./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 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-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-?-791161d [2022-07-23 03:02:45,429 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 03:02:45,432 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 03:02:45,477 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 03:02:45,477 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 03:02:45,479 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 03:02:45,480 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 03:02:45,485 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 03:02:45,488 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 03:02:45,492 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 03:02:45,493 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 03:02:45,495 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 03:02:45,496 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 03:02:45,498 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 03:02:45,500 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 03:02:45,503 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 03:02:45,504 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 03:02:45,506 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 03:02:45,508 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 03:02:45,514 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 03:02:45,516 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 03:02:45,517 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 03:02:45,518 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 03:02:45,519 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 03:02:45,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 03:02:45,528 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 03:02:45,528 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 03:02:45,529 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 03:02:45,530 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 03:02:45,531 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 03:02:45,532 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 03:02:45,532 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 03:02:45,534 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 03:02:45,535 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 03:02:45,536 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 03:02:45,537 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 03:02:45,538 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 03:02:45,539 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 03:02:45,539 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 03:02:45,540 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 03:02:45,540 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 03:02:45,541 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 03:02:45,542 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 03:02:45,559 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 03:02:45,559 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 03:02:45,560 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 03:02:45,560 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 03:02:45,561 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 03:02:45,561 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 03:02:45,561 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 03:02:45,562 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 03:02:45,562 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 03:02:45,562 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 03:02:45,562 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 03:02:45,562 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 03:02:45,563 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 03:02:45,563 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 03:02:45,563 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 03:02:45,563 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 03:02:45,563 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 03:02:45,563 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 03:02:45,564 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 03:02:45,564 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 03:02:45,564 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 03:02:45,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:02:45,565 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 03:02:45,565 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 03:02:45,565 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 03:02:45,565 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 03:02:45,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 03:02:45,565 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 03:02:45,566 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 03:02:45,566 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 03:02:45,566 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a4efb80f78cf6db9ac1c2540f0e3afbb357842376bf73c44e7e4fa9311ea9dc [2022-07-23 03:02:45,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 03:02:45,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 03:02:45,779 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 03:02:45,780 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 03:02:45,780 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 03:02:45,781 INFO L432 ainManager$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 [2022-07-23 03:02:45,853 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0246f17cc/90482aea8ad04cfe92868ae2384fc10c/FLAG38505c72a [2022-07-23 03:02:46,709 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 03:02:46,710 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 [2022-07-23 03:02:46,759 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0246f17cc/90482aea8ad04cfe92868ae2384fc10c/FLAG38505c72a [2022-07-23 03:02:46,810 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0246f17cc/90482aea8ad04cfe92868ae2384fc10c [2022-07-23 03:02:46,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 03:02:46,813 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 03:02:46,816 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 03:02:46,816 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 03:02:46,819 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 03:02:46,820 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:02:46" (1/1) ... [2022-07-23 03:02:46,821 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@454a2a69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:02:46, skipping insertion in model container [2022-07-23 03:02:46,821 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:02:46" (1/1) ... [2022-07-23 03:02:46,827 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 03:02:46,992 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 03:02:51,091 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] [2022-07-23 03:02:51,094 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] [2022-07-23 03:02:51,094 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] [2022-07-23 03:02:51,095 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] [2022-07-23 03:02:51,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:02:51,158 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 03:02:51,608 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.AssertionError: HeapLValues must be converted to RValue before their value can be queried. