./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 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-spinlock_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 98d50d623f72baafe13ab6a5d1ec3f840fccd437bd559cdde24b5507886949f9 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 03:07:35,025 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 03:07:35,026 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 03:07:35,067 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 03:07:35,068 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 03:07:35,069 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 03:07:35,069 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 03:07:35,071 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 03:07:35,072 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 03:07:35,072 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 03:07:35,073 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 03:07:35,074 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 03:07:35,074 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 03:07:35,074 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 03:07:35,075 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 03:07:35,076 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 03:07:35,076 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 03:07:35,077 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 03:07:35,078 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 03:07:35,079 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 03:07:35,080 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 03:07:35,081 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 03:07:35,082 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 03:07:35,083 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 03:07:35,083 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 03:07:35,085 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 03:07:35,099 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 03:07:35,099 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 03:07:35,100 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 03:07:35,100 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 03:07:35,101 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 03:07:35,101 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 03:07:35,101 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 03:07:35,102 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 03:07:35,102 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 03:07:35,103 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 03:07:35,103 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 03:07:35,103 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 03:07:35,104 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 03:07:35,104 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 03:07:35,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 03:07:35,106 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 03:07:35,107 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 03:07:35,152 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 03:07:35,152 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 03:07:35,152 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 03:07:35,152 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 03:07:35,153 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 03:07:35,153 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 03:07:35,153 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 03:07:35,154 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 03:07:35,154 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 03:07:35,154 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 03:07:35,155 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 03:07:35,155 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 03:07:35,155 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 03:07:35,155 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 03:07:35,155 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 03:07:35,155 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 03:07:35,155 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 03:07:35,156 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 03:07:35,156 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 03:07:35,156 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 03:07:35,156 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 03:07:35,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:07:35,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 03:07:35,157 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 03:07:35,157 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 03:07:35,157 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 03:07:35,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 03:07:35,157 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 03:07:35,157 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 03:07:35,157 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 03:07:35,158 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98d50d623f72baafe13ab6a5d1ec3f840fccd437bd559cdde24b5507886949f9 [2022-07-23 03:07:35,360 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 03:07:35,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 03:07:35,384 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 03:07:35,384 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 03:07:35,385 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 03:07:35,386 INFO L432 ainManager$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-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i [2022-07-23 03:07:35,441 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bd8f4e24/70bd4e421f774471a480e2eaaac6d456/FLAG1386d1356 [2022-07-23 03:07:36,148 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 03:07:36,149 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i [2022-07-23 03:07:36,196 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bd8f4e24/70bd4e421f774471a480e2eaaac6d456/FLAG1386d1356 [2022-07-23 03:07:36,701 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0bd8f4e24/70bd4e421f774471a480e2eaaac6d456 [2022-07-23 03:07:36,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 03:07:36,707 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 03:07:36,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 03:07:36,711 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 03:07:36,713 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 03:07:36,714 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:07:36" (1/1) ... [2022-07-23 03:07:36,716 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67428e7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:07:36, skipping insertion in model container [2022-07-23 03:07:36,716 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:07:36" (1/1) ... [2022-07-23 03:07:36,721 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 03:07:36,885 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 03:07:39,238 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-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i[515692,515705] [2022-07-23 03:07:39,240 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-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i[515861,515874] [2022-07-23 03:07:39,241 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-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i[516028,516041] [2022-07-23 03:07:39,241 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-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i[516196,516209] [2022-07-23 03:07:39,259 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:07:39,282 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 03:07:39,813 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) [2022-07-23 03:07:39,824 INFO L158 Benchmark]: Toolchain (without parser) took 3115.14ms. Allocated memory was 140.5MB in the beginning and 337.6MB in the end (delta: 197.1MB). Free memory was 106.2MB in the beginning and 204.8MB in the end (delta: -98.6MB). Peak memory consumption was 121.1MB. Max. memory is 16.1GB. [2022-07-23 03:07:39,826 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 140.5MB. Free memory was 118.4MB in the beginning and 118.4MB in the end (delta: 73.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 03:07:39,827 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3111.33ms. Allocated memory was 140.5MB in the beginning and 337.6MB in the end (delta: 197.1MB). Free memory was 105.8MB in the beginning and 204.8MB in the end (delta: -99.0MB). Peak memory consumption was 121.1MB. Max. memory is 16.1GB. [2022-07-23 03:07:39,829 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 140.5MB. Free memory was 118.4MB in the beginning and 118.4MB in the end (delta: 73.