./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 eb692b52 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-?-eb692b5 [2022-07-20 02:13:32,846 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 02:13:32,847 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 02:13:32,868 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 02:13:32,869 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 02:13:32,869 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 02:13:32,870 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 02:13:32,872 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 02:13:32,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 02:13:32,873 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 02:13:32,874 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 02:13:32,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 02:13:32,875 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 02:13:32,876 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 02:13:32,877 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 02:13:32,878 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 02:13:32,878 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 02:13:32,879 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 02:13:32,880 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 02:13:32,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 02:13:32,882 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 02:13:32,883 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 02:13:32,884 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 02:13:32,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 02:13:32,885 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 02:13:32,887 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 02:13:32,888 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 02:13:32,888 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 02:13:32,889 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 02:13:32,889 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 02:13:32,890 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 02:13:32,890 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 02:13:32,891 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 02:13:32,891 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 02:13:32,892 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 02:13:32,892 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 02:13:32,893 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 02:13:32,893 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 02:13:32,893 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 02:13:32,894 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 02:13:32,894 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 02:13:32,895 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 02:13:32,896 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 02:13:32,911 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 02:13:32,912 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 02:13:32,912 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 02:13:32,912 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 02:13:32,913 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 02:13:32,913 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 02:13:32,914 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 02:13:32,914 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 02:13:32,914 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 02:13:32,914 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 02:13:32,914 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 02:13:32,915 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 02:13:32,915 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 02:13:32,915 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 02:13:32,915 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 02:13:32,915 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 02:13:32,916 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 02:13:32,916 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 02:13:32,916 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 02:13:32,916 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 02:13:32,917 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 02:13:32,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 02:13:32,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 02:13:32,917 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 02:13:32,917 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 02:13:32,918 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 02:13:32,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 02:13:32,918 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 02:13:32,918 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 02:13:32,918 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 02:13:32,919 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f9bfbf18bd1a8f897b5856873eb861685bb3fceaaaa2b43412659a46f6a58059 [2022-07-20 02:13:33,082 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 02:13:33,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 02:13:33,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 02:13:33,107 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 02:13:33,108 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 02:13:33,109 INFO L432 ainManager$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 [2022-07-20 02:13:33,166 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b18b2540/132719d06d1e43ccb5ccbeb45f24a671/FLAG7be49f7b6 [2022-07-20 02:13:33,856 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 02:13:33,857 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 [2022-07-20 02:13:33,910 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b18b2540/132719d06d1e43ccb5ccbeb45f24a671/FLAG7be49f7b6 [2022-07-20 02:13:33,929 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b18b2540/132719d06d1e43ccb5ccbeb45f24a671 [2022-07-20 02:13:33,932 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 02:13:33,933 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 02:13:33,935 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 02:13:33,935 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 02:13:33,937 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 02:13:33,938 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:13:33" (1/1) ... [2022-07-20 02:13:33,939 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47eebb4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:13:33, skipping insertion in model container [2022-07-20 02:13:33,940 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:13:33" (1/1) ... [2022-07-20 02:13:33,946 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 02:13:34,094 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 02:13:37,371 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] [2022-07-20 02:13:37,374 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] [2022-07-20 02:13:37,379 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] [2022-07-20 02:13:37,380 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] [2022-07-20 02:13:37,396 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:13:37,438 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 02:13:37,707 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) [2022-07-20 02:13:37,717 INFO L158 Benchmark]: Toolchain (without parser) took 3782.17ms. Allocated memory was 148.9MB in the beginning and 241.2MB in the end (delta: 92.3MB). Free memory was 102.9MB in the beginning and 158.2MB in the end (delta: -55.4MB). Peak memory consumption was 104.7MB. Max. memory is 16.1GB. [2022-07-20 02:13:37,717 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 92.3MB. Free memory was 50.0MB in the beginning and 49.9MB in the end (delta: 45.