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:517) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-23 03:02:51,617 INFO L158 Benchmark]: Toolchain (without parser) took 4802.31ms. Allocated memory was 109.1MB in the beginning and 222.3MB in the end (delta: 113.2MB). Free memory was 72.0MB in the beginning and 87.6MB in the end (delta: -15.6MB). Peak memory consumption was 113.7MB. Max. memory is 16.1GB. [2022-07-23 03:02:51,617 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 90.2MB. Free memory is still 44.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 03:02:51,619 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4798.58ms. Allocated memory was 109.1MB in the beginning and 222.3MB in the end (delta: 113.2MB). Free memory was 71.6MB in the beginning and 87.6MB in the end (delta: -16.0MB). Peak memory consumption was 113.7MB. Max. memory is 16.1GB. [2022-07-23 03:02:51,620 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 90.2MB. Free memory is still 44.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4798.58ms. Allocated memory was 109.1MB in the beginning and 222.3MB in the end (delta: 113.2MB). Free memory was 71.6MB in the beginning and 87.6MB in the end (delta: -16.0MB). Peak memory consumption was 113.7MB. 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-?-791161d [2022-07-23 03:02:53,374 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 03:02:53,377 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 03:02:53,414 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 03:02:53,415 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 03:02:53,417 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 03:02:53,420 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 03:02:53,423 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 03:02:53,425 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 03:02:53,429 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 03:02:53,430 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 03:02:53,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 03:02:53,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 03:02:53,436 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 03:02:53,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 03:02:53,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 03:02:53,440 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 03:02:53,442 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 03:02:53,443 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 03:02:53,448 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 03:02:53,449 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 03:02:53,450 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 03:02:53,452 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 03:02:53,453 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 03:02:53,454 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 03:02:53,460 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 03:02:53,460 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 03:02:53,461 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 03:02:53,461 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 03:02:53,462 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 03:02:53,462 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 03:02:53,463 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 03:02:53,464 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 03:02:53,465 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 03:02:53,466 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 03:02:53,467 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 03:02:53,467 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 03:02:53,467 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 03:02:53,468 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 03:02:53,468 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 03:02:53,469 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 03:02:53,470 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 03:02:53,475 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-23 03:02:53,506 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 03:02:53,506 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 03:02:53,507 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 03:02:53,507 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 03:02:53,508 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 03:02:53,508 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 03:02:53,508 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 03:02:53,509 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 03:02:53,509 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 03:02:53,509 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 03:02:53,510 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 03:02:53,510 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 03:02:53,510 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 03:02:53,510 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 03:02:53,516 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 03:02:53,516 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-23 03:02:53,516 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-23 03:02:53,516 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 03:02:53,516 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 03:02:53,516 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 03:02:53,516 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 03:02:53,516 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 03:02:53,517 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 03:02:53,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:02:53,517 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 03:02:53,517 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 03:02:53,517 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 03:02:53,517 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-23 03:02:53,517 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-23 03:02:53,517 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 03:02:53,517 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 03:02:53,517 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 03:02:53,518 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-23 03:02:53,518 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a4efb80f78cf6db9ac1c2540f0e3afbb357842376bf73c44e7e4fa9311ea9dc [2022-07-23 03:02:53,836 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 03:02:53,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 03:02:53,856 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 03:02:53,857 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 03:02:53,857 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 03:02:53,858 INFO L432 ainManager$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 [2022-07-23 03:02:53,914 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a964bf56/ac77932e2b0f4fb3992b75123455eb68/FLAG6b839071a [2022-07-23 03:02:54,880 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 03:02:54,881 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 [2022-07-23 03:02:54,932 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a964bf56/ac77932e2b0f4fb3992b75123455eb68/FLAG6b839071a [2022-07-23 03:02:55,422 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a964bf56/ac77932e2b0f4fb3992b75123455eb68 [2022-07-23 03:02:55,425 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 03:02:55,426 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 03:02:55,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 