./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.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 33bd09d869d296ee6412c3b7b3ef9c41644173ec61a0d0594392f209ae5abb1a --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 13:47:10,772 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 13:47:10,775 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 13:47:10,802 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 13:47:10,802 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 13:47:10,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 13:47:10,809 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 13:47:10,813 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 13:47:10,815 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 13:47:10,820 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 13:47:10,822 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 13:47:10,826 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 13:47:10,827 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 13:47:10,830 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 13:47:10,832 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 13:47:10,833 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 13:47:10,834 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 13:47:10,836 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 13:47:10,839 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 13:47:10,845 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 13:47:10,847 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 13:47:10,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 13:47:10,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 13:47:10,852 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 13:47:10,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 13:47:10,861 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 13:47:10,862 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 13:47:10,863 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 13:47:10,864 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 13:47:10,864 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 13:47:10,865 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 13:47:10,866 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 13:47:10,867 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 13:47:10,868 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 13:47:10,869 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 13:47:10,870 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 13:47:10,870 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 13:47:10,871 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 13:47:10,871 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 13:47:10,871 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 13:47:10,872 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 13:47:10,873 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 13:47:10,883 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 13:47:10,922 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 13:47:10,923 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 13:47:10,923 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 13:47:10,923 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 13:47:10,924 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 13:47:10,924 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 13:47:10,925 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 13:47:10,925 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 13:47:10,926 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 13:47:10,927 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 13:47:10,927 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 13:47:10,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 13:47:10,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 13:47:10,927 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 13:47:10,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 13:47:10,936 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 13:47:10,936 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 13:47:10,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 13:47:10,937 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 13:47:10,937 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 13:47:10,937 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 13:47:10,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 13:47:10,937 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 13:47:10,938 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 13:47:10,938 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 13:47:10,938 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 13:47:10,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 13:47:10,938 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 13:47:10,939 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 13:47:10,939 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 13:47:10,939 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33bd09d869d296ee6412c3b7b3ef9c41644173ec61a0d0594392f209ae5abb1a [2022-07-21 13:47:11,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 13:47:11,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 13:47:11,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 13:47:11,315 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 13:47:11,316 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 13:47:11,318 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-07-21 13:47:11,387 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5c1f581a/1c26be33c8b14d4981ef11d65e2d3199/FLAGd2c6775d7 [2022-07-21 13:47:12,345 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 13:47:12,346 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-07-21 13:47:12,443 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5c1f581a/1c26be33c8b14d4981ef11d65e2d3199/FLAGd2c6775d7 [2022-07-21 13:47:12,858 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5c1f581a/1c26be33c8b14d4981ef11d65e2d3199 [2022-07-21 13:47:12,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 13:47:12,863 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 13:47:12,866 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 13:47:12,867 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 13:47:12,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 13:47:12,875 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:47:12" (1/1) ... [2022-07-21 13:47:12,877 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1de719ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:12, skipping insertion in model container [2022-07-21 13:47:12,877 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:47:12" (1/1) ... [2022-07-21 13:47:12,884 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 13:47:13,127 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 13:47:20,052 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_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522220,522233] [2022-07-21 13:47:20,055 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_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522389,522402] [2022-07-21 13:47:20,056 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_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522556,522569] [2022-07-21 13:47:20,056 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_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522724,522737] [2022-07-21 13:47:20,095 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:47:20,132 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 13:47:20,323 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckException: Type check failed for C: data = data & 4294959087U [8054] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckBinaryExpression(TypeCheckHelper.java:207) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.constructBinaryExpression(ExpressionFactory.java:597) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.newBinaryExpression(ExpressionFactory.java:132) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:483) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-21 13:47:20,332 INFO L158 Benchmark]: Toolchain (without parser) took 7467.08ms. Allocated memory was 67.1MB in the beginning and 182.5MB in the end (delta: 115.3MB). Free memory was 38.3MB in the beginning and 109.5MB in the end (delta: -71.2MB). Peak memory consumption was 80.9MB. Max. memory is 16.1GB. [2022-07-21 13:47:20,334 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 54.5MB. Free memory was 36.0MB in the beginning and 36.0MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 13:47:20,335 INFO L158 Benchmark]: CACSL2BoogieTranslator took 7462.68ms. Allocated memory was 67.1MB in the beginning and 182.5MB in the end (delta: 115.3MB). Free memory was 38.3MB in the beginning and 109.5MB in the end (delta: -71.3MB). Peak memory consumption was 80.9MB. Max. memory is 16.1GB. [2022-07-21 13:47:20,337 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 54.5MB. Free memory was 36.0MB in the beginning and 36.0MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 7462.68ms. Allocated memory was 67.1MB in the beginning and 182.5MB in the end (delta: 115.3MB). Free memory was 38.3MB in the beginning and 109.5MB in the end (delta: -71.3MB). Peak memory consumption was 80.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: data = data & 4294959087U [8054] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: data = data & 4294959087U [8054]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) 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_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.