./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-jme.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-jme.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 2ed7e65f4873f721e135371f2b64bea53a61355f60220cd3c965b9b34f2d17e4 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 13:50:28,805 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 13:50:28,807 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 13:50:28,838 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 13:50:28,839 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 13:50:28,840 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 13:50:28,842 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 13:50:28,845 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 13:50:28,846 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 13:50:28,849 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 13:50:28,851 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 13:50:28,854 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 13:50:28,854 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 13:50:28,856 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 13:50:28,857 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 13:50:28,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 13:50:28,861 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 13:50:28,863 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 13:50:28,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 13:50:28,868 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 13:50:28,870 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 13:50:28,871 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 13:50:28,872 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 13:50:28,873 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 13:50:28,874 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 13:50:28,877 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 13:50:28,877 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 13:50:28,877 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 13:50:28,878 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 13:50:28,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 13:50:28,880 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 13:50:28,880 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 13:50:28,882 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 13:50:28,882 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 13:50:28,883 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 13:50:28,884 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 13:50:28,884 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 13:50:28,884 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 13:50:28,885 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 13:50:28,885 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 13:50:28,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 13:50:28,887 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 13:50:28,891 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 13:50:28,916 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 13:50:28,916 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 13:50:28,916 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 13:50:28,916 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 13:50:28,917 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 13:50:28,917 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 13:50:28,918 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 13:50:28,918 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 13:50:28,918 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 13:50:28,919 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 13:50:28,919 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 13:50:28,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 13:50:28,919 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 13:50:28,919 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 13:50:28,920 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 13:50:28,920 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 13:50:28,920 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 13:50:28,920 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 13:50:28,920 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 13:50:28,920 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 13:50:28,921 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 13:50:28,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 13:50:28,921 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 13:50:28,921 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 13:50:28,921 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 13:50:28,921 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 13:50:28,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 13:50:28,922 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 13:50:28,922 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 13:50:28,922 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 13:50:28,922 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ed7e65f4873f721e135371f2b64bea53a61355f60220cd3c965b9b34f2d17e4 [2022-07-21 13:50:29,177 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 13:50:29,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 13:50:29,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 13:50:29,200 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 13:50:29,201 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 13:50:29,202 INFO L432 ainManager$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-jme.cil.i [2022-07-21 13:50:29,260 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1920ab4ac/67cd15d0331c47e2bdda0d61f54f1049/FLAGc36e375eb [2022-07-21 13:50:29,990 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 13:50:29,991 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-jme.cil.i [2022-07-21 13:50:30,046 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1920ab4ac/67cd15d0331c47e2bdda0d61f54f1049/FLAGc36e375eb [2022-07-21 13:50:30,527 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1920ab4ac/67cd15d0331c47e2bdda0d61f54f1049 [2022-07-21 13:50:30,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 13:50:30,530 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 13:50:30,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 13:50:30,532 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 13:50:30,534 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 13:50:30,535 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:50:30" (1/1) ... [2022-07-21 13:50:30,536 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ba97ff2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:50:30, skipping insertion in model container [2022-07-21 13:50:30,536 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:50:30" (1/1) ... [2022-07-21 13:50:30,541 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 13:50:30,654 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 13:50:34,377 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-jme.cil.i[464820,464833] [2022-07-21 13:50:34,380 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-jme.cil.i[464989,465002] [2022-07-21 13:50:34,381 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-jme.cil.i[465156,465169] [2022-07-21 13:50:34,381 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-jme.cil.i[465324,465337] [2022-07-21 13:50:34,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:50:34,441 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 13:50:34,630 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: reg = reg & 4043309055U [10155] 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: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 13:50:34,635 INFO L158 Benchmark]: Toolchain (without parser) took 4104.68ms. Allocated memory was 60.8MB in the beginning and 125.8MB in the end (delta: 65.0MB). Free memory was 34.2MB in the beginning and 43.5MB in the end (delta: -9.2MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. [2022-07-21 13:50:34,636 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 60.8MB. Free memory was 43.1MB in the beginning and 43.1MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 13:50:34,637 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4102.11ms. Allocated memory was 60.8MB in the beginning and 125.8MB in the end (delta: 65.0MB). Free memory was 34.0MB in the beginning and 43.5MB in the end (delta: -9.4MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. [2022-07-21 13:50:34,639 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 60.8MB. Free memory was 43.1MB in the beginning and 43.1MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4102.11ms. Allocated memory was 60.8MB in the beginning and 125.8MB in the end (delta: 65.0MB). Free memory was 34.0MB in the beginning and 43.5MB in the end (delta: -9.4MB). Peak memory consumption was 63.