./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5a4efb80f78cf6db9ac1c2540f0e3afbb357842376bf73c44e7e4fa9311ea9dc --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 02:47:57,299 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 02:47:57,302 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 02:47:57,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 02:47:57,338 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 02:47:57,339 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 02:47:57,341 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 02:47:57,342 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 02:47:57,349 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 02:47:57,350 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 02:47:57,351 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 02:47:57,352 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 02:47:57,353 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 02:47:57,356 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 02:47:57,358 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 02:47:57,360 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 02:47:57,362 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 02:47:57,367 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 02:47:57,368 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 02:47:57,370 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 02:47:57,379 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 02:47:57,380 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 02:47:57,381 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 02:47:57,382 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 02:47:57,382 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 02:47:57,385 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 02:47:57,385 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 02:47:57,385 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 02:47:57,390 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 02:47:57,391 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 02:47:57,392 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 02:47:57,392 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 02:47:57,393 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 02:47:57,393 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 02:47:57,394 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 02:47:57,395 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 02:47:57,396 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 02:47:57,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 02:47:57,397 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 02:47:57,398 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 02:47:57,399 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 02:47:57,400 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 02:47:57,401 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 02:47:57,428 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 02:47:57,431 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 02:47:57,431 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 02:47:57,431 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 02:47:57,432 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 02:47:57,432 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 02:47:57,433 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 02:47:57,433 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 02:47:57,433 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 02:47:57,434 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 02:47:57,434 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 02:47:57,435 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 02:47:57,435 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 02:47:57,435 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 02:47:57,435 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 02:47:57,435 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 02:47:57,435 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 02:47:57,436 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 02:47:57,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 02:47:57,436 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 02:47:57,436 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 02:47:57,436 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 02:47:57,437 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 02:47:57,437 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 02:47:57,437 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 02:47:57,437 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 02:47:57,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 02:47:57,438 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 02:47:57,438 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 02:47:57,438 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 02:47:57,439 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a4efb80f78cf6db9ac1c2540f0e3afbb357842376bf73c44e7e4fa9311ea9dc [2022-07-20 02:47:57,686 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 02:47:57,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 02:47:57,718 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 02:47:57,719 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 02:47:57,719 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 02:47:57,720 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i [2022-07-20 02:47:57,800 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0eedc44cf/2dfe0fd3fd084711aa5a9275666aa579/FLAG61b28746b [2022-07-20 02:47:58,615 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 02:47:58,616 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i [2022-07-20 02:47:58,670 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0eedc44cf/2dfe0fd3fd084711aa5a9275666aa579/FLAG61b28746b [2022-07-20 02:47:58,807 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0eedc44cf/2dfe0fd3fd084711aa5a9275666aa579 [2022-07-20 02:47:58,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 02:47:58,810 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 02:47:58,812 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 02:47:58,813 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 02:47:58,818 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 02:47:58,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:47:58" (1/1) ... [2022-07-20 02:47:58,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75420201 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:47:58, skipping insertion in model container [2022-07-20 02:47:58,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:47:58" (1/1) ... [2022-07-20 02:47:58,825 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 02:47:58,991 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 02:48:02,422 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[508948,508961] [2022-07-20 02:48:02,425 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509114,509127] [2022-07-20 02:48:02,426 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509278,509291] [2022-07-20 02:48:02,427 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509443,509456] [2022-07-20 02:48:02,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:48:02,484 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 02:48:02,948 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.AssertionError: HeapLValues must be converted to RValue before their value can be queried. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:517) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-20 02:48:02,955 INFO L158 Benchmark]: Toolchain (without parser) took 4143.06ms. Allocated memory was 121.6MB in the beginning and 197.1MB in the end (delta: 75.5MB). Free memory was 86.6MB in the beginning and 64.5MB in the end (delta: 22.1MB). Peak memory consumption was 108.1MB. Max. memory is 16.1GB. [2022-07-20 02:48:02,956 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 96.5MB. Free memory was 53.9MB in the beginning and 53.9MB in the end (delta: 37.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 02:48:02,957 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4140.32ms. Allocated memory was 121.6MB in the beginning and 197.1MB in the end (delta: 75.5MB). Free memory was 86.6MB in the beginning and 64.5MB in the end (delta: 22.1MB). Peak memory consumption was 108.1MB. Max. memory is 16.1GB. [2022-07-20 02:48:02,958 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 96.5MB. Free memory was 53.9MB in the beginning and 53.9MB in the end (delta: 37.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4140.32ms. Allocated memory was 121.6MB in the beginning and 197.1MB in the end (delta: 75.5MB). Free memory was 86.6MB in the beginning and 64.5MB in the end (delta: 22.1MB). Peak memory consumption was 108.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: HeapLValues must be converted to RValue before their value can be queried. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: HeapLValues must be converted to RValue before their value can be queried.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5a4efb80f78cf6db9ac1c2540f0e3afbb357842376bf73c44e7e4fa9311ea9dc --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 02:48:04,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 02:48:04,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 02:48:04,830 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 02:48:04,830 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 02:48:04,832 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 02:48:04,835 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 02:48:04,838 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 02:48:04,840 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 02:48:04,844 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 02:48:04,845 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 02:48:04,847 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 02:48:04,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 02:48:04,849 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 02:48:04,851 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 02:48:04,856 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 02:48:04,857 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 02:48:04,859 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 02:48:04,860 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 02:48:04,866 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 02:48:04,867 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 02:48:04,872 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 02:48:04,875 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 02:48:04,876 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 02:48:04,877 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 02:48:04,884 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 02:48:04,884 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 02:48:04,885 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 02:48:04,885 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 02:48:04,886 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 02:48:04,887 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 02:48:04,887 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 02:48:04,888 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 02:48:04,889 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 02:48:04,890 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 02:48:04,891 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 02:48:04,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 02:48:04,892 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 02:48:04,892 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 02:48:04,892 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 02:48:04,893 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 02:48:04,894 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 02:48:04,900 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-20 02:48:04,938 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 02:48:04,938 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 02:48:04,939 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 02:48:04,939 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 02:48:04,940 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 02:48:04,940 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 02:48:04,941 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 02:48:04,941 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 02:48:04,941 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 02:48:04,942 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 02:48:04,942 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 02:48:04,942 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 02:48:04,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 02:48:04,943 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 02:48:04,943 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-20 02:48:04,943 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-20 02:48:04,943 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-20 02:48:04,944 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 02:48:04,944 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 02:48:04,944 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 02:48:04,944 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 02:48:04,944 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 02:48:04,945 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 02:48:04,945 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 02:48:04,945 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 02:48:04,945 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 02:48:04,945 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 02:48:04,946 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-20 02:48:04,946 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-20 02:48:04,946 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 02:48:04,946 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 02:48:04,947 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 02:48:04,947 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-20 02:48:04,947 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a4efb80f78cf6db9ac1c2540f0e3afbb357842376bf73c44e7e4fa9311ea9dc [2022-07-20 02:48:05,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 02:48:05,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 02:48:05,292 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 02:48:05,293 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 02:48:05,294 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 02:48:05,295 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i [2022-07-20 02:48:05,358 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04147bed7/a9c17d5a867b47ec8233d795c99ab855/FLAG5248024e6 [2022-07-20 02:48:06,267 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 02:48:06,268 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i [2022-07-20 02:48:06,342 