./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c 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_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.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 f9bfbf18bd1a8f897b5856873eb861685bb3fceaaaa2b43412659a46f6a58059 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 15:10:34,814 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 15:10:34,816 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 15:10:34,860 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 15:10:34,861 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 15:10:34,862 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 15:10:34,864 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 15:10:34,866 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 15:10:34,868 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 15:10:34,872 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 15:10:34,873 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 15:10:34,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 15:10:34,875 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 15:10:34,877 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 15:10:34,878 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 15:10:34,881 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 15:10:34,882 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 15:10:34,884 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 15:10:34,885 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 15:10:34,892 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 15:10:34,893 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 15:10:34,894 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 15:10:34,895 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 15:10:34,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 15:10:34,897 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 15:10:34,904 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 15:10:34,904 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 15:10:34,904 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 15:10:34,905 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 15:10:34,906 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 15:10:34,906 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 15:10:34,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 15:10:34,908 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 15:10:34,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 15:10:34,909 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 15:10:34,910 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 15:10:34,910 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 15:10:34,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 15:10:34,911 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 15:10:34,911 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 15:10:34,912 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 15:10:34,914 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 15:10:34,915 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 15:10:34,946 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 15:10:34,946 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 15:10:34,947 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 15:10:34,947 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 15:10:34,947 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 15:10:34,948 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 15:10:34,948 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 15:10:34,948 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 15:10:34,949 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 15:10:34,949 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 15:10:34,950 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 15:10:34,950 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 15:10:34,950 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 15:10:34,950 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 15:10:34,950 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 15:10:34,951 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 15:10:34,951 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 15:10:34,951 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 15:10:34,951 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 15:10:34,951 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 15:10:34,951 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 15:10:34,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 15:10:34,952 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 15:10:34,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 15:10:34,952 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 15:10:34,952 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 15:10:34,953 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 15:10:34,953 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 15:10:34,953 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 15:10:34,953 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 15:10:34,953 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f9bfbf18bd1a8f897b5856873eb861685bb3fceaaaa2b43412659a46f6a58059 [2022-07-12 15:10:35,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 15:10:35,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 15:10:35,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 15:10:35,223 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 15:10:35,224 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 15:10:35,225 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i [2022-07-12 15:10:35,303 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8697d360e/5293b9e75d014db498f653bc2b2b44fc/FLAG8dd5cc05a [2022-07-12 15:10:36,109 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 15:10:36,110 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i [2022-07-12 15:10:36,160 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8697d360e/5293b9e75d014db498f653bc2b2b44fc/FLAG8dd5cc05a [2022-07-12 15:10:36,321 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8697d360e/5293b9e75d014db498f653bc2b2b44fc [2022-07-12 15:10:36,323 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 15:10:36,324 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 15:10:36,326 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 15:10:36,326 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 15:10:36,329 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 15:10:36,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:10:36" (1/1) ... [2022-07-12 15:10:36,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@337f2d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:10:36, skipping insertion in model container [2022-07-12 15:10:36,331 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:10:36" (1/1) ... [2022-07-12 15:10:36,337 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 15:10:36,517 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 15:10:39,926 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_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[488217,488230] [2022-07-12 15:10:39,929 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_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[488386,488399] [2022-07-12 15:10:39,929 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_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[488553,488566] [2022-07-12 15:10:39,930 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_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[488721,488734] [2022-07-12 15:10:39,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:10:39,980 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 15:10:40,265 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckException: Type check failed for C: mode = (unsigned int )mode & 223U [12926] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckBinaryExpression(TypeCheckHelper.java:207) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.constructBinaryExpression(ExpressionFactory.java:597) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.newBinaryExpression(ExpressionFactory.java:132) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:483) 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: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) [2022-07-12 15:10:40,276 INFO L158 Benchmark]: Toolchain (without parser) took 3949.05ms. Allocated memory was 119.5MB in the beginning and 255.9MB in the end (delta: 136.3MB). Free memory was 85.3MB in the beginning and 158.9MB in the end (delta: -73.7MB). Peak memory consumption was 97.2MB. Max. memory is 16.1GB. [2022-07-12 15:10:40,276 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 96.5MB. Free memory was 50.5MB in the beginning and 50.4MB in the end (delta: 45.