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 33bd09d869d296ee6412c3b7b3ef9c41644173ec61a0d0594392f209ae5abb1a --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 13:47:22,080 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 13:47:22,082 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 13:47:22,109 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 13:47:22,110 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 13:47:22,111 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 13:47:22,112 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 13:47:22,113 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 13:47:22,115 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 13:47:22,115 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 13:47:22,116 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 13:47:22,117 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 13:47:22,118 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 13:47:22,119 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 13:47:22,119 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 13:47:22,120 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 13:47:22,121 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 13:47:22,122 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 13:47:22,123 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 13:47:22,125 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 13:47:22,126 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 13:47:22,127 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 13:47:22,128 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 13:47:22,129 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 13:47:22,129 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 13:47:22,132 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 13:47:22,132 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 13:47:22,133 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 13:47:22,133 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 13:47:22,134 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 13:47:22,135 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 13:47:22,135 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 13:47:22,135 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 13:47:22,136 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 13:47:22,137 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 13:47:22,138 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 13:47:22,138 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 13:47:22,139 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 13:47:22,139 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 13:47:22,139 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 13:47:22,140 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 13:47:22,141 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 13:47:22,147 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 13:47:22,187 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 13:47:22,188 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 13:47:22,188 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 13:47:22,188 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 13:47:22,189 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 13:47:22,189 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 13:47:22,190 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 13:47:22,190 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 13:47:22,190 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 13:47:22,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 13:47:22,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 13:47:22,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 13:47:22,192 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 13:47:22,192 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 13:47:22,192 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 13:47:22,192 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 13:47:22,193 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 13:47:22,193 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 13:47:22,193 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 13:47:22,193 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 13:47:22,194 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 13:47:22,194 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 13:47:22,194 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 13:47:22,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 13:47:22,195 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 13:47:22,195 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 13:47:22,195 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 13:47:22,195 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 13:47:22,195 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 13:47:22,196 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 13:47:22,196 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 13:47:22,196 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 13:47:22,196 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 13:47:22,196 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33bd09d869d296ee6412c3b7b3ef9c41644173ec61a0d0594392f209ae5abb1a [2022-07-21 13:47:22,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 13:47:22,530 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 13:47:22,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 13:47:22,535 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 13:47:22,535 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 13:47:22,537 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-07-21 13:47:22,598 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/946f392cb/fcd10b9f4aa94af8b80e53b224ed6aad/FLAG31edefcb6 [2022-07-21 13:47:23,511 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 13:47:23,512 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-07-21 13:47:23,594 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/946f392cb/fcd10b9f4aa94af8b80e53b224ed6aad/FLAG31edefcb6 [2022-07-21 13:47:23,901 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/946f392cb/fcd10b9f4aa94af8b80e53b224ed6aad [2022-07-21 13:47:23,905 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 13:47:23,907 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 13:47:23,908 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 13:47:23,909 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 13:47:23,912 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 13:47:23,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:47:23" (1/1) ... [2022-07-21 13:47:23,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24bbd86c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:23, skipping insertion in model container [2022-07-21 13:47:23,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:47:23" (1/1) ... [2022-07-21 13:47:23,919 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 13:47:24,113 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 13:47:29,316 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_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522220,522233] [2022-07-21 13:47:29,319 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_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522389,522402] [2022-07-21 13:47:29,320 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_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522556,522569] [2022-07-21 13:47:29,321 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_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522724,522737] [2022-07-21 13:47:29,359 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:47:29,420 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 13:47:29,572 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 13:47:29,990 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_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522220,522233] [2022-07-21 13:47:29,991 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_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522389,522402] [2022-07-21 13:47:29,991 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_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522556,522569] [2022-07-21 13:47:29,992 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_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522724,522737] [2022-07-21 13:47:29,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:47:30,015 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 13:47:30,498 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_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522220,522233] [2022-07-21 13:47:30,498 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_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522389,522402] [2022-07-21 13:47:30,499 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_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522556,522569] [2022-07-21 13:47:30,499 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_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i[522724,522737] [2022-07-21 13:47:30,509 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:47:30,802 INFO L208 MainTranslator]: Completed translation [2022-07-21 13:47:30,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:30 WrapperNode [2022-07-21 13:47:30,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 13:47:30,806 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 13:47:30,806 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 13:47:30,806 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 13:47:30,812 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:30" (1/1) ... [2022-07-21 13:47:30,956 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:30" (1/1) ... [2022-07-21 13:47:31,250 INFO L137 Inliner]: procedures = 714, calls = 4066, calls flagged for inlining = 372, calls inlined = 346, statements flattened = 9917 [2022-07-21 13:47:31,251 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 13:47:31,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 13:47:31,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 13:47:31,252 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 13:47:31,263 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:30" (1/1) ... [2022-07-21 13:47:31,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:30" (1/1) ... [2022-07-21 13:47:31,334 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:30" (1/1) ... [2022-07-21 13:47:31,335 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:30" (1/1) ... [2022-07-21 13:47:31,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:30" (1/1) ... [2022-07-21 13:47:31,506 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:30" (1/1) ... [2022-07-21 13:47:31,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:30" (1/1) ... [2022-07-21 13:47:31,689 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 13:47:31,691 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 13:47:31,691 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 13:47:31,691 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 13:47:31,692 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:30" (1/1) ... [2022-07-21 13:47:31,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 13:47:31,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 13:47:31,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 13:47:31,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 13:47:31,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_93 [2022-07-21 13:47:31,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_93 [2022-07-21 13:47:31,781 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-21 13:47:31,781 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-21 13:47:31,781 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-07-21 13:47:31,781 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-07-21 13:47:31,782 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_core [2022-07-21 13:47:31,782 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_core [2022-07-21 13:47:31,782 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-07-21 13:47:31,782 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-07-21 13:47:31,782 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_post_phy_linkchg [2022-07-21 13:47:31,782 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_post_phy_linkchg [2022-07-21 13:47:31,783 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-21 13:47:31,783 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-21 13:47:31,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 13:47:31,783 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 13:47:31,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_80 [2022-07-21 13:47:31,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_80 [2022-07-21 13:47:31,783 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-07-21 13:47:31,784 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-07-21 13:47:31,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 13:47:31,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 13:47:31,785 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_rx_ring [2022-07-21 13:47:31,785 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_rx_ring [2022-07-21 13:47:31,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-21 13:47:31,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-21 13:47:31,785 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-21 13:47:31,785 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-21 13:47:31,786 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-21 13:47:31,786 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-21 13:47:31,786 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-21 13:47:31,786 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-21 13:47:31,786 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_current_addr [2022-07-21 13:47:31,787 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_current_addr [2022-07-21 13:47:31,787 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 13:47:31,787 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 13:47:31,787 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-21 13:47:31,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-21 13:47:31,788 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_mac [2022-07-21 13:47:31,788 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_mac [2022-07-21 13:47:31,788 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_disable [2022-07-21 13:47:31,789 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_disable [2022-07-21 13:47:31,789 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_stop_phy_polling [2022-07-21 13:47:31,790 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_stop_phy_polling [2022-07-21 13:47:31,790 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-21 13:47:31,790 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-21 13:47:31,790 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 13:47:31,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-21 13:47:31,791 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-21 13:47:31,791 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-21 13:47:31,791 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-21 13:47:31,791 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-21 13:47:31,791 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-21 13:47:31,792 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-21 13:47:31,792 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 13:47:31,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 13:47:31,792 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-21 13:47:31,792 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-21 13:47:31,792 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-21 13:47:31,793 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-21 13:47:31,793 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-07-21 13:47:31,794 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-07-21 13:47:31,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 13:47:31,794 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-21 13:47:31,794 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-21 13:47:31,794 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_speed_and_duplex [2022-07-21 13:47:31,794 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_speed_and_duplex [2022-07-21 13:47:31,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-21 13:47:31,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 13:47:31,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 13:47:31,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 13:47:31,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_mdio_lock_of_atl1c_adapter [2022-07-21 13:47:31,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_mdio_lock_of_atl1c_adapter [2022-07-21 13:47:31,795 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-21 13:47:31,796 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-21 13:47:31,796 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_close [2022-07-21 13:47:31,797 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_close [2022-07-21 13:47:31,797 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-21 13:47:31,797 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-21 13:47:31,797 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_reg [2022-07-21 13:47:31,798 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_reg [2022-07-21 13:47:31,798 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_init [2022-07-21 13:47:31,798 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_init [2022-07-21 13:47:31,798 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_dbg [2022-07-21 13:47:31,798 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_dbg [2022-07-21 13:47:31,798 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_regs_len [2022-07-21 13:47:31,798 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_regs_len [2022-07-21 13:47:31,799 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 13:47:31,799 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 13:47:31,799 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-21 13:47:31,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-21 13:47:31,799 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_ring_resources [2022-07-21 13:47:31,800 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_ring_resources [2022-07-21 13:47:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-21 13:47:31,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-21 13:47:31,800 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-21 13:47:31,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-21 13:47:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-21 13:47:31,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-21 13:47:31,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 13:47:31,801 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 13:47:31,802 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-21 13:47:31,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-21 13:47:31,804 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-21 13:47:31,804 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-21 13:47:31,804 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-21 13:47:31,805 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-21 13:47:31,805 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-21 13:47:31,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-21 13:47:31,806 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-21 13:47:31,806 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-21 13:47:31,806 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_multi [2022-07-21 13:47:31,811 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_multi [2022-07-21 13:47:31,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-21 13:47:31,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-21 13:47:31,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 13:47:31,812 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-21 13:47:31,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-21 13:47:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-21 13:47:31,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-21 13:47:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-21 13:47:31,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-21 13:47:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-07-21 13:47:31,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-07-21 13:47:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 13:47:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-21 13:47:31,814 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-21 13:47:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 13:47:31,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 13:47:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 13:47:31,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 13:47:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 13:47:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_start_phy_polling [2022-07-21 13:47:31,815 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_start_phy_polling [2022-07-21 13:47:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-07-21 13:47:31,815 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-07-21 13:47:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-21 13:47:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 13:47:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-21 13:47:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 13:47:31,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 13:47:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 13:47:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-07-21 13:47:31,816 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-07-21 13:47:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-07-21 13:47:31,816 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-07-21 13:47:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-21 13:47:31,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-21 13:47:31,817 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_core [2022-07-21 13:47:31,817 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_core [2022-07-21 13:47:31,817 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_until_idle [2022-07-21 13:47:31,817 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_until_idle [2022-07-21 13:47:31,817 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-21 13:47:31,817 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-21 13:47:31,818 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-21 13:47:31,818 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-21 