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04147bed7/a9c17d5a867b47ec8233d795c99ab855/FLAG5248024e6 [2022-07-20 02:48:06,683 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04147bed7/a9c17d5a867b47ec8233d795c99ab855 [2022-07-20 02:48:06,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 02:48:06,695 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 02:48:06,698 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 02:48:06,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 02:48:06,701 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 02:48:06,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:48:06" (1/1) ... [2022-07-20 02:48:06,703 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65ddbd7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:48:06, skipping insertion in model container [2022-07-20 02:48:06,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:48:06" (1/1) ... [2022-07-20 02:48:06,709 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 02:48:06,944 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 02:48:10,444 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[508948,508961] [2022-07-20 02:48:10,447 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509114,509127] [2022-07-20 02:48:10,448 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509278,509291] [2022-07-20 02:48:10,448 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509443,509456] [2022-07-20 02:48:10,469 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:48:10,498 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-20 02:48:10,646 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 02:48:11,038 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[508948,508961] [2022-07-20 02:48:11,039 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509114,509127] [2022-07-20 02:48:11,040 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509278,509291] [2022-07-20 02:48:11,040 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509443,509456] [2022-07-20 02:48:11,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:48:11,053 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 02:48:11,634 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[508948,508961] [2022-07-20 02:48:11,635 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509114,509127] [2022-07-20 02:48:11,635 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509278,509291] [2022-07-20 02:48:11,636 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509443,509456] [2022-07-20 02:48:11,639 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:48:11,813 INFO L208 MainTranslator]: Completed translation [2022-07-20 02:48:11,814 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:48:11 WrapperNode [2022-07-20 02:48:11,815 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 02:48:11,816 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 02:48:11,816 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 02:48:11,817 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 02:48:11,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:48:11" (1/1) ... [2022-07-20 02:48:11,936 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:48:11" (1/1) ... [2022-07-20 02:48:12,173 INFO L137 Inliner]: procedures = 383, calls = 6116, calls flagged for inlining = 171, calls inlined = 146, statements flattened = 13554 [2022-07-20 02:48:12,174 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 02:48:12,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 02:48:12,174 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 02:48:12,175 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 02:48:12,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:48:11" (1/1) ... [2022-07-20 02:48:12,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:48:11" (1/1) ... [2022-07-20 02:48:12,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:48:11" (1/1) ... [2022-07-20 02:48:12,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:48:11" (1/1) ... [2022-07-20 02:48:12,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:48:11" (1/1) ... [2022-07-20 02:48:12,549 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:48:11" (1/1) ... [2022-07-20 02:48:12,588 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:48:11" (1/1) ... [2022-07-20 02:48:12,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 02:48:12,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 02:48:12,641 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 02:48:12,641 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 02:48:12,642 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:48:11" (1/1) ... [2022-07-20 02:48:12,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 02:48:12,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 02:48:12,673 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 02:48:12,702 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 02:48:12,718 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-20 02:48:12,718 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-20 02:48:12,718 INFO L130 BoogieDeclarations]: Found specification of procedure to_sd [2022-07-20 02:48:12,718 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sd [2022-07-20 02:48:12,719 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_tuner [2022-07-20 02:48:12,719 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_tuner [2022-07-20 02:48:12,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-20 02:48:12,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-20 02:48:12,723 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ctrl [2022-07-20 02:48:12,723 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ctrl [2022-07-20 02:48:12,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-20 02:48:12,724 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_s_parameters [2022-07-20 02:48:12,724 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_s_parameters [2022-07-20 02:48:12,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 02:48:12,724 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-20 02:48:12,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 02:48:12,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 02:48:12,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 02:48:12,725 INFO L130 BoogieDeclarations]: Found specification of procedure input_change [2022-07-20 02:48:12,725 INFO L138 BoogieDeclarations]: Found implementation of procedure input_change [2022-07-20 02:48:12,725 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_g_parameters [2022-07-20 02:48:12,726 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_g_parameters [2022-07-20 02:48:12,726 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_querymenu [2022-07-20 02:48:12,726 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_querymenu [2022-07-20 02:48:12,726 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-20 02:48:12,726 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-20 02:48:12,726 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_probe [2022-07-20 02:48:12,727 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_probe [2022-07-20 02:48:12,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 02:48:12,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 02:48:12,727 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-20 02:48:12,727 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-20 02:48:12,727 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_shutdown [2022-07-20 02:48:12,728 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_shutdown [2022-07-20 02:48:12,728 