./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5a4efb80f78cf6db9ac1c2540f0e3afbb357842376bf73c44e7e4fa9311ea9dc --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 14:18:46,452 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 14:18:46,454 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 14:18:46,500 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 14:18:46,501 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 14:18:46,502 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 14:18:46,505 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 14:18:46,508 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 14:18:46,510 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 14:18:46,514 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 14:18:46,516 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 14:18:46,518 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 14:18:46,518 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 14:18:46,520 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 14:18:46,522 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 14:18:46,527 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 14:18:46,527 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 14:18:46,529 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 14:18:46,531 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 14:18:46,536 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 14:18:46,537 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 14:18:46,538 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 14:18:46,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 14:18:46,541 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 14:18:46,542 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 14:18:46,549 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 14:18:46,549 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 14:18:46,550 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 14:18:46,550 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 14:18:46,551 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 14:18:46,553 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 14:18:46,553 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 14:18:46,555 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 14:18:46,556 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 14:18:46,557 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 14:18:46,558 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 14:18:46,558 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 14:18:46,558 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 14:18:46,559 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 14:18:46,559 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 14:18:46,560 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 14:18:46,561 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 14:18:46,566 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 14:18:46,597 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 14:18:46,597 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 14:18:46,598 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 14:18:46,598 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 14:18:46,598 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 14:18:46,599 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 14:18:46,599 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 14:18:46,600 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 14:18:46,600 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 14:18:46,601 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 14:18:46,601 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 14:18:46,601 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 14:18:46,601 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 14:18:46,601 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 14:18:46,601 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 14:18:46,602 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 14:18:46,602 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 14:18:46,602 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 14:18:46,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 14:18:46,602 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 14:18:46,603 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 14:18:46,603 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:18:46,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 14:18:46,603 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 14:18:46,604 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 14:18:46,604 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 14:18:46,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 14:18:46,604 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 14:18:46,604 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 14:18:46,604 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 14:18:46,605 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a4efb80f78cf6db9ac1c2540f0e3afbb357842376bf73c44e7e4fa9311ea9dc [2022-07-21 14:18:46,914 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 14:18:46,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 14:18:46,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 14:18:46,934 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 14:18:46,935 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 14:18:46,936 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i [2022-07-21 14:18:46,999 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92eba69af/b43d61fc6c984baa8eaf3ee434d83b7c/FLAGcaf289c7d [2022-07-21 14:18:47,883 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 14:18:47,884 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i [2022-07-21 14:18:47,957 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92eba69af/b43d61fc6c984baa8eaf3ee434d83b7c/FLAGcaf289c7d [2022-07-21 14:18:48,341 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92eba69af/b43d61fc6c984baa8eaf3ee434d83b7c [2022-07-21 14:18:48,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 14:18:48,347 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 14:18:48,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 14:18:48,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 14:18:48,353 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 14:18:48,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:18:48" (1/1) ... [2022-07-21 14:18:48,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bff1d44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:18:48, skipping insertion in model container [2022-07-21 14:18:48,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:18:48" (1/1) ... [2022-07-21 14:18:48,360 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 14:18:48,567 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 14:18:51,360 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[508948,508961] [2022-07-21 14:18:51,363 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509114,509127] [2022-07-21 14:18:51,364 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509278,509291] [2022-07-21 14:18:51,368 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509443,509456] [2022-07-21 14:18:51,396 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:18:51,422 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 14:18:51,997 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) [2022-07-21 14:18:52,006 INFO L158 Benchmark]: Toolchain (without parser) took 3658.02ms. Allocated memory was 77.6MB in the beginning and 184.5MB in the end (delta: 107.0MB). Free memory was 40.7MB in the beginning and 59.3MB in the end (delta: -18.6MB). Peak memory consumption was 90.0MB. Max. memory is 16.1GB. [2022-07-21 14:18:52,007 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 77.6MB. Free memory is still 59.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 14:18:52,007 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3655.69ms. Allocated memory was 77.6MB in the beginning and 184.5MB in the end (delta: 107.0MB). Free memory was 40.5MB in the beginning and 59.3MB in the end (delta: -18.8MB). Peak memory consumption was 90.0MB. Max. memory is 16.1GB. [2022-07-21 14:18:52,008 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 77.6MB. Free memory is still 59.