13:47:31,818 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 13:47:31,818 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 13:47:31,818 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_link_status [2022-07-21 13:47:31,818 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_link_status [2022-07-21 13:47:31,818 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-21 13:47:31,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-21 13:47:31,819 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_alloc_rx_buffer [2022-07-21 13:47:31,819 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_alloc_rx_buffer [2022-07-21 13:47:31,819 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mdio_lock_of_atl1c_adapter [2022-07-21 13:47:31,819 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mdio_lock_of_atl1c_adapter [2022-07-21 13:47:31,819 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_io_resume [2022-07-21 13:47:31,819 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_io_resume [2022-07-21 13:47:31,820 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_dbg [2022-07-21 13:47:31,820 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_dbg [2022-07-21 13:47:31,820 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_wait_mdio_idle [2022-07-21 13:47:31,820 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_wait_mdio_idle [2022-07-21 13:47:31,820 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-21 13:47:31,820 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-21 13:47:31,820 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-21 13:47:31,821 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-21 13:47:31,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 13:47:31,822 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_vlan_mode [2022-07-21 13:47:31,822 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_vlan_mode [2022-07-21 13:47:31,822 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tx_buffer [2022-07-21 13:47:31,823 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tx_buffer [2022-07-21 13:47:31,823 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_down [2022-07-21 13:47:31,823 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_down [2022-07-21 13:47:31,823 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_suspend [2022-07-21 13:47:31,823 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_suspend [2022-07-21 13:47:31,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 13:47:31,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 13:47:31,824 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-21 13:47:31,824 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-21 13:47:31,824 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-21 13:47:31,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-21 13:47:31,824 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 13:47:31,824 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-21 13:47:31,824 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-21 13:47:31,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-21 13:47:31,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 13:47:31,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 13:47:31,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 13:47:31,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 13:47:31,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 13:47:31,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 13:47:31,825 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-21 13:47:31,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-21 13:47:31,826 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-21 13:47:31,826 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-21 13:47:31,826 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-07-21 13:47:31,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-07-21 13:47:31,826 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_tx_timeout [2022-07-21 13:47:31,826 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_tx_timeout [2022-07-21 13:47:31,827 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-21 13:47:31,827 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-21 13:47:31,827 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-21 13:47:31,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-21 13:47:31,827 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_tpd [2022-07-21 13:47:31,827 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_tpd [2022-07-21 13:47:31,827 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_hw_set_mac_addr [2022-07-21 13:47:31,828 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_hw_set_mac_addr [2022-07-21 13:47:31,828 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-21 13:47:31,828 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-21 13:47:31,828 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-21 13:47:31,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-21 13:47:31,828 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-21 13:47:31,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-21 13:47:31,828 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_restart_autoneg [2022-07-21 13:47:31,829 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_restart_autoneg [2022-07-21 13:47:31,829 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_rxbufsize [2022-07-21 13:47:31,829 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_rxbufsize [2022-07-21 13:47:31,829 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-21 13:47:31,829 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-21 13:47:31,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 13:47:31,833 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 13:47:31,833 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_free_irq [2022-07-21 13:47:31,834 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_free_irq [2022-07-21 13:47:31,834 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-21 13:47:31,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-21 13:47:31,834 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_write_phy_ext [2022-07-21 13:47:31,834 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_write_phy_ext [2022-07-21 13:47:31,834 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-21 13:47:31,834 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-21 13:47:31,835 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-21 13:47:31,835 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-21 13:47:31,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 13:47:31,835 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-21 13:47:31,835 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-21 13:47:31,835 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_nway_reset [2022-07-21 13:47:31,835 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_nway_reset [2022-07-21 13:47:31,836 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_dma_ring [2022-07-21 13:47:31,836 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_dma_ring [2022-07-21 13:47:31,836 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-21 13:47:31,836 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-21 13:47:31,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 13:47:31,836 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_irq_enable [2022-07-21 13:47:31,836 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_irq_enable [2022-07-21 13:47:31,836 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-07-21 13:47:31,836 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-07-21 13:47:31,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-21 13:47:31,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 13:47:31,837 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_get_eeprom_len [2022-07-21 13:47:31,837 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_get_eeprom_len [2022-07-21 13:47:31,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 13:47:31,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 13:47:31,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 13:47:31,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-21 13:47:31,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-21 13:47:31,838 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_check_eeprom_exist [2022-07-21 13:47:31,838 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_check_eeprom_exist [2022-07-21 13:47:31,838 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-21 13:47:31,838 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-21 13:47:31,838 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-21 13:47:31,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-21 13:47:31,839 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_netpoll [2022-07-21 13:47:31,839 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_netpoll [2022-07-21 13:47:31,839 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-21 13:47:31,839 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-21 13:47:31,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-21 13:47:31,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-21 13:47:31,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-21 13:47:31,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-21 13:47:31,840 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_configure [2022-07-21 13:47:31,840 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_configure [2022-07-21 13:47:31,840 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-07-21 13:47:31,840 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-07-21 13:47:31,840 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_85 [2022-07-21 13:47:31,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_85 [2022-07-21 13:47:31,840 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_tx_ring [2022-07-21 13:47:31,841 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_tx_ring [2022-07-21 13:47:31,841 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_reset [2022-07-21 13:47:31,841 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_reset [2022-07-21 13:47:31,841 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_open [2022-07-21 13:47:31,841 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_open [2022-07-21 13:47:31,841 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-21 13:47:31,841 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-21 13:47:31,841 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-21 13:47:31,842 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-21 13:47:31,842 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_atl1c_driver_exit_16_2 [2022-07-21 13:47:31,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_atl1c_driver_exit_16_2 [2022-07-21 13:47:31,842 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-21 13:47:31,842 