14 03:27:03,205 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_tuner [2022-07-14 03:27:03,205 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_tuner [2022-07-14 03:27:03,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-14 03:27:03,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-14 03:27:03,206 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ctrl [2022-07-14 03:27:03,206 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ctrl [2022-07-14 03:27:03,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 03:27:03,207 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_s_parameters [2022-07-14 03:27:03,207 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_s_parameters [2022-07-14 03:27:03,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 03:27:03,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-14 03:27:03,207 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 03:27:03,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 03:27:03,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 03:27:03,207 INFO L130 BoogieDeclarations]: Found specification of procedure input_change [2022-07-14 03:27:03,207 INFO L138 BoogieDeclarations]: Found implementation of procedure input_change [2022-07-14 03:27:03,208 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_g_parameters [2022-07-14 03:27:03,208 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_g_parameters [2022-07-14 03:27:03,208 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_querymenu [2022-07-14 03:27:03,208 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_querymenu [2022-07-14 03:27:03,208 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-14 03:27:03,209 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-14 03:27:03,209 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_probe [2022-07-14 03:27:03,209 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_probe [2022-07-14 03:27:03,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 03:27:03,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 03:27:03,209 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-14 03:27:03,209 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-14 03:27:03,210 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_shutdown [2022-07-14 03:27:03,210 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_shutdown [2022-07-14 03:27:03,210 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx2388x [2022-07-14 03:27:03,210 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx2388x [2022-07-14 03:27:03,210 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_tuner [2022-07-14 03:27:03,210 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_tuner [2022-07-14 03:27:03,210 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx2583x [2022-07-14 03:27:03,211 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx2583x [2022-07-14 03:27:03,211 INFO L130 BoogieDeclarations]: Found specification of procedure to_ir_state [2022-07-14 03:27:03,211 INFO L138 BoogieDeclarations]: Found implementation of procedure to_ir_state [2022-07-14 03:27:03,212 INFO L130 BoogieDeclarations]: Found specification of procedure control_tx_enable [2022-07-14 03:27:03,212 INFO L138 BoogieDeclarations]: Found implementation of procedure control_tx_enable [2022-07-14 03:27:03,213 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_width_count_to_ns [2022-07-14 03:27:03,213 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_width_count_to_ns [2022-07-14 03:27:03,213 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-14 03:27:03,213 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-14 03:27:03,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 03:27:03,213 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 03:27:03,213 INFO L130 BoogieDeclarations]: Found specification of procedure carrier_freq_to_clock_divider [2022-07-14 03:27:03,214 INFO L138 BoogieDeclarations]: Found implementation of procedure carrier_freq_to_clock_divider [2022-07-14 03:27:03,214 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_demodulation_enable [2022-07-14 03:27:03,214 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_demodulation_enable [2022-07-14 03:27:03,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-07-14 03:27:03,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-07-14 03:27:03,214 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 03:27:03,214 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 03:27:03,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 03:27:03,215 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-14 03:27:03,215 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-14 03:27:03,215 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_write [2022-07-14 03:27:03,215 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_write [2022-07-14 03:27:03,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 03:27:03,215 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_mbus_fmt [2022-07-14 03:27:03,216 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_mbus_fmt [2022-07-14 03:27:03,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 03:27:03,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 03:27:03,216 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2022-07-14 03:27:03,216 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2022-07-14 03:27:03,216 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2022-07-14 03:27:03,216 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2022-07-14 03:27:03,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 03:27:03,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 03:27:03,217 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-14 03:27:03,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-14 03:27:03,217 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-14 03:27:03,217 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-14 03:27:03,218 INFO L130 BoogieDeclarations]: Found specification of procedure set_volume [2022-07-14 03:27:03,218 INFO L138 BoogieDeclarations]: Found implementation of procedure set_volume [2022-07-14 03:27:03,218 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_sliced_fmt [2022-07-14 03:27:03,218 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_sliced_fmt [2022-07-14 03:27:03,218 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_initialize [2022-07-14 03:27:03,218 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_initialize [2022-07-14 03:27:03,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-14 03:27:03,219 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ext_ctrls [2022-07-14 03:27:03,219 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ext_ctrls [2022-07-14 