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3655.69ms. Allocated memory was 77.6MB in the beginning and 184.5MB in the end (delta: 107.0MB). Free memory was 40.5MB in the beginning and 59.3MB in the end (delta: -18.8MB). Peak memory consumption was 90.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: HeapLValues must be converted to RValue before their value can be queried. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: HeapLValues must be converted to RValue before their value can be queried.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 5a4efb80f78cf6db9ac1c2540f0e3afbb357842376bf73c44e7e4fa9311ea9dc --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 14:18:53,761 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 14:18:53,763 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 14:18:53,798 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 14:18:53,799 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 14:18:53,800 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 14:18:53,806 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 14:18:53,809 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 14:18:53,811 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 14:18:53,816 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 14:18:53,817 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 14:18:53,822 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 14:18:53,822 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 14:18:53,824 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 14:18:53,825 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 14:18:53,827 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 14:18:53,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 14:18:53,830 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 14:18:53,834 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 14:18:53,839 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 14:18:53,841 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 14:18:53,842 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 14:18:53,843 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 14:18:53,845 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 14:18:53,846 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 14:18:53,849 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 14:18:53,849 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 14:18:53,849 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 14:18:53,850 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 14:18:53,850 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 14:18:53,851 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 14:18:53,851 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 14:18:53,852 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 14:18:53,853 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 14:18:53,854 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 14:18:53,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 14:18:53,856 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 14:18:53,856 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 14:18:53,856 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 14:18:53,857 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 14:18:53,857 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 14:18:53,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 14:18:53,864 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 14:18:53,889 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 14:18:53,890 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 14:18:53,890 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 14:18:53,890 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 14:18:53,891 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 14:18:53,891 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 14:18:53,892 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 14:18:53,892 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 14:18:53,892 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 14:18:53,893 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 14:18:53,893 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 14:18:53,893 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 14:18:53,893 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 14:18:53,894 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 14:18:53,894 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 14:18:53,901 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 14:18:53,901 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 14:18:53,901 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 14:18:53,902 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 14:18:53,902 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 14:18:53,902 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 14:18:53,902 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 14:18:53,902 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 14:18:53,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:18:53,903 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 14:18:53,903 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 14:18:53,903 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 14:18:53,903 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 14:18:53,904 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 14:18:53,904 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 14:18:53,904 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 14:18:53,904 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 14:18:53,905 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 14:18:53,905 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a4efb80f78cf6db9ac1c2540f0e3afbb357842376bf73c44e7e4fa9311ea9dc [2022-07-21 14:18:54,222 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 14:18:54,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 14:18:54,247 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 14:18:54,248 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 14:18:54,250 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 14:18:54,252 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i [2022-07-21 14:18:54,324 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ecdf7334/aa463afa31204ed6a7af4d567ad1fdf5/FLAG083534940 [2022-07-21 14:18:55,371 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 14:18:55,372 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i [2022-07-21 14:18:55,447 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ecdf7334/aa463afa31204ed6a7af4d567ad1fdf5/FLAG083534940 [2022-07-21 14:18:55,821 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ecdf7334/aa463afa31204ed6a7af4d567ad1fdf5 [2022-07-21 14:18:55,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 14:18:55,824 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 14:18:55,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 14:18:55,825 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 14:18:55,829 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 14:18:55,829 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:18:55" (1/1) ... [2022-07-21 14:18:55,831 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5da6ce90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:18:55, skipping insertion in model container [2022-07-21 14:18:55,831 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:18:55" (1/1) ... [2022-07-21 14:18:55,839 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 14:18:56,063 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 14:18:59,638 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[508948,508961] [2022-07-21 14:18:59,642 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509114,509127] [2022-07-21 14:18:59,643 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509278,509291] [2022-07-21 14:18:59,644 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509443,509456] [2022-07-21 