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-21 13:47:31,842 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-21 13:47:31,842 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-21 13:47:31,843 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 13:47:31,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 13:47:31,843 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_intr [2022-07-21 13:47:31,843 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_intr [2022-07-21 13:47:31,843 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-21 13:47:31,843 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-21 13:47:31,843 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_power_saving [2022-07-21 13:47:31,843 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_power_saving [2022-07-21 13:47:31,844 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_phy_setup_adv [2022-07-21 13:47:31,844 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_phy_setup_adv [2022-07-21 13:47:31,844 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-21 13:47:31,844 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-21 13:47:31,844 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 13:47:31,844 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 13:47:31,844 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_clean_buffer [2022-07-21 13:47:31,845 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_clean_buffer [2022-07-21 13:47:31,845 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_remove [2022-07-21 13:47:31,845 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_remove [2022-07-21 13:47:31,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 13:47:31,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-21 13:47:31,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 13:47:31,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 13:47:31,845 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 13:47:31,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 13:47:31,846 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_86 [2022-07-21 13:47:31,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_86 [2022-07-21 13:47:31,846 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-21 13:47:31,846 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-21 13:47:31,846 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-21 13:47:31,846 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-21 13:47:31,847 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_up [2022-07-21 13:47:31,847 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_up [2022-07-21 13:47:31,847 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-21 13:47:31,847 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-21 13:47:31,847 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_disable_l0s_l1 [2022-07-21 13:47:31,847 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_disable_l0s_l1 [2022-07-21 13:47:31,847 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_resume [2022-07-21 13:47:31,847 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_resume [2022-07-21 13:47:31,848 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-07-21 13:47:31,848 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-07-21 13:47:31,848 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_reset_pcie [2022-07-21 13:47:31,848 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_reset_pcie [2022-07-21 13:47:31,848 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 13:47:31,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 13:47:31,848 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-21 13:47:31,849 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-21 13:47:31,849 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_shutdown [2022-07-21 13:47:31,849 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_shutdown [2022-07-21 13:47:31,849 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_set_aspm [2022-07-21 13:47:31,849 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_set_aspm [2022-07-21 13:47:31,849 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-07-21 13:47:31,849 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-07-21 13:47:31,850 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-21 13:47:31,850 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-21 13:47:31,850 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-21 13:47:31,850 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-21 13:47:31,850 INFO L130 BoogieDeclarations]: Found specification of procedure atl1c_read_phy_reg [2022-07-21 13:47:31,850 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1c_read_phy_reg [2022-07-21 13:47:31,850 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-21 13:47:31,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-21 13:47:33,073 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 13:47:33,077 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 13:47:33,357 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 13:48:31,218 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-21 13:48:31,304 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 13:48:31,338 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 13:48:31,338 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-21 13:48:31,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:48:31 BoogieIcfgContainer [2022-07-21 13:48:31,345 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 13:48:31,348 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 13:48:31,348 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 13:48:31,351 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 13:48:31,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:47:23" (1/3) ... [2022-07-21 13:48:31,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28404841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:48:31, skipping insertion in model container [2022-07-21 13:48:31,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:47:30" (2/3) ... [2022-07-21 13:48:31,353 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28404841 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:48:31, skipping insertion in model container [2022-07-21 13:48:31,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:48:31" (3/3) ... [2022-07-21 13:48:31,354 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1c-atl1c.cil.i [2022-07-21 13:48:31,366 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 13:48:31,367 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-07-21 13:48:31,477 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 13:48:31,485 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@7009a11f, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@662b43f3 [2022-07-21 13:48:31,485 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-07-21 13:48:31,502 INFO L276 IsEmpty]: Start isEmpty. Operand has 4065 states, 2760 states have (on average 1.2659420289855072) internal successors, (3494), 2800 states have internal predecessors, (3494), 1138 states have call successors, (1138), 164 states have call predecessors, (1138), 163 states have return successors, (1129), 1121 states have call predecessors, (1129), 1129 states have call successors, (1129) [2022-07-21 13:48:31,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-07-21 13:48:31,527 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:48:31,528 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:48:31,529 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-21 13:48:31,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:48:31,533 INFO L85 PathProgramCache]: Analyzing trace with hash 1966242404, now seen corresponding path program 1 times [2022-07-21 13:48:31,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:48:31,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [755045771] [2022-07-21 13:48:31,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:48:31,546 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:48:31,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:48:31,549 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 13:48:31,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 13:48:33,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:33,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 1753 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:48:33,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:48:34,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-21 13:48:34,085 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:48:34,085 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:48:34,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [755045771] [2022-07-21 13:48:34,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [755045771] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:48:34,086 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:48:34,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:48:34,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621557550] [2022-07-21 13:48:34,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:48:34,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:48:34,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:48:34,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:48:34,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:48:34,127 INFO L87 Difference]: Start difference. First operand has 4065 states, 2760 states have (on average 1.2659420289855072) internal successors, (3494), 2800 states have internal predecessors, (3494), 1138 states have call successors, (1138), 164 states have call predecessors, (1138), 163 states have return successors, (1129), 1121 states have call predecessors, (1129), 1129 states have call successors, (1129) Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-21 13:48:34,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:48:34,914 INFO L93 Difference]: Finished difference Result 12006 states and 17291 transitions. [2022-07-21 13:48:34,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:48:34,918 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 216 [2022-07-21 13:48:34,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:48:35,011 INFO L225 Difference]: With dead ends: 12006 [2022-07-21 13:48:35,012 INFO L226 Difference]: Without dead ends: 7960 [2022-07-21 13:48:35,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:48:35,059 INFO L413 NwaCegarLoop]: 6940 mSDtfsCounter, 5680 mSDsluCounter, 5625 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5680 SdHoareTripleChecker+Valid, 12565 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-21 13:48:35,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5680 Valid, 12565 Invalid, 12 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-21 13:48:35,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7960 states. [2022-07-21 