./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 6c24879c 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-?-6c24879 [2022-07-12 15:45:07,140 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 15:45:07,141 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 15:45:07,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 15:45:07,168 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 15:45:07,169 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 15:45:07,172 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 15:45:07,174 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 15:45:07,176 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 15:45:07,179 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 15:45:07,180 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 15:45:07,181 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 15:45:07,181 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 15:45:07,183 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 15:45:07,186 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 15:45:07,186 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 15:45:07,187 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 15:45:07,188 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 15:45:07,191 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 15:45:07,196 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 15:45:07,198 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 15:45:07,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 15:45:07,200 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 15:45:07,200 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 15:45:07,202 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 15:45:07,207 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 15:45:07,207 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 15:45:07,208 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 15:45:07,209 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 15:45:07,209 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 15:45:07,210 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 15:45:07,210 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 15:45:07,211 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 15:45:07,212 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 15:45:07,212 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 15:45:07,213 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 15:45:07,213 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 15:45:07,213 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 15:45:07,213 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 15:45:07,213 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 15:45:07,214 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 15:45:07,215 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 15:45:07,216 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 15:45:07,235 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 15:45:07,235 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 15:45:07,235 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 15:45:07,235 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 15:45:07,236 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 15:45:07,236 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 15:45:07,237 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 15:45:07,237 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 15:45:07,237 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 15:45:07,237 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 15:45:07,237 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 15:45:07,237 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 15:45:07,238 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 15:45:07,238 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 15:45:07,238 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 15:45:07,238 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 15:45:07,238 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 15:45:07,238 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 15:45:07,238 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 15:45:07,239 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 15:45:07,239 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 15:45:07,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 15:45:07,239 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 15:45:07,239 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 15:45:07,239 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 15:45:07,239 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 15:45:07,240 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 15:45:07,240 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 15:45:07,240 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 15:45:07,240 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 15:45:07,240 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a4efb80f78cf6db9ac1c2540f0e3afbb357842376bf73c44e7e4fa9311ea9dc [2022-07-12 15:45:07,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 15:45:07,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 15:45:07,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 15:45:07,467 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 15:45:07,468 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 15:45:07,469 INFO L432 ainManager$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 [2022-07-12 15:45:07,523 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/468f2ff3d/d55f35e95600453ea69146e3883b3fc9/FLAG86379a754 [2022-07-12 15:45:08,249 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 15:45:08,250 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 [2022-07-12 15:45:08,301 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/468f2ff3d/d55f35e95600453ea69146e3883b3fc9/FLAG86379a754 [2022-07-12 15:45:08,542 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/468f2ff3d/d55f35e95600453ea69146e3883b3fc9 [2022-07-12 15:45:08,545 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 15:45:08,547 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 15:45:08,548 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 15:45:08,548 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 15:45:08,552 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 15:45:08,553 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:45:08" (1/1) ... [2022-07-12 15:45:08,554 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7459111c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:45:08, skipping insertion in model container [2022-07-12 15:45:08,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:45:08" (1/1) ... [2022-07-12 15:45:08,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 15:45:08,689 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 15:45:12,077 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] [2022-07-12 15:45:12,080 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] [2022-07-12 15:45:12,081 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] [2022-07-12 15:45:12,081 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] [2022-07-12 15:45:12,111 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:45:12,145 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 15:45:12,603 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) [2022-07-12 15:45:12,618 INFO L158 Benchmark]: Toolchain (without parser) took 4071.14ms. Allocated memory was 98.6MB in the beginning and 222.3MB in the end (delta: 123.7MB). Free memory was 58.5MB in the beginning and 115.4MB in the end (delta: -56.8MB). Peak memory consumption was 97.9MB. Max. memory is 16.1GB. [2022-07-12 15:45:12,619 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 98.6MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 15:45:12,619 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4069.43ms. Allocated memory was 98.6MB in the beginning and 222.3MB in the end (delta: 123.7MB). Free memory was 58.2MB in the beginning and 115.4MB in the end (delta: -57.2MB). Peak memory consumption was 97.9MB. Max. memory is 16.1GB. [2022-07-12 15:45:12,620 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 98.6MB. Free memory is still 74.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4069.43ms. Allocated memory was 98.6MB in the beginning and 222.3MB in the end (delta: 123.7MB). Free memory was 58.2MB in the beginning and 115.4MB in the end (delta: -57.2MB). Peak memory consumption was 97.9MB. 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-?