./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 98d50d623f72baafe13ab6a5d1ec3f840fccd437bd559cdde24b5507886949f9 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 15:49:35,203 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 15:49:35,205 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 15:49:35,243 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 15:49:35,244 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 15:49:35,245 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 15:49:35,246 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 15:49:35,248 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 15:49:35,249 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 15:49:35,253 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 15:49:35,254 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 15:49:35,255 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 15:49:35,256 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 15:49:35,257 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 15:49:35,258 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 15:49:35,260 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 15:49:35,261 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 15:49:35,262 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 15:49:35,264 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 15:49:35,266 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 15:49:35,268 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 15:49:35,269 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 15:49:35,269 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 15:49:35,270 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 15:49:35,271 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 15:49:35,275 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 15:49:35,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 15:49:35,275 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 15:49:35,276 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 15:49:35,276 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 15:49:35,277 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 15:49:35,277 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 15:49:35,278 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 15:49:35,279 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 15:49:35,279 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 15:49:35,280 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 15:49:35,280 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 15:49:35,280 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 15:49:35,281 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 15:49:35,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 15:49:35,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 15:49:35,283 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 15:49:35,284 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 15:49:35,306 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 15:49:35,306 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 15:49:35,306 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 15:49:35,307 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 15:49:35,307 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 15:49:35,308 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 15:49:35,308 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 15:49:35,308 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 15:49:35,308 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 15:49:35,309 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 15:49:35,309 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 15:49:35,309 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 15:49:35,309 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 15:49:35,310 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 15:49:35,310 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 15:49:35,310 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 15:49:35,310 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 15:49:35,310 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 15:49:35,315 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 15:49:35,315 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 15:49:35,315 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 15:49:35,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 15:49:35,316 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 15:49:35,316 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 15:49:35,316 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 15:49:35,316 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 15:49:35,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 15:49:35,316 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 15:49:35,316 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 15:49:35,317 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 15:49:35,317 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98d50d623f72baafe13ab6a5d1ec3f840fccd437bd559cdde24b5507886949f9 [2022-07-12 15:49:35,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 15:49:35,537 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 15:49:35,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 15:49:35,539 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 15:49:35,540 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 15:49:35,540 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i [2022-07-12 15:49:35,593 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/159c6d009/ff26a1ab43754607b348e1a9961dce93/FLAG6b23dc604 [2022-07-12 15:49:36,319 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 15:49:36,320 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i [2022-07-12 15:49:36,371 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/159c6d009/ff26a1ab43754607b348e1a9961dce93/FLAG6b23dc604 [2022-07-12 15:49:36,618 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/159c6d009/ff26a1ab43754607b348e1a9961dce93 [2022-07-12 15:49:36,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 15:49:36,621 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 15:49:36,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 15:49:36,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 15:49:36,624 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 15:49:36,625 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:49:36" (1/1) ... [2022-07-12 15:49:36,626 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11ab62b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:49:36, skipping insertion in model container [2022-07-12 15:49:36,626 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:49:36" (1/1) ... [2022-07-12 15:49:36,630 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 15:49:36,768 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 15:49:39,601 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i[515692,515705] [2022-07-12 15:49:39,604 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i[515861,515874] [2022-07-12 15:49:39,605 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i[516028,516041] [2022-07-12 15:49:39,605 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i[516196,516209] [2022-07-12 15:49:39,632 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:49:39,653 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 15:49:40,011 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 15:49:40,016 INFO L158 Benchmark]: Toolchain (without parser) took 3394.29ms. Allocated memory was 132.1MB in the beginning and 285.2MB in the end (delta: 153.1MB). Free memory was 76.8MB in the beginning and 181.8MB in the end (delta: -105.1MB). Peak memory consumption was 121.4MB. Max. memory is 16.1GB. [2022-07-12 15:49:40,016 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 79.7MB. Free memory was 37.1MB in the beginning and 37.1MB in the end (delta: 36.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 15:49:40,017 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3392.33ms. Allocated memory was 132.1MB in the beginning and 285.2MB in the end (delta: 153.1MB). Free memory was 76.6MB in the beginning and 181.8MB in the end (delta: -105.3MB). Peak memory consumption was 121.4MB. Max. memory is 16.1GB. [2022-07-12 15:49:40,018 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 79.7MB. Free memory was 37.1MB in the beginning and 37.1MB in the end (delta: 36.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3392.33ms. Allocated memory was 132.1MB in the beginning and 285.2MB in the end (delta: 153.1MB). Free memory was 76.6MB in the beginning and 181.8MB in the end (delta: -105.3MB). Peak memory consumption was 121.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: HeapLValues must be converted to RValue before their value can be queried. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: HeapLValues must be converted to RValue before their value can be queried.