13:48:35,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7960 to 7927. [2022-07-21 13:48:35,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7927 states, 5414 states have (on average 1.2620982637606206) internal successors, (6833), 5498 states have internal predecessors, (6833), 2189 states have call successors, (2189), 324 states have call predecessors, (2189), 320 states have return successors, (2215), 2156 states have call predecessors, (2215), 2185 states have call successors, (2215) [2022-07-21 13:48:35,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7927 states to 7927 states and 11237 transitions. [2022-07-21 13:48:35,924 INFO L78 Accepts]: Start accepts. Automaton has 7927 states and 11237 transitions. Word has length 216 [2022-07-21 13:48:35,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:48:35,928 INFO L495 AbstractCegarLoop]: Abstraction has 7927 states and 11237 transitions. [2022-07-21 13:48:35,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-21 13:48:35,929 INFO L276 IsEmpty]: Start isEmpty. Operand 7927 states and 11237 transitions. [2022-07-21 13:48:35,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-07-21 13:48:35,939 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:48:35,940 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:48:36,006 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-21 13:48:36,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:48:36,156 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-21 13:48:36,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:48:36,156 INFO L85 PathProgramCache]: Analyzing trace with hash 1083475926, now seen corresponding path program 1 times [2022-07-21 13:48:36,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:48:36,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1643437376] [2022-07-21 13:48:36,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:48:36,160 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:48:36,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:48:36,164 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 13:48:36,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 13:48:38,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:38,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 1730 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:48:38,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:48:38,627 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-21 13:48:38,628 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:48:38,628 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:48:38,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1643437376] [2022-07-21 13:48:38,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1643437376] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:48:38,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:48:38,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:48:38,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245428548] [2022-07-21 13:48:38,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:48:38,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:48:38,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:48:38,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:48:38,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:48:38,631 INFO L87 Difference]: Start difference. First operand 7927 states and 11237 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-21 13:48:39,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:48:39,763 INFO L93 Difference]: Finished difference Result 23556 states and 33396 transitions. [2022-07-21 13:48:39,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:48:39,764 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 217 [2022-07-21 13:48:39,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:48:39,908 INFO L225 Difference]: With dead ends: 23556 [2022-07-21 13:48:39,909 INFO L226 Difference]: Without dead ends: 15668 [2022-07-21 13:48:39,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:48:39,963 INFO L413 NwaCegarLoop]: 6795 mSDtfsCounter, 5543 mSDsluCounter, 5653 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5543 SdHoareTripleChecker+Valid, 12448 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-21 13:48:39,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5543 Valid, 12448 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-21 13:48:39,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15668 states. [2022-07-21 13:48:40,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15668 to 15662. [2022-07-21 13:48:40,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15662 states, 10717 states have (on average 1.2624801716898386) internal successors, (13530), 10876 states have internal predecessors, (13530), 4304 states have call successors, (4304), 644 states have call predecessors, (4304), 637 states have return successors, (4360), 4245 states have call predecessors, (4360), 4300 states have call successors, (4360) [2022-07-21 13:48:40,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15662 states to 15662 states and 22194 transitions. [2022-07-21 13:48:40,936 INFO L78 Accepts]: Start accepts. Automaton has 15662 states and 22194 transitions. Word has length 217 [2022-07-21 13:48:40,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:48:40,939 INFO L495 AbstractCegarLoop]: Abstraction has 15662 states and 22194 transitions. [2022-07-21 13:48:40,939 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2022-07-21 13:48:40,942 INFO L276 IsEmpty]: Start isEmpty. Operand 15662 states and 22194 transitions. [2022-07-21 13:48:40,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-07-21 13:48:40,951 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:48:40,951 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:48:41,014 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 13:48:41,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:48:41,165 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-21 13:48:41,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:48:41,165 INFO L85 PathProgramCache]: Analyzing trace with hash 66411930, now seen corresponding path program 1 times [2022-07-21 13:48:41,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:48:41,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1133810511] [2022-07-21 13:48:41,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:48:41,168 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:48:41,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:48:41,170 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 13:48:41,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 13:48:43,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:43,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 1820 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:48:43,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:48:43,893 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-21 13:48:43,893 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:48:43,893 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:48:43,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1133810511] [2022-07-21 13:48:43,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1133810511] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:48:43,894 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:48:43,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:48:43,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870249778] [2022-07-21 13:48:43,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:48:43,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:48:43,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:48:43,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:48:43,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:48:43,896 INFO L87 Difference]: Start difference. First operand 15662 states and 22194 transitions. Second operand has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-21 13:48:45,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:48:45,165 INFO L93 Difference]: Finished difference Result 46576 states and 66370 transitions. [2022-07-21 13:48:45,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:48:45,166 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 236 [2022-07-21 13:48:45,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:48:45,391 INFO L225 Difference]: With dead ends: 46576 [2022-07-21 13:48:45,391 INFO L226 Difference]: Without dead ends: 30953 [2022-07-21 13:48:45,636 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:48:45,636 INFO L413 NwaCegarLoop]: 6835 mSDtfsCounter, 5658 mSDsluCounter, 5611 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5658 SdHoareTripleChecker+Valid, 12446 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-21 13:48:45,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5658 Valid, 12446 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-21 13:48:45,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30953 states. [2022-07-21 13:48:47,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30953 to 30914. [2022-07-21 13:48:47,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30914 states, 21175 states have (on average 1.2633766233766235) internal successors, (26752), 21498 states have internal predecessors, (26752), 8480 states have call successors, (8480), 1278 states have call predecessors, (8480), 1255 states have return successors, (8934), 8337 states have call predecessors, (8934), 8476 states have call successors, (8934) [2022-07-21 13:48:47,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30914 states to 30914 states and 44166 transitions. [2022-07-21 13:48:47,522 INFO L78 Accepts]: Start accepts. Automaton has 30914 states and 44166 transitions. Word has length 236 [2022-07-21 13:48:47,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:48:47,523 INFO L495 AbstractCegarLoop]: Abstraction has 30914 states and 44166 transitions. [2022-07-21 13:48:47,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-21 13:48:47,523 INFO L276 IsEmpty]: Start isEmpty. Operand 30914 states and 44166 transitions. [2022-07-21 13:48:47,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-07-21 13:48:47,532 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:48:47,533 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:48:47,592 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 13:48:47,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:48:47,751 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-21 13:48:47,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:48:47,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1136013535, now seen corresponding path program 1 times [2022-07-21 13:48:47,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:48:47,755 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [390334268] [2022-07-21 