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 02:13:37,719 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3779.74ms. Allocated memory was 148.9MB in the beginning and 241.2MB in the end (delta: 92.3MB). Free memory was 102.5MB in the beginning and 158.2MB in the end (delta: -55.7MB). Peak memory consumption was 104.7MB. Max. memory is 16.1GB. [2022-07-20 02:13:37,721 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 92.3MB. Free memory was 50.0MB in the beginning and 49.9MB in the end (delta: 45.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3779.74ms. Allocated memory was 148.9MB in the beginning and 241.2MB in the end (delta: 92.3MB). Free memory was 102.5MB in the beginning and 158.2MB in the end (delta: -55.7MB). Peak memory consumption was 104.7MB. 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-?-eb692b5 [2022-07-20 02:13:39,567 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 02:13:39,569 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 02:13:39,590 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 02:13:39,590 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 02:13:39,591 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 02:13:39,592 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 02:13:39,594 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 02:13:39,595 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 02:13:39,596 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 02:13:39,597 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 02:13:39,597 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 02:13:39,598 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 02:13:39,599 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 02:13:39,599 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 02:13:39,600 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 02:13:39,601 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 02:13:39,602 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 02:13:39,603 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 02:13:39,609 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 02:13:39,614 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 02:13:39,616 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 02:13:39,616 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 02:13:39,618 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 02:13:39,620 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 02:13:39,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 02:13:39,627 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 02:13:39,628 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 02:13:39,629 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 02:13:39,629 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 02:13:39,630 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 02:13:39,631 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 02:13:39,632 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 02:13:39,632 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 02:13:39,633 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 02:13:39,635 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 02:13:39,638 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 02:13:39,639 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 02:13:39,639 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 02:13:39,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 02:13:39,640 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 02:13:39,641 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 02:13:39,643 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-20 02:13:39,670 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 02:13:39,670 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 02:13:39,671 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 02:13:39,671 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 02:13:39,672 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 02:13:39,672 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 02:13:39,673 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 02:13:39,673 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 02:13:39,673 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 02:13:39,674 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 02:13:39,674 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 02:13:39,674 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 02:13:39,674 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 02:13:39,675 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 02:13:39,675 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-20 02:13:39,675 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-20 02:13:39,675 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-20 02:13:39,675 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 02:13:39,675 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 02:13:39,676 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 02:13:39,676 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 02:13:39,676 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 02:13:39,676 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 02:13:39,676 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 02:13:39,677 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 02:13:39,677 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 02:13:39,677 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 02:13:39,677 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-20 02:13:39,677 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-20 02:13:39,677 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 02:13:39,678 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 02:13:39,678 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 02:13:39,678 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-20 02:13:39,678 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f9bfbf18bd1a8f897b5856873eb861685bb3fceaaaa2b43412659a46f6a58059 [2022-07-20 02:13:40,175 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 02:13:40,202 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 02:13:40,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 02:13:40,205 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 02:13:40,206 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 02:13:40,208 INFO L432 ainManager$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 [2022-07-20 02:13:40,268 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc0de1629/8e9b307656354d849006c1cdea17b2ac/FLAG8e3b28575 [2022-07-20 02:13:41,131 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 02:13:41,131 