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx2388x [2022-07-20 02:48:12,728 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx2388x [2022-07-20 02:48:12,728 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_tuner [2022-07-20 02:48:12,728 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_tuner [2022-07-20 02:48:12,729 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx2583x [2022-07-20 02:48:12,729 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx2583x [2022-07-20 02:48:12,729 INFO L130 BoogieDeclarations]: Found specification of procedure to_ir_state [2022-07-20 02:48:12,730 INFO L138 BoogieDeclarations]: Found implementation of procedure to_ir_state [2022-07-20 02:48:12,730 INFO L130 BoogieDeclarations]: Found specification of procedure control_tx_enable [2022-07-20 02:48:12,731 INFO L138 BoogieDeclarations]: Found implementation of procedure control_tx_enable [2022-07-20 02:48:12,731 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_width_count_to_ns [2022-07-20 02:48:12,731 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_width_count_to_ns [2022-07-20 02:48:12,731 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-20 02:48:12,731 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-20 02:48:12,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 02:48:12,732 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 02:48:12,732 INFO L130 BoogieDeclarations]: Found specification of procedure carrier_freq_to_clock_divider [2022-07-20 02:48:12,732 INFO L138 BoogieDeclarations]: Found implementation of procedure carrier_freq_to_clock_divider [2022-07-20 02:48:12,732 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_demodulation_enable [2022-07-20 02:48:12,732 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_demodulation_enable [2022-07-20 02:48:12,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-07-20 02:48:12,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-07-20 02:48:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 02:48:12,733 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 02:48:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 02:48:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-20 02:48:12,733 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-20 02:48:12,733 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_write [2022-07-20 02:48:12,733 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_write [2022-07-20 02:48:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 02:48:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_mbus_fmt [2022-07-20 02:48:12,734 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_mbus_fmt [2022-07-20 02:48:12,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 02:48:12,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 02:48:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2022-07-20 02:48:12,735 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2022-07-20 02:48:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2022-07-20 02:48:12,735 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2022-07-20 02:48:12,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 02:48:12,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 02:48:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-20 02:48:12,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-20 02:48:12,736 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-20 02:48:12,737 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-20 02:48:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure set_volume [2022-07-20 02:48:12,737 INFO L138 BoogieDeclarations]: Found implementation of procedure set_volume [2022-07-20 02:48:12,737 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_sliced_fmt [2022-07-20 02:48:12,738 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_sliced_fmt [2022-07-20 02:48:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_initialize [2022-07-20 02:48:12,738 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_initialize [2022-07-20 02:48:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-20 02:48:12,738 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ext_ctrls [2022-07-20 02:48:12,738 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ext_ctrls [2022-07-20 02:48:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-20 02:48:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-20 02:48:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 02:48:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-20 02:48:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 02:48:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-20 02:48:12,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-20 02:48:12,740 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-20 02:48:12,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-20 02:48:12,740 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-20 02:48:12,740 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-20 02:48:12,740 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2022-07-20 02:48:12,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2022-07-20 02:48:12,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 02:48:12,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 02:48:12,742 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_resolution [2022-07-20 02:48:12,743 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_resolution [2022-07-20 02:48:12,744 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-20 02:48:12,744 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-20 02:48:12,744 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_try_ext_ctrls [2022-07-20 02:48:12,744 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_try_ext_ctrls [2022-07-20 02:48:12,745 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_rx_params_lock_of_cx25840_ir_state [2022-07-20 02:48:12,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_rx_params_lock_of_cx25840_ir_state [2022-07-20 02:48:12,745 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-20 02:48:12,746 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-20 02:48:12,750 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata___0 [2022-07-20 02:48:12,750 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata___0 [2022-07-20 02:48:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure cx25836_initialize [2022-07-20 02:48:12,751 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25836_initialize [2022-07-20 02:48:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_write4 [2022-07-20 02:48:12,751 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_write4 [2022-07-20 02:48:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ext_ctrls [2022-07-20 02:48:12,751 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ext_ctrls [2022-07-20 02:48:12,751 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_frequency [2022-07-20 02:48:12,752 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_frequency [2022-07-20 02:48:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 02:48:12,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 02:48:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_std_setup [2022-07-20 02:48:12,752 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_std_setup [2022-07-20 02:48:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-20 02:48:12,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-20 02:48:12,752 INFO L130 BoogieDeclarations]: Found specification of procedure irqenable_tx [2022-07-20 02:48:12,753 INFO L138 BoogieDeclarations]: Found implementation of procedure irqenable_tx [2022-07-20 