-6c24879 [2022-07-12 15:45:14,354 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 15:45:14,357 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 15:45:14,389 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 15:45:14,391 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 15:45:14,392 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 15:45:14,397 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 15:45:14,399 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 15:45:14,401 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 15:45:14,405 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 15:45:14,406 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 15:45:14,408 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 15:45:14,408 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 15:45:14,409 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 15:45:14,411 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 15:45:14,412 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 15:45:14,413 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 15:45:14,414 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 15:45:14,417 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 15:45:14,419 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 15:45:14,421 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 15:45:14,424 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 15:45:14,425 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 15:45:14,426 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 15:45:14,427 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 15:45:14,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 15:45:14,434 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 15:45:14,434 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 15:45:14,435 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 15:45:14,436 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 15:45:14,436 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 15:45:14,437 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 15:45:14,437 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 15:45:14,438 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 15:45:14,440 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 15:45:14,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 15:45:14,440 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 15:45:14,441 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 15:45:14,441 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 15:45:14,441 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 15:45:14,442 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 15:45:14,443 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 15:45:14,447 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 15:45:14,462 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 15:45:14,463 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 15:45:14,464 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 15:45:14,464 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 15:45:14,465 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 15:45:14,465 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 15:45:14,465 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 15:45:14,465 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 15:45:14,466 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 15:45:14,466 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 15:45:14,467 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 15:45:14,467 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 15:45:14,467 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 15:45:14,467 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 15:45:14,467 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 15:45:14,468 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 15:45:14,468 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 15:45:14,468 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 15:45:14,468 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 15:45:14,468 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 15:45:14,468 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 15:45:14,469 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 15:45:14,469 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 15:45:14,469 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 15:45:14,469 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 15:45:14,469 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 15:45:14,470 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 15:45:14,470 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 15:45:14,470 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 15:45:14,470 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 15:45:14,470 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 15:45:14,471 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 15:45:14,471 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 15:45:14,471 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a4efb80f78cf6db9ac1c2540f0e3afbb357842376bf73c44e7e4fa9311ea9dc [2022-07-12 15:45:14,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 15:45:14,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 15:45:14,777 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 15:45:14,778 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 15:45:14,778 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 15:45:14,780 INFO L432 ainManager$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 [2022-07-12 15:45:14,823 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/935967a18/326c6b876441439da6091b9ae5b337ae/FLAGf01223e6e [2022-07-12 15:45:15,638 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 15:45:15,639 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 [2022-07-12 15:45:15,687 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/935967a18/326c6b876441439da6091b9ae5b337ae/FLAGf01223e6e [2022-07-12 15:45:15,875 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/935967a18/326c6b876441439da6091b9ae5b337ae [2022-07-12 15:45:15,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 15:45:15,879 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 15:45:15,880 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 15:45:15,880 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 15:45:15,883 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 15:45:15,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:45:15" (1/1) ... [2022-07-12 15:45:15,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ed60803 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:45:15, skipping insertion in model container [2022-07-12 15:45:15,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:45:15" (1/1) ... [2022-07-12 15:45:15,889 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 15:45:16,043 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 15:45:18,975 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] [2022-07-12 15:45:18,981 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] [2022-07-12 15:45:18,982 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] [2022-07-12 15:45:18,982 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] [2022-07-12 15:45:19,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:45:19,032 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 15:45:19,091 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 15:45:19,427 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i[508948,508961] [2022-07-12 15:45:19,428 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] [2022-07-12 15:45:19,428 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] [2022-07-12 15:45:19,429 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] [2022-07-12 15:45:19,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:45:19,447 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 15:45:19,950 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] [2022-07-12 15:45:19,950 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] [2022-07-12 15:45:19,951 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] [2022-07-12 15:45:19,951 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] [2022-07-12 15:45:19,954 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:45:20,091 INFO L208 MainTranslator]: Completed translation [2022-07-12 15:45:20,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:45:20 WrapperNode [2022-07-12 15:45:20,092 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 15:45:20,093 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 15:45:20,094 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 15:45:20,094 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 15:45:20,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:45:20" (1/1) ... [2022-07-12 15:45:20,198 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:45:20" (1/1) ... [2022-07-12 15:45:20,470 INFO L137 Inliner]: procedures = 383, calls = 6116, calls flagged for inlining = 171, calls inlined = 146, statements flattened = 13554 [2022-07-12 15:45:20,472 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 