03:02:55,429 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 03:02:55,433 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 03:02:55,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:02:55" (1/1) ... [2022-07-23 03:02:55,434 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 23.07 03:02:55, skipping insertion in model container [2022-07-23 03:02:55,435 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:02:55" (1/1) ... [2022-07-23 03:02:55,441 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 03:02:55,640 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 03:02:58,493 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] [2022-07-23 03:02:58,496 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] [2022-07-23 03:02:58,497 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] [2022-07-23 03:02:58,497 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] [2022-07-23 03:02:58,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:02:58,590 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-23 03:02:58,674 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 03:02:59,025 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] [2022-07-23 03:02:59,026 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] [2022-07-23 03:02:59,027 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] [2022-07-23 03:02:59,027 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] [2022-07-23 03:02:59,032 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:02:59,047 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 03:02:59,504 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] [2022-07-23 03:02:59,504 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] [2022-07-23 03:02:59,505 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] [2022-07-23 03:02:59,506 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[509443,509456] [2022-07-23 03:02:59,509 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 03:02:59,747 INFO L208 MainTranslator]: Completed translation [2022-07-23 03:02:59,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:02:59 WrapperNode [2022-07-23 03:02:59,748 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 03:02:59,749 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 03:02:59,750 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 03:02:59,750 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 03:02:59,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:02:59" (1/1) ... [2022-07-23 03:02:59,977 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:02:59" (1/1) ... [2022-07-23 03:03:00,398 INFO L137 Inliner]: procedures = 383, calls = 6116, calls flagged for inlining = 171, calls inlined = 146, statements flattened = 13554 [2022-07-23 03:03:00,407 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 03:03:00,408 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 03:03:00,408 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 03:03:00,409 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 03:03:00,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:02:59" (1/1) ... [2022-07-23 03:03:00,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:02:59" (1/1) ... [2022-07-23 03:03:00,526 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:02:59" (1/1) ... [2022-07-23 03:03:00,527 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:02:59" (1/1) ... [2022-07-23 03:03:00,698 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:02:59" (1/1) ... [2022-07-23 03:03:00,735 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:02:59" (1/1) ... [2022-07-23 03:03:00,782 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:02:59" (1/1) ... [2022-07-23 03:03:00,839 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 03:03:00,841 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 03:03:00,841 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 03:03:00,841 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 03:03:00,842 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:02:59" (1/1) ... [2022-07-23 03:03:00,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 03:03:00,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 03:03:00,875 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-23 03:03:00,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-23 03:03:00,913 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-23 03:03:00,913 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-23 03:03:00,913 INFO L130 BoogieDeclarations]: Found specification of procedure to_sd [2022-07-23 03:03:00,914 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sd [2022-07-23 03:03:00,914 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_tuner [2022-07-23 03:03:00,914 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_tuner [2022-07-23 03:03:00,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-23 03:03:00,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-23 03:03:00,914 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ctrl [2022-07-23 03:03:00,914 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ctrl [2022-07-23 03:03:00,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-23 03:03:00,915 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_s_parameters [2022-07-23 03:03:00,915 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_s_parameters [2022-07-23 03:03:00,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 03:03:00,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-23 03:03:00,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 03:03:00,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 03:03:00,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 03:03:00,916 INFO L130 BoogieDeclarations]: Found specification of procedure input_change [2022-07-23 03:03:00,916 INFO L138 BoogieDeclarations]: Found implementation of procedure input_change [2022-07-23 03:03:00,916 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_g_parameters [2022-07-23 03:03:00,916 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_g_parameters [2022-07-23 03:03:00,916 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_querymenu [2022-07-23 03:03:00,916 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_querymenu [2022-07-23 03:03:00,917 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-23 03:03:00,917 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-23 03:03:00,917 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_probe [2022-07-23 03:03:00,917 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_probe [2022-07-23 03:03:00,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 03:03:00,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 03:03:00,917 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-23 03:03:00,918 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-23 03:03:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_shutdown [2022-07-23 03:03:00,918 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_shutdown [2022-07-23 03:03:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx2388x [2022-07-23 03:03:00,918 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx2388x [2022-07-23 03:03:00,918 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_tuner [2022-07-23 03:03:00,918 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_tuner [2022-07-23 03:03:00,919 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx2583x [2022-07-23 03:03:00,919 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx2583x [2022-07-23 03:03:00,919 INFO L130 BoogieDeclarations]: Found specification of procedure to_ir_state [2022-07-23 