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 98d50d623f72baafe13ab6a5d1ec3f840fccd437bd559cdde24b5507886949f9 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 15:49:41,496 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 15:49:41,497 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 15:49:41,517 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 15:49:41,518 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 15:49:41,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 15:49:41,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 15:49:41,521 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 15:49:41,522 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 15:49:41,523 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 15:49:41,523 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 15:49:41,524 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 15:49:41,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 15:49:41,525 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 15:49:41,526 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 15:49:41,527 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 15:49:41,527 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 15:49:41,528 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 15:49:41,529 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 15:49:41,530 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 15:49:41,531 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 15:49:41,532 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 15:49:41,533 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 15:49:41,533 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 15:49:41,534 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 15:49:41,536 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 15:49:41,536 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 15:49:41,536 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 15:49:41,537 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 15:49:41,538 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 15:49:41,538 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 15:49:41,538 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 15:49:41,539 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 15:49:41,540 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 15:49:41,540 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 15:49:41,541 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 15:49:41,541 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 15:49:41,542 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 15:49:41,542 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 15:49:41,542 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 15:49:41,543 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 15:49:41,543 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 15:49:41,544 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 15:49:41,560 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 15:49:41,560 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 15:49:41,561 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 15:49:41,561 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 15:49:41,561 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 15:49:41,562 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 15:49:41,562 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 15:49:41,562 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 15:49:41,563 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 15:49:41,563 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 15:49:41,563 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 15:49:41,563 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 15:49:41,563 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 15:49:41,563 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 15:49:41,564 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 15:49:41,564 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 15:49:41,564 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 15:49:41,564 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 15:49:41,564 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 15:49:41,564 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 15:49:41,565 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 15:49:41,565 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 15:49:41,565 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 15:49:41,565 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 15:49:41,565 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 15:49:41,565 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 15:49:41,566 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 15:49:41,566 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 15:49:41,566 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 15:49:41,566 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 15:49:41,566 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 15:49:41,566 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 15:49:41,567 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 15:49:41,567 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98d50d623f72baafe13ab6a5d1ec3f840fccd437bd559cdde24b5507886949f9 [2022-07-12 15:49:41,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 15:49:41,916 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 15:49:41,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 15:49:41,919 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 15:49:41,920 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 15:49:41,920 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i [2022-07-12 15:49:41,970 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3714aaa42/22b2930768134a6b8d7ff338d0a9e188/FLAG522e5e221 [2022-07-12 15:49:42,638 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 15:49:42,639 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i [2022-07-12 15:49:42,686 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3714aaa42/22b2930768134a6b8d7ff338d0a9e188/FLAG522e5e221 [2022-07-12 15:49:42,730 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3714aaa42/22b2930768134a6b8d7ff338d0a9e188 [2022-07-12 15:49:42,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 15:49:42,733 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 15:49:42,734 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 15:49:42,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 15:49:42,737 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 15:49:42,737 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:49:42" (1/1) ... [2022-07-12 15:49:42,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b82a59b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:49:42, skipping insertion in model container [2022-07-12 15:49:42,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:49:42" (1/1) ... [2022-07-12 15:49:42,743 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 15:49:42,866 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 15:49:45,315 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i[515692,515705] [2022-07-12 15:49:45,321 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i[515861,515874] [2022-07-12 15:49:45,322 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i[516028,516041] [2022-07-12 15:49:45,322 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i[516196,516209] [2022-07-12 15:49:45,349 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:49:45,381 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 15:49:45,455 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 15:49:45,777 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i[515692,515705] [2022-07-12 15:49:45,778 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i[515861,515874] [2022-07-12 15:49:45,778 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i[516028,516041] [2022-07-12 15:49:45,778 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i[516196,516209] [2022-07-12 15:49:45,780 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:49:45,794 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 15:49:46,216 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i[515692,515705] [2022-07-12 15:49:46,216 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i[515861,515874] [2022-07-12 15:49:46,217 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i[516028,516041] [2022-07-12 15:49:46,217 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i[516196,516209] [2022-07-12 15:49:46,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:49:46,382 INFO L208 MainTranslator]: Completed translation [2022-07-12 15:49:46,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:49:46 WrapperNode [2022-07-12 15:49:46,383 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 15:49:46,384 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 15:49:46,384 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 15:49:46,384 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 15:49:46,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:49:46" (1/1) ... [2022-07-12 15:49:46,508 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:49:46" (1/1) ... [2022-07-12 15:49:46,667 INFO L137 Inliner]: procedures = 407, calls = 6166, calls flagged for inlining = 164, calls inlined = 141, statements flattened = 13433 [2022-07-12 15:49:46,668 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 15:49:46,669 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 15:49:46,669 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 15:49:46,669 