03:27:03,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-14 03:27:03,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-14 03:27:03,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 03:27:03,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 03:27:03,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 03:27:03,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 03:27:03,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 03:27:03,220 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-14 03:27:03,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-14 03:27:03,220 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-14 03:27:03,220 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-14 03:27:03,220 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2022-07-14 03:27:03,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2022-07-14 03:27:03,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 03:27:03,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 03:27:03,222 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_resolution [2022-07-14 03:27:03,224 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_resolution [2022-07-14 03:27:03,224 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-14 03:27:03,224 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-14 03:27:03,224 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_try_ext_ctrls [2022-07-14 03:27:03,224 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_try_ext_ctrls [2022-07-14 03:27:03,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_rx_params_lock_of_cx25840_ir_state [2022-07-14 03:27:03,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_rx_params_lock_of_cx25840_ir_state [2022-07-14 03:27:03,225 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-14 03:27:03,225 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-14 03:27:03,229 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata___0 [2022-07-14 03:27:03,229 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata___0 [2022-07-14 03:27:03,229 INFO L130 BoogieDeclarations]: Found specification of procedure cx25836_initialize [2022-07-14 03:27:03,229 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25836_initialize [2022-07-14 03:27:03,229 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_write4 [2022-07-14 03:27:03,230 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_write4 [2022-07-14 03:27:03,230 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ext_ctrls [2022-07-14 03:27:03,230 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ext_ctrls [2022-07-14 03:27:03,230 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_frequency [2022-07-14 03:27:03,230 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_frequency [2022-07-14 03:27:03,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 03:27:03,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 03:27:03,231 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_std_setup [2022-07-14 03:27:03,231 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_std_setup [2022-07-14 03:27:03,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-14 03:27:03,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-14 03:27:03,231 INFO L130 BoogieDeclarations]: Found specification of procedure irqenable_tx [2022-07-14 03:27:03,231 INFO L138 BoogieDeclarations]: Found implementation of procedure irqenable_tx [2022-07-14 03:27:03,231 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2022-07-14 03:27:03,231 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2022-07-14 03:27:03,232 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_queryctrl [2022-07-14 03:27:03,232 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_queryctrl [2022-07-14 03:27:03,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 03:27:03,232 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 03:27:03,232 INFO L130 BoogieDeclarations]: Found specification of procedure control_tx_modulation_enable [2022-07-14 03:27:03,232 INFO L138 BoogieDeclarations]: Found implementation of procedure control_tx_modulation_enable [2022-07-14 03:27:03,232 INFO L130 BoogieDeclarations]: Found specification of procedure cx23885_initialize [2022-07-14 03:27:03,232 INFO L138 BoogieDeclarations]: Found implementation of procedure cx23885_initialize [2022-07-14 03:27:03,233 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_raw_fmt [2022-07-14 03:27:03,233 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_raw_fmt [2022-07-14 03:27:03,233 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_freq [2022-07-14 03:27:03,233 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_freq [2022-07-14 03:27:03,233 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_std [2022-07-14 03:27:03,233 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_std [2022-07-14 03:27:03,233 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_and_or [2022-07-14 03:27:03,233 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_and_or [2022-07-14 03:27:03,234 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ctrl [2022-07-14 03:27:03,234 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ctrl [2022-07-14 03:27:03,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-14 03:27:03,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-14 03:27:03,234 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_s_parameters [2022-07-14 03:27:03,234 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_s_parameters [2022-07-14 03:27:03,234 INFO L130 BoogieDeclarations]: Found specification of procedure to_state [2022-07-14 03:27:03,234 INFO L138 BoogieDeclarations]: Found implementation of procedure to_state [2022-07-14 03:27:03,235 INFO L130 BoogieDeclarations]: Found specification of procedure set_audclk_freq [2022-07-14 03:27:03,235 INFO L138 BoogieDeclarations]: Found implementation of procedure set_audclk_freq [2022-07-14 03:27:03,235 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_register [2022-07-14 03:27:03,235 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_register [2022-07-14 03:27:03,235 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_register [2022-07-14 03:27:03,235 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_register [2022-07-14 03:27:03,235 INFO L130 BoogieDeclarations]: Found specification of procedure set_input [2022-07-14 03:27:03,235 INFO L138 BoogieDeclarations]: Found implementation of procedure set_input [2022-07-14 03:27:03,236 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_g_parameters [2022-07-14 03:27:03,236 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_g_parameters [2022-07-14 03:27:03,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-14 03:27:03,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-14 