03:03:00,919 INFO L138 BoogieDeclarations]: Found implementation of procedure to_ir_state [2022-07-23 03:03:00,919 INFO L130 BoogieDeclarations]: Found specification of procedure control_tx_enable [2022-07-23 03:03:00,919 INFO L138 BoogieDeclarations]: Found implementation of procedure control_tx_enable [2022-07-23 03:03:00,920 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_width_count_to_ns [2022-07-23 03:03:00,920 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_width_count_to_ns [2022-07-23 03:03:00,920 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-23 03:03:00,920 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-23 03:03:00,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 03:03:00,920 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 03:03:00,920 INFO L130 BoogieDeclarations]: Found specification of procedure carrier_freq_to_clock_divider [2022-07-23 03:03:00,921 INFO L138 BoogieDeclarations]: Found implementation of procedure carrier_freq_to_clock_divider [2022-07-23 03:03:00,921 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_demodulation_enable [2022-07-23 03:03:00,921 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_demodulation_enable [2022-07-23 03:03:00,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-07-23 03:03:00,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-07-23 03:03:00,921 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-23 03:03:00,922 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-23 03:03:00,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 03:03:00,922 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-23 03:03:00,922 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-23 03:03:00,922 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_write [2022-07-23 03:03:00,923 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_write [2022-07-23 03:03:00,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 03:03:00,923 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_mbus_fmt [2022-07-23 03:03:00,923 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_mbus_fmt [2022-07-23 03:03:00,923 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 03:03:00,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 03:03:00,923 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2022-07-23 03:03:00,924 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2022-07-23 03:03:00,924 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2022-07-23 03:03:00,924 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2022-07-23 03:03:00,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 03:03:00,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 03:03:00,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-23 03:03:00,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-23 03:03:00,925 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-23 03:03:00,925 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-23 03:03:00,925 INFO L130 BoogieDeclarations]: Found specification of procedure set_volume [2022-07-23 03:03:00,925 INFO L138 BoogieDeclarations]: Found implementation of procedure set_volume [2022-07-23 03:03:00,925 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_sliced_fmt [2022-07-23 03:03:00,925 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_sliced_fmt [2022-07-23 03:03:00,926 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_initialize [2022-07-23 03:03:00,926 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_initialize [2022-07-23 03:03:00,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-23 03:03:00,926 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ext_ctrls [2022-07-23 03:03:00,926 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ext_ctrls [2022-07-23 03:03:00,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-23 03:03:00,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-23 03:03:00,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 03:03:00,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-23 03:03:00,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 03:03:00,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-23 03:03:00,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-23 03:03:00,927 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-23 03:03:00,927 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-23 03:03:00,927 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-23 03:03:00,928 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-23 03:03:00,928 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2022-07-23 03:03:00,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2022-07-23 03:03:00,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 03:03:00,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 03:03:00,928 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_resolution [2022-07-23 03:03:00,929 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_resolution [2022-07-23 03:03:00,929 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-23 03:03:00,929 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-23 03:03:00,929 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_try_ext_ctrls [2022-07-23 03:03:00,929 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_try_ext_ctrls [2022-07-23 03:03:00,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_rx_params_lock_of_cx25840_ir_state [2022-07-23 03:03:00,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_rx_params_lock_of_cx25840_ir_state [2022-07-23 03:03:00,930 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-23 03:03:00,930 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-23 03:03:00,930 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata___0 [2022-07-23 03:03:00,930 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata___0 [2022-07-23 03:03:00,930 INFO L130 BoogieDeclarations]: Found specification of procedure cx25836_initialize [2022-07-23 03:03:00,930 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25836_initialize [2022-07-23 03:03:00,930 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_write4 [2022-07-23 03:03:00,931 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_write4 [2022-07-23 03:03:00,931 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ext_ctrls [2022-07-23 03:03:00,931 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ext_ctrls [2022-07-23 03:03:00,931 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_frequency [2022-07-23 03:03:00,931 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_frequency [2022-07-23 03:03:00,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 03:03:00,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 03:03:00,932 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_std_setup [2022-07-23 03:03:00,932 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_std_setup [2022-07-23 03:03:00,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-23 03:03:00,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-23 03:03:00,932 INFO L130 BoogieDeclarations]: Found specification of procedure irqenable_tx [2022-07-23 03:03:00,932 INFO L138 BoogieDeclarations]: Found implementation of procedure irqenable_tx [2022-07-23 03:03:00,932 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2022-07-23 03:03:00,932 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2022-07-23 03:03:00,933 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_queryctrl [2022-07-23 03:03:00,933 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_queryctrl [2022-07-23 03:03:00,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 03:03:00,933 