02:48:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2022-07-20 02:48:12,753 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2022-07-20 02:48:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_queryctrl [2022-07-20 02:48:12,753 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_queryctrl [2022-07-20 02:48:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 02:48:12,753 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 02:48:12,753 INFO L130 BoogieDeclarations]: Found specification of procedure control_tx_modulation_enable [2022-07-20 02:48:12,754 INFO L138 BoogieDeclarations]: Found implementation of procedure control_tx_modulation_enable [2022-07-20 02:48:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure cx23885_initialize [2022-07-20 02:48:12,755 INFO L138 BoogieDeclarations]: Found implementation of procedure cx23885_initialize [2022-07-20 02:48:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_raw_fmt [2022-07-20 02:48:12,755 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_raw_fmt [2022-07-20 02:48:12,755 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_freq [2022-07-20 02:48:12,756 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_freq [2022-07-20 02:48:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_std [2022-07-20 02:48:12,756 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_std [2022-07-20 02:48:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_and_or [2022-07-20 02:48:12,756 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_and_or [2022-07-20 02:48:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ctrl [2022-07-20 02:48:12,756 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ctrl [2022-07-20 02:48:12,756 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-20 02:48:12,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-20 02:48:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_s_parameters [2022-07-20 02:48:12,757 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_s_parameters [2022-07-20 02:48:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure to_state [2022-07-20 02:48:12,757 INFO L138 BoogieDeclarations]: Found implementation of procedure to_state [2022-07-20 02:48:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure set_audclk_freq [2022-07-20 02:48:12,757 INFO L138 BoogieDeclarations]: Found implementation of procedure set_audclk_freq [2022-07-20 02:48:12,757 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_register [2022-07-20 02:48:12,758 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_register [2022-07-20 02:48:12,758 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_register [2022-07-20 02:48:12,758 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_register [2022-07-20 02:48:12,758 INFO L130 BoogieDeclarations]: Found specification of procedure set_input [2022-07-20 02:48:12,758 INFO L138 BoogieDeclarations]: Found implementation of procedure set_input [2022-07-20 02:48:12,758 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_g_parameters [2022-07-20 02:48:12,758 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_g_parameters [2022-07-20 02:48:12,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-20 02:48:12,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-20 02:48:12,759 INFO L130 BoogieDeclarations]: Found specification of procedure cx23888_std_setup [2022-07-20 02:48:12,759 INFO L138 BoogieDeclarations]: Found implementation of procedure cx23888_std_setup [2022-07-20 02:48:12,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-20 02:48:12,759 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_initialize [2022-07-20 02:48:12,759 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_initialize [2022-07-20 02:48:12,759 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-07-20 02:48:12,759 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-07-20 02:48:12,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-20 02:48:12,760 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-20 02:48:12,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-20 02:48:12,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tx_params_lock_of_cx25840_ir_state [2022-07-20 02:48:12,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tx_params_lock_of_cx25840_ir_state [2022-07-20 02:48:12,760 INFO L130 BoogieDeclarations]: Found specification of procedure irqenable_rx [2022-07-20 02:48:12,760 INFO L138 BoogieDeclarations]: Found implementation of procedure irqenable_rx [2022-07-20 02:48:12,760 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_and_or4 [2022-07-20 02:48:12,761 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_and_or4 [2022-07-20 02:48:12,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_tx_params_lock_of_cx25840_ir_state [2022-07-20 02:48:12,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_tx_params_lock_of_cx25840_ir_state [2022-07-20 02:48:12,761 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_input_status [2022-07-20 02:48:12,761 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_input_status [2022-07-20 02:48:12,761 INFO L130 BoogieDeclarations]: Found specification of procedure lpf_count_to_ns [2022-07-20 02:48:12,761 INFO L138 BoogieDeclarations]: Found implementation of procedure lpf_count_to_ns [2022-07-20 02:48:12,761 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_set_audclk_freq [2022-07-20 02:48:12,762 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_set_audclk_freq [2022-07-20 02:48:12,762 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_read [2022-07-20 02:48:12,762 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_read [2022-07-20 02:48:12,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 02:48:12,762 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_width_count_to_us [2022-07-20 02:48:12,762 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_width_count_to_us [2022-07-20 02:48:12,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 02:48:12,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 02:48:12,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 02:48:12,763 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-20 02:48:12,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-20 02:48:12,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 02:48:12,763 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-20 02:48:12,763 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_sliced_fmt [2022-07-20 02:48:12,763 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_sliced_fmt [2022-07-20 02:48:12,763 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send [2022-07-20 02:48:12,763 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_send [2022-07-20 02:48:12,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-20 02:48:12,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-20 02:48:12,764 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2022-07-20 02:48:12,764 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2022-07-20 02:48:12,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-20 02:48:12,764 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_decode_vbi_line [2022-07-20 02:48:12,764 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_decode_vbi_line [2022-07-20 02:48:12,764 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_adapter_id [2022-07-20 02:48:12,765 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_adapter_id [2022-07-20 02:48:12,765 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_carrier_freq [2022-07-20 02:48:12,765 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_carrier_freq [2022-07-20 