03:27:03,236 INFO L130 BoogieDeclarations]: Found specification of procedure cx23888_std_setup [2022-07-14 03:27:03,236 INFO L138 BoogieDeclarations]: Found implementation of procedure cx23888_std_setup [2022-07-14 03:27:03,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-14 03:27:03,237 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_initialize [2022-07-14 03:27:03,237 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_initialize [2022-07-14 03:27:03,237 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-07-14 03:27:03,237 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-07-14 03:27:03,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-14 03:27:03,239 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-14 03:27:03,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-14 03:27:03,239 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tx_params_lock_of_cx25840_ir_state [2022-07-14 03:27:03,239 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tx_params_lock_of_cx25840_ir_state [2022-07-14 03:27:03,239 INFO L130 BoogieDeclarations]: Found specification of procedure irqenable_rx [2022-07-14 03:27:03,239 INFO L138 BoogieDeclarations]: Found implementation of procedure irqenable_rx [2022-07-14 03:27:03,239 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_and_or4 [2022-07-14 03:27:03,239 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_and_or4 [2022-07-14 03:27:03,240 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_tx_params_lock_of_cx25840_ir_state [2022-07-14 03:27:03,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_tx_params_lock_of_cx25840_ir_state [2022-07-14 03:27:03,240 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_input_status [2022-07-14 03:27:03,240 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_input_status [2022-07-14 03:27:03,240 INFO L130 BoogieDeclarations]: Found specification of procedure lpf_count_to_ns [2022-07-14 03:27:03,240 INFO L138 BoogieDeclarations]: Found implementation of procedure lpf_count_to_ns [2022-07-14 03:27:03,240 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_set_audclk_freq [2022-07-14 03:27:03,240 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_set_audclk_freq [2022-07-14 03:27:03,241 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_read [2022-07-14 03:27:03,241 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_read [2022-07-14 03:27:03,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 03:27:03,241 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_width_count_to_us [2022-07-14 03:27:03,241 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_width_count_to_us [2022-07-14 03:27:03,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 03:27:03,241 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 03:27:03,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 03:27:03,242 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 03:27:03,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 03:27:03,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 03:27:03,242 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-14 03:27:03,242 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_sliced_fmt [2022-07-14 03:27:03,242 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_sliced_fmt [2022-07-14 03:27:03,242 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send [2022-07-14 03:27:03,242 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_send [2022-07-14 03:27:03,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-14 03:27:03,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-14 03:27:03,243 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2022-07-14 03:27:03,243 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2022-07-14 03:27:03,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-14 03:27:03,243 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_decode_vbi_line [2022-07-14 03:27:03,244 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_decode_vbi_line [2022-07-14 03:27:03,244 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_adapter_id [2022-07-14 03:27:03,244 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_adapter_id [2022-07-14 03:27:03,244 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_carrier_freq [2022-07-14 03:27:03,244 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_carrier_freq [2022-07-14 03:27:03,244 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_clocks_to_clock_divider [2022-07-14 03:27:03,244 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_clocks_to_clock_divider [2022-07-14 03:27:03,244 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx231xx [2022-07-14 03:27:03,245 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx231xx [2022-07-14 03:27:03,245 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 03:27:03,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 03:27:03,245 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_s_edge_detection [2022-07-14 03:27:03,245 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_s_edge_detection [2022-07-14 03:27:03,245 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2022-07-14 03:27:03,245 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2022-07-14 03:27:03,246 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_probe [2022-07-14 03:27:03,251 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_probe [2022-07-14 03:27:03,251 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-14 03:27:03,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-14 03:27:03,251 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-07-14 03:27:03,251 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-07-14 03:27:03,251 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_read4 [2022-07-14 03:27:03,251 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_read4 [2022-07-14 03:27:03,251 INFO L130 BoogieDeclarations]: Found specification of procedure odd_parity [2022-07-14 03:27:03,251 INFO L138 BoogieDeclarations]: Found implementation of procedure odd_parity [2022-07-14 03:27:03,251 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_enable [2022-07-14 03:27:03,251 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_enable [2022-07-14 03:27:03,251 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-14 03:27:03,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-14 03:27:03,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_rx_params_lock_of_cx25840_ir_state [2022-07-14 03:27:03,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_rx_params_lock_of_cx25840_ir_state [2022-07-14 03:27:03,252 INFO L130 BoogieDeclarations]: Found specification of procedure filter_rx_s_min_width [2022-07-14 03:27:03,252 INFO L138 BoogieDeclarations]: Found