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 03:03:00,933 INFO L130 BoogieDeclarations]: Found specification of procedure control_tx_modulation_enable [2022-07-23 03:03:00,933 INFO L138 BoogieDeclarations]: Found implementation of procedure control_tx_modulation_enable [2022-07-23 03:03:00,933 INFO L130 BoogieDeclarations]: Found specification of procedure cx23885_initialize [2022-07-23 03:03:00,934 INFO L138 BoogieDeclarations]: Found implementation of procedure cx23885_initialize [2022-07-23 03:03:00,934 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_raw_fmt [2022-07-23 03:03:00,934 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_raw_fmt [2022-07-23 03:03:00,934 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_freq [2022-07-23 03:03:00,934 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_freq [2022-07-23 03:03:00,934 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_std [2022-07-23 03:03:00,934 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_std [2022-07-23 03:03:00,934 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_and_or [2022-07-23 03:03:00,935 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_and_or [2022-07-23 03:03:00,935 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ctrl [2022-07-23 03:03:00,935 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ctrl [2022-07-23 03:03:00,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-23 03:03:00,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-23 03:03:00,935 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_s_parameters [2022-07-23 03:03:00,935 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_s_parameters [2022-07-23 03:03:00,936 INFO L130 BoogieDeclarations]: Found specification of procedure to_state [2022-07-23 03:03:00,936 INFO L138 BoogieDeclarations]: Found implementation of procedure to_state [2022-07-23 03:03:00,936 INFO L130 BoogieDeclarations]: Found specification of procedure set_audclk_freq [2022-07-23 03:03:00,936 INFO L138 BoogieDeclarations]: Found implementation of procedure set_audclk_freq [2022-07-23 03:03:00,936 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_register [2022-07-23 03:03:00,936 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_register [2022-07-23 03:03:00,936 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_register [2022-07-23 03:03:00,936 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_register [2022-07-23 03:03:00,937 INFO L130 BoogieDeclarations]: Found specification of procedure set_input [2022-07-23 03:03:00,937 INFO L138 BoogieDeclarations]: Found implementation of procedure set_input [2022-07-23 03:03:00,937 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_g_parameters [2022-07-23 03:03:00,937 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_g_parameters [2022-07-23 03:03:00,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-23 03:03:00,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-23 03:03:00,937 INFO L130 BoogieDeclarations]: Found specification of procedure cx23888_std_setup [2022-07-23 03:03:00,938 INFO L138 BoogieDeclarations]: Found implementation of procedure cx23888_std_setup [2022-07-23 03:03:00,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-23 03:03:00,938 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_initialize [2022-07-23 03:03:00,938 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_initialize [2022-07-23 03:03:00,938 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-07-23 03:03:00,938 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-07-23 03:03:00,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-23 03:03:00,938 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-23 03:03:00,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-23 03:03:00,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tx_params_lock_of_cx25840_ir_state [2022-07-23 03:03:00,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tx_params_lock_of_cx25840_ir_state [2022-07-23 03:03:00,939 INFO L130 BoogieDeclarations]: Found specification of procedure irqenable_rx [2022-07-23 03:03:00,939 INFO L138 BoogieDeclarations]: Found implementation of procedure irqenable_rx [2022-07-23 03:03:00,939 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_and_or4 [2022-07-23 03:03:00,939 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_and_or4 [2022-07-23 03:03:00,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_tx_params_lock_of_cx25840_ir_state [2022-07-23 03:03:00,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_tx_params_lock_of_cx25840_ir_state [2022-07-23 03:03:00,940 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_input_status [2022-07-23 03:03:00,940 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_input_status [2022-07-23 03:03:00,940 INFO L130 BoogieDeclarations]: Found specification of procedure lpf_count_to_ns [2022-07-23 03:03:00,940 INFO L138 BoogieDeclarations]: Found implementation of procedure lpf_count_to_ns [2022-07-23 03:03:00,940 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_set_audclk_freq [2022-07-23 03:03:00,940 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_set_audclk_freq [2022-07-23 03:03:00,941 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_read [2022-07-23 03:03:00,941 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_read [2022-07-23 03:03:00,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 03:03:00,941 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_width_count_to_us [2022-07-23 03:03:00,941 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_width_count_to_us [2022-07-23 03:03:00,941 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 03:03:00,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 03:03:00,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 03:03:00,942 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 03:03:00,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 03:03:00,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 03:03:00,942 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-23 03:03:00,942 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_sliced_fmt [2022-07-23 03:03:00,942 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_sliced_fmt [2022-07-23 03:03:00,942 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send [2022-07-23 03:03:00,943 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_send [2022-07-23 03:03:00,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-23 03:03:00,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-23 03:03:00,943 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2022-07-23 03:03:00,943 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2022-07-23 03:03:00,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-23 03:03:00,943 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_decode_vbi_line [2022-07-23 03:03:00,943 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_decode_vbi_line [2022-07-23 03:03:00,944 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_adapter_id [2022-07-23 03:03:00,944 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_adapter_id [2022-07-23 03:03:00,944 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_carrier_freq [2022-07-23 03:03:00,944 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_carrier_freq [2022-07-23 03:03:00,944 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_clocks_to_clock_divider [2022-07-23 03:03:00,944 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_clocks_to_clock_divider [2022-07-23 03:03:00,944 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx231xx [2022-07-23 03:03:00,945 