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: reg = reg & 4043309055U [10155] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: reg = reg & 4043309055U [10155]: 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-jme.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 2ed7e65f4873f721e135371f2b64bea53a61355f60220cd3c965b9b34f2d17e4 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 13:50:36,112 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 13:50:36,113 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 13:50:36,149 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 13:50:36,150 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 13:50:36,152 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 13:50:36,156 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 13:50:36,160 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 13:50:36,162 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 13:50:36,163 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 13:50:36,164 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 13:50:36,165 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 13:50:36,166 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 13:50:36,169 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 13:50:36,170 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 13:50:36,171 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 13:50:36,173 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 13:50:36,178 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 13:50:36,179 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 13:50:36,184 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 13:50:36,185 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 13:50:36,200 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 13:50:36,201 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 13:50:36,202 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 13:50:36,202 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 13:50:36,204 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 13:50:36,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 13:50:36,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 13:50:36,205 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 13:50:36,206 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 13:50:36,206 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 13:50:36,206 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 13:50:36,207 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 13:50:36,208 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 13:50:36,208 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 13:50:36,209 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 13:50:36,209 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 13:50:36,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 13:50:36,210 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 13:50:36,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 13:50:36,210 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 13:50:36,213 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 13:50:36,214 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 13:50:36,242 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 13:50:36,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 13:50:36,244 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 13:50:36,244 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 13:50:36,244 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 13:50:36,244 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 13:50:36,245 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 13:50:36,245 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 13:50:36,245 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 13:50:36,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 13:50:36,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 13:50:36,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 13:50:36,247 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 13:50:36,247 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 13:50:36,247 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 13:50:36,247 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 13:50:36,247 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 13:50:36,247 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 13:50:36,247 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 13:50:36,248 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 13:50:36,248 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 13:50:36,248 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 13:50:36,248 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 13:50:36,248 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 13:50:36,248 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 13:50:36,249 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 13:50:36,249 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 13:50:36,249 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 13:50:36,249 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 13:50:36,249 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 13:50:36,249 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 13:50:36,250 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 13:50:36,250 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 13:50:36,250 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ed7e65f4873f721e135371f2b64bea53a61355f60220cd3c965b9b34f2d17e4 [2022-07-21 13:50:36,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 13:50:36,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 13:50:36,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 13:50:36,527 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 13:50:36,528 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 13:50:36,529 INFO L432 ainManager$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-jme.cil.i [2022-07-21 13:50:36,571 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c76e5c91/fa4da41186fc4d00a4576709732e149a/FLAG97b537a54 [2022-07-21 13:50:37,354 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 13:50:37,355 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-jme.cil.i [2022-07-21 13:50:37,405 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c76e5c91/fa4da41186fc4d00a4576709732e149a/FLAG97b537a54 [2022-07-21 13:50:37,895 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c76e5c91/fa4da41186fc4d00a4576709732e149a [2022-07-21 13:50:37,898 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 13:50:37,900 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 13:50:37,901 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 13:50:37,901 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 13:50:37,904 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 13:50:37,905 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:50:37" (1/1) ... [2022-07-21 13:50:37,906 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a78e689 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:50:37, skipping insertion in model container [2022-07-21 13:50:37,906 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:50:37" (1/1) ... [2022-07-21 13:50:37,911 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 13:50:38,043 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 13:50:41,487 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-jme.cil.i[464820,464833] [2022-07-21 13:50:41,490 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-jme.cil.i[464989,465002] [2022-07-21 13:50:41,490 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-jme.cil.i[465156,465169] [2022-07-21 13:50:41,490 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-jme.cil.i[465324,465337] [2022-07-21 13:50:41,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:50:41,532 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 13:50:41,684 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 13:50:41,920 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-jme.cil.i[464820,464833] [2022-07-21 13:50:41,925 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-jme.cil.i[464989,465002] [2022-07-21 13:50:41,925 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-jme.cil.i[465156,465169] [2022-07-21 13:50:41,926 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-jme.cil.i[465324,465337] [2022-07-21 