14:18:59,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:18:59,722 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 14:18:59,826 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 14:19:00,255 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[508948,508961] [2022-07-21 14:19:00,257 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509114,509127] [2022-07-21 14:19:00,257 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509278,509291] [2022-07-21 14:19:00,257 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509443,509456] [2022-07-21 14:19:00,261 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:19:00,276 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 14:19:00,797 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[508948,508961] [2022-07-21 14:19:00,798 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509114,509127] [2022-07-21 14:19:00,798 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509278,509291] [2022-07-21 14:19:00,799 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509443,509456] [2022-07-21 14:19:00,803 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:19:01,145 INFO L208 MainTranslator]: Completed translation [2022-07-21 14:19:01,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:19:01 WrapperNode [2022-07-21 14:19:01,146 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 14:19:01,163 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 14:19:01,164 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 14:19:01,164 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 14:19:01,172 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:19:01" (1/1) ... [2022-07-21 14:19:01,281 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:19:01" (1/1) ... [2022-07-21 14:19:01,673 INFO L137 Inliner]: procedures = 383, calls = 6116, calls flagged for inlining = 171, calls inlined = 146, statements flattened = 13554 [2022-07-21 14:19:01,675 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 14:19:01,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 14:19:01,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 14:19:01,676 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 14:19:01,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:19:01" (1/1) ... [2022-07-21 14:19:01,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:19:01" (1/1) ... [2022-07-21 14:19:01,811 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:19:01" (1/1) ... [2022-07-21 14:19:01,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:19:01" (1/1) ... [2022-07-21 14:19:01,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:19:01" (1/1) ... [2022-07-21 14:19:02,005 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:19:01" (1/1) ... [2022-07-21 14:19:02,054 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:19:01" (1/1) ... [2022-07-21 14:19:02,112 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 14:19:02,114 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 14:19:02,114 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 14:19:02,114 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 14:19:02,115 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:19:01" (1/1) ... [2022-07-21 14:19:02,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:19:02,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 14:19:02,140 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) [2022-07-21 14:19:02,165 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 [2022-07-21 14:19:02,177 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-21 14:19:02,177 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-21 14:19:02,177 INFO L130 BoogieDeclarations]: Found specification of procedure to_sd [2022-07-21 14:19:02,177 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sd [2022-07-21 14:19:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_tuner [2022-07-21 14:19:02,178 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_tuner [2022-07-21 14:19:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 14:19:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-21 14:19:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ctrl [2022-07-21 14:19:02,178 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ctrl [2022-07-21 14:19:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 14:19:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_s_parameters [2022-07-21 14:19:02,179 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_s_parameters [2022-07-21 14:19:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 14:19:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 14:19:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 14:19:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 14:19:02,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 14:19:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure input_change [2022-07-21 14:19:02,180 INFO L138 BoogieDeclarations]: Found implementation of procedure input_change [2022-07-21 14:19:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_g_parameters [2022-07-21 14:19:02,180 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_g_parameters [2022-07-21 14:19:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_querymenu [2022-07-21 14:19:02,181 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_querymenu [2022-07-21 14:19:02,181 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-21 14:19:02,181 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-21 14:19:02,181 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_probe [2022-07-21 14:19:02,181 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_probe [2022-07-21 14:19:02,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 14:19:02,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 14:19:02,182 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-21 14:19:02,182 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-21 14:19:02,182 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_shutdown [2022-07-21 14:19:02,182 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_shutdown [2022-07-21 14:19:02,182 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx2388x [2022-07-21 14:19:02,183 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx2388x [2022-07-21 14:19:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_tuner [2022-07-21 14:19:02,183 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_tuner [2022-07-21 14:19:02,183 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx2583x [2022-07-21 14:19:02,184 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx2583x [2022-07-21 14:19:02,184 INFO L130 BoogieDeclarations]: Found specification of procedure to_ir_state [2022-07-21 14:19:02,184 INFO L138 BoogieDeclarations]: Found implementation of procedure to_ir_state [2022-07-21 14:19:02,185 INFO L130 BoogieDeclarations]: Found specification of procedure control_tx_enable [2022-07-21 14:19:02,185 INFO L138 BoogieDeclarations]: Found implementation of procedure control_tx_enable [2022-07-21 14:19:02,185 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_width_count_to_ns [2022-07-21 14:19:02,185 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_width_count_to_ns [2022-07-21 14:19:02,185 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-21 14:19:02,185 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-21 14:19:02,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 14:19:02,186 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 14:19:02,186 INFO L130 BoogieDeclarations]: Found specification of procedure carrier_freq_to_clock_divider [2022-07-21 14:19:02,186 INFO L138 BoogieDeclarations]: Found implementation of procedure carrier_freq_to_clock_divider [2022-07-21 14:19:02,186 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_demodulation_enable [2022-07-21 14:19:02,186 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_demodulation_enable [2022-07-21 14:19:02,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-07-21 14:19:02,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-07-21 14:19:02,187 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 14:19:02,187 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 14:19:02,187 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 