13:48:47,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:48:47,755 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:48:47,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:48:47,758 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 13:48:47,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 13:48:50,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:50,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 1832 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:48:50,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:48:50,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-21 13:48:50,691 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:48:50,691 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:48:50,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [390334268] [2022-07-21 13:48:50,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [390334268] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:48:50,691 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:48:50,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:48:50,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077379234] [2022-07-21 13:48:50,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:48:50,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:48:50,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:48:50,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:48:50,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:48:50,693 INFO L87 Difference]: Start difference. First operand 30914 states and 44166 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-21 13:48:53,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:48:53,116 INFO L93 Difference]: Finished difference Result 84752 states and 120899 transitions. [2022-07-21 13:48:53,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:48:53,116 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 242 [2022-07-21 13:48:53,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:48:53,597 INFO L225 Difference]: With dead ends: 84752 [2022-07-21 13:48:53,598 INFO L226 Difference]: Without dead ends: 53877 [2022-07-21 13:48:53,728 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:48:53,729 INFO L413 NwaCegarLoop]: 6544 mSDtfsCounter, 4205 mSDsluCounter, 5598 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4205 SdHoareTripleChecker+Valid, 12142 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-21 13:48:53,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4205 Valid, 12142 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-21 13:48:53,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53877 states. [2022-07-21 13:48:56,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53877 to 53838. [2022-07-21 13:48:56,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53838 states, 36815 states have (on average 1.2625288605188103) internal successors, (46480), 37396 states have internal predecessors, (46480), 14656 states have call successors, (14656), 2410 states have call predecessors, (14656), 2363 states have return successors, (15562), 14371 states have call predecessors, (15562), 14652 states have call successors, (15562) [2022-07-21 13:48:57,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53838 states to 53838 states and 76698 transitions. [2022-07-21 13:48:57,343 INFO L78 Accepts]: Start accepts. Automaton has 53838 states and 76698 transitions. Word has length 242 [2022-07-21 13:48:57,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:48:57,344 INFO L495 AbstractCegarLoop]: Abstraction has 53838 states and 76698 transitions. [2022-07-21 13:48:57,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-21 13:48:57,345 INFO L276 IsEmpty]: Start isEmpty. Operand 53838 states and 76698 transitions. [2022-07-21 13:48:57,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2022-07-21 13:48:57,352 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:48:57,352 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 17, 17, 17, 17, 17, 17, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:48:57,418 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-21 13:48:57,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:48:57,567 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-21 13:48:57,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:48:57,568 INFO L85 PathProgramCache]: Analyzing trace with hash -2024183927, now seen corresponding path program 1 times [2022-07-21 13:48:57,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:48:57,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [660481218] [2022-07-21 13:48:57,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:48:57,571 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:48:57,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:48:57,573 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 13:48:57,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 13:48:59,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:48:59,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 1792 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:48:59,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:48:59,997 INFO L134 CoverageAnalysis]: Checked inductivity of 1338 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 1224 trivial. 0 not checked. [2022-07-21 13:48:59,998 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:48:59,998 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:48:59,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [660481218] [2022-07-21 13:48:59,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [660481218] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:48:59,998 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:48:59,998 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:48:59,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044031942] [2022-07-21 13:48:59,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:48:59,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:48:59,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:48:59,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:49:00,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:49:00,000 INFO L87 Difference]: Start difference. First operand 53838 states and 76698 transitions. Second operand has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-21 13:49:02,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:49:02,073 INFO L93 Difference]: Finished difference Result 121594 states and 173086 transitions. [2022-07-21 13:49:02,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:49:02,075 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 241 [2022-07-21 13:49:02,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:49:02,701 INFO L225 Difference]: With dead ends: 121594 [2022-07-21 13:49:02,701 INFO L226 Difference]: Without dead ends: 67795 [2022-07-21 13:49:02,884 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:49:02,885 INFO L413 NwaCegarLoop]: 6926 mSDtfsCounter, 5628 mSDsluCounter, 5698 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5628 SdHoareTripleChecker+Valid, 12624 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-21 13:49:02,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5628 Valid, 12624 Invalid, 17 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-21 13:49:02,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67795 states. [2022-07-21 13:49:05,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67795 to 67748. [2022-07-21 13:49:05,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67748 states, 46302 states have (on average 1.2616085698241977) internal successors, (58415), 47054 states have internal predecessors, (58415), 18446 states have call successors, (18446), 3052 states have call predecessors, (18446), 2996 states have return successors, (19489), 18071 states have call predecessors, (19489), 18442 states have call successors, (19489) [2022-07-21 13:49:06,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67748 states to 67748 states and 96350 transitions. [2022-07-21 13:49:06,298 INFO L78 Accepts]: Start accepts. Automaton has 67748 states and 96350 transitions. Word has length 241 [2022-07-21 13:49:06,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:49:06,299 INFO L495 AbstractCegarLoop]: Abstraction has 67748 states and 96350 transitions. [2022-07-21 13:49:06,300 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.333333333333332) internal successors, (67), 3 states have internal predecessors, (67), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-21 13:49:06,300 INFO L276 IsEmpty]: Start isEmpty. Operand 67748 states and 96350 transitions. [2022-07-21 13:49:06,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2022-07-21 13:49:06,307 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:49:06,307 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 17, 17, 17, 17, 17, 17, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:49:06,367 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-21 13:49:06,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:49:06,527 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-21 13:49:06,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:49:06,528 INFO L85 PathProgramCache]: Analyzing trace with hash 330946741, now seen corresponding path program 1 times [2022-07-21 13:49:06,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:49:06,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1658725584] [2022-07-21 13:49:06,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:49:06,531 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:49:06,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:49:06,533 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) [2022-07-21 13:49:06,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-21 13:49:08,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:49:08,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 1912 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:49:08,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:49:08,969 INFO L134 CoverageAnalysis]: Checked inductivity of 1278 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 1227 trivial. 