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx231xx [2022-07-23 03:03:00,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 03:03:00,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 03:03:00,945 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_s_edge_detection [2022-07-23 03:03:00,945 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_s_edge_detection [2022-07-23 03:03:00,945 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2022-07-23 03:03:00,945 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2022-07-23 03:03:00,945 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_probe [2022-07-23 03:03:00,945 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_probe [2022-07-23 03:03:00,946 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-23 03:03:00,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-23 03:03:00,946 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-07-23 03:03:00,946 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-07-23 03:03:00,946 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_read4 [2022-07-23 03:03:00,946 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_read4 [2022-07-23 03:03:00,946 INFO L130 BoogieDeclarations]: Found specification of procedure odd_parity [2022-07-23 03:03:00,947 INFO L138 BoogieDeclarations]: Found implementation of procedure odd_parity [2022-07-23 03:03:00,947 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_enable [2022-07-23 03:03:00,947 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_enable [2022-07-23 03:03:00,947 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-23 03:03:00,947 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-23 03:03:00,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_rx_params_lock_of_cx25840_ir_state [2022-07-23 03:03:00,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_rx_params_lock_of_cx25840_ir_state [2022-07-23 03:03:00,948 INFO L130 BoogieDeclarations]: Found specification of procedure filter_rx_s_min_width [2022-07-23 03:03:00,948 INFO L138 BoogieDeclarations]: Found implementation of procedure filter_rx_s_min_width [2022-07-23 03:03:00,948 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-23 03:03:00,948 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_shutdown [2022-07-23 03:03:00,948 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_shutdown [2022-07-23 03:03:00,948 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-23 03:03:00,948 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-23 03:03:00,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 03:03:00,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 03:03:00,949 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~TO~VOID [2022-07-23 03:03:00,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~TO~VOID [2022-07-23 03:03:00,949 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-23 03:03:00,949 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-23 03:03:00,949 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23885 [2022-07-23 03:03:00,949 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23885 [2022-07-23 03:03:00,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 03:03:00,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 03:03:00,950 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_pulse_clocks [2022-07-23 03:03:00,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_pulse_clocks [2022-07-23 03:03:00,950 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23888 [2022-07-23 03:03:00,951 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23888 [2022-07-23 03:03:00,951 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23887 [2022-07-23 03:03:00,951 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23887 [2022-07-23 03:03:02,359 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 03:03:02,364 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 03:03:06,006 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 03:06:11,875 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 03:06:11,919 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 03:06:11,919 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-23 03:06:11,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:06:11 BoogieIcfgContainer [2022-07-23 03:06:11,932 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 03:06:11,934 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 03:06:11,934 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 03:06:11,937 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 03:06:11,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 03:02:55" (1/3) ... [2022-07-23 03:06:11,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a741bdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:06:11, skipping insertion in model container [2022-07-23 03:06:11,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:02:59" (2/3) ... [2022-07-23 03:06:11,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a741bdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 03:06:11, skipping insertion in model container [2022-07-23 03:06:11,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:06:11" (3/3) ... [2022-07-23 03:06:11,941 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i [2022-07-23 03:06:11,961 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 03:06:11,961 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-23 03:06:12,184 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 03:06:12,190 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@6189165e, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@f21638a [2022-07-23 03:06:12,191 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-23 03:06:12,218 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) [2022-07-23 03:06:12,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-07-23 03:06:12,226 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:06:12,227 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:06:12,228 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)] === [2022-07-23 03:06:12,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:06:12,232 INFO L85 PathProgramCache]: Analyzing trace with hash -2107106722, now seen corresponding path program 1 times [2022-07-23 03:06:12,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:06:12,248 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [987705009] [2022-07-23 03:06:12,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:06:12,249 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:06:12,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:06:12,253 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 03:06:12,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-23 03:06:13,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:06:13,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 1762 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 03:06:13,942 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:06:16,080 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-23 03:06:16,080 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 03:06:16,081 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:06:16,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [987705009] [2022-07-23 03:06:16,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [987705009] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 03:06:16,081 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 03:06:16,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 03:06:16,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897525954] [2022-07-23 