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 15:49:46,676 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:49:46" (1/1) ... [2022-07-12 15:49:46,676 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:49:46" (1/1) ... [2022-07-12 15:49:46,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:49:46" (1/1) ... [2022-07-12 15:49:46,738 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:49:46" (1/1) ... [2022-07-12 15:49:46,925 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:49:46" (1/1) ... [2022-07-12 15:49:46,942 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:49:46" (1/1) ... [2022-07-12 15:49:46,979 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:49:46" (1/1) ... [2022-07-12 15:49:47,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 15:49:47,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 15:49:47,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 15:49:47,025 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 15:49:47,025 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:49:46" (1/1) ... [2022-07-12 15:49:47,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 15:49:47,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 15:49:47,045 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 15:49:47,052 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 15:49:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-12 15:49:47,069 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-12 15:49:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure to_sd [2022-07-12 15:49:47,069 INFO L138 BoogieDeclarations]: Found implementation of procedure to_sd [2022-07-12 15:49:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_tuner [2022-07-12 15:49:47,069 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_tuner [2022-07-12 15:49:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 15:49:47,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 15:49:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx2388x [2022-07-12 15:49:47,070 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx2388x [2022-07-12 15:49:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_tuner [2022-07-12 15:49:47,070 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_tuner [2022-07-12 15:49:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx2583x [2022-07-12 15:49:47,070 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx2583x [2022-07-12 15:49:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-12 15:49:47,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-12 15:49:47,071 INFO L130 BoogieDeclarations]: Found specification of procedure to_ir_state [2022-07-12 15:49:47,071 INFO L138 BoogieDeclarations]: Found implementation of procedure to_ir_state [2022-07-12 15:49:47,071 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_width_count_to_ns [2022-07-12 15:49:47,071 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_width_count_to_ns [2022-07-12 15:49:47,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_53 [2022-07-12 15:49:47,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_53 [2022-07-12 15:49:47,071 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 15:49:47,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 15:49:47,072 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2022-07-12 15:49:47,072 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2022-07-12 15:49:47,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_rx_kfifo_lock_of_cx25840_ir_state [2022-07-12 15:49:47,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_rx_kfifo_lock_of_cx25840_ir_state [2022-07-12 15:49:47,072 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2022-07-12 15:49:47,072 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2022-07-12 15:49:47,072 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 15:49:47,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 15:49:47,072 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_sliced_fmt [2022-07-12 15:49:47,073 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_sliced_fmt [2022-07-12 15:49:47,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 15:49:47,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 15:49:47,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 15:49:47,073 INFO L130 BoogieDeclarations]: Found specification of procedure __kfifo_uint_must_check_helper [2022-07-12 15:49:47,073 INFO L138 BoogieDeclarations]: Found implementation of procedure __kfifo_uint_must_check_helper [2022-07-12 15:49:47,073 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_resolution [2022-07-12 15:49:47,073 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_resolution [2022-07-12 15:49:47,073 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-07-12 15:49:47,074 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-07-12 15:49:47,074 INFO L130 BoogieDeclarations]: Found specification of procedure cx25836_initialize [2022-07-12 15:49:47,074 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25836_initialize [2022-07-12 15:49:47,074 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_write4 [2022-07-12 15:49:47,074 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_write4 [2022-07-12 15:49:47,074 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ext_ctrls [2022-07-12 15:49:47,074 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ext_ctrls [2022-07-12 15:49:47,074 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_frequency [2022-07-12 15:49:47,074 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_frequency [2022-07-12 15:49:47,075 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 15:49:47,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 15:49:47,075 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_std_setup [2022-07-12 15:49:47,075 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_std_setup [2022-07-12 15:49:47,075 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2022-07-12 15:49:47,075 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2022-07-12 15:49:47,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 15:49:47,075 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 15:49:47,075 INFO L130 BoogieDeclarations]: Found specification of procedure control_tx_modulation_enable [2022-07-12 15:49:47,076 INFO L138 BoogieDeclarations]: Found implementation of procedure control_tx_modulation_enable [2022-07-12 15:49:47,076 INFO L130 BoogieDeclarations]: Found specification of procedure cx23885_initialize [2022-07-12 15:49:47,076 INFO L138 BoogieDeclarations]: Found implementation of procedure cx23885_initialize [2022-07-12 15:49:47,076 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_raw_fmt [2022-07-12 15:49:47,076 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_raw_fmt [2022-07-12 15:49:47,076 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_and_or [2022-07-12 15:49:47,076 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_and_or [2022-07-12 15:49:47,076 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_s_ctrl [2022-07-12 15:49:47,076 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_s_ctrl [2022-07-12 15:49:47,077 INFO L130 BoogieDeclarations]: Found specification of procedure set_audclk_freq [2022-07-12 15:49:47,077 INFO L138 BoogieDeclarations]: Found implementation of procedure set_audclk_freq [2022-07-12 15:49:47,077 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_g_parameters [2022-07-12 15:49:47,077 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_g_parameters [2022-07-12 15:49:47,077 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_initialize [2022-07-12 15:49:47,077 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_initialize [2022-07-12 15:49:47,077 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-12 15:49:47,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-07-12 15:49:47,077 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_input_status [2022-07-12 15:49:47,078 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_input_status [2022-07-12 15:49:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure lpf_count_to_ns [2022-07-12 15:49:47,078 INFO L138 BoogieDeclarations]: Found implementation of procedure lpf_count_to_ns [2022-07-12 15:49:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-12 15:49:47,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-12 15:49:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_set_audclk_freq [2022-07-12 15:49:47,078 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_set_audclk_freq [2022-07-12 15:49:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 15:49:47,078 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_width_count_to_us [2022-07-12 15:49:47,079 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_width_count_to_us [2022-07-12 15:49:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 15:49:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 15:49:47,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 15:49:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 15:49:47,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 15:49:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 15:49:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-12 15:49:47,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-12 15:49:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-12 