implementation of procedure filter_rx_s_min_width [2022-07-14 03:27:03,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-14 03:27:03,252 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_shutdown [2022-07-14 03:27:03,252 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_shutdown [2022-07-14 03:27:03,252 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-14 03:27:03,252 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-14 03:27:03,252 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-14 03:27:03,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-14 03:27:03,252 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~TO~VOID [2022-07-14 03:27:03,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~TO~VOID [2022-07-14 03:27:03,252 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-14 03:27:03,252 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-14 03:27:03,252 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23885 [2022-07-14 03:27:03,252 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23885 [2022-07-14 03:27:03,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 03:27:03,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 03:27:03,252 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_pulse_clocks [2022-07-14 03:27:03,252 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_pulse_clocks [2022-07-14 03:27:03,252 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23888 [2022-07-14 03:27:03,252 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23888 [2022-07-14 03:27:03,252 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23887 [2022-07-14 03:27:03,253 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23887 [2022-07-14 03:27:04,406 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 03:27:04,409 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 03:27:07,774 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 03:30:06,470 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 03:30:06,508 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 03:30:06,509 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-14 03:30:06,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:30:06 BoogieIcfgContainer [2022-07-14 03:30:06,517 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 03:30:06,520 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 03:30:06,520 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 03:30:06,523 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 03:30:06,523 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 03:26:58" (1/3) ... [2022-07-14 03:30:06,523 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@175178fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 03:30:06, skipping insertion in model container [2022-07-14 03:30:06,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:27:02" (2/3) ... [2022-07-14 03:30:06,524 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@175178fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 03:30:06, skipping insertion in model container [2022-07-14 03:30:06,524 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:30:06" (3/3) ... [2022-07-14 03:30:06,525 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i [2022-07-14 03:30:06,536 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 03:30:06,536 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-14 03:30:06,709 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 03:30:06,718 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=PETRI_NET, 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=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@10c86a86, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@49fe441b [2022-07-14 03:30:06,719 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-14 03:30:06,743 INFO L276 IsEmpty]: Start isEmpty. Operand has 8449 states, 4846 states have (on average 1.1568303755674783) internal successors, (5606), 4873 states have internal predecessors, (5606), 3481 states have call successors, (3481), 119 states have call predecessors, (3481), 118 states have return successors, (3478), 3466 states have call predecessors, (3478), 3478 states have call successors, (3478) [2022-07-14 03:30:06,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-07-14 03:30:06,750 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:30:06,751 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:30:06,751 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 03:30:06,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:30:06,756 INFO L85 PathProgramCache]: Analyzing trace with hash -2107106722, now seen corresponding path program 1 times [2022-07-14 03:30:06,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:30:06,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [916962153] [2022-07-14 03:30:06,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:30:06,770 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:30:06,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:30:06,772 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 03:30:06,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-14 03:30:08,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:30:08,231 INFO L263 TraceCheckSpWp]: Trace formula consists of 1762 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 03:30:08,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:30:10,329 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-14 03:30:10,330 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:30:10,330 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:30:10,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [916962153] [2022-07-14 03:30:10,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [916962153] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:30:10,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:30:10,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-14 03:30:10,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852526213] [2022-07-14 03:30:10,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:30:10,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 03:30:10,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:30:10,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 03:30:10,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 03:30:10,410 INFO L87 Difference]: Start difference. First operand has 8449 states, 4846 states have (on average 1.1568303755674783) internal successors, (5606), 4873 states have internal predecessors, (5606), 3481 states have call successors, (3481), 119 states have call predecessors, (3481), 118 states have return successors, (3478), 3466 states have call predecessors, (3478), 3478 states have call successors, (3478) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-07-14 