02:48:12,765 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_clocks_to_clock_divider [2022-07-20 02:48:12,765 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_clocks_to_clock_divider [2022-07-20 02:48:12,765 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx231xx [2022-07-20 02:48:12,765 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx231xx [2022-07-20 02:48:12,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 02:48:12,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 02:48:12,766 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_s_edge_detection [2022-07-20 02:48:12,766 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_s_edge_detection [2022-07-20 02:48:12,766 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2022-07-20 02:48:12,766 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2022-07-20 02:48:12,766 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_probe [2022-07-20 02:48:12,766 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_probe [2022-07-20 02:48:12,766 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-20 02:48:12,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-20 02:48:12,767 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-07-20 02:48:12,767 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-07-20 02:48:12,767 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_read4 [2022-07-20 02:48:12,767 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_read4 [2022-07-20 02:48:12,767 INFO L130 BoogieDeclarations]: Found specification of procedure odd_parity [2022-07-20 02:48:12,767 INFO L138 BoogieDeclarations]: Found implementation of procedure odd_parity [2022-07-20 02:48:12,767 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_enable [2022-07-20 02:48:12,767 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_enable [2022-07-20 02:48:12,768 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-20 02:48:12,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-20 02:48:12,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_rx_params_lock_of_cx25840_ir_state [2022-07-20 02:48:12,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_rx_params_lock_of_cx25840_ir_state [2022-07-20 02:48:12,768 INFO L130 BoogieDeclarations]: Found specification of procedure filter_rx_s_min_width [2022-07-20 02:48:12,768 INFO L138 BoogieDeclarations]: Found implementation of procedure filter_rx_s_min_width [2022-07-20 02:48:12,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-20 02:48:12,768 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_shutdown [2022-07-20 02:48:12,769 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_shutdown [2022-07-20 02:48:12,769 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-20 02:48:12,769 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-20 02:48:12,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-20 02:48:12,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-20 02:48:12,769 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~TO~VOID [2022-07-20 02:48:12,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~TO~VOID [2022-07-20 02:48:12,769 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-20 02:48:12,770 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-20 02:48:12,770 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23885 [2022-07-20 02:48:12,770 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23885 [2022-07-20 02:48:12,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 02:48:12,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 02:48:12,770 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_pulse_clocks [2022-07-20 02:48:12,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_pulse_clocks [2022-07-20 02:48:12,770 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23888 [2022-07-20 02:48:12,770 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23888 [2022-07-20 02:48:12,771 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23887 [2022-07-20 02:48:12,771 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23887 [2022-07-20 02:48:14,020 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 02:48:14,024 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 02:48:17,466 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 02:51:26,463 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 02:51:26,504 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 02:51:26,504 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-20 02:51:26,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:51:26 BoogieIcfgContainer [2022-07-20 02:51:26,512 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 02:51:26,514 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 02:51:26,514 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 02:51:26,516 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 02:51:26,516 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 02:48:06" (1/3) ... [2022-07-20 02:51:26,517 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f497b52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:51:26, skipping insertion in model container [2022-07-20 02:51:26,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:48:11" (2/3) ... [2022-07-20 02:51:26,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f497b52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:51:26, skipping insertion in model container [2022-07-20 02:51:26,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:51:26" (3/3) ... [2022-07-20 02:51:26,519 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i [2022-07-20 02:51:26,531 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 02:51:26,531 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-20 02:51:26,692 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 02:51:26,696 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@4095d184, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@d7f1a0e [2022-07-20 02:51:26,696 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-20 02:51:26,724 INFO L276 IsEmpty]: Start isEmpty. Operand has 8449 states, 4846 states have (on average 1.1568303755674783) internal successors, (5606), 4873 states have internal predecessors, (5606), 3481 states have call successors, (3481), 119 states have call predecessors, (3481), 118 states have return successors, (3478), 3466 states have call predecessors, (3478), 3478 states have call successors, (3478) [2022-07-20 02:51:26,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-07-20 02:51:26,733 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:51:26,734 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:51:26,734 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:51:26,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:51:26,738 INFO L85 PathProgramCache]: Analyzing trace with hash -2107106722, now seen corresponding path program 1 times [2022-07-20 02:51:26,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:51:26,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [657793961] [2022-07-20 02:51:26,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:51:26,754 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:51:26,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:51:26,759 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 02:51:26,770 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 02:51:28,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:51:28,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 1762 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 02:51:28,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:51:30,528 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-20 