15:49:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_get_subdevdata [2022-07-12 15:49:47,080 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_get_subdevdata [2022-07-12 15:49:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-12 15:49:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_decode_vbi_line [2022-07-12 15:49:47,080 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_decode_vbi_line [2022-07-12 15:49:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure pulse_clocks_to_clock_divider [2022-07-12 15:49:47,080 INFO L138 BoogieDeclarations]: Found implementation of procedure pulse_clocks_to_clock_divider [2022-07-12 15:49:47,080 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx231xx [2022-07-12 15:49:47,081 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx231xx [2022-07-12 15:49:47,081 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2022-07-12 15:49:47,081 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2022-07-12 15:49:47,081 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_probe [2022-07-12 15:49:47,081 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_probe [2022-07-12 15:49:47,081 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-12 15:49:47,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-12 15:49:47,081 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-12 15:49:47,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-12 15:49:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure odd_parity [2022-07-12 15:49:47,082 INFO L138 BoogieDeclarations]: Found implementation of procedure odd_parity [2022-07-12 15:49:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_enable [2022-07-12 15:49:47,082 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_enable [2022-07-12 15:49:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-12 15:49:47,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-12 15:49:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure filter_rx_s_min_width [2022-07-12 15:49:47,082 INFO L138 BoogieDeclarations]: Found implementation of procedure filter_rx_s_min_width [2022-07-12 15:49:47,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-12 15:49:47,083 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_shutdown [2022-07-12 15:49:47,083 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_shutdown [2022-07-12 15:49:47,083 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-12 15:49:47,083 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-12 15:49:47,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 15:49:47,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 15:49:47,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 15:49:47,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-12 15:49:47,083 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ctrl [2022-07-12 15:49:47,083 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ctrl [2022-07-12 15:49:47,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 15:49:47,084 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_s_parameters [2022-07-12 15:49:47,084 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_s_parameters [2022-07-12 15:49:47,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 15:49:47,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 15:49:47,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 15:49:47,084 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 15:49:47,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 15:49:47,084 INFO L130 BoogieDeclarations]: Found specification of procedure input_change [2022-07-12 15:49:47,084 INFO L138 BoogieDeclarations]: Found implementation of procedure input_change [2022-07-12 15:49:47,085 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_tx_g_parameters [2022-07-12 15:49:47,085 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_tx_g_parameters [2022-07-12 15:49:47,085 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_querymenu [2022-07-12 15:49:47,085 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_querymenu [2022-07-12 15:49:47,085 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-12 15:49:47,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-12 15:49:47,085 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-12 15:49:47,085 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-12 15:49:47,085 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_probe [2022-07-12 15:49:47,086 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_probe [2022-07-12 15:49:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-12 15:49:47,086 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-12 15:49:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_shutdown [2022-07-12 15:49:47,086 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_shutdown [2022-07-12 15:49:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-12 15:49:47,086 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-12 15:49:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure control_tx_enable [2022-07-12 15:49:47,086 INFO L138 BoogieDeclarations]: Found implementation of procedure control_tx_enable [2022-07-12 15:49:47,086 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-12 15:49:47,087 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-12 15:49:47,087 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 15:49:47,087 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 15:49:47,087 INFO L130 BoogieDeclarations]: Found specification of procedure carrier_freq_to_clock_divider [2022-07-12 15:49:47,087 INFO L138 BoogieDeclarations]: Found implementation of procedure carrier_freq_to_clock_divider [2022-07-12 15:49:47,087 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_demodulation_enable [2022-07-12 15:49:47,087 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_demodulation_enable [2022-07-12 15:49:47,087 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_get_drvdata [2022-07-12 15:49:47,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_get_drvdata [2022-07-12 15:49:47,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 15:49:47,088 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-12 15:49:47,088 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-12 15:49:47,088 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_write [2022-07-12 15:49:47,088 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_write [2022-07-12 15:49:47,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 15:49:47,088 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_mbus_fmt [2022-07-12 15:49:47,088 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_mbus_fmt [2022-07-12 15:49:47,088 INFO L130 BoogieDeclarations]: Found specification of procedure set_volume [2022-07-12 15:49:47,088 INFO L138 BoogieDeclarations]: Found implementation of procedure set_volume [2022-07-12 15:49:47,089 INFO L130 BoogieDeclarations]: Found specification of procedure cx231xx_initialize [2022-07-12 15:49:47,089 INFO L138 BoogieDeclarations]: Found implementation of procedure cx231xx_initialize [2022-07-12 15:49:47,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-12 15:49:47,089 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_g_ext_ctrls [2022-07-12 15:49:47,089 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_g_ext_ctrls [2022-07-12 15:49:47,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 15:49:47,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 15:49:47,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 15:49:47,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 15:49:47,089 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-12 15:49:47,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-12 15:49:47,090 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-12 15:49:47,090 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-12 15:49:47,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 15:49:47,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 15:49:47,090 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-12 15:49:47,090 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-12 15:49:47,090 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_try_ext_ctrls [2022-07-12 15:49:47,090 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_try_ext_ctrls [2022-07-12 15:49:47,090 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata___0 [2022-07-12 15:49:47,091 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata___0 [2022-07-12 15:49:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure irqenable_tx [2022-07-12 15:49:47,091 INFO L138 BoogieDeclarations]: Found implementation of procedure irqenable_tx [2022-07-12 15:49:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_subdev_queryctrl [2022-07-12 15:49:47,091 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_subdev_queryctrl [2022-07-12 15:49:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_freq [2022-07-12 15:49:47,091 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_freq [2022-07-12 15:49:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_std [2022-07-12 15:49:47,091 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_std [2022-07-12 15:49:47,091 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_ir_rx_s_parameters [2022-07-12 15:49:47,092 