0 not checked. [2022-07-21 13:49:08,969 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:49:08,969 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:49:08,969 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1658725584] [2022-07-21 13:49:08,969 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1658725584] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:49:08,969 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:49:08,970 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:49:08,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644195808] [2022-07-21 13:49:08,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:49:08,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:49:08,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:49:08,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:49:08,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:49:08,971 INFO L87 Difference]: Start difference. First operand 67748 states and 96350 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-21 13:49:13,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:49:13,223 INFO L93 Difference]: Finished difference Result 198170 states and 281191 transitions. [2022-07-21 13:49:13,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:49:13,224 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 252 [2022-07-21 13:49:13,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:49:13,996 INFO L225 Difference]: With dead ends: 198170 [2022-07-21 13:49:13,997 INFO L226 Difference]: Without dead ends: 130461 [2022-07-21 13:49:14,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:49:14,223 INFO L413 NwaCegarLoop]: 7595 mSDtfsCounter, 5321 mSDsluCounter, 5618 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5321 SdHoareTripleChecker+Valid, 13213 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-21 13:49:14,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5321 Valid, 13213 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-21 13:49:14,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130461 states. [2022-07-21 13:49:19,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130461 to 130390. [2022-07-21 13:49:19,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130390 states, 88929 states have (on average 1.256721654353473) internal successors, (111759), 90300 states have internal predecessors, (111759), 35553 states have call successors, (35553), 6015 states have call predecessors, (35553), 5904 states have return successors, (36923), 34872 states have call predecessors, (36923), 35549 states have call successors, (36923) [2022-07-21 13:49:19,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130390 states to 130390 states and 184235 transitions. [2022-07-21 13:49:19,998 INFO L78 Accepts]: Start accepts. Automaton has 130390 states and 184235 transitions. Word has length 252 [2022-07-21 13:49:19,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:49:19,999 INFO L495 AbstractCegarLoop]: Abstraction has 130390 states and 184235 transitions. [2022-07-21 13:49:19,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-21 13:49:19,999 INFO L276 IsEmpty]: Start isEmpty. Operand 130390 states and 184235 transitions. [2022-07-21 13:49:20,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2022-07-21 13:49:20,397 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:49:20,397 INFO L195 NwaCegarLoop]: trace histogram [21, 21, 17, 17, 17, 17, 17, 17, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:49:20,486 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-21 13:49:20,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:49:20,598 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-21 13:49:20,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:49:20,598 INFO L85 PathProgramCache]: Analyzing trace with hash -484281431, now seen corresponding path program 1 times [2022-07-21 13:49:20,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:49:20,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [672739659] [2022-07-21 13:49:20,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:49:20,601 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:49:20,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:49:20,602 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) [2022-07-21 13:49:20,603 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-21 13:49:22,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:49:22,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 1857 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 13:49:22,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:49:26,713 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1482 trivial. 0 not checked. [2022-07-21 13:49:26,714 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:49:26,714 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:49:26,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [672739659] [2022-07-21 13:49:26,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [672739659] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:49:26,714 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:49:26,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 13:49:26,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514018872] [2022-07-21 13:49:26,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:49:26,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:49:26,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:49:26,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:49:26,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:49:26,716 INFO L87 Difference]: Start difference. First operand 130390 states and 184235 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-07-21 13:49:29,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:49:29,657 INFO L93 Difference]: Finished difference Result 130396 states and 184240 transitions. [2022-07-21 13:49:29,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 13:49:29,658 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 275 [2022-07-21 13:49:29,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:49:30,439 INFO L225 Difference]: With dead ends: 130396 [2022-07-21 13:49:30,439 INFO L226 Difference]: Without dead ends: 130394 [2022-07-21 13:49:30,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-21 13:49:30,498 INFO L413 NwaCegarLoop]: 5709 mSDtfsCounter, 5605 mSDsluCounter, 11402 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5606 SdHoareTripleChecker+Valid, 17111 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 13:49:30,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5606 Valid, 17111 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 13:49:30,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130394 states. [2022-07-21 13:49:35,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130394 to 130394. [2022-07-21 13:49:35,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130394 states, 88932 states have (on average 1.2567129941978141) internal successors, (111762), 90303 states have internal predecessors, (111762), 35553 states have call successors, (35553), 6016 states have call predecessors, (35553), 5905 states have return successors, (36923), 34872 states have call predecessors, (36923), 35549 states have call successors, (36923) [2022-07-21 13:49:36,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130394 states to 130394 states and 184238 transitions. [2022-07-21 13:49:36,490 INFO L78 Accepts]: Start accepts. Automaton has 130394 states and 184238 transitions. Word has length 275 [2022-07-21 13:49:36,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:49:36,491 INFO L495 AbstractCegarLoop]: Abstraction has 130394 states and 184238 transitions. [2022-07-21 13:49:36,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 3 states have internal predecessors, (64), 1 states have call successors, (28), 2 states have call predecessors, (28), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-07-21 13:49:36,492 INFO L276 IsEmpty]: Start isEmpty. Operand 130394 states and 184238 transitions. [2022-07-21 13:49:36,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2022-07-21 13:49:36,502 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:49:36,503 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 17, 17, 17, 17, 17, 17, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:49:36,559 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-21 13:49:36,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:49:36,724 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-21 13:49:36,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:49:36,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1523433992, now seen corresponding path program 1 times [2022-07-21 13:49:36,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:49:36,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [940336137] [2022-07-21 13:49:36,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:49:36,726 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:49:36,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:49:36,727 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 13:49:36,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-21 13:49:38,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:49:38,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 1945 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:49:38,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:49:39,094 INFO L134 CoverageAnalysis]: Checked inductivity of 1339 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 1227 trivial. 0 not checked. [2022-07-21 13:49:39,095 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:49:39,095 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:49:39,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [940336137] [2022-07-21 13:49:39,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [940336137] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:49:39,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:49:39,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:49:39,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968626410] [2022-07-21 13:49:39,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:49:39,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:49:39,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:49:39,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:49:39,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:49:39,097 INFO L87 Difference]: Start difference. First operand 130394 states and 184238 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-21 13:49:46,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:49:46,396 INFO L93 Difference]: Finished difference Result 350028 states and 494297 transitions. [2022-07-21 13:49:46,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:49:46,396 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 277 [2022-07-21 13:49:46,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:49:48,266 INFO L225 Difference]: With dead ends: 350028 [2022-07-21 13:49:48,267 INFO L226 Difference]: Without dead ends: 219673 [2022-07-21 13:49:48,873 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 276 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:49:48,874 INFO L413 NwaCegarLoop]: 7492 mSDtfsCounter, 5539 mSDsluCounter, 5667 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5539 SdHoareTripleChecker+Valid, 13159 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-21 13:49:48,874 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5539 Valid, 13159 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]