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3111.33ms. Allocated memory was 140.5MB in the beginning and 337.6MB in the end (delta: 197.1MB). Free memory was 105.8MB in the beginning and 204.8MB in the end (delta: -99.0MB). Peak memory consumption was 121.1MB. 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-spinlock_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 98d50d623f72baafe13ab6a5d1ec3f840fccd437bd559cdde24b5507886949f9 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 03:07:41,888 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 03:07:41,892 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 03:07:41,922 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 03:07:41,923 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 03:07:41,924 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 03:07:41,928 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 03:07:41,929 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 03:07:41,930 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 03:07:41,930 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 03:07:41,931 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 03:07:41,932 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 03:07:41,932 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 03:07:41,932 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 03:07:41,935 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 03:07:41,937 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 03:07:41,937 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 03:07:41,941 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 03:07:41,944 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 03:07:41,947 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 03:07:41,948 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 03:07:41,949 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 03:07:41,950 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 03:07:41,951 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 03:07:41,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 03:07:41,953 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 03:07:41,953 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 03:07:41,953 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 03:07:41,954 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 03:07:41,954 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 03:07:41,954 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 03:07:41,954 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 03:07:41,955 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 03:07:41,955 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 03:07:41,956 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 03:07:41,956 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 03:07:41,957 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 03:07:41,957 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 03:07:41,957 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 03:07:41,957 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 03:07:41,958 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 03:07:41,962 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 03:07:41,966 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-23 03:07:41,986 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 03:07:41,986 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 03:07:41,987 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 03:07:41,987 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 03:07:41,987 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 03:07:41,987 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 03:07:41,988 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 03:07:41,988 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 03:07:41,988 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 03:07:41,989 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 03:07:41,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 03:07:41,989 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 03:07:41,989 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 03:07:41,989 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 03:07:41,989 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 03:07:41,989 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-23 03:07:41,989 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-23 03:07:41,989 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 03:07:41,990 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 03:07:41,990 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 03:07:41,990 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 03:07:41,990 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 03:07:41,990 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 03:07:41,990 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:07:41,990 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 03:07:41,990 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 03:07:41,990 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 03:07:41,991 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-23 03:07:41,991 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-23 03:07:41,991 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 03:07:41,991 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 03:07:41,991 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 03:07:41,991 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-23 03:07:41,991 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98d50d623f72baafe13ab6a5d1ec3f840fccd437bd559cdde24b5507886949f9 [2022-07-23 03:07:42,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 03:07:42,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 03:07:42,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 03:07:42,365 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 03:07:42,365 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 03:07:42,367 INFO L432 ainManager$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-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i [2022-07-23 03:07:42,426 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6ee4701b/977751aeb866484c91944188312aca48/FLAGdd33934e0 [2022-07-23 03:07:43,355 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 03:07:43,355 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i [2022-07-23 03:07:43,396 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6ee4701b/977751aeb866484c91944188312aca48/FLAGdd33934e0 [2022-07-23 03:07:43,784 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6ee4701b/977751aeb866484c91944188312aca48 [2022-07-23 03:07:43,787 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 03:07:43,788 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 03:07:43,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 03:07:43,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 03:07:43,792 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 03:07:43,793 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:07:43" (1/1) ... [2022-07-23 03:07:43,793 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c256a66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:07:43, skipping insertion in model container [2022-07-23 03:07:43,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:07:43" (1/1) ... [2022-07-23 03:07:43,798 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 03:07:43,917 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 03:07:46,506 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-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i[515692,515705] [2022-07-23 03:07:46,508 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-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i[515861,515874] [2022-07-23 03:07:46,509 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-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i[516028,516041] [2022-07-23 03:07:46,509 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-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i[516196,516209] [2022-07-23 03:07:46,529 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:07:46,578 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-23 03:07:46,695 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 03:07:47,099 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-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i[515692,515705] [2022-07-23 03:07:47,099 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-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i[515861,515874] [2022-07-23 03:07:47,099 