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_ir_rx_s_parameters [2022-07-12 15:49:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure to_state [2022-07-12 15:49:47,092 INFO L138 BoogieDeclarations]: Found implementation of procedure to_state [2022-07-12 15:49:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_g_register [2022-07-12 15:49:47,092 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_g_register [2022-07-12 15:49:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_register [2022-07-12 15:49:47,092 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_register [2022-07-12 15:49:47,092 INFO L130 BoogieDeclarations]: Found specification of procedure set_input [2022-07-12 15:49:47,092 INFO L138 BoogieDeclarations]: Found implementation of procedure set_input [2022-07-12 15:49:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 15:49:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-12 15:49:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure cx23888_std_setup [2022-07-12 15:49:47,093 INFO L138 BoogieDeclarations]: Found implementation of procedure cx23888_std_setup [2022-07-12 15:49:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 15:49:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_transfer [2022-07-12 15:49:47,093 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_transfer [2022-07-12 15:49:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-12 15:49:47,093 INFO L130 BoogieDeclarations]: Found specification of procedure irqenable_rx [2022-07-12 15:49:47,093 INFO L138 BoogieDeclarations]: Found implementation of procedure irqenable_rx [2022-07-12 15:49:47,094 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_and_or4 [2022-07-12 15:49:47,094 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_and_or4 [2022-07-12 15:49:47,094 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_read [2022-07-12 15:49:47,094 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_read [2022-07-12 15:49:47,094 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_s_sliced_fmt [2022-07-12 15:49:47,094 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_s_sliced_fmt [2022-07-12 15:49:47,094 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_master_send [2022-07-12 15:49:47,094 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_master_send [2022-07-12 15:49:47,094 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_adapter_id [2022-07-12 15:49:47,094 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_adapter_id [2022-07-12 15:49:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure clock_divider_to_carrier_freq [2022-07-12 15:49:47,095 INFO L138 BoogieDeclarations]: Found implementation of procedure clock_divider_to_carrier_freq [2022-07-12 15:49:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 15:49:47,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 15:49:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure control_rx_s_edge_detection [2022-07-12 15:49:47,095 INFO L138 BoogieDeclarations]: Found implementation of procedure control_rx_s_edge_detection [2022-07-12 15:49:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-07-12 15:49:47,095 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-07-12 15:49:47,095 INFO L130 BoogieDeclarations]: Found specification of procedure cx25840_read4 [2022-07-12 15:49:47,095 INFO L138 BoogieDeclarations]: Found implementation of procedure cx25840_read4 [2022-07-12 15:49:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-12 15:49:47,096 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-12 15:49:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-12 15:49:47,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-12 15:49:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~TO~VOID [2022-07-12 15:49:47,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_UINT~X~$Pointer$~TO~VOID [2022-07-12 15:49:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23885 [2022-07-12 15:49:47,096 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23885 [2022-07-12 15:49:47,096 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_pulse_clocks [2022-07-12 15:49:47,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_pulse_clocks [2022-07-12 15:49:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23888 [2022-07-12 15:49:47,097 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23888 [2022-07-12 15:49:47,097 INFO L130 BoogieDeclarations]: Found specification of procedure is_cx23887 [2022-07-12 15:49:47,097 INFO L138 BoogieDeclarations]: Found implementation of procedure is_cx23887 [2022-07-12 15:49:48,233 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 15:49:48,235 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 15:49:51,176 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 15:52:45,265 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 15:52:45,305 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 15:52:45,305 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-12 15:52:45,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:52:45 BoogieIcfgContainer [2022-07-12 15:52:45,312 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 15:52:45,315 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 15:52:45,315 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 15:52:45,317 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 15:52:45,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 03:49:42" (1/3) ... [2022-07-12 15:52:45,318 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43f67964 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:52:45, skipping insertion in model container [2022-07-12 15:52:45,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:49:46" (2/3) ... [2022-07-12 15:52:45,318 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43f67964 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:52:45, skipping insertion in model container [2022-07-12 15:52:45,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:52:45" (3/3) ... [2022-07-12 15:52:45,319 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_linux-kernel-locking-spinlock_drivers-media-i2c-cx25840-cx25840.cil.i [2022-07-12 15:52:45,329 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 15:52:45,329 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-12 15:52:45,456 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 15:52:45,463 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@43f40c2c, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@cf705 [2022-07-12 15:52:45,463 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-12 15:52:45,485 INFO L276 IsEmpty]: Start isEmpty. Operand has 8434 states, 4832 states have (on average 1.1572847682119205) internal successors, (5592), 4859 states have internal predecessors, (5592), 3482 states have call successors, (3482), 117 states have call predecessors, (3482), 116 states have return successors, (3479), 3467 states have call predecessors, (3479), 3479 states have call successors, (3479) [2022-07-12 15:52:45,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-07-12 15:52:45,494 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:52:45,495 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 15:52:45,495 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:52:45,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:52:45,499 INFO L85 PathProgramCache]: Analyzing trace with hash 848135627, now seen corresponding path program 1 times [2022-07-12 15:52:45,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:52:45,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [464981988] [2022-07-12 15:52:45,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:52:45,512 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:52:45,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:52:45,521 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 15:52:45,522 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 15:52:46,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:52:46,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 1759 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 15:52:46,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:52:48,795 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 15:52:48,795 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:52:48,796 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:52:48,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [464981988] [2022-07-12 15:52:48,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [464981988] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:52:48,796 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:52:48,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 15:52:48,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91528358] [2022-07-12 15:52:48,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:52:48,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 15:52:48,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:52:48,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 15:52:48,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 15:52:48,834 INFO L87 Difference]: Start difference. First operand has 8434 states, 4832 states have (on average 1.1572847682119205) internal successors, (5592), 4859 states have internal predecessors, (5592), 3482 states have call successors, (3482), 