15:45:20,472 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 15:45:20,472 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 15:45:20,473 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 15:45:20,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:45:20" (1/1) ... [2022-07-12 15:45:20,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:45:20" (1/1) ... [2022-07-12 15:45:20,536 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:45:20" (1/1) ... [2022-07-12 15:45:20,537 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:45:20" (1/1) ... [2022-07-12 15:45:20,676 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:45:20" (1/1) ... [2022-07-12 15:45:20,706 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:45:20" (1/1) ... [2022-07-12 15:45:20,752 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:45:20" (1/1) ... [2022-07-12 15:45:20,821 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 15:45:20,823 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 15:45:20,823 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 15:45:20,823 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 15:45:20,824 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:45:20" (1/1) ... [2022-07-12 15:45:20,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 15:45:20,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 15:45:20,853 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) [2022-07-12 15:45:20,870 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 [2022-07-12 15:45:20,896 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-12 15:45:20,896 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-12 15:45:20,896 INFO L130 BoogieDeclarations]: Found specification of procedure to_sd [2022-07-12 15:45:20,896 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sd [2022-07-12 15:45:20,897 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_tuner [2022-07-12 15:45:20,897 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_tuner [2022-07-12 15:45:20,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 15:45:20,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-12 15:45:20,897 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ctrl [2022-07-12 15:45:20,897 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ctrl [2022-07-12 15:45:20,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 15:45:20,897 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_s_parameters [2022-07-12 15:45:20,897 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_s_parameters [2022-07-12 15:45:20,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 15:45:20,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 15:45:20,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 15:45:20,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 15:45:20,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 15:45:20,898 INFO L130 BoogieDeclarations]: Found specification of procedure input_change [2022-07-12 15:45:20,898 INFO L138 BoogieDeclarations]: Found implementation of procedure input_change [2022-07-12 15:45:20,899 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_g_parameters [2022-07-12 15:45:20,899 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_g_parameters [2022-07-12 15:45:20,899 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_querymenu [2022-07-12 15:45:20,899 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_querymenu [2022-07-12 15:45:20,900 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-12 15:45:20,900 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-12 15:45:20,900 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_probe [2022-07-12 15:45:20,900 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_probe [2022-07-12 15:45:20,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 15:45:20,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 15:45:20,900 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-12 15:45:20,900 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-12 15:45:20,901 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_shutdown [2022-07-12 15:45:20,901 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_shutdown [2022-07-12 15:45:20,901 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx2388x [2022-07-12 15:45:20,901 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx2388x [2022-07-12 15:45:20,901 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_tuner [2022-07-12 15:45:20,902 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_tuner [2022-07-12 15:45:20,902 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx2583x [2022-07-12 15:45:20,902 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx2583x [2022-07-12 15:45:20,902 INFO L130 BoogieDeclarations]: Found specification of procedure to_ir_state [2022-07-12 15:45:20,903 INFO L138 BoogieDeclarations]: Found implementation of procedure to_ir_state [2022-07-12 15:45:20,903 INFO L130 BoogieDeclarations]: Found specification of procedure control_tx_enable [2022-07-12 15:45:20,903 INFO L138 BoogieDeclarations]: Found implementation of procedure control_tx_enable [2022-07-12 15:45:20,904 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_width_count_to_ns [2022-07-12 15:45:20,904 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_width_count_to_ns [2022-07-12 15:45:20,904 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-12 15:45:20,904 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-12 15:45:20,904 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 15:45:20,904 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 15:45:20,904 INFO L130 BoogieDeclarations]: Found specification of procedure carrier_freq_to_clock_divider [2022-07-12 15:45:20,904 INFO L138 BoogieDeclarations]: Found implementation of procedure carrier_freq_to_clock_divider [2022-07-12 15:45:20,905 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_demodulation_enable [2022-07-12 15:45:20,905 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_demodulation_enable [2022-07-12 15:45:20,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-07-12 15:45:20,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-07-12 15:45:20,905 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 15:45:20,905 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 15:45:20,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 15:45:20,906 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-12 15:45:20,906 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-12 15:45:20,906 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_write [2022-07-12 15:45:20,906 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_write [2022-07-12 15:45:20,907 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 15:45:20,907 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_mbus_fmt [2022-07-12 15:45:20,907 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_mbus_fmt [2022-07-12 15:45:20,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 15:45:20,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 15:45:20,907 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2022-07-12 15:45:20,907 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2022-07-12 15:45:20,907 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2022-07-12 15:45:20,908 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2022-07-12 15:45:20,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 15:45:20,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 15:45:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-12 15:45:20,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-12 15:45:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-12 15:45:20,909 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-12 15:45:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure set_volume [2022-07-12 15:45:20,910 INFO L138 BoogieDeclarations]: Found implementation of procedure set_volume [2022-07-12 15:45:20,910 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_sliced_fmt [2022-07-12 15:45:20,910 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_sliced_fmt [2022-07-12 15:45:20,910 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_initialize [2022-07-12 15:45:20,910 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_initialize [2022-07-12 15:45:20,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-12 15:45:20,911 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ext_ctrls [2022-07-12 15:45:20,911 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ext_ctrls [2022-07-12 15:45:20,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 15:45:20,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 15:45:20,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 15:45:20,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 15:45:20,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 15:45:20,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 