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-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i[516028,516041] [2022-07-23 03:07:47,100 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-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i[516196,516209] [2022-07-23 03:07:47,102 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:07:47,115 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 03:07:47,572 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-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i[515692,515705] [2022-07-23 03:07:47,573 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-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i[515861,515874] [2022-07-23 03:07:47,573 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-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i[516028,516041] [2022-07-23 03:07:47,574 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-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i[516196,516209] [2022-07-23 03:07:47,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:07:47,768 INFO L208 MainTranslator]: Completed translation [2022-07-23 03:07:47,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:07:47 WrapperNode [2022-07-23 03:07:47,769 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 03:07:47,770 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 03:07:47,770 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 03:07:47,771 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 03:07:47,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:07:47" (1/1) ... [2022-07-23 03:07:47,912 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:07:47" (1/1) ... [2022-07-23 03:07:48,200 INFO L137 Inliner]: procedures = 407, calls = 6166, calls flagged for inlining = 164, calls inlined = 141, statements flattened = 13433 [2022-07-23 03:07:48,201 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 03:07:48,202 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 03:07:48,202 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 03:07:48,202 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 03:07:48,209 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:07:47" (1/1) ... [2022-07-23 03:07:48,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:07:47" (1/1) ... [2022-07-23 03:07:48,259 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:07:47" (1/1) ... [2022-07-23 03:07:48,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:07:47" (1/1) ... [2022-07-23 03:07:48,466 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:07:47" (1/1) ... [2022-07-23 03:07:48,493 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:07:47" (1/1) ... [2022-07-23 03:07:48,526 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:07:47" (1/1) ... [2022-07-23 03:07:48,570 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 03:07:48,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 03:07:48,571 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 03:07:48,571 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 03:07:48,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:07:47" (1/1) ... [2022-07-23 03:07:48,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:07:48,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 03:07:48,625 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) [2022-07-23 03:07:48,658 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 [2022-07-23 03:07:48,681 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-23 03:07:48,681 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-23 03:07:48,681 INFO L130 BoogieDeclarations]: Found specification of procedure to_sd [2022-07-23 03:07:48,681 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sd [2022-07-23 03:07:48,682 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_tuner [2022-07-23 03:07:48,682 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_tuner [2022-07-23 03:07:48,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 03:07:48,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 03:07:48,682 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx2388x [2022-07-23 03:07:48,682 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx2388x [2022-07-23 03:07:48,682 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_tuner [2022-07-23 03:07:48,682 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_tuner [2022-07-23 03:07:48,682 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx2583x [2022-07-23 03:07:48,682 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx2583x [2022-07-23 03:07:48,682 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-23 03:07:48,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-23 03:07:48,682 INFO L130 BoogieDeclarations]: Found specification of procedure to_ir_state [2022-07-23 03:07:48,682 INFO L138 BoogieDeclarations]: Found implementation of procedure to_ir_state [2022-07-23 03:07:48,682 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_width_count_to_ns [2022-07-23 03:07:48,682 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_width_count_to_ns [2022-07-23 03:07:48,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_53 [2022-07-23 03:07:48,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_53 [2022-07-23 03:07:48,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 03:07:48,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 03:07:48,683 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2022-07-23 03:07:48,683 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2022-07-23 03:07:48,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rx_kfifo_lock_of_cx25840_ir_state [2022-07-23 03:07:48,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rx_kfifo_lock_of_cx25840_ir_state [2022-07-23 03:07:48,683 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2022-07-23 03:07:48,683 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2022-07-23 03:07:48,683 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 03:07:48,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 03:07:48,683 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_sliced_fmt [2022-07-23 03:07:48,683 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_sliced_fmt [2022-07-23 03:07:48,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 03:07:48,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-23 03:07:48,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-23 03:07:48,684 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2022-07-23 03:07:48,684 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2022-07-23 03:07:48,684 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_resolution [2022-07-23 03:07:48,684 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_resolution [2022-07-23 03:07:48,684 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-23 03:07:48,684 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-23 03:07:48,684 INFO L130 BoogieDeclarations]: Found specification of procedure cx25836_initialize [2022-07-23 03:07:48,684 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25836_initialize [2022-07-23 03:07:48,684 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_write4 [2022-07-23 03:07:48,684 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_write4 [2022-07-23 03:07:48,685 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ext_ctrls [2022-07-23 03:07:48,685 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ext_ctrls [2022-07-23 03:07:48,685 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_frequency [2022-07-23 03:07:48,685 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_frequency [2022-07-23 03:07:48,685 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 03:07:48,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 03:07:48,685 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_std_setup [2022-07-23 03:07:48,685 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_std_setup [2022-07-23 03:07:48,685 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2022-07-23 03:07:48,685 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2022-07-23 03:07:48,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 03:07:48,685 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 03:07:48,685 INFO L130 BoogieDeclarations]: Found specification of procedure control_tx_modulation_enable [2022-07-23 03:07:48,685 INFO L138 BoogieDeclarations]: Found implementation of procedure control_tx_modulation_enable [2022-07-23 03:07:48,685 INFO L130 BoogieDeclarations]: Found specification of procedure cx23885_initialize [2022-07-23 03:07:48,686 INFO L138 BoogieDeclarations]: Found implementation of procedure cx23885_initialize [2022-07-23 03:07:48,686 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_raw_fmt [2022-07-23 03:07:48,686 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_raw_fmt [2022-07-23 03:07:48,686 