14:19:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 14:19:02,188 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 14:19:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_write [2022-07-21 14:19:02,188 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_write [2022-07-21 14:19:02,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 14:19:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_mbus_fmt [2022-07-21 14:19:02,189 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_mbus_fmt [2022-07-21 14:19:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 14:19:02,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-21 14:19:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2022-07-21 14:19:02,189 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2022-07-21 14:19:02,189 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2022-07-21 14:19:02,190 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2022-07-21 14:19:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 14:19:02,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 14:19:02,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-21 14:19:02,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-21 14:19:02,191 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-21 14:19:02,191 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-21 14:19:02,191 INFO L130 BoogieDeclarations]: Found specification of procedure set_volume [2022-07-21 14:19:02,192 INFO L138 BoogieDeclarations]: Found implementation of procedure set_volume [2022-07-21 14:19:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_sliced_fmt [2022-07-21 14:19:02,192 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_sliced_fmt [2022-07-21 14:19:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_initialize [2022-07-21 14:19:02,192 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_initialize [2022-07-21 14:19:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-21 14:19:02,192 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ext_ctrls [2022-07-21 14:19:02,193 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ext_ctrls [2022-07-21 14:19:02,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 14:19:02,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 14:19:02,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 14:19:02,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 14:19:02,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 14:19:02,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 14:19:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 14:19:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-21 14:19:02,194 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-21 14:19:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-21 14:19:02,194 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-21 14:19:02,194 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2022-07-21 14:19:02,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2022-07-21 14:19:02,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-21 14:19:02,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-21 14:19:02,197 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_resolution [2022-07-21 14:19:02,198 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_resolution [2022-07-21 14:19:02,198 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-21 14:19:02,199 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-21 14:19:02,199 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_try_ext_ctrls [2022-07-21 14:19:02,200 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_try_ext_ctrls [2022-07-21 14:19:02,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_rx_params_lock_of_cx25840_ir_state [2022-07-21 14:19:02,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_rx_params_lock_of_cx25840_ir_state [2022-07-21 14:19:02,200 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-21 14:19:02,201 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-21 14:19:02,206 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata___0 [2022-07-21 14:19:02,206 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata___0 [2022-07-21 14:19:02,206 INFO L130 BoogieDeclarations]: Found specification of procedure cx25836_initialize [2022-07-21 14:19:02,206 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25836_initialize [2022-07-21 14:19:02,206 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_write4 [2022-07-21 14:19:02,207 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_write4 [2022-07-21 14:19:02,207 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ext_ctrls [2022-07-21 14:19:02,207 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ext_ctrls [2022-07-21 14:19:02,207 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_frequency [2022-07-21 14:19:02,207 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_frequency [2022-07-21 14:19:02,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-21 14:19:02,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-21 14:19:02,208 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_std_setup [2022-07-21 14:19:02,208 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_std_setup [2022-07-21 14:19:02,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-21 14:19:02,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-21 14:19:02,208 INFO L130 BoogieDeclarations]: Found specification of procedure irqenable_tx [2022-07-21 14:19:02,208 INFO L138 BoogieDeclarations]: Found implementation of procedure irqenable_tx [2022-07-21 14:19:02,208 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2022-07-21 14:19:02,208 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2022-07-21 14:19:02,209 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_queryctrl [2022-07-21 14:19:02,209 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_queryctrl [2022-07-21 14:19:02,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 14:19:02,209 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 14:19:02,209 INFO L130 BoogieDeclarations]: Found specification of procedure control_tx_modulation_enable [2022-07-21 14:19:02,209 INFO L138 BoogieDeclarations]: Found implementation of procedure control_tx_modulation_enable [2022-07-21 14:19:02,209 INFO L130 BoogieDeclarations]: Found specification of procedure cx23885_initialize [2022-07-21 14:19:02,209 INFO L138 BoogieDeclarations]: Found implementation of procedure cx23885_initialize [2022-07-21 14:19:02,209 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_raw_fmt [2022-07-21 14:19:02,210 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_raw_fmt [2022-07-21 14:19:02,210 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_freq [2022-07-21 14:19:02,210 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_freq [2022-07-21 14:19:02,210 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_std [2022-07-21 14:19:02,210 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_std [2022-07-21 14:19:02,210 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_and_or [2022-07-21 14:19:02,210 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_and_or [2022-07-21 14:19:02,210 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ctrl [2022-07-21 14:19:02,211 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ctrl [2022-07-21 14:19:02,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-21 14:19:02,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-21 14:19:02,211 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_s_parameters [2022-07-21 14:19:02,211 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_s_parameters [2022-07-21 14:19:02,211 INFO L130 BoogieDeclarations]: Found specification of procedure to_state [2022-07-21 14:19:02,211 INFO L138 BoogieDeclarations]: Found implementation of procedure to_state [2022-07-21 14:19:02,211 INFO L130 BoogieDeclarations]: Found specification of procedure set_audclk_freq [2022-07-21 14:19:02,211 INFO L138 BoogieDeclarations]: Found implementation of procedure set_audclk_freq [2022-07-21 14:19:02,212 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_register [2022-07-21 14:19:02,212 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_register [2022-07-21 14:19:02,212 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_register [2022-07-21 14:19:02,212 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_register [2022-07-21 14:19:02,212 INFO L130 BoogieDeclarations]: Found specification of procedure set_input [2022-07-21 14:19:02,212 INFO L138 BoogieDeclarations]: Found implementation of procedure set_input [2022-07-21 14:19:02,212 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_g_parameters [2022-07-21 14:19:02,212 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_g_parameters [2022-07-21 14:19:02,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 14:19:02,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-21 14:19:02,213 INFO L130 BoogieDeclarations]: Found specification of procedure cx23888_std_setup [2022-07-21 14:19:02,213 INFO L138 BoogieDeclarations]: Found implementation of procedure cx23888_std_setup [2022-07-21 14:19:02,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 14:19:02,213 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_initialize [2022-07-21 14:19:02,213 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_initialize [2022-07-21 14:19:02,213 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-07-21 14:19:02,214 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-07-21 14:19:02,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 14:19:02,214 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-21 14:19:02,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-21 14:19:02,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tx_params_lock_of_cx25840_ir_state [2022-07-21 14:19:02,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tx_params_lock_of_cx25840_ir_state [2022-07-21 14:19:02,214 INFO L130 BoogieDeclarations]: Found specification of procedure irqenable_rx [2022-07-21 14:19:02,214 INFO L138 BoogieDeclarations]: Found implementation of procedure irqenable_rx [2022-07-21 14:19:02,214 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_and_or4 [2022-07-21 14:19:02,215 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_and_or4 [2022-07-21 14:19:02,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_tx_params_lock_of_cx25840_ir_state [2022-07-21 14:19:02,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_tx_params_lock_of_cx25840_ir_state [2022-07-21 14:19:02,215 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_input_status [2022-07-21 14:19:02,215 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_input_status [2022-07-21 14:19:02,215 INFO L130 BoogieDeclarations]: Found specification of procedure lpf_count_to_ns [2022-07-21 14:19:02,215 INFO L138 BoogieDeclarations]: Found implementation of procedure lpf_count_to_ns [2022-07-21 14:19:02,215 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_set_audclk_freq [2022-07-21 14:19:02,216 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_set_audclk_freq [2022-07-21 14:19:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_read [2022-07-21 14:19:02,216 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_read [2022-07-21 14:19:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 14:19:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_width_count_to_us [2022-07-21 14:19:02,216 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_width_count_to_us [2022-07-21 14:19:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 14:19:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 14:19:02,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 14:19:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 14:19:02,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 14:19:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 14:19:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-21 14:19:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_sliced_fmt [2022-07-21 14:19:02,217 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_sliced_fmt [2022-07-21 14:19:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send [2022-07-21 14:19:02,218 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_send [2022-07-21 14:19:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 14:19:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-21 14:19:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2022-07-21 14:19:02,218 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2022-07-21 14:19:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 14:19:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_decode_vbi_line [2022-07-21 14:19:02,218 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_decode_vbi_line [2022-07-21 14:19:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_adapter_id [2022-07-21 14:19:02,219 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_adapter_id [2022-07-21 14:19:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_carrier_freq [2022-07-21 14:19:02,219 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_carrier_freq [2022-07-21 14:19:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_clocks_to_clock_divider [2022-07-21 14:19:02,219 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_clocks_to_clock_divider [2022-07-21 14:19:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx231xx [2022-07-21 14:19:02,219 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx231xx [2022-07-21 14:19:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 14:19:02,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 14:19:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_s_edge_detection [2022-07-21 14:19:02,220 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_s_edge_detection [2022-07-21 14:19:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2022-07-21 14:19:02,220 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2022-07-21 14:19:02,221 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_probe [2022-07-21 14:19:02,224 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_probe [2022-07-21 14:19:02,224 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-21 14:19:02,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-21 14:19:02,224 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-07-21 14:19:02,225 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-07-21 14:19:02,225 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_read4 [2022-07-21 14:19:02,225 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_read4 [2022-07-21 14:19:02,225 INFO L130 BoogieDeclarations]: Found specification of procedure odd_parity [2022-07-21 14:19:02,225 INFO L138 BoogieDeclarations]: Found implementation of procedure odd_parity [2022-07-21 14:19:02,226 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_enable [2022-07-21 14:19:02,226 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_enable [2022-07-21 14:19:02,226 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-21 14:19:02,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-21 14:19:02,227 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_rx_params_lock_of_cx25840_ir_state [2022-07-21 14:19:02,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_rx_params_lock_of_cx25840_ir_state [2022-07-21 14:19:02,227 INFO L130 BoogieDeclarations]: Found specification of procedure filter_rx_s_min_width [2022-07-21 14:19:02,227 INFO L138 BoogieDeclarations]: Found implementation of procedure filter_rx_s_min_width [2022-07-21 14:19:02,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 14:19:02,227 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_shutdown [2022-07-21 14:19:02,227 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_shutdown [2022-07-21 14:19:02,227 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-21 14:19:02,227 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-21 14:19:02,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-21 14:19:02,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-21 14:19:02,228 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~TO~VOID [2022-07-21 14:19:02,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~TO~VOID [2022-07-21 14:19:02,228 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-21 14:19:02,228 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-21 14:19:02,228 