15:45:20,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 15:45:20,912 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-12 15:45:20,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-12 15:45:20,912 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-12 15:45:20,913 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-12 15:45:20,913 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2022-07-12 15:45:20,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2022-07-12 15:45:20,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 15:45:20,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 15:45:20,914 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_resolution [2022-07-12 15:45:20,916 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_resolution [2022-07-12 15:45:20,917 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-12 15:45:20,917 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-12 15:45:20,917 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_try_ext_ctrls [2022-07-12 15:45:20,918 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_try_ext_ctrls [2022-07-12 15:45:20,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_rx_params_lock_of_cx25840_ir_state [2022-07-12 15:45:20,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_rx_params_lock_of_cx25840_ir_state [2022-07-12 15:45:20,918 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-12 15:45:20,919 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-12 15:45:20,924 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata___0 [2022-07-12 15:45:20,924 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata___0 [2022-07-12 15:45:20,924 INFO L130 BoogieDeclarations]: Found specification of procedure cx25836_initialize [2022-07-12 15:45:20,924 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25836_initialize [2022-07-12 15:45:20,924 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_write4 [2022-07-12 15:45:20,925 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_write4 [2022-07-12 15:45:20,925 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ext_ctrls [2022-07-12 15:45:20,925 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ext_ctrls [2022-07-12 15:45:20,925 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_frequency [2022-07-12 15:45:20,925 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_frequency [2022-07-12 15:45:20,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 15:45:20,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 15:45:20,925 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_std_setup [2022-07-12 15:45:20,925 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_std_setup [2022-07-12 15:45:20,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-12 15:45:20,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-12 15:45:20,926 INFO L130 BoogieDeclarations]: Found specification of procedure irqenable_tx [2022-07-12 15:45:20,926 INFO L138 BoogieDeclarations]: Found implementation of procedure irqenable_tx [2022-07-12 15:45:20,926 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2022-07-12 15:45:20,926 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2022-07-12 15:45:20,926 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_queryctrl [2022-07-12 15:45:20,926 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_queryctrl [2022-07-12 15:45:20,926 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 15:45:20,927 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 15:45:20,927 INFO L130 BoogieDeclarations]: Found specification of procedure control_tx_modulation_enable [2022-07-12 15:45:20,927 INFO L138 BoogieDeclarations]: Found implementation of procedure control_tx_modulation_enable [2022-07-12 15:45:20,927 INFO L130 BoogieDeclarations]: Found specification of procedure cx23885_initialize [2022-07-12 15:45:20,927 INFO L138 BoogieDeclarations]: Found implementation of procedure cx23885_initialize [2022-07-12 15:45:20,927 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_raw_fmt [2022-07-12 15:45:20,927 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_raw_fmt [2022-07-12 15:45:20,927 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_freq [2022-07-12 15:45:20,927 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_freq [2022-07-12 15:45:20,927 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_std [2022-07-12 15:45:20,928 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_std [2022-07-12 15:45:20,928 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_and_or [2022-07-12 15:45:20,928 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_and_or [2022-07-12 15:45:20,928 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ctrl [2022-07-12 15:45:20,928 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ctrl [2022-07-12 15:45:20,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-12 15:45:20,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-12 15:45:20,928 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_s_parameters [2022-07-12 15:45:20,928 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_s_parameters [2022-07-12 15:45:20,929 INFO L130 BoogieDeclarations]: Found specification of procedure to_state [2022-07-12 15:45:20,929 INFO L138 BoogieDeclarations]: Found implementation of procedure to_state [2022-07-12 15:45:20,929 INFO L130 BoogieDeclarations]: Found specification of procedure set_audclk_freq [2022-07-12 15:45:20,929 INFO L138 BoogieDeclarations]: Found implementation of procedure set_audclk_freq [2022-07-12 15:45:20,929 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_register [2022-07-12 15:45:20,929 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_register [2022-07-12 15:45:20,929 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_register [2022-07-12 15:45:20,929 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_register [2022-07-12 15:45:20,929 INFO L130 BoogieDeclarations]: Found specification of procedure set_input [2022-07-12 15:45:20,929 INFO L138 BoogieDeclarations]: Found implementation of procedure set_input [2022-07-12 15:45:20,930 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_g_parameters [2022-07-12 15:45:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_g_parameters [2022-07-12 15:45:20,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 15:45:20,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-12 15:45:20,930 INFO L130 BoogieDeclarations]: Found specification of procedure cx23888_std_setup [2022-07-12 15:45:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure cx23888_std_setup [2022-07-12 15:45:20,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 15:45:20,930 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_initialize [2022-07-12 15:45:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_initialize [2022-07-12 15:45:20,931 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-07-12 15:45:20,931 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-07-12 15:45:20,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-12 15:45:20,931 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-12 15:45:20,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-12 15:45:20,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_tx_params_lock_of_cx25840_ir_state [2022-07-12 15:45:20,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_tx_params_lock_of_cx25840_ir_state [2022-07-12 15:45:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure irqenable_rx [2022-07-12 15:45:20,932 INFO L138 BoogieDeclarations]: Found implementation of procedure irqenable_rx [2022-07-12 15:45:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_and_or4 [2022-07-12 15:45:20,932 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_and_or4 [2022-07-12 15:45:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_tx_params_lock_of_cx25840_ir_state [2022-07-12 15:45:20,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_tx_params_lock_of_cx25840_ir_state [2022-07-12 15:45:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_input_status [2022-07-12 15:45:20,932 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_input_status [2022-07-12 15:45:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure lpf_count_to_ns [2022-07-12 15:45:20,933 INFO L138 BoogieDeclarations]: Found implementation of procedure lpf_count_to_ns [2022-07-12 15:45:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_set_audclk_freq [2022-07-12 15:45:20,933 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_set_audclk_freq [2022-07-12 15:45:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_read [2022-07-12 15:45:20,933 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_read [2022-07-12 15:45:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 15:45:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_width_count_to_us [2022-07-12 15:45:20,933 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_width_count_to_us [2022-07-12 15:45:20,934 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 15:45:20,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 15:45:20,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 15:45:20,934 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 15:45:20,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 15:45:20,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 15:45:20,934 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-12 15:45:20,934 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_sliced_fmt [2022-07-12 15:45:20,934 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_sliced_fmt [2022-07-12 15:45:20,934 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send [2022-07-12 15:45:20,935 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_send [2022-07-12 15:45:20,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-12 15:45:20,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-12 15:45:20,935 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2022-07-12 15:45:20,935 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2022-07-12 15:45:20,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-12 15:45:20,935 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_decode_vbi_line [2022-07-12 15:45:20,935 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_decode_vbi_line [2022-07-12 15:45:20,935 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_adapter_id [2022-07-12 15:45:20,935 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_adapter_id [2022-07-12 15:45:20,936 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_carrier_freq [2022-07-12 15:45:20,936 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_carrier_freq [2022-07-12 15:45:20,936 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_clocks_to_clock_divider [2022-07-12 15:45:20,936 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_clocks_to_clock_divider [2022-07-12 15:45:20,936 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx231xx [2022-07-12 15:45:20,936 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx231xx [2022-07-12 15:45:20,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 15:45:20,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 15:45:20,936 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_s_edge_detection [2022-07-12 15:45:20,937 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_s_edge_detection [2022-07-12 15:45:20,937 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2022-07-12 15:45:20,937 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2022-07-12 15:45:20,938 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_probe [2022-07-12 15:45:20,940 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_probe [2022-07-12 15:45:20,940 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-12 15:45:20,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-12 15:45:20,940 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-07-12 15:45:20,941 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-07-12 15:45:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_read4 [2022-07-12 15:45:20,941 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_read4 [2022-07-12 15:45:20,941 INFO L130 BoogieDeclarations]: Found specification of procedure odd_parity [2022-07-12 15:45:20,941 INFO L138 BoogieDeclarations]: Found implementation of procedure odd_parity [2022-07-12 15:45:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_enable [2022-07-12 15:45:20,942 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_enable [2022-07-12 15:45:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-12 15:45:20,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-12 15:45:20,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_rx_params_lock_of_cx25840_ir_state [2022-07-12 15:45:20,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_rx_params_lock_of_cx25840_ir_state [2022-07-12 15:45:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure filter_rx_s_min_width [2022-07-12 15:45:20,943 INFO L138 BoogieDeclarations]: Found implementation of procedure filter_rx_s_min_width [2022-07-12 15:45:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-12 15:45:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_shutdown [2022-07-12 15:45:20,943 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_shutdown [2022-07-12 15:45:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-12 15:45:20,943 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-12 15:45:20,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-12 15:45:20,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-12 15:45:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~TO~VOID [2022-07-12 15:45:20,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~TO~VOID [2022-07-12 15:45:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-12 15:45:20,944 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-12 15:45:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23885 [2022-07-12 15:45:20,944 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23885 [2022-07-12 15:45:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 15:45:20,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 15:45:20,944 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_pulse_clocks [2022-07-12 15:45:20,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_pulse_clocks [2022-07-12 15:45:20,945 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23888 [2022-07-12 15:45:20,945 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23888 [2022-07-12 15:45:20,945 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23887 [2022-07-12 15:45:20,945 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23887 [2022-07-12 15:45:22,075 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 15:45:22,078 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 15:45:26,028 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 15:48:15,079 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 15:48:15,115 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 15:48:15,115 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-12 15:48:15,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:48:15 BoogieIcfgContainer [2022-07-12 15:48:15,124 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 15:48:15,128 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 15:48:15,128 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 15:48:15,130 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 15:48:15,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 03:45:15" (1/3) ... [2022-07-12 15:48:15,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21f76737 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:48:15, skipping insertion in model container [2022-07-12 15:48:15,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:45:20" (2/3) ... [2022-07-12 15:48:15,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21f76737 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:48:15, skipping insertion in model container [2022-07-12 15:48:15,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:48:15" (3/3) ... [2022-07-12 15:48:15,133 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-mutex_drivers-media-i2c-cx25840-cx25840.cil.i [2022-07-12 15:48:15,145 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 15:48:15,146 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-12 15:48:15,295 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 15:48:15,303 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@18a722e5, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@695f4791 [2022-07-12 15:48:15,303 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-12 15:48:15,326 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) [2022-07-12 15:48:15,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-07-12 15:48:15,333 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:48:15,333 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] [2022-07-12 15:48:15,334 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)] === [2022-07-12 15:48:15,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:48:15,337 INFO L85 PathProgramCache]: Analyzing trace with hash -2107106722, now seen corresponding path program 1 times [2022-07-12 15:48:15,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:48:15,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1045733358] [2022-07-12 15:48:15,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:48:15,350 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:48:15,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:48:15,353 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) [2022-07-12 15:48:15,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 15:48:16,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:48:16,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 1762 