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_and_or [2022-07-23 03:07:48,686 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_and_or [2022-07-23 03:07:48,686 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ctrl [2022-07-23 03:07:48,686 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ctrl [2022-07-23 03:07:48,686 INFO L130 BoogieDeclarations]: Found specification of procedure set_audclk_freq [2022-07-23 03:07:48,686 INFO L138 BoogieDeclarations]: Found implementation of procedure set_audclk_freq [2022-07-23 03:07:48,686 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_g_parameters [2022-07-23 03:07:48,686 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_g_parameters [2022-07-23 03:07:48,686 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_initialize [2022-07-23 03:07:48,686 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_initialize [2022-07-23 03:07:48,686 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-23 03:07:48,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-23 03:07:48,686 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_input_status [2022-07-23 03:07:48,687 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_input_status [2022-07-23 03:07:48,687 INFO L130 BoogieDeclarations]: Found specification of procedure lpf_count_to_ns [2022-07-23 03:07:48,687 INFO L138 BoogieDeclarations]: Found implementation of procedure lpf_count_to_ns [2022-07-23 03:07:48,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-23 03:07:48,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-23 03:07:48,687 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_set_audclk_freq [2022-07-23 03:07:48,687 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_set_audclk_freq [2022-07-23 03:07:48,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 03:07:48,687 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_width_count_to_us [2022-07-23 03:07:48,687 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_width_count_to_us [2022-07-23 03:07:48,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 03:07:48,687 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 03:07:48,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 03:07:48,687 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 03:07:48,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 03:07:48,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 03:07:48,688 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-23 03:07:48,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-23 03:07:48,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-23 03:07:48,688 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2022-07-23 03:07:48,688 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2022-07-23 03:07:48,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-23 03:07:48,688 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_decode_vbi_line [2022-07-23 03:07:48,688 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_decode_vbi_line [2022-07-23 03:07:48,688 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_clocks_to_clock_divider [2022-07-23 03:07:48,688 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_clocks_to_clock_divider [2022-07-23 03:07:48,688 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx231xx [2022-07-23 03:07:48,688 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx231xx [2022-07-23 03:07:48,688 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2022-07-23 03:07:48,688 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2022-07-23 03:07:48,688 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_probe [2022-07-23 03:07:48,689 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_probe [2022-07-23 03:07:48,689 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-23 03:07:48,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-23 03:07:48,689 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-23 03:07:48,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-23 03:07:48,689 INFO L130 BoogieDeclarations]: Found specification of procedure odd_parity [2022-07-23 03:07:48,689 INFO L138 BoogieDeclarations]: Found implementation of procedure odd_parity [2022-07-23 03:07:48,689 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_enable [2022-07-23 03:07:48,689 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_enable [2022-07-23 03:07:48,689 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-23 03:07:48,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-23 03:07:48,689 INFO L130 BoogieDeclarations]: Found specification of procedure filter_rx_s_min_width [2022-07-23 03:07:48,689 INFO L138 BoogieDeclarations]: Found implementation of procedure filter_rx_s_min_width [2022-07-23 03:07:48,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-23 03:07:48,689 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_shutdown [2022-07-23 03:07:48,690 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_shutdown [2022-07-23 03:07:48,690 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-23 03:07:48,690 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-23 03:07:48,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 03:07:48,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 03:07:48,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-23 03:07:48,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-23 03:07:48,690 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ctrl [2022-07-23 03:07:48,690 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ctrl [2022-07-23 03:07:48,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-23 03:07:48,690 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_s_parameters [2022-07-23 03:07:48,690 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_s_parameters [2022-07-23 03:07:48,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 03:07:48,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-23 03:07:48,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 03:07:48,690 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 03:07:48,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 03:07:48,690 INFO L130 BoogieDeclarations]: Found specification of procedure input_change [2022-07-23 03:07:48,691 INFO L138 BoogieDeclarations]: Found implementation of procedure input_change [2022-07-23 03:07:48,691 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_g_parameters [2022-07-23 03:07:48,691 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_g_parameters [2022-07-23 03:07:48,691 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_querymenu [2022-07-23 03:07:48,691 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_querymenu [2022-07-23 03:07:48,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-23 03:07:48,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-23 03:07:48,691 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-23 03:07:48,691 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-23 03:07:48,691 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_probe [2022-07-23 03:07:48,691 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_probe [2022-07-23 03:07:48,691 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-23 03:07:48,691 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-23 03:07:48,691 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_shutdown [2022-07-23 03:07:48,691 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_shutdown [2022-07-23 03:07:48,691 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-23 03:07:48,692 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-23 03:07:48,692 INFO L130 BoogieDeclarations]: Found specification of procedure control_tx_enable [2022-07-23 03:07:48,692 INFO L138 BoogieDeclarations]: Found implementation of procedure control_tx_enable [2022-07-23 03:07:48,692 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-23 03:07:48,692 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-23 03:07:48,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 03:07:48,692 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 03:07:48,692 INFO L130 BoogieDeclarations]: Found specification of procedure carrier_freq_to_clock_divider [2022-07-23 03:07:48,692 INFO L138 BoogieDeclarations]: Found implementation of procedure carrier_freq_to_clock_divider [2022-07-23 03:07:48,692 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_demodulation_enable [2022-07-23 03:07:48,692 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_demodulation_enable [2022-07-23 03:07:48,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-07-23 03:07:48,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-07-23 03:07:48,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 03:07:48,692 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-23 03:07:48,692 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-23 