03:30:11,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:30:11,867 INFO L93 Difference]: Finished difference Result 16874 states and 25149 transitions. [2022-07-14 03:30:11,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 03:30:11,871 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 48 [2022-07-14 03:30:11,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:30:11,950 INFO L225 Difference]: With dead ends: 16874 [2022-07-14 03:30:11,950 INFO L226 Difference]: Without dead ends: 8441 [2022-07-14 03:30:12,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-14 03:30:12,010 INFO L413 NwaCegarLoop]: 12551 mSDtfsCounter, 12525 mSDsluCounter, 25096 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12526 SdHoareTripleChecker+Valid, 37647 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-14 03:30:12,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12526 Valid, 37647 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-14 03:30:12,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8441 states. [2022-07-14 03:30:15,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8441 to 8441. [2022-07-14 03:30:15,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8441 states, 4842 states have (on average 1.1551011978521273) internal successors, (5593), 4868 states have internal predecessors, (5593), 3478 states have call successors, (3478), 119 states have call predecessors, (3478), 118 states have return successors, (3475), 3463 states have call predecessors, (3475), 3475 states have call successors, (3475) [2022-07-14 03:30:15,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8441 states to 8441 states and 12546 transitions. [2022-07-14 03:30:15,328 INFO L78 Accepts]: Start accepts. Automaton has 8441 states and 12546 transitions. Word has length 48 [2022-07-14 03:30:15,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:30:15,329 INFO L495 AbstractCegarLoop]: Abstraction has 8441 states and 12546 transitions. [2022-07-14 03:30:15,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-07-14 03:30:15,330 INFO L276 IsEmpty]: Start isEmpty. Operand 8441 states and 12546 transitions. [2022-07-14 03:30:15,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-07-14 03:30:15,333 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:30:15,333 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:30:15,364 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-14 03:30:15,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:30:15,547 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 03:30:15,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:30:15,548 INFO L85 PathProgramCache]: Analyzing trace with hash -1256060321, now seen corresponding path program 1 times [2022-07-14 03:30:15,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:30:15,550 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1008139072] [2022-07-14 03:30:15,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:30:15,550 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:30:15,550 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:30:15,551 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 03:30:15,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-14 03:30:16,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:30:16,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 1769 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 03:30:16,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:30:19,026 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-14 03:30:19,026 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 03:30:20,215 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-14 03:30:20,216 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:30:20,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1008139072] [2022-07-14 03:30:20,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1008139072] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-14 03:30:20,217 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 03:30:20,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-07-14 03:30:20,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722806634] [2022-07-14 03:30:20,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:30:20,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 03:30:20,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:30:20,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 03:30:20,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-14 03:30:20,221 INFO L87 Difference]: Start difference. First operand 8441 states and 12546 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-14 03:30:21,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:30:21,608 INFO L93 Difference]: Finished difference Result 8447 states and 12551 transitions. [2022-07-14 03:30:21,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 03:30:21,608 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 53 [2022-07-14 03:30:21,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:30:21,758 INFO L225 Difference]: With dead ends: 8447 [2022-07-14 03:30:21,759 INFO L226 Difference]: Without dead ends: 8445 [2022-07-14 03:30:21,763 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-14 03:30:21,764 INFO L413 NwaCegarLoop]: 12543 mSDtfsCounter, 12521 mSDsluCounter, 25073 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12525 SdHoareTripleChecker+Valid, 37616 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-14 03:30:21,764 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12525 Valid, 37616 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-14 03:30:21,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8445 states. [2022-07-14 03:30:24,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8445 to 8445. [2022-07-14 03:30:24,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8445 states, 4845 states have (on average 1.1550051599587203) internal successors, (5596), 4871 states have internal predecessors, (5596), 3478 states have call successors, (3478), 120 states have call predecessors, (3478), 119 states have return successors, (3475), 3463 states have call predecessors, (3475), 3475 states have call successors, (3475) [2022-07-14 03:30:24,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8445 states to 8445 states and 12549 transitions. [2022-07-14 03:30:24,383 INFO L78 Accepts]: Start accepts. Automaton has 8445 states and 12549 transitions. Word has length 53 [2022-07-14 03:30:24,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:30:24,384 INFO L495 AbstractCegarLoop]: Abstraction has 8445 states and 12549 transitions. [2022-07-14 03:30:24,384 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-14 03:30:24,384 INFO L276 