117 states have call predecessors, (3482), 116 states have return successors, (3479), 3467 states have call predecessors, (3479), 3479 states have call successors, (3479) Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-07-12 15:52:50,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:52:50,100 INFO L93 Difference]: Finished difference Result 16844 states and 25111 transitions. [2022-07-12 15:52:50,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 15:52:50,103 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 48 [2022-07-12 15:52:50,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:52:50,173 INFO L225 Difference]: With dead ends: 16844 [2022-07-12 15:52:50,174 INFO L226 Difference]: Without dead ends: 8426 [2022-07-12 15:52:50,223 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 15:52:50,229 INFO L413 NwaCegarLoop]: 12539 mSDtfsCounter, 12513 mSDsluCounter, 25070 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12514 SdHoareTripleChecker+Valid, 37609 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-12 15:52:50,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12514 Valid, 37609 Invalid, 16 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-12 15:52:50,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8426 states. [2022-07-12 15:52:52,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8426 to 8426. [2022-07-12 15:52:52,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8426 states, 4828 states have (on average 1.1555509527754764) internal successors, (5579), 4854 states have internal predecessors, (5579), 3479 states have call successors, (3479), 117 states have call predecessors, (3479), 116 states have return successors, (3476), 3464 states have call predecessors, (3476), 3476 states have call successors, (3476) [2022-07-12 15:52:53,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8426 states to 8426 states and 12534 transitions. [2022-07-12 15:52:53,018 INFO L78 Accepts]: Start accepts. Automaton has 8426 states and 12534 transitions. Word has length 48 [2022-07-12 15:52:53,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:52:53,018 INFO L495 AbstractCegarLoop]: Abstraction has 8426 states and 12534 transitions. [2022-07-12 15:52:53,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-07-12 15:52:53,019 INFO L276 IsEmpty]: Start isEmpty. Operand 8426 states and 12534 transitions. [2022-07-12 15:52:53,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-07-12 15:52:53,022 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:52:53,022 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 15:52:53,054 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-12 15:52:53,235 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 15:52:53,235 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:52:53,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:52:53,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1552207272, now seen corresponding path program 1 times [2022-07-12 15:52:53,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:52:53,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1056551285] [2022-07-12 15:52:53,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:52:53,238 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:52:53,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:52:53,239 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 15:52:53,240 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 15:52:54,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:52:54,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 1766 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 15:52:54,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:52:56,556 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 15:52:56,556 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 15:52:57,673 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 15:52:57,674 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:52:57,674 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1056551285] [2022-07-12 15:52:57,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1056551285] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-12 15:52:57,674 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 15:52:57,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-12 15:52:57,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875086883] [2022-07-12 15:52:57,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:52:57,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 15:52:57,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:52:57,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 15:52:57,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 15:52:57,678 INFO L87 Difference]: Start difference. First operand 8426 states and 12534 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-12 15:52:58,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:52:58,752 INFO L93 Difference]: Finished difference Result 8432 states and 12539 transitions. [2022-07-12 15:52:58,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 15:52:58,753 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 15:52:58,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:52:58,811 INFO L225 Difference]: With dead ends: 8432 [2022-07-12 15:52:58,811 INFO L226 Difference]: Without dead ends: 8430 [2022-07-12 15:52:58,822 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 15:52:58,823 INFO L413 NwaCegarLoop]: 12531 mSDtfsCounter, 12507 mSDsluCounter, 25047 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12513 SdHoareTripleChecker+Valid, 37578 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-12 15:52:58,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12513 Valid, 37578 Invalid, 16 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-12 15:52:58,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8430 states. [2022-07-12 15:53:01,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8430 to 8430. [2022-07-12 15:53:01,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8430 states, 4831 states have (on average 1.1554543572759264) internal successors, (5582), 4857 states have internal predecessors, (5582), 3479 states have call successors, (3479), 118 states have call predecessors, (3479), 117 states have return successors, (3476), 3464 states have call predecessors, (3476), 3476 states have call successors, (3476) [2022-07-12 15:53:01,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8430 states to 8430 states and 12537 transitions. [2022-07-12 15:53:01,337 INFO L78 Accepts]: Start accepts. Automaton has 8430 states and 12537 transitions. Word has length 53 [2022-07-12 15:53:01,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:53:01,338 INFO L495 AbstractCegarLoop]: Abstraction has 8430 states and 12537 transitions. [2022-07-12 15:53:01,338 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 15:53:01,338 INFO L276 IsEmpty]: Start isEmpty. Operand 8430 states and 12537 transitions. [2022-07-12 15:53:01,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-07-12 15:53:01,344 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:53:01,344 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 15:53:01,375 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-12 15:53:01,571 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 15:53:01,571 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:53:01,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:53:01,572 INFO L85 PathProgramCache]: Analyzing trace with hash 821128619, now seen corresponding path program 1 times [2022-07-12 15:53:01,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:53:01,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [723437285] [2022-07-12 15:53:01,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:53:01,574 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:53:01,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:53:01,578 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 15:53:01,580 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 15:53:02,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:53:02,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 1773 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 15:53:02,916 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:53:05,006 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 15:53:05,007 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 15:53:06,130 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 15:53:06,131 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:53:06,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [723437285] [2022-07-12 15:53:06,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [723437285] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-12 15:53:06,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 15:53:06,131 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-12 15:53:06,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086931052] [2022-07-12 15:53:06,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:53:06,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 15:53:06,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:53:06,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 15:53:06,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 