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 15:48:16,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:48:18,618 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-12 15:48:18,618 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:48:18,619 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:48:18,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1045733358] [2022-07-12 15:48:18,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1045733358] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:48:18,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:48:18,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 15:48:18,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375745438] [2022-07-12 15:48:18,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:48:18,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 15:48:18,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:48:18,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 15:48:18,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 15:48:18,673 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) [2022-07-12 15:48:20,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:48:20,107 INFO L93 Difference]: Finished difference Result 16874 states and 25149 transitions. [2022-07-12 15:48:20,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 15:48:20,109 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 [2022-07-12 15:48:20,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:48:20,195 INFO L225 Difference]: With dead ends: 16874 [2022-07-12 15:48:20,195 INFO L226 Difference]: Without dead ends: 8441 [2022-07-12 15:48:20,250 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-12 15:48:20,254 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 [2022-07-12 15:48:20,255 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] [2022-07-12 15:48:20,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8441 states. [2022-07-12 15:48:23,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8441 to 8441. [2022-07-12 15:48:23,092 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) [2022-07-12 15:48:23,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8441 states to 8441 states and 12546 transitions. [2022-07-12 15:48:23,158 INFO L78 Accepts]: Start accepts. Automaton has 8441 states and 12546 transitions. Word has length 48 [2022-07-12 15:48:23,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:48:23,159 INFO L495 AbstractCegarLoop]: Abstraction has 8441 states and 12546 transitions. [2022-07-12 15:48:23,160 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) [2022-07-12 15:48:23,160 INFO L276 IsEmpty]: Start isEmpty. Operand 8441 states and 12546 transitions. [2022-07-12 15:48:23,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-07-12 15:48:23,163 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:48:23,163 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] [2022-07-12 15:48:23,200 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-12 15:48:23,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:48:23,386 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)] === [2022-07-12 15:48:23,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:48:23,387 INFO L85 PathProgramCache]: Analyzing trace with hash -1256060321, now seen corresponding path program 1 times [2022-07-12 15:48:23,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:48:23,388 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1617237528] [2022-07-12 15:48:23,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:48:23,388 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:48:23,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:48:23,390 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) [2022-07-12 15:48:23,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 15:48:24,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:48:24,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 1769 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 15:48:24,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:48:26,711 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-12 15:48:26,712 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 15:48:27,754 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-07-12 15:48:27,754 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:48:27,754 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1617237528] [2022-07-12 15:48:27,754 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1617237528] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-12 15:48:27,755 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 15:48:27,755 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-07-12 15:48:27,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091178311] [2022-07-12 15:48:27,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:48:27,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 15:48:27,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:48:27,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 15:48:27,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 15:48:27,757 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) [2022-07-12 15:48:29,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:48:29,044 INFO L93 Difference]: Finished difference Result 8447 states and 12551 transitions. [2022-07-12 15:48:29,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 15:48:29,044 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 53 [2022-07-12 15:48:29,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:48:29,116 INFO L225 Difference]: With dead ends: 8447 [2022-07-12 15:48:29,116 INFO L226 Difference]: Without dead ends: 8445 [2022-07-12 15:48:29,130 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-12 15:48:29,135 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 [2022-07-12 15:48:29,136 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] [2022-07-12 15:48:29,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8445 states. [2022-07-12 15:48:31,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8445 to 8445. [2022-07-12 15:48:31,883 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) [2022-07-12 15:48:31,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8445 states to 8445 states and 12549 transitions. [2022-07-12 15:48:31,930 INFO L78 Accepts]: Start accepts. Automaton has 8445 states and 12549 transitions. Word has length 53 [2022-07-12 15:48:31,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:48:31,930 INFO L495 AbstractCegarLoop]: Abstraction has 8445 states and 12549 transitions. [2022-07-12 15:48:31,931 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) [2022-07-12 15:48:31,931 INFO L276 IsEmpty]: Start isEmpty. Operand 8445 states and 12549 transitions. [2022-07-12 15:48:31,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-07-12 15:48:31,935 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:48:31,936 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] [2022-07-12 15:48:31,964 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-07-12 15:48:32,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:48:32,152 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)] === [2022-07-12 15:48:32,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:48:32,152 INFO L85 PathProgramCache]: Analyzing trace with hash -621802818, now seen corresponding path program 1 times [2022-07-12 15:48:32,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:48:32,154 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2012740305] [2022-07-12 15:48:32,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:48:32,154 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:48:32,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:48:32,156 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) [2022-07-12 15:48:32,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 15:48:33,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:48:33,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 1776 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 15:48:33,491 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:48:35,490 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-07-12 15:48:35,490 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 15:48:36,581 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-07-12 15:48:36,581 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:48:36,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2012740305] [2022-07-12 15:48:36,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2012740305] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-12 15:48:36,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 15:48:36,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-07-12 15:48:36,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95554800] [2022-07-12 15:48:36,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:48:36,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 