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 15:10:40,278 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3946.41ms. Allocated memory was 119.5MB in the beginning and 255.9MB in the end (delta: 136.3MB). Free memory was 84.9MB in the beginning and 158.9MB in the end (delta: -74.0MB). Peak memory consumption was 95.1MB. Max. memory is 16.1GB. [2022-07-12 15:10:40,280 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 96.5MB. Free memory was 50.5MB in the beginning and 50.4MB in the end (delta: 45.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3946.41ms. Allocated memory was 119.5MB in the beginning and 255.9MB in the end (delta: 136.3MB). Free memory was 84.9MB in the beginning and 158.9MB in the end (delta: -74.0MB). Peak memory consumption was 95.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: mode = (unsigned int )mode & 223U [12926] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: mode = (unsigned int )mode & 223U [12926]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) 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_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.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 f9bfbf18bd1a8f897b5856873eb861685bb3fceaaaa2b43412659a46f6a58059 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 15:10:42,147 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 15:10:42,150 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 15:10:42,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 15:10:42,197 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 15:10:42,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 15:10:42,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 15:10:42,205 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 15:10:42,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 15:10:42,211 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 15:10:42,212 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 15:10:42,214 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 15:10:42,215 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 15:10:42,216 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 15:10:42,217 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 15:10:42,223 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 15:10:42,224 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 15:10:42,225 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 15:10:42,226 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 15:10:42,233 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 15:10:42,235 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 15:10:42,236 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 15:10:42,238 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 15:10:42,238 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 15:10:42,240 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 15:10:42,246 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 15:10:42,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 15:10:42,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 15:10:42,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 15:10:42,252 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 15:10:42,253 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 15:10:42,253 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 15:10:42,255 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 15:10:42,256 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 15:10:42,257 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 15:10:42,258 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 15:10:42,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 15:10:42,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 15:10:42,259 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 15:10:42,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 15:10:42,260 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 15:10:42,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 15:10:42,268 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 15:10:42,300 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 15:10:42,300 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 15:10:42,301 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 15:10:42,301 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 15:10:42,301 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 15:10:42,302 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 15:10:42,302 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 15:10:42,302 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 15:10:42,303 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 15:10:42,304 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 15:10:42,304 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 15:10:42,304 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 15:10:42,304 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 15:10:42,304 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 15:10:42,304 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 15:10:42,313 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 15:10:42,313 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 15:10:42,313 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 15:10:42,314 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 15:10:42,314 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 15:10:42,314 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 15:10:42,314 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 15:10:42,314 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 15:10:42,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 15:10:42,315 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 15:10:42,315 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 15:10:42,315 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 15:10:42,315 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 15:10:42,316 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 15:10:42,316 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 15:10:42,316 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 15:10:42,316 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 15:10:42,317 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 15:10:42,317 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f9bfbf18bd1a8f897b5856873eb861685bb3fceaaaa2b43412659a46f6a58059 [2022-07-12 15:10:42,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 15:10:42,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 15:10:42,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 15:10:42,666 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 15:10:42,667 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 15:10:42,668 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i [2022-07-12 15:10:42,724 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/029c578e3/0409c6901f944c349d147bd388fc83c0/FLAG836dbd7d1 [2022-07-12 15:10:43,610 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 15:10:43,611 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i [2022-07-12 15:10:43,675 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/029c578e3/0409c6901f944c349d147bd388fc83c0/FLAG836dbd7d1 [2022-07-12 15:10:43,766 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/029c578e3/0409c6901f944c349d147bd388fc83c0 [2022-07-12 15:10:43,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 15:10:43,770 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 15:10:43,773 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 15:10:43,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 15:10:43,776 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 15:10:43,776 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:10:43" (1/1) ... [2022-07-12 15:10:43,778 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ded134b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:10:43, skipping insertion in model container [2022-07-12 15:10:43,779 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:10:43" (1/1) ... [2022-07-12 15:10:43,785 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 15:10:43,943 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 15:10:47,255 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_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[488217,488230] [2022-07-12 15:10:47,258 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_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[488386,488399] [2022-07-12 15:10:47,259 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_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[488553,488566] [2022-07-12 15:10:47,259 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_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[488721,488734] [2022-07-12 15:10:47,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:10:47,310 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 15:10:47,384 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 15:10:47,793 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_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[488217,488230] [2022-07-12 15:10:47,794 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_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[488386,488399] [2022-07-12 15:10:47,795 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_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[488553,488566] [2022-07-12 15:10:47,795 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_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[488721,488734] [2022-07-12 15:10:47,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:10:47,842 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 15:10:48,271 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_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[488217,488230] [2022-07-12 15:10:48,272 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_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[488386,488399] [2022-07-12 15:10:48,273 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_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[488553,488566] [2022-07-12 15:10:48,274 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_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i[488721,488734] [2022-07-12 15:10:48,276 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:10:48,591 INFO L208 MainTranslator]: Completed translation [2022-07-12 15:10:48,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:10:48 WrapperNode [2022-07-12 15:10:48,592 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 15:10:48,593 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 15:10:48,594 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 15:10:48,594 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 15:10:48,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:10:48" (1/1) ... [2022-07-12 15:10:48,744 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:10:48" (1/1) ... [2022-07-12 15:10:49,047 INFO L137 Inliner]: procedures = 386, calls = 4326, calls flagged for inlining = 168, calls inlined = 151, statements flattened = 6806 [2022-07-12 15:10:49,049 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 15:10:49,050 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 15:10:49,050 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 15:10:49,050 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 15:10:49,059 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:10:48" (1/1) ... [2022-07-12 15:10:49,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:10:48" (1/1) ... [2022-07-12 15:10:49,107 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:10:48" (1/1) ... [2022-07-12 15:10:49,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:10:48" (1/1) ... [2022-07-12 15:10:49,291 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:10:48" (1/1) ... [2022-07-12 15:10:49,324 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:10:48" (1/1) ... [2022-07-12 15:10:49,375 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:10:48" (1/1) ... [2022-07-12 15:10:49,415 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 15:10:49,416 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 15:10:49,416 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 15:10:49,417 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 15:10:49,417 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:10:48" (1/1) ... [2022-07-12 15:10:49,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 15:10:49,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 15:10:49,446 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) [2022-07-12 15:10:49,448 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 [2022-07-12 15:10:49,475 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_read_reg [2022-07-12 15:10:49,475 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_read_reg [2022-07-12 15:10:49,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_mxl111sf_usb_driver_exit_11_2 [2022-07-12 15:10:49,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_mxl111sf_usb_driver_exit_11_2 [2022-07-12 15:10:49,476 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 15:10:49,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 15:10:49,476 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lg2160_frontend_attach [2022-07-12 15:10:49,476 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lg2160_frontend_attach [2022-07-12 15:10:49,477 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_stop [2022-07-12 15:10:49,477 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_stop [2022-07-12 15:10:49,477 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_config_pin_mux_modes [2022-07-12 15:10:49,477 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_config_pin_mux_modes [2022-07-12 15:10:49,477 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_start [2022-07-12 15:10:49,477 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_start [2022-07-12 15:10:49,478 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_xfer [2022-07-12 15:10:49,478 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_xfer [2022-07-12 15:10:49,478 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2022-07-12 15:10:49,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2022-07-12 15:10:49,478 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_stream_config_isoc [2022-07-12 15:10:49,478 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_stream_config_isoc [2022-07-12 15:10:49,479 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_atsc [2022-07-12 15:10:49,479 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_atsc [2022-07-12 15:10:49,479 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_write_reg_mask [2022-07-12 15:10:49,479 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_write_reg_mask [2022-07-12 15:10:49,479 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_soft_reset [2022-07-12 15:10:49,479 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_soft_reset [2022-07-12 15:10:49,479 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_stream_config_bulk [2022-07-12 15:10:49,479 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_stream_config_bulk [2022-07-12 15:10:49,479 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 