IsEmpty]: Start isEmpty. Operand 8445 states and 12549 transitions. [2022-07-14 03:30:24,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-07-14 03:30:24,390 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:30:24,390 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:30:24,423 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-14 03:30:24,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:30:24,604 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 03:30:24,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:30:24,604 INFO L85 PathProgramCache]: Analyzing trace with hash -621802818, now seen corresponding path program 1 times [2022-07-14 03:30:24,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:30:24,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1121208355] [2022-07-14 03:30:24,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:30:24,606 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:30:24,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:30:24,612 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 03:30:24,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-14 03:30:26,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:30:26,157 INFO L263 TraceCheckSpWp]: Trace formula consists of 1776 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 03:30:26,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:30:28,439 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-07-14 03:30:28,440 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 03:30:29,652 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-07-14 03:30:29,652 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:30:29,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1121208355] [2022-07-14 03:30:29,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1121208355] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-14 03:30:29,652 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 03:30:29,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-07-14 03:30:29,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473716230] [2022-07-14 03:30:29,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:30:29,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 03:30:29,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:30:29,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 03:30:29,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-14 03:30:29,654 INFO L87 Difference]: Start difference. First operand 8445 states and 12549 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-14 03:30:30,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:30:30,909 INFO L93 Difference]: Finished difference Result 8451 states and 12554 transitions. [2022-07-14 03:30:30,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 03:30:30,910 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 58 [2022-07-14 03:30:30,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:30:30,963 INFO L225 Difference]: With dead ends: 8451 [2022-07-14 03:30:30,963 INFO L226 Difference]: Without dead ends: 8449 [2022-07-14 03:30:30,973 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-14 03:30:30,974 INFO L413 NwaCegarLoop]: 12543 mSDtfsCounter, 12521 mSDsluCounter, 25073 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12524 SdHoareTripleChecker+Valid, 37616 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-14 03:30:30,974 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12524 Valid, 37616 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-14 03:30:30,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8449 states. [2022-07-14 03:30:33,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8449 to 8449. [2022-07-14 03:30:33,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8449 states, 4848 states have (on average 1.1549092409240924) internal successors, (5599), 4874 states have internal predecessors, (5599), 3478 states have call successors, (3478), 121 states have call predecessors, (3478), 120 states have return successors, (3475), 3463 states have call predecessors, (3475), 3475 states have call successors, (3475) [2022-07-14 03:30:33,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8449 states to 8449 states and 12552 transitions. [2022-07-14 03:30:33,678 INFO L78 Accepts]: Start accepts. Automaton has 8449 states and 12552 transitions. Word has length 58 [2022-07-14 03:30:33,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:30:33,680 INFO L495 AbstractCegarLoop]: Abstraction has 8449 states and 12552 transitions. [2022-07-14 03:30:33,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-14 03:30:33,680 INFO L276 IsEmpty]: Start isEmpty. Operand 8449 states and 12552 transitions. [2022-07-14 03:30:33,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-07-14 03:30:33,683 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:30:33,683 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:30:33,719 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-14 03:30:33,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:30:33,900 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 03:30:33,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:30:33,900 INFO L85 PathProgramCache]: Analyzing trace with hash -937720449, now seen corresponding path program 1 times [2022-07-14 03:30:33,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:30:33,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [164838864] [2022-07-14 03:30:33,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:30:33,902 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:30:33,902 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:30:33,904 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 03:30:33,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-14 03:30:35,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:30:35,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 1783 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 03:30:35,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:30:37,679 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-14 03:30:37,679 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 03:30:38,933 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-14 03:30:38,934 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:30:38,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [164838864] [2022-07-14 03:30:38,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [164838864] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-14 03:30:38,934 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 03:30:38,934 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-07-14 03:30:38,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560181876] [2022-07-14 