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23885 [2022-07-21 14:19:02,228 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23885 [2022-07-21 14:19:02,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 14:19:02,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 14:19:02,229 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_pulse_clocks [2022-07-21 14:19:02,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_pulse_clocks [2022-07-21 14:19:02,229 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23888 [2022-07-21 14:19:02,229 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23888 [2022-07-21 14:19:02,229 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23887 [2022-07-21 14:19:02,229 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23887 [2022-07-21 14:19:03,567 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 14:19:03,570 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 14:19:07,192 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 14:22:03,343 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 14:22:03,391 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 14:22:03,392 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-21 14:22:03,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:22:03 BoogieIcfgContainer [2022-07-21 14:22:03,402 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 14:22:03,404 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 14:22:03,404 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 14:22:03,407 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 14:22:03,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 02:18:55" (1/3) ... [2022-07-21 14:22:03,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c3af42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:22:03, skipping insertion in model container [2022-07-21 14:22:03,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:19:01" (2/3) ... [2022-07-21 14:22:03,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c3af42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:22:03, skipping insertion in model container [2022-07-21 14:22:03,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:22:03" (3/3) ... [2022-07-21 14:22:03,410 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i [2022-07-21 14:22:03,423 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 14:22:03,423 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-21 14:22:03,640 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 14:22:03,644 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@776edc61, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@355b7cd7 [2022-07-21 14:22:03,644 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-21 14:22:03,671 INFO L276 IsEmpty]: Start isEmpty. Operand has 8449 states, 4846 states have (on average 1.1568303755674783) internal successors, (5606), 4873 states have internal predecessors, (5606), 3481 states have call successors, (3481), 119 states have call predecessors, (3481), 118 states have return successors, (3478), 3466 states have call predecessors, (3478), 3478 states have call successors, (3478) [2022-07-21 14:22:03,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-07-21 14:22:03,680 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:22:03,680 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] [2022-07-21 14:22:03,681 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 14:22:03,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:22:03,687 INFO L85 PathProgramCache]: Analyzing trace with hash -2107106722, now seen corresponding path program 1 times [2022-07-21 14:22:03,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:22:03,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [139730673] [2022-07-21 14:22:03,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:22:03,706 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:22:03,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:22:03,709 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) [2022-07-21 14:22:03,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 14:22:05,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:22:05,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 1762 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 14:22:05,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:22:07,342 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-21 14:22:07,342 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:22:07,342 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:22:07,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [139730673] [2022-07-21 14:22:07,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [139730673] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:22:07,343 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:22:07,343 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 14:22:07,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1363155122] [2022-07-21 14:22:07,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:22:07,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 14:22:07,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:22:07,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 14:22:07,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 14:22:07,392 INFO L87 Difference]: Start difference. First operand has 8449 states, 4846 states have (on average 1.1568303755674783) internal successors, (5606), 4873 states have internal predecessors, (5606), 3481 states have call successors, (3481), 119 states have call predecessors, (3481), 118 states have return successors, (3478), 3466 states have call predecessors, (3478), 3478 states have call successors, (3478) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-07-21 14:22:08,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:22:08,921 INFO L93 Difference]: Finished difference Result 16874 states and 25149 transitions. [2022-07-21 14:22:08,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 14:22:08,930 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 48 [2022-07-21 14:22:08,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:22:09,041 INFO L225 Difference]: With dead ends: 16874 [2022-07-21 14:22:09,043 INFO L226 Difference]: Without dead ends: 8441 [2022-07-21 14:22:09,126 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-21 14:22:09,133 INFO L413 NwaCegarLoop]: 12551 mSDtfsCounter, 12525 mSDsluCounter, 25096 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12526 SdHoareTripleChecker+Valid, 37647 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-21 14:22:09,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12526 Valid, 37647 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-21 14:22:09,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8441 states. [2022-07-21 14:22:12,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8441 to 8441. [2022-07-21 14:22:12,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8441 states, 4842 states have (on average 1.1551011978521273) internal successors, (5593), 4868 states have internal predecessors, (5593), 3478 states have call successors, (3478), 119 states have call predecessors, (3478), 118 states have return successors, (3475), 3463 states have call predecessors, (3475), 3475 states have call successors, (3475) [2022-07-21 14:22:12,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8441 states to 8441 states and 12546 transitions. [2022-07-21 14:22:12,276 INFO L78 Accepts]: Start accepts. Automaton has 8441 states and 12546 transitions. Word has length 48 [2022-07-21 14:22:12,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:22:12,277 INFO L495 AbstractCegarLoop]: Abstraction has 8441 states and 12546 transitions. [2022-07-21 14:22:12,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-07-21 14:22:12,279 INFO L276 IsEmpty]: Start isEmpty. Operand 8441 states and 12546 transitions. [2022-07-21 14:22:12,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-07-21 14:22:12,283 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:22:12,283 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] [2022-07-21 14:22:12,321 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-21 