15:10:49,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 15:10:49,480 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 15:10:49,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 15:10:49,480 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init_tuner_demod [2022-07-12 15:10:49,480 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init_tuner_demod [2022-07-12 15:10:49,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 15:10:49,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-12 15:10:49,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 15:10:49,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 15:10:49,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-12 15:10:49,481 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lgdt3305_frontend_attach [2022-07-12 15:10:49,481 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lgdt3305_frontend_attach [2022-07-12 15:10:49,481 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ctrl_msg [2022-07-12 15:10:49,481 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ctrl_msg [2022-07-12 15:10:49,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 15:10:49,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 15:10:49,481 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep4_streaming_ctrl [2022-07-12 15:10:49,481 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep4_streaming_ctrl [2022-07-12 15:10:49,481 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-12 15:10:49,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-12 15:10:49,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-12 15:10:49,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-12 15:10:49,482 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_hw_set_gpio [2022-07-12 15:10:49,482 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_hw_set_gpio [2022-07-12 15:10:49,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 15:10:49,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-12 15:10:49,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-12 15:10:49,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-12 15:10:49,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-12 15:10:49,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 15:10:49,482 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 15:10:49,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 15:10:49,483 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ctrl_program_regs [2022-07-12 15:10:49,483 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ctrl_program_regs [2022-07-12 15:10:49,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 15:10:49,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-12 15:10:49,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-12 15:10:49,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-12 15:10:49,483 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_gpio_mode_switch [2022-07-12 15:10:49,483 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_gpio_mode_switch [2022-07-12 15:10:49,483 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_set_ant_path [2022-07-12 15:10:49,483 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_set_ant_path [2022-07-12 15:10:49,484 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_disconnect [2022-07-12 15:10:49,484 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_disconnect [2022-07-12 15:10:49,484 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_atsc_mh [2022-07-12 15:10:49,484 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_atsc_mh [2022-07-12 15:10:49,484 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_attach_demod [2022-07-12 15:10:49,484 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_attach_demod [2022-07-12 15:10:49,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-12 15:10:49,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 15:10:49,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 15:10:49,484 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_streaming_ctrl_mercury_mh [2022-07-12 15:10:49,484 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_streaming_ctrl_mercury_mh [2022-07-12 15:10:49,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 15:10:49,485 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mercury [2022-07-12 15:10:49,485 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mercury [2022-07-12 15:10:49,485 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-12 15:10:49,485 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-12 15:10:49,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 15:10:49,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 15:10:49,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 15:10:49,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 15:10:49,485 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 15:10:49,485 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 15:10:49,486 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-07-12 15:10:49,486 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-07-12 15:10:49,486 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-12 15:10:49,486 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-12 15:10:49,486 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_adap_fe_sleep [2022-07-12 15:10:49,486 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_adap_fe_sleep [2022-07-12 15:10:49,486 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mh [2022-07-12 15:10:49,486 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mh [2022-07-12 15:10:49,486 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep6_streaming_ctrl [2022-07-12 15:10:49,486 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep6_streaming_ctrl [2022-07-12 15:10:49,486 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 15:10:49,487 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init [2022-07-12 15:10:49,487 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init [2022-07-12 15:10:49,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 15:10:49,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 15:10:49,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 15:10:49,487 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_adap_fe_init [2022-07-12 15:10:49,487 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_adap_fe_init [2022-07-12 15:10:49,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 15:10:49,487 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_bitbang_sendbyte [2022-07-12 15:10:49,487 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_bitbang_sendbyte [2022-07-12 15:10:49,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 15:10:49,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 15:10:49,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 15:10:49,488 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_check_status [2022-07-12 15:10:49,488 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_check_status [2022-07-12 15:10:49,488 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep5_streaming_ctrl [2022-07-12 15:10:49,488 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep5_streaming_ctrl [2022-07-12 15:10:49,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_7_4 [2022-07-12 15:10:49,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_7_4 [2022-07-12 15:10:49,488 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_dvbt [2022-07-12 15:10:49,488 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_dvbt [2022-07-12 15:10:49,488 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_set_gpio [2022-07-12 15:10:49,489 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_set_gpio [2022-07-12 15:10:49,489 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-12 15:10:49,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-12 15:10:49,489 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 15:10:49,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 15:10:49,489 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lg2161_ep6_frontend_attach [2022-07-12 15:10:49,489 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lg2161_ep6_frontend_attach [2022-07-12 15:10:49,489 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_get_chip_info [2022-07-12 15:10:49,489 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_get_chip_info [2022-07-12 15:10:49,489 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mercury_mh [2022-07-12 15:10:49,489 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mercury_mh [2022-07-12 15:10:49,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 15:10:49,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-12 15:10:49,490 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_enable_usb_output [2022-07-12 15:10:49,490 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_enable_usb_output [2022-07-12 15:10:49,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 15:10:49,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-12 15:10:49,490 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-07-12 15:10:49,490 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-07-12 15:10:49,490 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_attach_tuner [2022-07-12 15:10:49,490 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_attach_tuner [2022-07-12 15:10:49,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 15:10:49,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 15:10:49,490 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_set_device_mode [2022-07-12 15:10:49,490 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_set_device_mode [2022-07-12 15:10:49,490 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2022-07-12 15:10:49,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2022-07-12 15:10:49,491 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_write_reg [2022-07-12 15:10:49,491 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_write_reg [2022-07-12 15:10:49,491 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 15:10:49,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 15:10:49,491 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_func [2022-07-12 15:10:49,491 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_func [2022-07-12 15:10:49,491 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ant_hunt [2022-07-12 15:10:49,491 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ant_hunt [2022-07-12 15:10:49,492 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init_port_expander [2022-07-12 15:10:49,492 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init_port_expander [2022-07-12 15:10:49,492 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_send_data [2022-07-12 15:10:49,492 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_send_data [2022-07-12 15:10:49,492 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_resume [2022-07-12 15:10:49,492 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_resume [2022-07-12 15:10:49,492 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_get_data [2022-07-12 15:10:49,493 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_get_data [2022-07-12 15:10:49,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-12 15:10:49,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-12 15:10:49,493 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_probe [2022-07-12 15:10:49,493 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_probe [2022-07-12 15:10:49,493 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_top_master_ctrl [2022-07-12 15:10:49,493 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_top_master_ctrl [2022-07-12 15:10:50,526 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 15:10:50,529 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 15:10:54,654 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 15:13:01,663 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-12 15:13:01,882 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 15:13:01,902 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 15:13:01,903 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-12 15:13:01,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:13:01 BoogieIcfgContainer [2022-07-12 15:13:01,908 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 15:13:01,909 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 15:13:01,909 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 15:13:01,912 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 15:13:01,912 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 03:10:43" (1/3) ... [2022-07-12 15:13:01,913 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ba915ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:13:01, skipping insertion in model container [2022-07-12 15:13:01,913 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:10:48" (2/3) ... [2022-07-12 15:13:01,913 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ba915ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:13:01, skipping insertion in model container [2022-07-12 15:13:01,914 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:13:01" (3/3) ... [2022-07-12 15:13:01,915 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-media-usb-dvb-usb-v2-dvb-usb-mxl111sf.cil.i [2022-07-12 15:13:01,926 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 15:13:01,926 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-12 15:13:02,017 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 15:13:02,024 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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@24924a2e, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6339bec4 [2022-07-12 15:13:02,024 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-12 15:13:02,036 INFO L276 IsEmpty]: Start isEmpty. Operand has 2406 states, 1801 states have (on average 1.4147695724597447) internal successors, (2548), 1832 states have internal predecessors, (2548), 532 states have call successors, (532), 73 states have call predecessors, (532), 72 states have return successors, (525), 505 states have call predecessors, (525), 525 states have call successors, (525) [2022-07-12 15:13:02,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 581 [2022-07-12 15:13:02,071 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:13:02,072 INFO L195 NwaCegarLoop]: trace histogram [51, 51, 50, 50, 50, 50, 50, 50, 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, 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, 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, 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] [2022-07-12 15:13:02,073 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 15:13:02,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:13:02,077 INFO L85 PathProgramCache]: Analyzing trace with hash 624059453, now seen corresponding path program 1 times [2022-07-12 15:13:02,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:13:02,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [891822423] [2022-07-12 15:13:02,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:13:02,098 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:13:02,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:13:02,101 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) [2022-07-12 15:13:02,119 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 15:13:09,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:09,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 5152 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:13:09,277 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:13:10,089 INFO L134 CoverageAnalysis]: Checked inductivity of 11175 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 11025 trivial. 