15:53:06,133 INFO L87 Difference]: Start difference. First operand 8430 states and 12537 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (10), 3 states have call predecessors, (10), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-12 15:53:07,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:53:07,301 INFO L93 Difference]: Finished difference Result 8436 states and 12542 transitions. [2022-07-12 15:53:07,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 15:53:07,302 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 15:53:07,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:53:07,375 INFO L225 Difference]: With dead ends: 8436 [2022-07-12 15:53:07,375 INFO L226 Difference]: Without dead ends: 8434 [2022-07-12 15:53:07,387 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 15:53:07,390 INFO L413 NwaCegarLoop]: 12531 mSDtfsCounter, 12507 mSDsluCounter, 25047 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12512 SdHoareTripleChecker+Valid, 37578 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-12 15:53:07,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12512 Valid, 37578 Invalid, 16 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-12 15:53:07,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8434 states. [2022-07-12 15:53:10,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8434 to 8434. [2022-07-12 15:53:10,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8434 states, 4834 states have (on average 1.1553578816714936) internal successors, (5585), 4860 states have internal predecessors, (5585), 3479 states have call successors, (3479), 119 states have call predecessors, (3479), 118 states have return successors, (3476), 3464 states have call predecessors, (3476), 3476 states have call successors, (3476) [2022-07-12 15:53:10,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8434 states to 8434 states and 12540 transitions. [2022-07-12 15:53:10,673 INFO L78 Accepts]: Start accepts. Automaton has 8434 states and 12540 transitions. Word has length 58 [2022-07-12 15:53:10,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:53:10,674 INFO L495 AbstractCegarLoop]: Abstraction has 8434 states and 12540 transitions. [2022-07-12 15:53:10,674 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 15:53:10,675 INFO L276 IsEmpty]: Start isEmpty. Operand 8434 states and 12540 transitions. [2022-07-12 15:53:10,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-07-12 15:53:10,677 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:53:10,677 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:53:10,713 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 15:53:10,899 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 15:53:10,900 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:53:10,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:53:10,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1891276219, now seen corresponding path program 1 times [2022-07-12 15:53:10,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:53:10,902 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1267740246] [2022-07-12 15:53:10,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:53:10,903 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:53:10,903 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:53:10,904 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 15:53:10,906 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 15:53:12,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:53:12,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 1800 conjuncts, 23 conjunts are in the unsatisfiable core [2022-07-12 15:53:12,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:53:16,393 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 15:53:16,393 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 15:53:20,524 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 15:53:20,524 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:53:20,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1267740246] [2022-07-12 15:53:20,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1267740246] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 15:53:20,524 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-12 15:53:20,524 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 18 [2022-07-12 15:53:20,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223605843] [2022-07-12 15:53:20,524 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-12 15:53:20,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-07-12 15:53:20,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:53:20,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-07-12 15:53:20,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-07-12 15:53:20,526 INFO L87 Difference]: Start difference. First operand 8434 states and 12540 transitions. Second operand has 18 states, 17 states have (on average 2.764705882352941) internal successors, (47), 16 states have internal predecessors, (47), 6 states have call successors, (17), 2 states have call predecessors, (17), 5 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) [2022-07-12 15:53:33,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:53:33,137 INFO L93 Difference]: Finished difference Result 16523 states and 24565 transitions. [2022-07-12 15:53:33,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-12 15:53:33,138 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 2.764705882352941) internal successors, (47), 16 states have internal predecessors, (47), 6 states have call successors, (17), 2 states have call predecessors, (17), 5 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) Word has length 73 [2022-07-12 15:53:33,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:53:33,185 INFO L225 Difference]: With dead ends: 16523 [2022-07-12 15:53:33,186 INFO L226 Difference]: Without dead ends: 8448 [2022-07-12 15:53:33,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=119, Invalid=583, Unknown=0, NotChecked=0, Total=702 [2022-07-12 15:53:33,230 INFO L413 NwaCegarLoop]: 12508 mSDtfsCounter, 46 mSDsluCounter, 175028 mSDsCounter, 0 mSdLazyCounter, 460 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 187536 SdHoareTripleChecker+Invalid, 499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 460 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2022-07-12 15:53:33,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 187536 Invalid, 499 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [39 Valid, 460 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2022-07-12 15:53:33,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8448 states. [2022-07-12 15:53:35,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8448 to 8444. [2022-07-12 15:53:35,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8444 states, 4842 states have (on average 1.1551011978521273) internal successors, (5593), 4868 states have internal predecessors, (5593), 3481 states have call successors, (3481), 119 states have call predecessors, (3481), 118 states have return successors, (3478), 3466 states have call predecessors, (3478), 3478 states have call successors, (3478) [2022-07-12 15:53:35,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8444 states to 8444 states and 12552 transitions. [2022-07-12 15:53:35,885 INFO L78 Accepts]: Start accepts. Automaton has 8444 states and 12552 transitions. Word has length 73 [2022-07-12 15:53:35,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:53:35,886 INFO L495 AbstractCegarLoop]: Abstraction has 8444 states and 12552 transitions. [2022-07-12 15:53:35,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 2.764705882352941) internal successors, (47), 16 states have internal predecessors, (47), 6 states have call successors, (17), 2 states have call predecessors, (17), 5 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) [2022-07-12 15:53:35,886 INFO L276 IsEmpty]: Start isEmpty. Operand 8444 states and 12552 transitions. [2022-07-12 15:53:35,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-07-12 15:53:35,887 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:53:35,887 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 15:53:35,913 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 15:53:36,113 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 15:53:36,113 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:53:36,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:53:36,113 INFO L85 PathProgramCache]: Analyzing trace with hash -655923720, now seen corresponding path program 1 times [2022-07-12 15:53:36,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:53:36,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1200747599] [2022-07-12 15:53:36,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:53:36,115 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:53:36,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:53:36,116 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 15:53:36,117 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 15:53:37,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:53:37,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 1780 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 15:53:37,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:53:39,841 