15:48:36,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:48:36,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 15:48:36,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 15:48:36,582 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) [2022-07-12 15:48:37,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:48:37,775 INFO L93 Difference]: Finished difference Result 8451 states and 12554 transitions. [2022-07-12 15:48:37,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 15:48:37,776 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 [2022-07-12 15:48:37,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:48:37,842 INFO L225 Difference]: With dead ends: 8451 [2022-07-12 15:48:37,843 INFO L226 Difference]: Without dead ends: 8449 [2022-07-12 15:48:37,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-12 15:48:37,855 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 [2022-07-12 15:48:37,856 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] [2022-07-12 15:48:37,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8449 states. [2022-07-12 15:48:40,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8449 to 8449. [2022-07-12 15:48:40,444 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) [2022-07-12 15:48:40,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8449 states to 8449 states and 12552 transitions. [2022-07-12 15:48:40,485 INFO L78 Accepts]: Start accepts. Automaton has 8449 states and 12552 transitions. Word has length 58 [2022-07-12 15:48:40,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:48:40,486 INFO L495 AbstractCegarLoop]: Abstraction has 8449 states and 12552 transitions. [2022-07-12 15:48:40,486 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) [2022-07-12 15:48:40,486 INFO L276 IsEmpty]: Start isEmpty. Operand 8449 states and 12552 transitions. [2022-07-12 15:48:40,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-07-12 15:48:40,488 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:48:40,488 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] [2022-07-12 15:48:40,521 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-12 15:48:40,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:48:40,704 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)] === [2022-07-12 15:48:40,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:48:40,704 INFO L85 PathProgramCache]: Analyzing trace with hash -937720449, now seen corresponding path program 1 times [2022-07-12 15:48:40,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:48:40,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [834991953] [2022-07-12 15:48:40,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:48:40,706 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:48:40,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:48:40,707 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) [2022-07-12 15:48:40,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-12 15:48:41,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:48:42,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 1783 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 15:48:42,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:48:44,311 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 15:48:44,311 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 15:48:45,488 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 15:48:45,488 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:48:45,488 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [834991953] [2022-07-12 15:48:45,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [834991953] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-12 15:48:45,489 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 15:48:45,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-07-12 15:48:45,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001209385] [2022-07-12 15:48:45,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:48:45,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 15:48:45,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:48:45,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 15:48:45,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 15:48:45,490 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) [2022-07-12 15:48:46,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:48:46,689 INFO L93 Difference]: Finished difference Result 8455 states and 12557 transitions. [2022-07-12 15:48:46,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 15:48:46,690 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 [2022-07-12 15:48:46,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:48:46,751 INFO L225 Difference]: With dead ends: 8455 [2022-07-12 15:48:46,751 INFO L226 Difference]: Without dead ends: 8453 [2022-07-12 15:48:46,764 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 [2022-07-12 15:48:46,766 INFO L413 NwaCegarLoop]: 12543 mSDtfsCounter, 12521 mSDsluCounter, 25073 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12523 SdHoareTripleChecker+Valid, 37616 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-12 15:48:46,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12523 Valid, 37616 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-12 15:48:46,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8453 states. [2022-07-12 15:48:49,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8453 to 8453. [2022-07-12 15:48:49,375 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) [2022-07-12 15:48:49,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8453 states to 8453 states and 12555 transitions. [2022-07-12 15:48:49,413 INFO L78 Accepts]: Start accepts. Automaton has 8453 states and 12555 transitions. Word has length 63 [2022-07-12 15:48:49,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:48:49,414 INFO L495 AbstractCegarLoop]: Abstraction has 8453 states and 12555 transitions. [2022-07-12 15:48:49,414 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) [2022-07-12 15:48:49,414 INFO L276 IsEmpty]: Start isEmpty. Operand 8453 states and 12555 transitions. [2022-07-12 15:48:49,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-07-12 15:48:49,415 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:48:49,415 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] [2022-07-12 15:48:49,446 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-12 15:48:49,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:48:49,631 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)] === [2022-07-12 15:48:49,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:48:49,632 INFO L85 PathProgramCache]: Analyzing trace with hash 1267147100, now seen corresponding path program 1 times [2022-07-12 15:48:49,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:48:49,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1070018031] [2022-07-12 15:48:49,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:48:49,634 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:48:49,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:48:49,636 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) [2022-07-12 15:48:49,639 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-12 15:48:51,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:48:51,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 1810 conjuncts, 23 conjunts are in the unsatisfiable core [2022-07-12 15:48:51,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:48:55,136 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2022-07-12 15:48:55,137 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 15:48:59,061 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-07-12 15:48:59,061 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:48:59,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1070018031] [2022-07-12 15:48:59,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1070018031] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 15:48:59,062 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 15:48:59,062 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 18 [2022-07-12 15:48:59,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793776274] [2022-07-12 15:48:59,062 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 15:48:59,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-07-12 15:48:59,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:48:59,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-07-12 15:48:59,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-07-12 15:48:59,064 INFO L87 Difference]: Start difference. First operand 8453 states and 12555 transitions. Second operand has 18 states, 17 states have (on average 2.764705882352941) internal successors, (47), 16 states have internal predecessors, (47), 6 states have call successors, (19), 2 states have call predecessors, (19), 