02:51:30,528 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:51:30,529 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:51:30,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [657793961] [2022-07-20 02:51:30,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [657793961] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:51:30,529 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:51:30,530 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 02:51:30,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585086157] [2022-07-20 02:51:30,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:51:30,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 02:51:30,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:51:30,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 02:51:30,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:51:30,576 INFO L87 Difference]: Start difference. First operand has 8449 states, 4846 states have (on average 1.1568303755674783) internal successors, (5606), 4873 states have internal predecessors, (5606), 3481 states have call successors, (3481), 119 states have call predecessors, (3481), 118 states have return successors, (3478), 3466 states have call predecessors, (3478), 3478 states have call successors, (3478) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-07-20 02:51:32,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:51:32,069 INFO L93 Difference]: Finished difference Result 16874 states and 25149 transitions. [2022-07-20 02:51:32,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:51:32,084 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 48 [2022-07-20 02:51:32,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:51:32,193 INFO L225 Difference]: With dead ends: 16874 [2022-07-20 02:51:32,194 INFO L226 Difference]: Without dead ends: 8441 [2022-07-20 02:51:32,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:51:32,282 INFO L413 NwaCegarLoop]: 12551 mSDtfsCounter, 12525 mSDsluCounter, 25096 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12526 SdHoareTripleChecker+Valid, 37647 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 02:51:32,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12526 Valid, 37647 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 02:51:32,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8441 states. [2022-07-20 02:51:35,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8441 to 8441. [2022-07-20 02:51:35,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8441 states, 4842 states have (on average 1.1551011978521273) internal successors, (5593), 4868 states have internal predecessors, (5593), 3478 states have call successors, (3478), 119 states have call predecessors, (3478), 118 states have return successors, (3475), 3463 states have call predecessors, (3475), 3475 states have call successors, (3475) [2022-07-20 02:51:35,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8441 states to 8441 states and 12546 transitions. [2022-07-20 02:51:35,921 INFO L78 Accepts]: Start accepts. Automaton has 8441 states and 12546 transitions. Word has length 48 [2022-07-20 02:51:35,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:51:35,922 INFO L495 AbstractCegarLoop]: Abstraction has 8441 states and 12546 transitions. [2022-07-20 02:51:35,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-07-20 02:51:35,923 INFO L276 IsEmpty]: Start isEmpty. Operand 8441 states and 12546 transitions. [2022-07-20 02:51:35,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-07-20 02:51:35,927 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:51:35,927 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:51:35,968 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 02:51:36,147 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 02:51:36,148 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:51:36,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:51:36,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1256060321, now seen corresponding path program 1 times [2022-07-20 02:51:36,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:51:36,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1285439701] [2022-07-20 02:51:36,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:51:36,152 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:51:36,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:51:36,154 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 02:51:36,156 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 02:51:37,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:51:37,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 1769 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 02:51:37,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:51:40,132 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-20 02:51:40,132 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 02:51:41,436 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-20 02:51:41,436 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:51:41,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1285439701] [2022-07-20 02:51:41,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1285439701] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-20 02:51:41,436 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 02:51:41,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-07-20 02:51:41,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308054377] [2022-07-20 02:51:41,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:51:41,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 02:51:41,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:51:41,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 02:51:41,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:51:41,441 INFO L87 Difference]: Start difference. First operand 8441 states and 12546 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-20 02:51:43,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:51:43,043 INFO L93 Difference]: Finished difference Result 8447 states and 12551 transitions. [2022-07-20 02:51:43,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 02:51:43,044 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 53 [2022-07-20 02:51:43,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:51:43,124 INFO L225 Difference]: With dead ends: 8447 [2022-07-20 02:51:43,125 INFO L226 Difference]: Without dead ends: 8445 [2022-07-20 02:51:43,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 99 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 02:51:43,142 INFO L413 NwaCegarLoop]: 12543 mSDtfsCounter, 12521 mSDsluCounter, 25073 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12525 SdHoareTripleChecker+Valid, 37616 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-20 02:51:43,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12525 Valid, 37616 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-20 02:51:43,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8445 states. [2022-07-20 02:51:45,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8445 to 8445. [2022-07-20 02:51:45,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8445 states, 4845 states have (on average 1.1550051599587203) internal successors, (5596), 4871 states have internal predecessors, (5596), 3478 states have call successors, (3478), 120 states have call predecessors, (3478), 119 states have return successors, (3475), 3463 states have call predecessors, (3475), 3475 states have call successors, (3475) [2022-07-20 02:51:46,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8445 