03:06:16,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:06:16,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:06:16,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:06:16,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:06:16,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 03:06:16,133 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) [2022-07-23 03:06:17,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:06:17,710 INFO L93 Difference]: Finished difference Result 16874 states and 25149 transitions. [2022-07-23 03:06:17,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 03:06:17,713 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 [2022-07-23 03:06:17,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:06:17,835 INFO L225 Difference]: With dead ends: 16874 [2022-07-23 03:06:17,836 INFO L226 Difference]: Without dead ends: 8441 [2022-07-23 03:06:17,927 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 [2022-07-23 03:06:17,931 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 [2022-07-23 03:06:17,932 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] [2022-07-23 03:06:17,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8441 states. [2022-07-23 03:06:21,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8441 to 8441. [2022-07-23 03:06:21,068 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) [2022-07-23 03:06:21,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8441 states to 8441 states and 12546 transitions. [2022-07-23 03:06:21,183 INFO L78 Accepts]: Start accepts. Automaton has 8441 states and 12546 transitions. Word has length 48 [2022-07-23 03:06:21,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:06:21,184 INFO L495 AbstractCegarLoop]: Abstraction has 8441 states and 12546 transitions. [2022-07-23 03:06:21,185 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) [2022-07-23 03:06:21,185 INFO L276 IsEmpty]: Start isEmpty. Operand 8441 states and 12546 transitions. [2022-07-23 03:06:21,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-07-23 03:06:21,189 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:06:21,189 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:06:21,233 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-23 03:06:21,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:06:21,416 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)] === [2022-07-23 03:06:21,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:06:21,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1256060321, now seen corresponding path program 1 times [2022-07-23 03:06:21,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:06:21,418 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [989033296] [2022-07-23 03:06:21,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:06:21,418 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:06:21,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:06:21,420 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 03:06:21,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-23 03:06:22,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:06:22,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 1769 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 03:06:22,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:06:25,178 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-23 03:06:25,179 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 03:06:26,392 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-23 03:06:26,393 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:06:26,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [989033296] [2022-07-23 03:06:26,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [989033296] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-23 03:06:26,393 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 03:06:26,393 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-07-23 03:06:26,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588190344] [2022-07-23 03:06:26,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:06:26,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:06:26,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:06:26,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:06:26,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 03:06:26,396 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) [2022-07-23 03:06:27,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:06:27,877 INFO L93 Difference]: Finished difference Result 8447 states and 12551 transitions. [2022-07-23 03:06:27,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 03:06:27,877 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 53 [2022-07-23 03:06:27,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:06:27,960 INFO L225 Difference]: With dead ends: 8447 [2022-07-23 03:06:27,960 INFO L226 Difference]: Without dead ends: 8445 [2022-07-23 03:06:27,976 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-23 03:06:27,977 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, 0.4s IncrementalHoareTripleChecker+Time [2022-07-23 03:06:27,978 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12525 Valid, 37616 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-23 03:06:27,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8445 states. [2022-07-23 03:06:30,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8445 to 8445. [2022-07-23 03:06:30,901 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) [2022-07-23 03:06:30,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8445 states to 8445 states and 12549 transitions. [2022-07-23 03:06:30,980 INFO L78 Accepts]: Start accepts. Automaton has 8445 states and 12549 transitions. Word has length 53 [2022-07-23 03:06:30,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:06:30,981 INFO L495 AbstractCegarLoop]: Abstraction has 8445 states and 12549 transitions. [2022-07-23 03:06:30,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-23 03:06:30,982 INFO L276 IsEmpty]: Start isEmpty. Operand 8445 states and 12549 transitions. [2022-07-23 03:06:30,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-07-23 03:06:30,990 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:06:30,990 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:06:31,037 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-23 03:06:31,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:06:31,204 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)] === [2022-07-23 03:06:31,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:06:31,204 INFO L85 PathProgramCache]: Analyzing trace with hash -621802818, now seen corresponding path program 1 times [2022-07-23 03:06:31,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:06:31,207 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1639670483] [2022-07-23 03:06:31,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:06:31,207 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:06:31,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:06:31,210 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 03:06:31,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-23 03:06:32,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:06:32,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 1776 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 03:06:32,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:06:34,994 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-07-23 03:06:34,994 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 03:06:36,230 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-07-23 03:06:36,231 