0 not checked. [2022-07-12 15:13:10,089 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:13:10,090 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:13:10,090 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [891822423] [2022-07-12 15:13:10,090 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [891822423] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:13:10,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:13:10,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:13:10,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610799684] [2022-07-12 15:13:10,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:13:10,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:13:10,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:13:10,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:13:10,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:13:10,126 INFO L87 Difference]: Start difference. First operand has 2406 states, 1801 states have (on average 1.4147695724597447) internal successors, (2548), 1832 states have internal predecessors, (2548), 532 states have call successors, (532), 73 states have call predecessors, (532), 72 states have return successors, (525), 505 states have call predecessors, (525), 525 states have call successors, (525) Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (55), 3 states have call predecessors, (55), 3 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2022-07-12 15:13:11,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:13:11,691 INFO L93 Difference]: Finished difference Result 6893 states and 10370 transitions. [2022-07-12 15:13:11,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:13:11,696 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (55), 3 states have call predecessors, (55), 3 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) Word has length 580 [2022-07-12 15:13:11,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:13:11,843 INFO L225 Difference]: With dead ends: 6893 [2022-07-12 15:13:11,844 INFO L226 Difference]: Without dead ends: 4581 [2022-07-12 15:13:11,864 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 579 GetRequests, 578 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:13:11,869 INFO L413 NwaCegarLoop]: 4051 mSDtfsCounter, 3322 mSDsluCounter, 3538 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3322 SdHoareTripleChecker+Valid, 7589 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-12 15:13:11,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3322 Valid, 7589 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-12 15:13:11,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4581 states. [2022-07-12 15:13:12,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4581 to 4581. [2022-07-12 15:13:12,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4581 states, 3473 states have (on average 1.4229772530953066) internal successors, (4942), 3536 states have internal predecessors, (4942), 967 states have call successors, (967), 141 states have call predecessors, (967), 140 states have return successors, (963), 923 states have call predecessors, (963), 963 states have call successors, (963) [2022-07-12 15:13:12,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4581 states to 4581 states and 6872 transitions. [2022-07-12 15:13:12,107 INFO L78 Accepts]: Start accepts. Automaton has 4581 states and 6872 transitions. Word has length 580 [2022-07-12 15:13:12,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:13:12,109 INFO L495 AbstractCegarLoop]: Abstraction has 4581 states and 6872 transitions. [2022-07-12 15:13:12,109 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (55), 3 states have call predecessors, (55), 3 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2022-07-12 15:13:12,109 INFO L276 IsEmpty]: Start isEmpty. Operand 4581 states and 6872 transitions. [2022-07-12 15:13:12,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 640 [2022-07-12 15:13:12,131 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:13:12,132 INFO L195 NwaCegarLoop]: trace histogram [54, 54, 50, 50, 50, 50, 50, 50, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:13:12,251 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-12 15:13:12,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:13:12,348 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 15:13:12,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:13:12,349 INFO L85 PathProgramCache]: Analyzing trace with hash 2098084385, now seen corresponding path program 1 times [2022-07-12 15:13:12,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:13:12,354 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [820083776] [2022-07-12 15:13:12,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:13:12,354 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:13:12,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:13:12,356 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) [2022-07-12 15:13:12,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 15:13:19,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:19,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 5280 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:13:19,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:13:20,322 INFO L134 CoverageAnalysis]: Checked inductivity of 11679 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 11496 trivial. 0 not checked. [2022-07-12 15:13:20,322 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:13:20,322 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:13:20,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [820083776] [2022-07-12 15:13:20,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [820083776] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:13:20,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:13:20,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:13:20,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674214671] [2022-07-12 15:13:20,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:13:20,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:13:20,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:13:20,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:13:20,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:13:20,328 INFO L87 Difference]: Start difference. First operand 4581 states and 6872 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (62), 3 states have call predecessors, (62), 3 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2022-07-12 15:13:21,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:13:21,789 INFO L93 Difference]: Finished difference Result 9068 states and 13605 transitions. [2022-07-12 15:13:21,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:13:21,790 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (62), 3 states have call predecessors, (62), 3 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) Word has length 639 [2022-07-12 15:13:21,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:13:21,850 INFO L225 Difference]: With dead ends: 9068 [2022-07-12 15:13:21,850 INFO L226 Difference]: Without dead ends: 6772 [2022-07-12 15:13:21,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 638 GetRequests, 637 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:13:21,871 INFO L413 NwaCegarLoop]: 6862 mSDtfsCounter, 3283 mSDsluCounter, 3546 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3283 SdHoareTripleChecker+Valid, 10408 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-12 15:13:21,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3283 Valid, 10408 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-12 15:13:21,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6772 states. [2022-07-12 15:13:22,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6772 to 6772. [2022-07-12 15:13:22,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6772 states, 5153 states have (on average 1.4263535804385794) internal successors, (7350), 5246 states have internal predecessors, (7350), 1409 states have call successors, (1409), 210 states have call predecessors, (1409), 209 states have return successors, (1405), 1345 states have call predecessors, (1405), 1405 states have call successors, (1405) [2022-07-12 15:13:22,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6772 states to 6772 states and 10164 transitions. [2022-07-12 15:13:22,210 INFO L78 Accepts]: Start accepts. Automaton has 6772 states and 10164 transitions. Word has length 639 [2022-07-12 15:13:22,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:13:22,212 INFO L495 AbstractCegarLoop]: Abstraction has 6772 states and 10164 transitions. [2022-07-12 15:13:22,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 3 states have call successors, (62), 3 states have call predecessors, (62), 3 states have return successors, (60), 3 states have call predecessors, (60), 3 states have call successors, (60) [2022-07-12 15:13:22,213 INFO L276 IsEmpty]: Start isEmpty. Operand 6772 states and 10164 transitions. [2022-07-12 15:13:22,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 640 [2022-07-12 15:13:22,236 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:13:22,237 INFO L195 NwaCegarLoop]: trace histogram [54, 54, 50, 50, 50, 50, 50, 50, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:13:22,365 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-12 15:13:22,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:13:22,460 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 15:13:22,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:13:22,461 INFO L85 PathProgramCache]: Analyzing trace with hash -273654877, now seen corresponding path program 1 times [2022-07-12 15:13:22,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:13:22,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [153618557] [2022-07-12 15:13:22,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:13:22,471 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:13:22,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:13:22,473 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) [2022-07-12 15:13:22,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 15:13:29,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:13:29,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 5280 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 15:13:29,625 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:13:56,758 INFO L134 CoverageAnalysis]: Checked inductivity of 11679 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11679 trivial. 0 not checked. [2022-07-12 15:13:56,759 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:13:56,759 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:13:56,759 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [153618557] [2022-07-12 15:13:56,759 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [153618557] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:13:56,759 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:13:56,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 15:13:56,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145158592] [2022-07-12 15:13:56,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:13:56,760 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 15:13:56,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:13:56,761 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 15:13:56,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 15:13:56,761 INFO L87 Difference]: Start difference. First operand 6772 states and 10164 transitions. Second operand has 5 states, 5 states have (on average 19.6) internal successors, (98), 3 states have internal predecessors, (98), 1 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) [2022-07-12 15:13:57,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:13:57,831 INFO L93 Difference]: Finished difference Result 6778 states and 10169 transitions. [2022-07-12 15:13:57,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 15:13:57,833 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 3 states have internal predecessors, (98), 1 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) Word has length 639 [2022-07-12 15:13:57,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:13:57,880 INFO L225 Difference]: With dead ends: 6778 [2022-07-12 15:13:57,881 INFO L226 Difference]: Without dead ends: 6776 [2022-07-12 15:13:57,888 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 640 GetRequests, 635 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-12 15:13:57,890 INFO L413 NwaCegarLoop]: 3576 mSDtfsCounter, 3372 mSDsluCounter, 7141 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3373 SdHoareTripleChecker+Valid, 10717 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-12 15:13:57,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3373 Valid, 10717 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-12 15:13:57,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6776 states. [2022-07-12 15:13:58,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6776 to 6776. [2022-07-12 15:13:58,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6776 states, 5156 states have (on average 1.4261055081458496) internal successors, (7353), 5249 states have internal predecessors, (7353), 1409 states have call successors, (1409), 211 states have call predecessors, (1409), 210 states have return successors, (1405), 1345 states have call predecessors, (1405), 1405 states have call successors, (1405) [2022-07-12 15:13:58,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6776 states to 6776 states and 10167 transitions. [2022-07-12 15:13:58,294 INFO L78 Accepts]: Start accepts. Automaton has 6776 states and 10167 transitions. Word has length 639 [2022-07-12 15:13:58,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:13:58,299 INFO L495 AbstractCegarLoop]: Abstraction has 6776 states and 10167 transitions. [2022-07-12 15:13:58,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.6) internal successors, (98), 3 states have internal predecessors, (98), 1 states have call successors, (61), 2 states have call predecessors, (61), 1 states have return successors, (59), 1 states have call predecessors, (59), 1 states have call successors, (59) [2022-07-12 15:13:58,300 INFO L276 IsEmpty]: Start isEmpty. Operand 6776 states and 10167 transitions. [2022-07-12 15:13:58,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 645 [2022-07-12 15:13:58,325 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:13:58,326 INFO L195 NwaCegarLoop]: trace histogram [54, 54, 50, 50, 50, 50, 50, 50, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:13:58,450 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-12 15:13:58,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:13:58,543 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 15:13:58,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:13:58,544 INFO L85 PathProgramCache]: Analyzing trace with hash 355514749, now seen corresponding path program 1 times [2022-07-12 15:13:58,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:13:58,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [875492178] [2022-07-12 15:13:58,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:13:58,555 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:13:58,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:13:58,556 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) [2022-07-12 15:13:58,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-12 15:14:05,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:05,499 INFO L263 TraceCheckSpWp]: Trace formula consists of 5287 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 15:14:05,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:14:31,871 INFO L134 CoverageAnalysis]: Checked inductivity of 11681 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 11679 trivial. 0 not checked. [2022-07-12 15:14:31,872 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 15:14:38,702 INFO L134 CoverageAnalysis]: Checked inductivity of 11681 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11679 trivial. 