03:07:48,692 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_write [2022-07-23 03:07:48,693 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_write [2022-07-23 03:07:48,693 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 03:07:48,693 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_mbus_fmt [2022-07-23 03:07:48,693 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_mbus_fmt [2022-07-23 03:07:48,693 INFO L130 BoogieDeclarations]: Found specification of procedure set_volume [2022-07-23 03:07:48,693 INFO L138 BoogieDeclarations]: Found implementation of procedure set_volume [2022-07-23 03:07:48,693 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_initialize [2022-07-23 03:07:48,693 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_initialize [2022-07-23 03:07:48,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-23 03:07:48,693 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ext_ctrls [2022-07-23 03:07:48,693 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ext_ctrls [2022-07-23 03:07:48,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-23 03:07:48,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-23 03:07:48,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-23 03:07:48,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 03:07:48,693 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-23 03:07:48,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-23 03:07:48,693 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-23 03:07:48,694 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-23 03:07:48,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 03:07:48,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 03:07:48,694 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-23 03:07:48,694 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-23 03:07:48,694 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_try_ext_ctrls [2022-07-23 03:07:48,694 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_try_ext_ctrls [2022-07-23 03:07:48,694 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata___0 [2022-07-23 03:07:48,694 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata___0 [2022-07-23 03:07:48,694 INFO L130 BoogieDeclarations]: Found specification of procedure irqenable_tx [2022-07-23 03:07:48,694 INFO L138 BoogieDeclarations]: Found implementation of procedure irqenable_tx [2022-07-23 03:07:48,694 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_queryctrl [2022-07-23 03:07:48,694 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_queryctrl [2022-07-23 03:07:48,694 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_freq [2022-07-23 03:07:48,694 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_freq [2022-07-23 03:07:48,694 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_std [2022-07-23 03:07:48,694 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_std [2022-07-23 03:07:48,695 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_s_parameters [2022-07-23 03:07:48,695 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_s_parameters [2022-07-23 03:07:48,695 INFO L130 BoogieDeclarations]: Found specification of procedure to_state [2022-07-23 03:07:48,695 INFO L138 BoogieDeclarations]: Found implementation of procedure to_state [2022-07-23 03:07:48,695 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_register [2022-07-23 03:07:48,695 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_register [2022-07-23 03:07:48,695 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_register [2022-07-23 03:07:48,695 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_register [2022-07-23 03:07:48,695 INFO L130 BoogieDeclarations]: Found specification of procedure set_input [2022-07-23 03:07:48,695 INFO L138 BoogieDeclarations]: Found implementation of procedure set_input [2022-07-23 03:07:48,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-23 03:07:48,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-23 03:07:48,695 INFO L130 BoogieDeclarations]: Found specification of procedure cx23888_std_setup [2022-07-23 03:07:48,695 INFO L138 BoogieDeclarations]: Found implementation of procedure cx23888_std_setup [2022-07-23 03:07:48,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-23 03:07:48,695 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-07-23 03:07:48,695 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-07-23 03:07:48,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-23 03:07:48,696 INFO L130 BoogieDeclarations]: Found specification of procedure irqenable_rx [2022-07-23 03:07:48,696 INFO L138 BoogieDeclarations]: Found implementation of procedure irqenable_rx [2022-07-23 03:07:48,696 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_and_or4 [2022-07-23 03:07:48,696 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_and_or4 [2022-07-23 03:07:48,696 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_read [2022-07-23 03:07:48,696 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_read [2022-07-23 03:07:48,696 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_sliced_fmt [2022-07-23 03:07:48,696 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_sliced_fmt [2022-07-23 03:07:48,696 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send [2022-07-23 03:07:48,696 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_send [2022-07-23 03:07:48,696 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_adapter_id [2022-07-23 03:07:48,696 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_adapter_id [2022-07-23 03:07:48,696 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_carrier_freq [2022-07-23 03:07:48,696 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_carrier_freq [2022-07-23 03:07:48,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 03:07:48,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 03:07:48,696 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_s_edge_detection [2022-07-23 03:07:48,697 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_s_edge_detection [2022-07-23 03:07:48,697 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-07-23 03:07:48,697 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-07-23 03:07:48,697 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_read4 [2022-07-23 03:07:48,697 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_read4 [2022-07-23 03:07:48,697 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-23 03:07:48,697 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-23 03:07:48,697 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 03:07:48,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 03:07:48,697 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~TO~VOID [2022-07-23 03:07:48,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~TO~VOID [2022-07-23 03:07:48,697 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23885 [2022-07-23 03:07:48,697 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23885 [2022-07-23 03:07:48,697 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_pulse_clocks [2022-07-23 03:07:48,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_pulse_clocks [2022-07-23 03:07:48,697 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23888 [2022-07-23 03:07:48,697 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23888 [2022-07-23 03:07:48,697 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23887 [2022-07-23 03:07:48,698 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23887 [2022-07-23 03:07:49,768 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 03:07:49,771 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 03:07:53,505 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 03:10:55,332 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 03:10:55,364 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 03:10:55,365 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-23 03:10:55,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:10:55 BoogieIcfgContainer [2022-07-23 03:10:55,375 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 03:10:55,378 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 03:10:55,378 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 03:10:55,381 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 03:10:55,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 03:07:43" (1/3) ... [2022-07-23 03:10:55,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dc23636 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:10:55, skipping insertion in model container [2022-07-23 03:10:55,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:07:47" (2/3) ... [2022-07-23 03:10:55,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3dc23636 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:10:55, skipping insertion in model