14:22:12,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:22:12,500 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 14:22:12,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:22:12,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1256060321, now seen corresponding path program 1 times [2022-07-21 14:22:12,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:22:12,502 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [509506180] [2022-07-21 14:22:12,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:22:12,502 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:22:12,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:22:12,503 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) [2022-07-21 14:22:12,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 14:22:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:22:13,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 1769 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 14:22:13,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:22:16,173 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-21 14:22:16,174 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 14:22:17,297 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-21 14:22:17,297 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:22:17,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [509506180] [2022-07-21 14:22:17,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [509506180] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-21 14:22:17,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 14:22:17,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-07-21 14:22:17,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383355329] [2022-07-21 14:22:17,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:22:17,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 14:22:17,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:22:17,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 14:22:17,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-21 14:22:17,300 INFO L87 Difference]: Start difference. First operand 8441 states and 12546 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-21 14:22:18,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:22:18,748 INFO L93 Difference]: Finished difference Result 8447 states and 12551 transitions. [2022-07-21 14:22:18,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 14:22:18,749 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 [2022-07-21 14:22:18,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:22:18,899 INFO L225 Difference]: With dead ends: 8447 [2022-07-21 14:22:18,900 INFO L226 Difference]: Without dead ends: 8445 [2022-07-21 14:22:18,906 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-21 14:22:18,909 INFO L413 NwaCegarLoop]: 12543 mSDtfsCounter, 12521 mSDsluCounter, 25073 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12525 SdHoareTripleChecker+Valid, 37616 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-21 14:22:18,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12525 Valid, 37616 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-21 14:22:18,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8445 states. [2022-07-21 14:22:21,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8445 to 8445. [2022-07-21 14:22:21,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8445 states, 4845 states have (on average 1.1550051599587203) internal successors, (5596), 4871 states have internal predecessors, (5596), 3478 states have call successors, (3478), 120 states have call predecessors, (3478), 119 states have return successors, (3475), 3463 states have call predecessors, (3475), 3475 states have call successors, (3475) [2022-07-21 14:22:21,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8445 states to 8445 states and 12549 transitions. [2022-07-21 14:22:21,626 INFO L78 Accepts]: Start accepts. Automaton has 8445 states and 12549 transitions. Word has length 53 [2022-07-21 14:22:21,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:22:21,627 INFO L495 AbstractCegarLoop]: Abstraction has 8445 states and 12549 transitions. [2022-07-21 14:22:21,627 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) [2022-07-21 14:22:21,628 INFO L276 IsEmpty]: Start isEmpty. Operand 8445 states and 12549 transitions. [2022-07-21 14:22:21,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-07-21 14:22:21,635 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:22:21,635 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] [2022-07-21 14:22:21,679 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 14:22:21,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:22:21,852 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 14:22:21,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:22:21,852 INFO L85 PathProgramCache]: Analyzing trace with hash -621802818, now seen corresponding path program 1 times [2022-07-21 14:22:21,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:22:21,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1885493754] [2022-07-21 14:22:21,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:22:21,854 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:22:21,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:22:21,856 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) [2022-07-21 14:22:21,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 14:22:23,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:22:23,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 1776 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 14:22:23,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:22:25,454 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-07-21 14:22:25,454 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 14:22:26,681 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-07-21 14:22:26,681 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:22:26,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1885493754] [2022-07-21 14:22:26,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1885493754] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-21 14:22:26,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 14:22:26,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-07-21 14:22:26,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253846099] [2022-07-21 14:22:26,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:22:26,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 14:22:26,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:22:26,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 14:22:26,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-21 14:22:26,683 INFO L87 Difference]: Start difference. First operand 8445 states and 12549 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-21 14:22:28,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:22:28,039 INFO L93 Difference]: Finished difference Result 8451 states and 12554 transitions. [2022-07-21 14:22:28,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 14:22:28,040 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 [2022-07-21 14:22:28,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:22:28,122 INFO L225 Difference]: With dead ends: 8451 [2022-07-21 14:22:28,122 INFO L226 Difference]: Without dead ends: 8449 [2022-07-21 14:22:28,136 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-21 14:22:28,139 INFO L413 NwaCegarLoop]: 12543 mSDtfsCounter, 12521 mSDsluCounter, 25073 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12524 SdHoareTripleChecker+Valid, 37616 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-21 14:22:28,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12524 Valid, 37616 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-21 14:22:28,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8449 states. [2022-07-21 14:22:30,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8449 to 8449. [2022-07-21 14:22:30,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8449 states, 4848 states have (on average 1.1549092409240924) internal successors, (5599), 4874 states have internal predecessors, (5599), 3478 states have call successors, (3478), 