0 not checked. [2022-07-12 15:14:38,702 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:14:38,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [875492178] [2022-07-12 15:14:38,703 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [875492178] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-12 15:14:38,703 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 15:14:38,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-12 15:14:38,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761607322] [2022-07-12 15:14:38,704 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:14:38,704 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 15:14:38,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:14:38,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 15:14:38,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 15:14:38,706 INFO L87 Difference]: Start difference. First operand 6776 states and 10167 transitions. Second operand has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (62), 3 states have call predecessors, (62), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2022-07-12 15:14:39,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:14:39,947 INFO L93 Difference]: Finished difference Result 6782 states and 10172 transitions. [2022-07-12 15:14:39,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 15:14:39,948 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (62), 3 states have call predecessors, (62), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) Word has length 644 [2022-07-12 15:14:39,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:14:40,008 INFO L225 Difference]: With dead ends: 6782 [2022-07-12 15:14:40,009 INFO L226 Difference]: Without dead ends: 6780 [2022-07-12 15:14:40,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1289 GetRequests, 1281 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-12 15:14:40,021 INFO L413 NwaCegarLoop]: 3579 mSDtfsCounter, 3432 mSDsluCounter, 7140 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3441 SdHoareTripleChecker+Valid, 10719 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-12 15:14:40,022 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3441 Valid, 10719 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-12 15:14:40,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6780 states. [2022-07-12 15:14:40,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6780 to 6780. [2022-07-12 15:14:40,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6780 states, 5159 states have (on average 1.425857724365187) internal successors, (7356), 5252 states have internal predecessors, (7356), 1409 states have call successors, (1409), 212 states have call predecessors, (1409), 211 states have return successors, (1405), 1345 states have call predecessors, (1405), 1405 states have call successors, (1405) [2022-07-12 15:14:40,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6780 states to 6780 states and 10170 transitions. [2022-07-12 15:14:40,354 INFO L78 Accepts]: Start accepts. Automaton has 6780 states and 10170 transitions. Word has length 644 [2022-07-12 15:14:40,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:14:40,355 INFO L495 AbstractCegarLoop]: Abstraction has 6780 states and 10170 transitions. [2022-07-12 15:14:40,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 20.2) internal successors, (101), 4 states have internal predecessors, (101), 2 states have call successors, (62), 3 states have call predecessors, (62), 1 states have return successors, (60), 2 states have call predecessors, (60), 2 states have call successors, (60) [2022-07-12 15:14:40,355 INFO L276 IsEmpty]: Start isEmpty. Operand 6780 states and 10170 transitions. [2022-07-12 15:14:40,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 660 [2022-07-12 15:14:40,382 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:14:40,383 INFO L195 NwaCegarLoop]: trace histogram [54, 54, 50, 50, 50, 50, 50, 50, 5, 5, 5, 3, 2, 2, 2, 2, 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, 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, 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, 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, 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] [2022-07-12 15:14:40,514 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-12 15:14:40,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:14:40,604 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-12 15:14:40,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:14:40,604 INFO L85 PathProgramCache]: Analyzing trace with hash 107018559, now seen corresponding path program 1 times [2022-07-12 15:14:40,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:14:40,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [73900499] [2022-07-12 15:14:40,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:14:40,608 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:14:40,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:14:40,609 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) [2022-07-12 15:14:40,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-12 15:14:47,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:14:47,556 INFO L263 TraceCheckSpWp]: Trace formula consists of 5337 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:14:47,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:14:48,026 INFO L134 CoverageAnalysis]: Checked inductivity of 11697 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 11508 trivial. 0 not checked. [2022-07-12 15:14:48,026 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:14:48,027 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:14:48,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [73900499] [2022-07-12 15:14:48,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [73900499] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:14:48,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:14:48,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:14:48,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861622724] [2022-07-12 15:14:48,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:14:48,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:14:48,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:14:48,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:14:48,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:14:48,029 INFO L87 Difference]: Start difference. First operand 6780 states and 10170 transitions. Second operand has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) [2022-07-12 15:14:49,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:14:49,520 INFO L93 Difference]: Finished difference Result 13492 states and 20235 transitions. [2022-07-12 15:14:49,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:14:49,521 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (66), 3 states have call predecessors, (66), 3 states have return successors, (64), 3 states have call predecessors, (64), 3 states have call successors, (64) Word has length 659 [2022-07-12 15:14:49,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:14:49,586 INFO L225 Difference]: With dead ends: 13492 [2022-07-12 15:14:49,587 INFO L226 Difference]: Without dead ends: 8997 [2022-07-12 15:14:49,623 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 658 GetRequests, 657 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:14:49,624 INFO L413 NwaCegarLoop]: 6873 mSDtfsCounter, 3313 mSDsluCounter, 3548 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3313 SdHoareTripleChecker+Valid, 10421 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-12 15:14:49,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3313 Valid, 10421 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-12 15:14:49,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8997 states. [2022-07-12 15:14:50,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8997 to 8972. [2022-07-12 15:14:50,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8972 states, 6840 states have (on average 1.4276315789473684) internal successors, (9765), 6963 states have internal predecessors, (9765), 1851 states have call successors, (1851), 281 states have call predecessors, (1851), 280 states have return successors, (1847), 1767 states have call predecessors, (1847), 1847 states have call successors, (1847)