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 [2022-07-20 02:13:41,220 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc0de1629/8e9b307656354d849006c1cdea17b2ac/FLAG8e3b28575 [2022-07-20 02:13:41,290 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc0de1629/8e9b307656354d849006c1cdea17b2ac [2022-07-20 02:13:41,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 02:13:41,294 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 02:13:41,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 02:13:41,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 02:13:41,298 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 02:13:41,299 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:13:41" (1/1) ... [2022-07-20 02:13:41,301 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7051a971 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:13:41, skipping insertion in model container [2022-07-20 02:13:41,301 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:13:41" (1/1) ... [2022-07-20 02:13:41,305 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 02:13:41,491 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 02:13:43,924 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] [2022-07-20 02:13:43,927 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] [2022-07-20 02:13:43,928 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] [2022-07-20 02:13:43,928 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] [2022-07-20 02:13:43,936 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:13:43,998 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-20 02:13:44,070 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 02:13:44,401 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] [2022-07-20 02:13:44,402 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] [2022-07-20 02:13:44,402 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] [2022-07-20 02:13:44,402 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] [2022-07-20 02:13:44,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:13:44,440 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 02:13:44,770 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] [2022-07-20 02:13:44,771 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] [2022-07-20 02:13:44,771 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] [2022-07-20 02:13:44,771 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] [2022-07-20 02:13:44,773 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:13:44,989 INFO L208 MainTranslator]: Completed translation [2022-07-20 02:13:44,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:13:44 WrapperNode [2022-07-20 02:13:44,989 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 02:13:44,990 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 02:13:44,990 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 02:13:44,991 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 02:13:44,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:13:44" (1/1) ... [2022-07-20 02:13:45,087 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:13:44" (1/1) ... [2022-07-20 02:13:45,273 INFO L137 Inliner]: procedures = 386, calls = 4326, calls flagged for inlining = 168, calls inlined = 151, statements flattened = 6806 [2022-07-20 02:13:45,274 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 02:13:45,274 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 02:13:45,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 02:13:45,275 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 02:13:45,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:13:44" (1/1) ... [2022-07-20 02:13:45,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:13:44" (1/1) ... [2022-07-20 02:13:45,325 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:13:44" (1/1) ... [2022-07-20 02:13:45,326 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:13:44" (1/1) ... [2022-07-20 02:13:45,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:13:44" (1/1) ... [2022-07-20 02:13:45,456 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:13:44" (1/1) ... [2022-07-20 02:13:45,490 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:13:44" (1/1) ... [2022-07-20 02:13:45,529 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 02:13:45,531 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 02:13:45,531 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 02:13:45,531 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 02:13:45,532 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:13:44" (1/1) ... [2022-07-20 02:13:45,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 02:13:45,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 02:13:45,564 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) [2022-07-20 02:13:45,589 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 [2022-07-20 02:13:45,612 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_read_reg [2022-07-20 02:13:45,613 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_read_reg [2022-07-20 02:13:45,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_mxl111sf_usb_driver_exit_11_2 [2022-07-20 02:13:45,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_mxl111sf_usb_driver_exit_11_2 [2022-07-20 02:13:45,613 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 02:13:45,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 02:13:45,613 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lg2160_frontend_attach [2022-07-20 02:13:45,613 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lg2160_frontend_attach [2022-07-20 02:13:45,614 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_stop [2022-07-20 02:13:45,614 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_stop [2022-07-20 02:13:45,614 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_config_pin_mux_modes [2022-07-20 02:13:45,614 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_config_pin_mux_modes [2022-07-20 02:13:45,614 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_start [2022-07-20 02:13:45,614 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_start [2022-07-20 02:13:45,614 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_xfer [2022-07-20 02:13:45,614 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_xfer [2022-07-20 02:13:45,615 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_put [2022-07-20 02:13:45,615 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_put [2022-07-20 02:13:45,615 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_stream_config_isoc [2022-07-20 02:13:45,615 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_stream_config_isoc [2022-07-20 02:13:45,616 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_atsc [2022-07-20 02:13:45,616 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_atsc [2022-07-20 02:13:45,616 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_write_reg_mask [2022-07-20 02:13:45,616 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_write_reg_mask [2022-07-20 02:13:45,616 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_soft_reset [2022-07-20 02:13:45,616 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_soft_reset [2022-07-20 02:13:45,616 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_stream_config_bulk [2022-07-20 02:13:45,616 