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:06:36,231 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1639670483] [2022-07-23 03:06:36,231 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1639670483] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-23 03:06:36,231 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 03:06:36,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-07-23 03:06:36,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122608967] [2022-07-23 03:06:36,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:06:36,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:06:36,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:06:36,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:06:36,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 03:06:36,233 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) [2022-07-23 03:06:37,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:06:37,539 INFO L93 Difference]: Finished difference Result 8451 states and 12554 transitions. [2022-07-23 03:06:37,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 03:06:37,540 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 58 [2022-07-23 03:06:37,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:06:37,625 INFO L225 Difference]: With dead ends: 8451 [2022-07-23 03:06:37,625 INFO L226 Difference]: Without dead ends: 8449 [2022-07-23 03:06:37,639 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 [2022-07-23 03:06:37,642 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 [2022-07-23 03:06:37,643 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] [2022-07-23 03:06:37,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8449 states. [2022-07-23 03:06:40,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8449 to 8449. [2022-07-23 03:06:40,375 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) [2022-07-23 03:06:40,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8449 states to 8449 states and 12552 transitions. [2022-07-23 03:06:40,429 INFO L78 Accepts]: Start accepts. Automaton has 8449 states and 12552 transitions. Word has length 58 [2022-07-23 03:06:40,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:06:40,429 INFO L495 AbstractCegarLoop]: Abstraction has 8449 states and 12552 transitions. [2022-07-23 03:06:40,429 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-23 03:06:40,430 INFO L276 IsEmpty]: Start isEmpty. Operand 8449 states and 12552 transitions. [2022-07-23 03:06:40,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-07-23 03:06:40,431 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:06:40,431 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 03:06:40,468 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-23 03:06:40,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:06:40,648 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)] === [2022-07-23 03:06:40,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:06:40,648 INFO L85 PathProgramCache]: Analyzing trace with hash -937720449, now seen corresponding path program 1 times [2022-07-23 03:06:40,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:06:40,650 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [191259166] [2022-07-23 03:06:40,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:06:40,650 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:06:40,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:06:40,656 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 03:06:40,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-23 03:06:42,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 03:06:42,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 1783 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 03:06:42,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 03:06:44,852 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 03:06:44,852 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 03:06:46,086 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-23 03:06:46,086 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 03:06:46,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [191259166] [2022-07-23 03:06:46,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [191259166] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-23 03:06:46,086 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 03:06:46,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-07-23 03:06:46,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907439305] [2022-07-23 03:06:46,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 03:06:46,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 03:06:46,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 03:06:46,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 03:06:46,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 03:06:46,088 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) [2022-07-23 03:06:47,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 03:06:47,398 INFO L93 Difference]: Finished difference Result 8455 states and 12557 transitions. [2022-07-23 03:06:47,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 03:06:47,399 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 63 [2022-07-23 03:06:47,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 03:06:47,475 INFO L225 Difference]: With dead ends: 8455 [2022-07-23 03:06:47,475 INFO L226 Difference]: Without dead ends: 8453 [2022-07-23 03:06:47,491 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 [2022-07-23 03:06:47,494 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 [2022-07-23 03:06:47,495 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] [2022-07-23 03:06:47,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8453 states. [2022-07-23 03:06:50,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8453 to 8453. [2022-07-23 03:06:50,246 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) [2022-07-23 03:06:50,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8453 states to 8453 states and 12555 transitions. [2022-07-23 03:06:50,292 INFO L78 Accepts]: Start accepts. Automaton has 8453 states and 12555 transitions. Word has length 63 [2022-07-23 03:06:50,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 03:06:50,293 INFO L495 AbstractCegarLoop]: Abstraction has 8453 states and 12555 transitions. [2022-07-23 03:06:50,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-23 03:06:50,294 INFO L276 IsEmpty]: Start isEmpty. Operand 8453 states and 12555 transitions. [2022-07-23 03:06:50,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-07-23 03:06:50,299 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 03:06:50,300 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] [2022-07-23 03:06:50,337 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-23 03:06:50,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 03:06:50,521 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)] === [2022-07-23 03:06:50,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 03:06:50,521 INFO L85 PathProgramCache]: Analyzing trace with hash 1267147100, now seen corresponding path program 1 times [2022-07-23 03:06:50,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 03:06:50,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1222527386] [2022-07-23 03:06:50,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 03:06:50,523 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 03:06:50,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 03:06:50,524 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 03:06:50,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process