container [2022-07-23 03:10:55,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:10:55" (3/3) ... [2022-07-23 03:10:55,383 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i [2022-07-23 03:10:55,394 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 03:10:55,394 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-23 03:10:55,549 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 03:10:55,553 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@1078b97e, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7505f724 [2022-07-23 03:10:55,554 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-23 03:10:55,577 INFO L276 IsEmpty]: Start isEmpty. Operand has 8434 states, 4832 states have (on average 1.1572847682119205) internal successors, (5592), 4859 states have internal predecessors, (5592), 3482 states have call successors, (3482), 117 states have call predecessors, (3482), 116 states have return successors, (3479), 3467 states have call predecessors, (3479), 3479 states have call successors, (3479) [2022-07-23 03:10:55,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-07-23 03:10:55,584 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:10:55,585 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] [2022-07-23 03:10:55,585 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 03:10:55,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:10:55,589 INFO L85 PathProgramCache]: Analyzing trace with hash 848135627, now seen corresponding path program 1 times [2022-07-23 03:10:55,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:10:55,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [272462019] [2022-07-23 03:10:55,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:10:55,601 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:10:55,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:10:55,616 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) [2022-07-23 03:10:55,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-23 03:10:57,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:10:57,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 1759 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 03:10:57,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:10:59,485 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-23 03:10:59,489 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:10:59,490 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:10:59,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [272462019] [2022-07-23 03:10:59,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [272462019] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:10:59,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:10:59,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 03:10:59,494 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924003315] [2022-07-23 03:10:59,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:10:59,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:10:59,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:10:59,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:10:59,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:10:59,575 INFO L87 Difference]: Start difference. First operand has 8434 states, 4832 states have (on average 1.1572847682119205) internal successors, (5592), 4859 states have internal predecessors, (5592), 3482 states have call successors, (3482), 117 states have call predecessors, (3482), 116 states have return successors, (3479), 3467 states have call predecessors, (3479), 3479 states have call successors, (3479) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 3 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) [2022-07-23 03:11:00,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:11:00,730 INFO L93 Difference]: Finished difference Result 16844 states and 25111 transitions. [2022-07-23 03:11:00,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 03:11:00,734 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 3 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 [2022-07-23 03:11:00,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:11:00,828 INFO L225 Difference]: With dead ends: 16844 [2022-07-23 03:11:00,828 INFO L226 Difference]: Without dead ends: 8426 [2022-07-23 03:11:00,893 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-23 03:11:00,900 INFO L413 NwaCegarLoop]: 12539 mSDtfsCounter, 12513 mSDsluCounter, 25070 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12514 SdHoareTripleChecker+Valid, 37609 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-23 03:11:00,901 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12514 Valid, 37609 Invalid, 16 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-23 03:11:00,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8426 states. [2022-07-23 03:11:04,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8426 to 8426. [2022-07-23 03:11:04,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8426 states, 4828 states have (on average 1.1555509527754764) internal successors, (5579), 4854 states have internal predecessors, (5579), 3479 states have call successors, (3479), 117 states have call predecessors, (3479), 116 states have return successors, (3476), 3464 states have call predecessors, (3476), 3476 states have call successors, (3476) [2022-07-23 03:11:04,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8426 states to 8426 states and 12534 transitions. [2022-07-23 03:11:04,364 INFO L78 Accepts]: Start accepts. Automaton has 8426 states and 12534 transitions. Word has length 48 [2022-07-23 03:11:04,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:11:04,365 INFO L495 AbstractCegarLoop]: Abstraction has 8426 states and 12534 transitions. [2022-07-23 03:11:04,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 3 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) [2022-07-23 03:11:04,366 INFO L276 IsEmpty]: Start isEmpty. Operand 8426 states and 12534 transitions. [2022-07-23 03:11:04,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-07-23 03:11:04,369 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:11:04,369 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] [2022-07-23 03:11:04,419 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-23 03:11:04,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:11:04,596 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 03:11:04,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:11:04,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1552207272, now seen corresponding path program 1 times [2022-07-23 03:11:04,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:11:04,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1157137409] [2022-07-23 03:11:04,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:11:04,598 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:11:04,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:11:04,600 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) [2022-07-23 03:11:04,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-23 03:11:06,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:11:06,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 1766 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 03:11:06,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:11:08,146 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-23 03:11:08,147 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 03:11:09,244 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-23 03:11:09,244 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:11:09,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1157137409] [2022-07-23 03:11:09,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1157137409] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-23 03:11:09,244 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 03:11:09,245 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-23 03:11:09,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452065702] [2022-07-23 03:11:09,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:11:09,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:11:09,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:11:09,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:11:09,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 03:11:09,246 INFO L87 Difference]: Start difference. First operand 8426 states and 12534 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) [2022-07-23 03:11:10,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:11:10,459 INFO L93 Difference]: Finished difference Result 8432 states and 12539 transitions. [2022-07-23 03:11:10,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 03:11:10,461 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 [2022-07-23 