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_stream_config_bulk [2022-07-20 02:13:45,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 02:13:45,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 02:13:45,617 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 02:13:45,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 02:13:45,617 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init_tuner_demod [2022-07-20 02:13:45,617 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init_tuner_demod [2022-07-20 02:13:45,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 02:13:45,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-20 02:13:45,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-20 02:13:45,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-20 02:13:45,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-20 02:13:45,619 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lgdt3305_frontend_attach [2022-07-20 02:13:45,619 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lgdt3305_frontend_attach [2022-07-20 02:13:45,619 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ctrl_msg [2022-07-20 02:13:45,619 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ctrl_msg [2022-07-20 02:13:45,620 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 02:13:45,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 02:13:45,620 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep4_streaming_ctrl [2022-07-20 02:13:45,620 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep4_streaming_ctrl [2022-07-20 02:13:45,620 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-20 02:13:45,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-20 02:13:45,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-20 02:13:45,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-20 02:13:45,621 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_hw_set_gpio [2022-07-20 02:13:45,621 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_hw_set_gpio [2022-07-20 02:13:45,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 02:13:45,621 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-20 02:13:45,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-20 02:13:45,622 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-20 02:13:45,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-20 02:13:45,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 02:13:45,623 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 02:13:45,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 02:13:45,623 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ctrl_program_regs [2022-07-20 02:13:45,623 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ctrl_program_regs [2022-07-20 02:13:45,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 02:13:45,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-20 02:13:45,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-20 02:13:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-20 02:13:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_gpio_mode_switch [2022-07-20 02:13:45,624 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_gpio_mode_switch [2022-07-20 02:13:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_set_ant_path [2022-07-20 02:13:45,624 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_set_ant_path [2022-07-20 02:13:45,624 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_disconnect [2022-07-20 02:13:45,625 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_disconnect [2022-07-20 02:13:45,625 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_atsc_mh [2022-07-20 02:13:45,625 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_atsc_mh [2022-07-20 02:13:45,625 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_attach_demod [2022-07-20 02:13:45,625 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_attach_demod [2022-07-20 02:13:45,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-20 02:13:45,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 02:13:45,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 02:13:45,626 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_streaming_ctrl_mercury_mh [2022-07-20 02:13:45,626 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_streaming_ctrl_mercury_mh [2022-07-20 02:13:45,626 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-20 02:13:45,626 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mercury [2022-07-20 02:13:45,627 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mercury [2022-07-20 02:13:45,627 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-20 02:13:45,627 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-20 02:13:45,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-20 02:13:45,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 02:13:45,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-20 02:13:45,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 02:13:45,627 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 02:13:45,628 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 02:13:45,628 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2022-07-20 02:13:45,628 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2022-07-20 02:13:45,628 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-20 02:13:45,628 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-20 02:13:45,628 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_adap_fe_sleep [2022-07-20 02:13:45,629 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_adap_fe_sleep [2022-07-20 02:13:45,629 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mh [2022-07-20 02:13:45,629 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mh [2022-07-20 02:13:45,629 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep6_streaming_ctrl [2022-07-20 02:13:45,630 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep6_streaming_ctrl [2022-07-20 02:13:45,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 02:13:45,634 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init [2022-07-20 02:13:45,634 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init [2022-07-20 02:13:45,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 02:13:45,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-20 02:13:45,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-20 02:13:45,635 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_adap_fe_init [2022-07-20 02:13:45,635 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_adap_fe_init [2022-07-20 02:13:45,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-20 02:13:45,635 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_bitbang_sendbyte [2022-07-20 02:13:45,635 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_bitbang_sendbyte [2022-07-20 02:13:45,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 02:13:45,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 02:13:45,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 02:13:45,636 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_check_status [2022-07-20 02:13:45,636 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_check_status [2022-07-20 02:13:45,636 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ep5_streaming_ctrl [2022-07-20 02:13:45,636 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ep5_streaming_ctrl [2022-07-20 02:13:45,636 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_7_4 [2022-07-20 02:13:45,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_7_4 [2022-07-20 02:13:45,636 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_dvbt [2022-07-20 02:13:45,637 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_dvbt [2022-07-20 02:13:45,637 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_set_gpio [2022-07-20 02:13:45,637 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_set_gpio [2022-07-20 02:13:45,637 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-20 02:13:45,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~$Pointer$ [2022-07-20 02:13:45,637 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-20 02:13:45,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-20 02:13:45,637 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_lg2161_ep6_frontend_attach [2022-07-20 02:13:45,637 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_lg2161_ep6_frontend_attach [2022-07-20 02:13:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_get_chip_info [2022-07-20 02:13:45,638 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_get_chip_info [2022-07-20 02:13:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_frontend_attach_mercury_mh [2022-07-20 02:13:45,638 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_frontend_attach_mercury_mh [2022-07-20 02:13:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-20 02:13:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-20 02:13:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_enable_usb_output [2022-07-20 02:13:45,638 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_enable_usb_output [2022-07-20 02:13:45,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-20 02:13:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-20 02:13:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-07-20 02:13:45,639 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-07-20 02:13:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_attach_tuner [2022-07-20 02:13:45,639 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_attach_tuner [2022-07-20 02:13:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 02:13:45,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 02:13:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_set_device_mode [2022-07-20 02:13:45,639 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_set_device_mode [2022-07-20 02:13:45,639 INFO L130 BoogieDeclarations]: Found specification of procedure __symbol_get [2022-07-20 02:13:45,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __symbol_get [2022-07-20 02:13:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_write_reg [2022-07-20 02:13:45,640 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_write_reg [2022-07-20 02:13:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 02:13:45,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 02:13:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_func [2022-07-20 02:13:45,640 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_func [2022-07-20 02:13:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_ant_hunt [2022-07-20 02:13:45,640 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_ant_hunt [2022-07-20 02:13:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_init_port_expander [2022-07-20 02:13:45,641 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_init_port_expander [2022-07-20 02:13:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_send_data [2022-07-20 02:13:45,641 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_send_data [2022-07-20 02:13:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_resume [2022-07-20 02:13:45,641 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_resume [2022-07-20 02:13:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure mxl111sf_i2c_get_data [2022-07-20 02:13:45,641 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl111sf_i2c_get_data [2022-07-20 02:13:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-20 02:13:45,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-20 02:13:45,642 INFO L130 BoogieDeclarations]: Found specification of procedure dvb_usbv2_probe [2022-07-20 02:13:45,642 INFO L138 BoogieDeclarations]: Found implementation of procedure dvb_usbv2_probe [2022-07-20 02:13:45,642 INFO L130 BoogieDeclarations]: Found specification of procedure mxl1x1sf_top_master_ctrl [2022-07-20 02:13:45,642 INFO L138 BoogieDeclarations]: Found implementation of procedure mxl1x1sf_top_master_ctrl [2022-07-20 02:13:46,423 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 02:13:46,426 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 02:13:51,377 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 02:16:04,928 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-20 02:16:05,144 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 02:16:05,168 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 02:16:05,168 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-20 02:16:05,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:16:05 BoogieIcfgContainer [2022-07-20 02:16:05,171 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 02:16:05,172 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 02:16:05,172 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 02:16:05,175 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 02:16:05,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 02:13:41" (1/3) ... [2022-07-20 02:16:05,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@248969b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:16:05, skipping insertion in model container [2022-07-20 02:16:05,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:13:44" (2/3) ... [2022-07-20 02:16:05,176 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@248969b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:16:05, skipping insertion in model container [2022-07-20 02:16:05,176 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:16:05" (3/3) ... [2022-07-20 02:16:05,177 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 [2022-07-20 02:16:05,186 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 02:16:05,186 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-20 02:16:05,262 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 02:16:05,267 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@63c558d8, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6c44a900 [2022-07-20 02:16:05,267 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-20 02:16:05,277 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) [2022-07-20 02:16:05,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 581 [2022-07-20 02:16:05,316 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:16:05,317 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] [2022-07-20 02:16:05,317 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] === [2022-07-20 02:16:05,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:16:05,322 INFO L85 PathProgramCache]: Analyzing trace with hash 624059453, now seen corresponding path program 1 times [2022-07-20 02:16:05,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:16:05,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1259466825] [2022-07-20 02:16:05,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:16:05,340 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:16:05,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:16:05,357 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) [2022-07-20 02:16:05,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-20 02:16:12,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:13,013 INFO L263 TraceCheckSpWp]: Trace formula consists of 5152 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:16:13,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:16:13,923 INFO L134 CoverageAnalysis]: Checked inductivity of 11175 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 11025 trivial. 