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 15:53:39,841 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 15:53:41,001 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 15:53:41,001 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:53:41,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1200747599] [2022-07-12 15:53:41,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1200747599] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-12 15:53:41,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 15:53:41,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-12 15:53:41,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602975792] [2022-07-12 15:53:41,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:53:41,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 15:53:41,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:53:41,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 15:53:41,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 15:53:41,003 INFO L87 Difference]: Start difference. First operand 8444 states and 12552 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (11), 3 states have call predecessors, (11), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-12 15:53:42,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:53:42,035 INFO L93 Difference]: Finished difference Result 8450 states and 12557 transitions. [2022-07-12 15:53:42,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 15:53:42,036 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 15:53:42,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:53:42,068 INFO L225 Difference]: With dead ends: 8450 [2022-07-12 15:53:42,068 INFO L226 Difference]: Without dead ends: 8448 [2022-07-12 15:53:42,073 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-12 15:53:42,073 INFO L413 NwaCegarLoop]: 12531 mSDtfsCounter, 12507 mSDsluCounter, 25047 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12511 SdHoareTripleChecker+Valid, 37578 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 15:53:42,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12511 Valid, 37578 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 15:53:42,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8448 states. [2022-07-12 15:53:44,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8448 to 8448. [2022-07-12 15:53:44,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8448 states, 4845 states have (on average 1.1550051599587203) internal successors, (5596), 4871 states have internal predecessors, (5596), 3481 states have call successors, (3481), 120 states have call predecessors, (3481), 119 states have return successors, (3478), 3466 states have call predecessors, (3478), 3478 states have call successors, (3478) [2022-07-12 15:53:44,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8448 states to 8448 states and 12555 transitions. [2022-07-12 15:53:44,592 INFO L78 Accepts]: Start accepts. Automaton has 8448 states and 12555 transitions. Word has length 63 [2022-07-12 15:53:44,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:53:44,592 INFO L495 AbstractCegarLoop]: Abstraction has 8448 states and 12555 transitions. [2022-07-12 15:53:44,592 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 15:53:44,593 INFO L276 IsEmpty]: Start isEmpty. Operand 8448 states and 12555 transitions. [2022-07-12 15:53:44,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-07-12 15:53:44,593 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:53:44,593 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 15:53:44,633 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 15:53:44,799 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 15:53:44,800 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:53:44,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:53:44,800 INFO L85 PathProgramCache]: Analyzing trace with hash -1754354293, now seen corresponding path program 1 times [2022-07-12 15:53:44,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:53:44,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [843720235] [2022-07-12 15:53:44,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:53:44,802 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:53:44,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:53:44,803 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 15:53:44,805 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 15:53:46,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:53:46,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 1787 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 15:53:46,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:53:48,837 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 15:53:48,837 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 15:53:50,083 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 15:53:50,084 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:53:50,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [843720235] [2022-07-12 15:53:50,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [843720235] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-12 15:53:50,084 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 15:53:50,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-12 15:53:50,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200336807] [2022-07-12 15:53:50,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:53:50,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 15:53:50,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:53:50,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 15:53:50,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 15:53:50,085 INFO L87 Difference]: Start difference. First operand 8448 states and 12555 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 15:53:51,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:53:51,095 INFO L93 Difference]: Finished difference Result 8454 states and 12560 transitions. [2022-07-12 15:53:51,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 15:53:51,095 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 15:53:51,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:53:51,132 INFO L225 Difference]: With dead ends: 8454 [2022-07-12 15:53:51,133 INFO L226 Difference]: Without dead ends: 8452 [2022-07-12 15:53:51,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 129 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 15:53:51,141 INFO L413 NwaCegarLoop]: 12531 mSDtfsCounter, 12507 mSDsluCounter, 25047 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12510 SdHoareTripleChecker+Valid, 37578 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-12 15:53:51,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12510 Valid, 37578 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-12 15:53:51,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8452 states. [2022-07-12 15:53:53,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8452 to 8452. [2022-07-12 15:53:53,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8452 states, 4848 states have (on average 1.1549092409240924) internal successors, (5599), 4874 states have internal predecessors, (5599), 3481 states have call successors, (3481), 121 states have call predecessors, (3481), 120 states have return successors, (3478), 3466 states have call predecessors, (3478), 3478 states have call successors, (3478) [2022-07-12 15:53:53,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8452 states to 8452 states and 12558 transitions. [2022-07-12 15:53:53,660 INFO L78 Accepts]: Start accepts. Automaton has 8452 states and 12558 transitions. Word has length 68 [2022-07-12 15:53:53,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:53:53,661 INFO L495 AbstractCegarLoop]: Abstraction has 8452 states and 12558 transitions. [2022-07-12 15:53:53,661 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 15:53:53,661 INFO L276 IsEmpty]: Start isEmpty. Operand 8452 states and 12558 transitions. [2022-07-12 15:53:53,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-07-12 15:53:53,662 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:53:53,662 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 15:53:53,691 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 15:53:53,888 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 15:53:53,888 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-12 15:53:53,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:53:53,889 INFO L85 PathProgramCache]: Analyzing trace with hash -128892520, now seen corresponding path program 1 times [2022-07-12 15:53:53,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:53:53,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1935882491] [2022-07-12 15:53:53,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:53:53,890 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:53:53,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:53:53,892 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 15:53:53,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-12 15:53:55,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:53:55,150 INFO L263 TraceCheckSpWp]: Trace formula consists of 1794 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 15:53:55,152 INFO L286 TraceCheckSpWp]: Computing forward predicates...