03:11:10,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:11:10,514 INFO L225 Difference]: With dead ends: 8432 [2022-07-23 03:11:10,514 INFO L226 Difference]: Without dead ends: 8430 [2022-07-23 03:11:10,523 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-23 03:11:10,524 INFO L413 NwaCegarLoop]: 12531 mSDtfsCounter, 12507 mSDsluCounter, 25047 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12513 SdHoareTripleChecker+Valid, 37578 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-23 03:11:10,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12513 Valid, 37578 Invalid, 16 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-23 03:11:10,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8430 states. [2022-07-23 03:11:13,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8430 to 8430. [2022-07-23 03:11:13,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8430 states, 4831 states have (on average 1.1554543572759264) internal successors, (5582), 4857 states have internal predecessors, (5582), 3479 states have call successors, (3479), 118 states have call predecessors, (3479), 117 states have return successors, (3476), 3464 states have call predecessors, (3476), 3476 states have call successors, (3476) [2022-07-23 03:11:13,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8430 states to 8430 states and 12537 transitions. [2022-07-23 03:11:13,285 INFO L78 Accepts]: Start accepts. Automaton has 8430 states and 12537 transitions. Word has length 53 [2022-07-23 03:11:13,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:11:13,286 INFO L495 AbstractCegarLoop]: Abstraction has 8430 states and 12537 transitions. [2022-07-23 03:11:13,287 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) [2022-07-23 03:11:13,287 INFO L276 IsEmpty]: Start isEmpty. Operand 8430 states and 12537 transitions. [2022-07-23 03:11:13,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-07-23 03:11:13,293 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:11:13,293 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] [2022-07-23 03:11:13,321 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-07-23 03:11:13,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:11:13,519 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 03:11:13,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:11:13,520 INFO L85 PathProgramCache]: Analyzing trace with hash 821128619, now seen corresponding path program 1 times [2022-07-23 03:11:13,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:11:13,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [195194427] [2022-07-23 03:11:13,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:11:13,522 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:11:13,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:11:13,531 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) [2022-07-23 03:11:13,543 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-23 03:11:15,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:11:15,086 INFO L263 TraceCheckSpWp]: Trace formula consists of 1773 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 03:11:15,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:11:17,371 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-07-23 03:11:17,371 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 03:11:18,515 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-07-23 03:11:18,516 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:11:18,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [195194427] [2022-07-23 03:11:18,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [195194427] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-23 03:11:18,516 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 03:11:18,516 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-23 03:11:18,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636131641] [2022-07-23 03:11:18,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:11:18,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:11:18,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:11:18,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:11:18,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 03:11:18,517 INFO L87 Difference]: Start difference. First operand 8430 states and 12537 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) [2022-07-23 03:11:19,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:11:19,691 INFO L93 Difference]: Finished difference Result 8436 states and 12542 transitions. [2022-07-23 03:11:19,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 03:11:19,692 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 [2022-07-23 03:11:19,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:11:19,776 INFO L225 Difference]: With dead ends: 8436 [2022-07-23 03:11:19,776 INFO L226 Difference]: Without dead ends: 8434 [2022-07-23 03:11:19,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-23 03:11:19,792 INFO L413 NwaCegarLoop]: 12531 mSDtfsCounter, 12507 mSDsluCounter, 25047 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12512 SdHoareTripleChecker+Valid, 37578 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-23 03:11:19,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12512 Valid, 37578 Invalid, 16 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-23 03:11:19,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8434 states. [2022-07-23 03:11:22,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8434 to 8434. [2022-07-23 03:11:22,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8434 states, 4834 states have (on average 1.1553578816714936) internal successors, (5585), 4860 states have internal predecessors, (5585), 3479 states have call successors, (3479), 119 states have call predecessors, (3479), 118 states have return successors, (3476), 3464 states have call predecessors, (3476), 3476 states have call successors, (3476) [2022-07-23 03:11:22,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8434 states to 8434 states and 12540 transitions. [2022-07-23 03:11:22,696 INFO L78 Accepts]: Start accepts. Automaton has 8434 states and 12540 transitions. Word has length 58 [2022-07-23 03:11:22,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:11:22,697 INFO L495 AbstractCegarLoop]: Abstraction has 8434 states and 12540 transitions. [2022-07-23 03:11:22,697 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) [2022-07-23 03:11:22,697 INFO L276 IsEmpty]: Start isEmpty. Operand 8434 states and 12540 transitions. [2022-07-23 03:11:22,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-07-23 03:11:22,699 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:11:22,700 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:11:22,726 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-07-23 03:11:22,925 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:11:22,926 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 03:11:22,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:11:22,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1891276219, now seen corresponding path program 1 times [2022-07-23 03:11:22,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:11:22,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [627725302] [2022-07-23 03:11:22,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:11:22,928 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:11:22,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:11:22,929 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) [2022-07-23 03:11:22,932 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-23 03:11:24,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:11:24,479 INFO L263 TraceCheckSpWp]: Trace formula consists of 1800 conjuncts, 23 conjunts are in the unsatisfiable core [2022-07-23 03:11:24,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:11:28,757 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 03:11:28,757 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 03:11:32,851 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 03:11:32,851 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:11:32,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [627725302] [2022-07-23 03:11:32,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [627725302] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 03:11:32,852 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 03:11:32,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 18 [2022-07-23 03:11:32,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068207987] [2022-07-23 03:11:32,852 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 03:11:32,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-07-23 03:11:32,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:11:32,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-07-23 