0 not checked. [2022-07-20 02:16:13,923 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:16:13,923 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:16:13,924 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1259466825] [2022-07-20 02:16:13,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1259466825] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:16:13,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:16:13,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:16:13,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433198843] [2022-07-20 02:16:13,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:16:13,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:16:13,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:16:13,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:16:13,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:16:13,953 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) [2022-07-20 02:16:15,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:16:15,430 INFO L93 Difference]: Finished difference Result 6893 states and 10370 transitions. [2022-07-20 02:16:15,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:16:15,433 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 [2022-07-20 02:16:15,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:16:15,485 INFO L225 Difference]: With dead ends: 6893 [2022-07-20 02:16:15,485 INFO L226 Difference]: Without dead ends: 4581 [2022-07-20 02:16:15,509 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 [2022-07-20 02:16:15,512 INFO L413 NwaCegarLoop]: 4051 mSDtfsCounter, 3322 mSDsluCounter, 3538 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.2s IncrementalHoareTripleChecker+Time [2022-07-20 02:16:15,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3322 Valid, 7589 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-20 02:16:15,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4581 states. [2022-07-20 02:16:15,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4581 to 4581. [2022-07-20 02:16:15,723 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) [2022-07-20 02:16:15,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4581 states to 4581 states and 6872 transitions. [2022-07-20 02:16:15,758 INFO L78 Accepts]: Start accepts. Automaton has 4581 states and 6872 transitions. Word has length 580 [2022-07-20 02:16:15,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:16:15,761 INFO L495 AbstractCegarLoop]: Abstraction has 4581 states and 6872 transitions. [2022-07-20 02:16:15,762 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) [2022-07-20 02:16:15,762 INFO L276 IsEmpty]: Start isEmpty. Operand 4581 states and 6872 transitions. [2022-07-20 02:16:15,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 640 [2022-07-20 02:16:15,783 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:16:15,784 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] [2022-07-20 02:16:15,894 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-20 02:16:15,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:16:15,986 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] === [2022-07-20 02:16:15,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:16:15,986 INFO L85 PathProgramCache]: Analyzing trace with hash 2098084385, now seen corresponding path program 1 times [2022-07-20 02:16:15,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:16:15,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1236730502] [2022-07-20 02:16:15,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:16:15,994 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:16:15,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:16:16,008 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) [2022-07-20 02:16:16,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-20 02:16:23,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:24,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 5280 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:16:24,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:16:24,896 INFO L134 CoverageAnalysis]: Checked inductivity of 11679 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 11496 trivial. 0 not checked. [2022-07-20 02:16:24,896 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:16:24,896 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:16:24,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1236730502] [2022-07-20 02:16:24,896 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1236730502] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:16:24,896 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:16:24,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:16:24,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128953185] [2022-07-20 02:16:24,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:16:24,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:16:24,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:16:24,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:16:24,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:16:24,900 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) [2022-07-20 02:16:26,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:16:26,307 INFO L93 Difference]: Finished difference Result 9068 states and 13605 transitions. [2022-07-20 02:16:26,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:16:26,308 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 [2022-07-20 02:16:26,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:16:26,356 INFO L225 Difference]: With dead ends: 9068 [2022-07-20 02:16:26,357 INFO L226 Difference]: Without dead ends: 6772 [2022-07-20 02:16:26,376 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 [2022-07-20 02:16:26,378 INFO L413 NwaCegarLoop]: 6862 mSDtfsCounter, 3283 mSDsluCounter, 3546 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.2s IncrementalHoareTripleChecker+Time [2022-07-20 02:16:26,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3283 Valid, 10408 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-20 02:16:26,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6772 states. [2022-07-20 02:16:26,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6772 to 6772. [2022-07-20 02:16:26,537 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) [2022-07-20 02:16:26,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6772 states to 6772 states and 10164 transitions. [2022-07-20 02:16:26,566 INFO L78 Accepts]: Start accepts. Automaton has 6772 states and 10164 transitions. Word has length 639 [2022-07-20 02:16:26,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:16:26,567 INFO L495 AbstractCegarLoop]: Abstraction has 6772 states and 10164 transitions. [2022-07-20 02:16:26,567 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) [2022-07-20 02:16:26,568 INFO L276 IsEmpty]: Start isEmpty. Operand 6772 states and 10164 transitions. [2022-07-20 02:16:26,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 640 [2022-07-20 02:16:26,585 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:16:26,585 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] [2022-07-20 02:16:26,703 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-20 02:16:26,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:16:26,812 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] === [2022-07-20 02:16:26,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:16:26,812 INFO L85 PathProgramCache]: Analyzing trace with hash -273654877, now seen corresponding path program 1 times [2022-07-20 02:16:26,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:16:26,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [15532240] [2022-07-20 02:16:26,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:16:26,817 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:16:26,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:16:26,824 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) [2022-07-20 02:16:26,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-20 02:16:34,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:16:34,609 INFO L263 TraceCheckSpWp]: Trace formula consists of 5280 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 02:16:34,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:17:00,836 INFO L134 CoverageAnalysis]: Checked inductivity of 11679 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11679 trivial. 0 not checked. [2022-07-20 02:17:00,839 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:17:00,839 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:17:00,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [15532240] [2022-07-20 02:17:00,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [15532240] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:17:00,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:17:00,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:17:00,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123044840] [2022-07-20 02:17:00,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:17:00,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 02:17:00,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:17:00,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 02:17:00,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:17:00,841 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) [2022-07-20 02:17:01,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:17:01,752 INFO L93 Difference]: Finished difference Result 6778 states and 10169 transitions. [2022-07-20 02:17:01,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:17:01,753 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 [2022-07-20 02:17:01,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:17:01,784 INFO L225 Difference]: With dead ends: 6778 [2022-07-20 02:17:01,784 INFO L226 Difference]: Without dead ends: 6776 [2022-07-20 02:17:01,788 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 [2022-07-20 02:17:01,788 INFO L413 NwaCegarLoop]: 3576 mSDtfsCounter, 3372 mSDsluCounter, 7141 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 02:17:01,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3373 Valid, 10717 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 02:17:01,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6776 states. [2022-07-20 02:17:01,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6776 to 6776. [2022-07-20 02:17:02,013 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) [2022-07-20 02:17:02,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6776 states to 6776 states and 10167 transitions. [2022-07-20 02:17:02,036 INFO L78 Accepts]: Start accepts. Automaton has 6776 states and 10167 transitions. Word has length 639 [2022-07-20 02:17:02,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:17:02,040 INFO L495 AbstractCegarLoop]: Abstraction has 6776 states and 10167 transitions. [2022-07-20 02:17:02,041 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) [2022-07-20 02:17:02,041 INFO L276 IsEmpty]: Start isEmpty. Operand 6776 states and 10167 transitions. [2022-07-20 02:17:02,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 645 [2022-07-20 02:17:02,058 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:17:02,058 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] [2022-07-20 02:17:02,144 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-20 02:17:02,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:17:02,275 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] === [2022-07-20 02:17:02,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:17:02,275 INFO L85 PathProgramCache]: Analyzing trace with hash 355514749, now seen corresponding path program 1 times [2022-07-20 02:17:02,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:17:02,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [898174320] [2022-07-20 02:17:02,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:17:02,279 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:17:02,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:17:02,282 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) [2022-07-20 02:17:02,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-20 02:17:09,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:09,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 5287 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 02:17:09,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:17:34,214 INFO L134 CoverageAnalysis]: Checked inductivity of 11681 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 11679 trivial. 0 not checked. [2022-07-20 02:17:34,214 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 02:17:40,979 INFO L134 CoverageAnalysis]: Checked inductivity of 11681 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11679 trivial. 