03:30:38,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:30:38,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 03:30:38,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:30:38,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 03:30:38,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-14 03:30:38,935 INFO L87 Difference]: Start difference. First operand 8449 states and 12552 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-14 03:30:40,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:30:40,268 INFO L93 Difference]: Finished difference Result 8455 states and 12557 transitions. [2022-07-14 03:30:40,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 03:30:40,269 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 63 [2022-07-14 03:30:40,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:30:40,352 INFO L225 Difference]: With dead ends: 8455 [2022-07-14 03:30:40,352 INFO L226 Difference]: Without dead ends: 8453 [2022-07-14 03:30:40,364 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-14 03:30:40,366 INFO L413 NwaCegarLoop]: 12543 mSDtfsCounter, 12521 mSDsluCounter, 25073 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12523 SdHoareTripleChecker+Valid, 37616 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-14 03:30:40,367 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12523 Valid, 37616 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-14 03:30:40,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8453 states. [2022-07-14 03:30:42,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8453 to 8453. [2022-07-14 03:30:42,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8453 states, 4851 states have (on average 1.1548134405277262) internal successors, (5602), 4877 states have internal predecessors, (5602), 3478 states have call successors, (3478), 122 states have call predecessors, (3478), 121 states have return successors, (3475), 3463 states have call predecessors, (3475), 3475 states have call successors, (3475) [2022-07-14 03:30:43,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8453 states to 8453 states and 12555 transitions. [2022-07-14 03:30:43,020 INFO L78 Accepts]: Start accepts. Automaton has 8453 states and 12555 transitions. Word has length 63 [2022-07-14 03:30:43,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:30:43,021 INFO L495 AbstractCegarLoop]: Abstraction has 8453 states and 12555 transitions. [2022-07-14 03:30:43,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-14 03:30:43,022 INFO L276 IsEmpty]: Start isEmpty. Operand 8453 states and 12555 transitions. [2022-07-14 03:30:43,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-07-14 03:30:43,023 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:30:43,024 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:30:43,052 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-14 03:30:43,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:30:43,228 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 03:30:43,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:30:43,228 INFO L85 PathProgramCache]: Analyzing trace with hash 1267147100, now seen corresponding path program 1 times [2022-07-14 03:30:43,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:30:43,231 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [304192713] [2022-07-14 03:30:43,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:30:43,231 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:30:43,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:30:43,233 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 03:30:43,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-14 03:30:44,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:30:44,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 1810 conjuncts, 23 conjunts are in the unsatisfiable core [2022-07-14 03:30:44,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:30:49,051 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-07-14 03:30:49,051 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 03:30:54,072 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-07-14 03:30:54,072 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:30:54,072 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [304192713] [2022-07-14 03:30:54,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [304192713] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-14 03:30:54,072 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-14 03:30:54,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 18 [2022-07-14 03:30:54,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649614655] [2022-07-14 03:30:54,072 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-14 03:30:54,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-07-14 03:30:54,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:30:54,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-07-14 03:30:54,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-07-14 03:30:54,074 INFO L87 Difference]: Start difference. First operand 8453 states and 12555 transitions. Second operand has 18 states, 17 states have (on average 2.764705882352941) internal successors, (47), 16 states have internal predecessors, (47), 6 states have call successors, (19), 2 states have call predecessors, (19), 5 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18) [2022-07-14 03:31:07,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:31:07,825 INFO L93 Difference]: Finished difference Result 16560 states and 24593 transitions. [2022-07-14 03:31:07,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-14 03:31:07,826 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 2.764705882352941) internal successors, (47), 16 states have internal predecessors, (47), 6 states have call successors, (19), 2 states have call predecessors, (19), 5 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18) Word has length 78 [2022-07-14 03:31:07,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:31:07,889 INFO L225 Difference]: With dead ends: 16560 [2022-07-14 03:31:07,890 INFO L226 Difference]: Without dead ends: 8467 [2022-07-14 03:31:07,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=119, Invalid=583, Unknown=0, NotChecked=0, Total=702 [2022-07-14 03:31:07,943 INFO L413 NwaCegarLoop]: 12522 mSDtfsCounter, 42 mSDsluCounter, 200251 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 212773 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-07-14 03:31:07,944 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 212773 Invalid, 528 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [39 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2022-07-14 03:31:07,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8467 states.