121 states have call predecessors, (3478), 120 states have return successors, (3475), 3463 states have call predecessors, (3475), 3475 states have call successors, (3475) [2022-07-21 14:22:30,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8449 states to 8449 states and 12552 transitions. [2022-07-21 14:22:30,962 INFO L78 Accepts]: Start accepts. Automaton has 8449 states and 12552 transitions. Word has length 58 [2022-07-21 14:22:30,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:22:30,964 INFO L495 AbstractCegarLoop]: Abstraction has 8449 states and 12552 transitions. [2022-07-21 14:22:30,964 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) [2022-07-21 14:22:30,964 INFO L276 IsEmpty]: Start isEmpty. Operand 8449 states and 12552 transitions. [2022-07-21 14:22:30,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-07-21 14:22:30,967 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:22:30,967 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] [2022-07-21 14:22:31,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 14:22:31,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:22:31,184 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 14:22:31,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:22:31,184 INFO L85 PathProgramCache]: Analyzing trace with hash -937720449, now seen corresponding path program 1 times [2022-07-21 14:22:31,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:22:31,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [721991984] [2022-07-21 14:22:31,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:22:31,186 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:22:31,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:22:31,187 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) [2022-07-21 14:22:31,189 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 14:22:32,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:22:32,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 1783 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 14:22:32,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:22:34,978 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-21 14:22:34,979 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 14:22:36,187 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-21 14:22:36,187 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:22:36,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [721991984] [2022-07-21 14:22:36,188 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [721991984] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-21 14:22:36,188 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 14:22:36,188 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-07-21 14:22:36,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120367780] [2022-07-21 14:22:36,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:22:36,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 14:22:36,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:22:36,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 14:22:36,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-21 14:22:36,189 INFO L87 Difference]: Start difference. First operand 8449 states and 12552 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-21 14:22:37,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:22:37,441 INFO L93 Difference]: Finished difference Result 8455 states and 12557 transitions. [2022-07-21 14:22:37,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 14:22:37,442 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 [2022-07-21 14:22:37,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:22:37,505 INFO L225 Difference]: With dead ends: 8455 [2022-07-21 14:22:37,505 INFO L226 Difference]: Without dead ends: 8453 [2022-07-21 14:22:37,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-21 14:22:37,521 INFO L413 NwaCegarLoop]: 12543 mSDtfsCounter, 12521 mSDsluCounter, 25073 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12523 SdHoareTripleChecker+Valid, 37616 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-21 14:22:37,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12523 Valid, 37616 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-21 14:22:37,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8453 states. [2022-07-21 14:22:40,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8453 to 8453. [2022-07-21 14:22:40,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8453 states, 4851 states have (on average 1.1548134405277262) internal successors, (5602), 4877 states have internal predecessors, (5602), 3478 states have call successors, (3478), 122 states have call predecessors, (3478), 121 states have return successors, (3475), 3463 states have call predecessors, (3475), 3475 states have call successors, (3475) [2022-07-21 14:22:40,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8453 states to 8453 states and 12555 transitions. [2022-07-21 14:22:40,297 INFO L78 Accepts]: Start accepts. Automaton has 8453 states and 12555 transitions. Word has length 63 [2022-07-21 14:22:40,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:22:40,298 INFO L495 AbstractCegarLoop]: Abstraction has 8453 states and 12555 transitions. [2022-07-21 14:22:40,298 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) [2022-07-21 14:22:40,298 INFO L276 IsEmpty]: Start isEmpty. Operand 8453 states and 12555 transitions. [2022-07-21 14:22:40,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-07-21 14:22:40,300 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:22:40,300 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 14:22:40,334 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-21 14:22:40,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:22:40,515 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 14:22:40,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:22:40,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1267147100, now seen corresponding path program 1 times [2022-07-21 14:22:40,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:22:40,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1527108767] [2022-07-21 14:22:40,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:22:40,518 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:22:40,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:22:40,519 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) [2022-07-21 14:22:40,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 14:22:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:22:41,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 1810 conjuncts, 23 conjunts are in the unsatisfiable core [2022-07-21 14:22:41,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:22:46,218 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-07-21 14:22:46,219 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 14:22:50,058 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-07-21 14:22:50,058 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:22:50,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1527108767] [2022-07-21 14:22:50,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1527108767] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-21 14:22:50,058 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-21 14:22:50,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 18 [2022-07-21 14:22:50,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917845136] [2022-07-21 14:22:50,059 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-21 14:22:50,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-07-21 14:22:50,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:22:50,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-07-21 14:22:50,060 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-07-21 14:22:50,060 INFO L87 Difference]: Start difference. First operand 8453 states and 12555 transitions. Second operand has 18 states, 17 states have (on average 2.764705882352941) internal successors, (47), 16 states have internal predecessors, (47), 6 states have call successors, (19), 2 states have call predecessors, (19), 5 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18)