5 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18) [2022-07-12 15:49:10,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:49:10,805 INFO L93 Difference]: Finished difference Result 16560 states and 24593 transitions. [2022-07-12 15:49:10,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-12 15:49:10,806 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 2.764705882352941) internal successors, (47), 16 states have internal predecessors, (47), 6 states have call successors, (19), 2 states have call predecessors, (19), 5 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18) Word has length 78 [2022-07-12 15:49:10,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:49:10,850 INFO L225 Difference]: With dead ends: 16560 [2022-07-12 15:49:10,850 INFO L226 Difference]: Without dead ends: 8467 [2022-07-12 15:49:10,883 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=119, Invalid=583, Unknown=0, NotChecked=0, Total=702 [2022-07-12 15:49:10,884 INFO L413 NwaCegarLoop]: 12522 mSDtfsCounter, 42 mSDsluCounter, 200251 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 212773 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-07-12 15:49:10,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 212773 Invalid, 528 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [39 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 7.7s Time] [2022-07-12 15:49:10,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8467 states. [2022-07-12 15:49:13,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8467 to 8463. [2022-07-12 15:49:13,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8463 states, 4859 states have (on average 1.1545585511422103) internal successors, (5610), 4885 states have internal predecessors, (5610), 3480 states have call successors, (3480), 122 states have call predecessors, (3480), 121 states have return successors, (3477), 3465 states have call predecessors, (3477), 3477 states have call successors, (3477) [2022-07-12 15:49:13,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8463 states to 8463 states and 12567 transitions. [2022-07-12 15:49:13,590 INFO L78 Accepts]: Start accepts. Automaton has 8463 states and 12567 transitions. Word has length 78 [2022-07-12 15:49:13,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:49:13,591 INFO L495 AbstractCegarLoop]: Abstraction has 8463 states and 12567 transitions. [2022-07-12 15:49:13,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 2.764705882352941) internal successors, (47), 16 states have internal predecessors, (47), 6 states have call successors, (19), 2 states have call predecessors, (19), 5 states have return successors, (18), 7 states have call predecessors, (18), 6 states have call successors, (18) [2022-07-12 15:49:13,591 INFO L276 IsEmpty]: Start isEmpty. Operand 8463 states and 12567 transitions. [2022-07-12 15:49:13,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-07-12 15:49:13,592 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:49:13,592 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:49:13,622 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-12 15:49:13,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:49:13,807 INFO L420 AbstractCegarLoop]: === Iteration 6 === 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)] === [2022-07-12 15:49:13,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:49:13,808 INFO L85 PathProgramCache]: Analyzing trace with hash -696208610, now seen corresponding path program 1 times [2022-07-12 15:49:13,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:49:13,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1839659486] [2022-07-12 15:49:13,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:49:13,809 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:49:13,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:49:13,811 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 15:49:13,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-12 15:49:15,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:49:15,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 1790 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 15:49:15,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:49:17,477 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-07-12 15:49:17,477 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 15:49:18,681 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2022-07-12 15:49:18,682 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:49:18,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1839659486] [2022-07-12 15:49:18,682 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1839659486] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-12 15:49:18,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 15:49:18,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-07-12 15:49:18,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115995816] [2022-07-12 15:49:18,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:49:18,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 15:49:18,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:49:18,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 15:49:18,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 15:49:18,683 INFO L87 Difference]: Start difference. First operand 8463 states and 12567 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, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-12 15:49:19,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:49:19,827 INFO L93 Difference]: Finished difference Result 8558 states and 12653 transitions. [2022-07-12 15:49:19,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 15:49:19,828 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, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 68 [2022-07-12 15:49:19,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:49:19,873 INFO L225 Difference]: With dead ends: 8558 [2022-07-12 15:49:19,874 INFO L226 Difference]: Without dead ends: 8554 [2022-07-12 15:49:19,885 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-12 15:49:19,887 INFO L413 NwaCegarLoop]: 12598 mSDtfsCounter, 12351 mSDsluCounter, 25432 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12352 SdHoareTripleChecker+Valid, 38030 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-12 15:49:19,888 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12352 Valid, 38030 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-12 15:49:19,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8554 states. [2022-07-12 15:49:24,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8554 to 8552. [2022-07-12 15:49:24,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8552 states, 4923 states have (on average 1.154377412147065) internal successors, (5683), 4948 states have internal predecessors, (5683), 3484 states have call successors, (3484), 144 states have call predecessors, (3484), 142 states have return successors, (3481), 3469 states have call predecessors, (3481), 3481 states have call successors, (3481) [2022-07-12 15:49:24,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8552 states to 8552 states and 12648 transitions. [2022-07-12 15:49:24,892 INFO L78 Accepts]: Start accepts. Automaton has 8552 states and 12648 transitions. Word has length 68 [2022-07-12 15:49:24,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:49:24,893 INFO L495 AbstractCegarLoop]: Abstraction has 8552 states and 12648 transitions. [2022-07-12 15:49:24,893 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, (12), 3 states have call predecessors, (12), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-12 15:49:24,893 INFO L276 IsEmpty]: Start isEmpty. Operand 8552 states and 12648 transitions. [2022-07-12 15:49:24,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-07-12 15:49:24,893 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:49:24,894 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:49:24,926 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-12 15:49:25,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:49:25,112 INFO L420 AbstractCegarLoop]: === Iteration 7 === 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)] === [2022-07-12 15:49:25,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:49:25,112 INFO L85 PathProgramCache]: Analyzing trace with hash -658552673, now seen corresponding path program 1 times [2022-07-12 15:49:25,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:49:25,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1835551299] [2022-07-12 15:49:25,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:49:25,114 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:49:25,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:49:25,115 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 15:49:25,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process