0 not checked. [2022-07-20 02:17:40,979 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:17:40,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [898174320] [2022-07-20 02:17:40,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [898174320] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-20 02:17:40,979 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 02:17:40,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-20 02:17:40,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742486730] [2022-07-20 02:17:40,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:17:40,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 02:17:40,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:17:40,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 02:17:40,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:17:40,981 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) [2022-07-20 02:17:42,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:17:42,114 INFO L93 Difference]: Finished difference Result 6782 states and 10172 transitions. [2022-07-20 02:17:42,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 02:17:42,115 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 [2022-07-20 02:17:42,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:17:42,147 INFO L225 Difference]: With dead ends: 6782 [2022-07-20 02:17:42,148 INFO L226 Difference]: Without dead ends: 6780 [2022-07-20 02:17:42,151 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 [2022-07-20 02:17:42,152 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 [2022-07-20 02:17:42,167 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] [2022-07-20 02:17:42,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6780 states. [2022-07-20 02:17:42,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6780 to 6780. [2022-07-20 02:17:42,413 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) [2022-07-20 02:17:42,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6780 states to 6780 states and 10170 transitions. [2022-07-20 02:17:42,440 INFO L78 Accepts]: Start accepts. Automaton has 6780 states and 10170 transitions. Word has length 644 [2022-07-20 02:17:42,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:17:42,441 INFO L495 AbstractCegarLoop]: Abstraction has 6780 states and 10170 transitions. [2022-07-20 02:17:42,441 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) [2022-07-20 02:17:42,441 INFO L276 IsEmpty]: Start isEmpty. Operand 6780 states and 10170 transitions. [2022-07-20 02:17:42,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 660 [2022-07-20 02:17:42,457 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:17:42,458 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] [2022-07-20 02:17:42,558 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-07-20 02:17:42,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:17:42,672 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] === [2022-07-20 02:17:42,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:17:42,673 INFO L85 PathProgramCache]: Analyzing trace with hash 107018559, now seen corresponding path program 1 times [2022-07-20 02:17:42,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:17:42,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1875943515] [2022-07-20 02:17:42,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:17:42,678 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:17:42,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:17:42,679 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) [2022-07-20 02:17:42,681 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-20 02:17:50,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:17:50,624 INFO L263 TraceCheckSpWp]: Trace formula consists of 5337 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:17:50,633 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:17:51,164 INFO L134 CoverageAnalysis]: Checked inductivity of 11697 backedges. 189 proven. 0 refuted. 0 times theorem prover too weak. 11508 trivial. 0 not checked. [2022-07-20 02:17:51,164 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:17:51,164 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:17:51,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1875943515] [2022-07-20 02:17:51,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1875943515] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:17:51,164 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:17:51,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:17:51,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594504738] [2022-07-20 02:17:51,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:17:51,165 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:17:51,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:17:51,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:17:51,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:17:51,165 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) [2022-07-20 02:17:52,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:17:52,641 INFO L93 Difference]: Finished difference Result 13492 states and 20235 transitions. [2022-07-20 02:17:52,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:17:52,642 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 [2022-07-20 02:17:52,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:17:52,691 INFO L225 Difference]: With dead ends: 13492 [2022-07-20 02:17:52,692 INFO L226 Difference]: Without dead ends: 8997 [2022-07-20 02:17:52,716 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 [2022-07-20 02:17:52,718 INFO L413 NwaCegarLoop]: 6873 mSDtfsCounter, 3313 mSDsluCounter, 3548 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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 [2022-07-20 02:17:52,718 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] [2022-07-20 02:17:52,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8997 states. [2022-07-20 02:17:52,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8997 to 8972. [2022-07-20 02:17:52,970 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) [2022-07-20 02:17:53,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8972 states to 8972 states and 13463 transitions. [2022-07-20 02:17:53,001 INFO L78 Accepts]: Start accepts. Automaton has 8972 states and 13463 transitions. Word has length 659 [2022-07-20 02:17:53,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:17:53,002 INFO L495 AbstractCegarLoop]: Abstraction has 8972 states and 13463 transitions. [2022-07-20 02:17:53,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.333333333333336) internal successors, (118), 3 states have internal predecessors, (118), 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) [2022-07-20 02:17:53,002 INFO L276 IsEmpty]: Start isEmpty. Operand 8972 states and 13463 transitions. [2022-07-20 02:17:53,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 650 [2022-07-20 02:17:53,017 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:17:53,017 INFO L195 NwaCegarLoop]: trace histogram [54, 54, 50, 50, 50, 50, 50, 50, 4, 4, 4, 3, 2, 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] [2022-07-20 02:17:53,106 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-20 02:17:53,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:17:53,243 INFO L420 AbstractCegarLoop]: === Iteration 6 === 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] === [2022-07-20 02:17:53,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:17:53,244 INFO L85 PathProgramCache]: Analyzing trace with hash -2038428765, now seen corresponding path program 1 times [2022-07-20 02:17:53,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:17:53,247 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [410816383] [2022-07-20 02:17:53,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:17:53,248 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:17:53,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:17:53,249 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 02:17:53,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-20 02:18:00,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:18:00,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 5294 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 02:18:00,365 INFO L286 TraceCheckSpWp]: Computing forward predicates...