03:11:32,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-07-23 03:11:32,853 INFO L87 Difference]: Start difference. First operand 8434 states and 12540 transitions. Second operand has 18 states, 17 states have (on average 2.764705882352941) internal successors, (47), 16 states have internal predecessors, (47), 6 states have call successors, (17), 2 states have call predecessors, (17), 5 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) [2022-07-23 03:11:44,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:11:44,604 INFO L93 Difference]: Finished difference Result 16523 states and 24565 transitions. [2022-07-23 03:11:44,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-23 03:11:44,605 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 2.764705882352941) internal successors, (47), 16 states have internal predecessors, (47), 6 states have call successors, (17), 2 states have call predecessors, (17), 5 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) Word has length 73 [2022-07-23 03:11:44,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:11:44,657 INFO L225 Difference]: With dead ends: 16523 [2022-07-23 03:11:44,657 INFO L226 Difference]: Without dead ends: 8448 [2022-07-23 03:11:44,697 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=119, Invalid=583, Unknown=0, NotChecked=0, Total=702 [2022-07-23 03:11:44,697 INFO L413 NwaCegarLoop]: 12508 mSDtfsCounter, 46 mSDsluCounter, 175028 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 187536 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-07-23 03:11:44,698 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 187536 Invalid, 499 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [39 Valid, 460 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2022-07-23 03:11:44,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8448 states. [2022-07-23 03:11:47,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8448 to 8444. [2022-07-23 03:11:47,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8444 states, 4842 states have (on average 1.1551011978521273) internal successors, (5593), 4868 states have internal predecessors, (5593), 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) [2022-07-23 03:11:47,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8444 states to 8444 states and 12552 transitions. [2022-07-23 03:11:47,564 INFO L78 Accepts]: Start accepts. Automaton has 8444 states and 12552 transitions. Word has length 73 [2022-07-23 03:11:47,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:11:47,565 INFO L495 AbstractCegarLoop]: Abstraction has 8444 states and 12552 transitions. [2022-07-23 03:11:47,565 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 2.764705882352941) internal successors, (47), 16 states have internal predecessors, (47), 6 states have call successors, (17), 2 states have call predecessors, (17), 5 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) [2022-07-23 03:11:47,565 INFO L276 IsEmpty]: Start isEmpty. Operand 8444 states and 12552 transitions. [2022-07-23 03:11:47,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-07-23 03:11:47,567 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:11:47,567 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] [2022-07-23 03:11:47,622 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-23 03:11:47,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:11:47,787 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 03:11:47,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:11:47,788 INFO L85 PathProgramCache]: Analyzing trace with hash -655923720, now seen corresponding path program 1 times [2022-07-23 03:11:47,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:11:47,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1330475440] [2022-07-23 03:11:47,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:11:47,790 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:11:47,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:11:47,798 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 03:11:47,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-23 03:11:49,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:11:49,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 1780 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 03:11:49,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:11:51,523 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 03:11:51,523 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 03:11:52,603 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 03:11:52,604 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:11:52,604 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1330475440] [2022-07-23 03:11:52,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1330475440] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-23 03:11:52,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 03:11:52,604 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-23 03:11:52,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383354077] [2022-07-23 03:11:52,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:11:52,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:11:52,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:11:52,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:11:52,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 03:11:52,605 INFO L87 Difference]: Start difference. First operand 8444 states and 12552 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-23 03:11:53,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:11:53,590 INFO L93 Difference]: Finished difference Result 8450 states and 12557 transitions. [2022-07-23 03:11:53,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 03:11:53,591 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 63 [2022-07-23 03:11:53,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:11:53,649 INFO L225 Difference]: With dead ends: 8450 [2022-07-23 03:11:53,649 INFO L226 Difference]: Without dead ends: 8448 [2022-07-23 03:11:53,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-23 03:11:53,657 INFO L413 NwaCegarLoop]: 12531 mSDtfsCounter, 12507 mSDsluCounter, 25047 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12511 SdHoareTripleChecker+Valid, 37578 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-23 03:11:53,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12511 Valid, 37578 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-23 03:11:53,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8448 states. [2022-07-23 03:11:56,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8448 to 8448. [2022-07-23 03:11:56,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8448 states, 4845 states have (on average 1.1550051599587203) internal successors, (5596), 4871 states have internal predecessors, (5596), 3481 states have call successors, (3481), 120 states have call predecessors, (3481), 119 states have return successors, (3478), 3466 states have call predecessors, (3478), 3478 states have call successors, (3478) [2022-07-23 03:11:56,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8448 states to 8448 states and 12555 transitions. [2022-07-23 03:11:56,453 INFO L78 Accepts]: Start accepts. Automaton has 8448 states and 12555 transitions. Word has length 63 [2022-07-23 03:11:56,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:11:56,453 INFO L495 AbstractCegarLoop]: Abstraction has 8448 states and 12555 transitions. [2022-07-23 03:11:56,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-23 03:11:56,454 INFO L276 IsEmpty]: Start isEmpty. Operand 8448 states and 12555 transitions. [2022-07-23 03:11:56,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-07-23 03:11:56,454 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:11:56,454 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 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, 1, 1] [2022-07-23 03:11:56,478 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-23 03:11:56,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:11:56,679 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 03:11:56,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:11:56,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1754354293, now seen corresponding path program 1 times [2022-07-23 03:11:56,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:11:56,681 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1464410882] [2022-07-23 03:11:56,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:11:56,681 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:11:56,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:11:56,695 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 03:11:56,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process