states to 8445 states and 12549 transitions. [2022-07-20 02:51:46,035 INFO L78 Accepts]: Start accepts. Automaton has 8445 states and 12549 transitions. Word has length 53 [2022-07-20 02:51:46,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:51:46,035 INFO L495 AbstractCegarLoop]: Abstraction has 8445 states and 12549 transitions. [2022-07-20 02:51:46,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-20 02:51:46,036 INFO L276 IsEmpty]: Start isEmpty. Operand 8445 states and 12549 transitions. [2022-07-20 02:51:46,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-07-20 02:51:46,043 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:51:46,043 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:51:46,082 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-07-20 02:51:46,259 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 02:51:46,260 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:51:46,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:51:46,260 INFO L85 PathProgramCache]: Analyzing trace with hash -621802818, now seen corresponding path program 1 times [2022-07-20 02:51:46,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:51:46,263 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [9505905] [2022-07-20 02:51:46,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:51:46,263 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:51:46,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:51:46,266 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 02:51:46,269 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 02:51:47,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:51:47,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 1776 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 02:51:47,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:51:49,812 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-07-20 02:51:49,812 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 02:51:51,094 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-07-20 02:51:51,095 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:51:51,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [9505905] [2022-07-20 02:51:51,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [9505905] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-20 02:51:51,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 02:51:51,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-07-20 02:51:51,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045275252] [2022-07-20 02:51:51,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:51:51,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 02:51:51,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:51:51,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 02:51:51,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:51:51,097 INFO L87 Difference]: Start difference. First operand 8445 states and 12549 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-20 02:51:52,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:51:52,610 INFO L93 Difference]: Finished difference Result 8451 states and 12554 transitions. [2022-07-20 02:51:52,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 02:51:52,611 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 58 [2022-07-20 02:51:52,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:51:52,693 INFO L225 Difference]: With dead ends: 8451 [2022-07-20 02:51:52,694 INFO L226 Difference]: Without dead ends: 8449 [2022-07-20 02:51:52,705 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-20 02:51:52,708 INFO L413 NwaCegarLoop]: 12543 mSDtfsCounter, 12521 mSDsluCounter, 25073 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12524 SdHoareTripleChecker+Valid, 37616 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-20 02:51:52,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12524 Valid, 37616 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-20 02:51:52,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8449 states. [2022-07-20 02:51:55,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8449 to 8449. [2022-07-20 02:51:55,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8449 states, 4848 states have (on average 1.1549092409240924) internal successors, (5599), 4874 states have internal predecessors, (5599), 3478 states have call successors, (3478), 121 states have call predecessors, (3478), 120 states have return successors, (3475), 3463 states have call predecessors, (3475), 3475 states have call successors, (3475) [2022-07-20 02:51:55,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8449 states to 8449 states and 12552 transitions. [2022-07-20 02:51:55,486 INFO L78 Accepts]: Start accepts. Automaton has 8449 states and 12552 transitions. Word has length 58 [2022-07-20 02:51:55,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:51:55,487 INFO L495 AbstractCegarLoop]: Abstraction has 8449 states and 12552 transitions. [2022-07-20 02:51:55,487 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-20 02:51:55,487 INFO L276 IsEmpty]: Start isEmpty. Operand 8449 states and 12552 transitions. [2022-07-20 02:51:55,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-07-20 02:51:55,490 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:51:55,490 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:51:55,525 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 02:51:55,711 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 02:51:55,712 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 02:51:55,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:51:55,712 INFO L85 PathProgramCache]: Analyzing trace with hash -937720449, now seen corresponding path program 1 times [2022-07-20 02:51:55,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:51:55,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1442587028] [2022-07-20 02:51:55,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:51:55,715 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:51:55,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:51:55,720 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 02:51:55,722 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 02:51:57,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:51:57,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 1783 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 02:51:57,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:51:59,618 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-20 02:51:59,618 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 02:52:00,802 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-20 02:52:00,802 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:52:00,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1442587028] [2022-07-20 02:52:00,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1442587028] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-20 02:52:00,802 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 02:52:00,803 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-07-20 02:52:00,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678518924] [2022-07-20 02:52:00,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:52:00,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 02:52:00,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:52:00,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 02:52:00,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:52:00,804 INFO L87 Difference]: Start difference. First operand 8449 states and 12552 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9)