13:50:41,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:50:41,968 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 13:50:42,304 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-jme.cil.i[464820,464833] [2022-07-21 13:50:42,304 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-jme.cil.i[464989,465002] [2022-07-21 13:50:42,305 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-jme.cil.i[465156,465169] [2022-07-21 13:50:42,305 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-jme.cil.i[465324,465337] [2022-07-21 13:50:42,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:50:42,551 INFO L208 MainTranslator]: Completed translation [2022-07-21 13:50:42,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:50:42 WrapperNode [2022-07-21 13:50:42,552 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 13:50:42,552 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 13:50:42,553 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 13:50:42,553 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 13:50:42,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:50:42" (1/1) ... [2022-07-21 13:50:42,636 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:50:42" (1/1) ... [2022-07-21 13:50:42,773 INFO L137 Inliner]: procedures = 677, calls = 2943, calls flagged for inlining = 321, calls inlined = 256, statements flattened = 5801 [2022-07-21 13:50:42,773 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 13:50:42,774 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 13:50:42,774 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 13:50:42,774 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 13:50:42,780 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:50:42" (1/1) ... [2022-07-21 13:50:42,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:50:42" (1/1) ... [2022-07-21 13:50:42,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:50:42" (1/1) ... [2022-07-21 13:50:42,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:50:42" (1/1) ... [2022-07-21 13:50:42,879 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:50:42" (1/1) ... [2022-07-21 13:50:42,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:50:42" (1/1) ... [2022-07-21 13:50:42,935 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:50:42" (1/1) ... [2022-07-21 13:50:42,968 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 13:50:42,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 13:50:42,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 13:50:42,970 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 13:50:42,971 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:50:42" (1/1) ... [2022-07-21 13:50:42,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 13:50:42,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 13:50:43,009 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 13:50:43,017 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 13:50:43,041 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-21 13:50:43,041 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-21 13:50:43,041 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-07-21 13:50:43,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-07-21 13:50:43,042 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-07-21 13:50:43,042 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-07-21 13:50:43,042 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-21 13:50:43,042 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-21 13:50:43,042 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_mac_processor [2022-07-21 13:50:43,042 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_mac_processor [2022-07-21 13:50:43,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 13:50:43,042 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 13:50:43,043 INFO L130 BoogieDeclarations]: Found specification of procedure jwrite32 [2022-07-21 13:50:43,043 INFO L138 BoogieDeclarations]: Found implementation of procedure jwrite32 [2022-07-21 13:50:43,043 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-07-21 13:50:43,043 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-07-21 13:50:43,043 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_regs_len [2022-07-21 13:50:43,043 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_regs_len [2022-07-21 13:50:43,043 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-21 13:50:43,044 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-21 13:50:43,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 13:50:43,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 13:50:43,044 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_txclk_on [2022-07-21 13:50:43,044 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_txclk_on [2022-07-21 13:50:43,044 INFO L130 BoogieDeclarations]: Found specification of procedure jme_disable_rx_engine [2022-07-21 13:50:43,045 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_disable_rx_engine [2022-07-21 13:50:43,045 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-21 13:50:43,045 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-21 13:50:43,045 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-07-21 13:50:43,045 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-07-21 13:50:43,045 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-21 13:50:43,045 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-21 13:50:43,046 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-21 13:50:43,046 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-21 13:50:43,046 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-21 13:50:43,046 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-21 13:50:43,046 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_link [2022-07-21 13:50:43,047 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_link [2022-07-21 13:50:43,047 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 13:50:43,047 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 13:50:43,047 INFO L130 BoogieDeclarations]: Found specification of procedure jme_netpoll [2022-07-21 13:50:43,048 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_netpoll [2022-07-21 13:50:43,048 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2022-07-21 13:50:43,048 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_page [2022-07-21 13:50:43,049 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-21 13:50:43,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-21 13:50:43,049 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-21 13:50:43,049 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-21 13:50:43,049 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 13:50:43,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-21 13:50:43,050 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-21 13:50:43,050 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-21 13:50:43,050 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-21 13:50:43,050 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-21 13:50:43,050 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-07-21 13:50:43,050 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-21 13:50:43,050 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-21 13:50:43,051 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 13:50:43,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 13:50:43,051 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-07-21 13:50:43,052 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-07-21 13:50:43,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 13:50:43,052 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-21 13:50:43,052 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-21 13:50:43,052 INFO L130 BoogieDeclarations]: Found specification of procedure jread32 [2022-07-21 13:50:43,118 INFO L138 BoogieDeclarations]: Found implementation of procedure jread32 [2022-07-21 13:50:43,119 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2022-07-21 13:50:43,119 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2022-07-21 13:50:43,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 13:50:43,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 13:50:43,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 13:50:43,119 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2022-07-21 13:50:43,119 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-21 13:50:43,119 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-21 13:50:43,119 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_rx_pcc [2022-07-21 13:50:43,119 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_rx_pcc [2022-07-21 13:50:43,119 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-21 13:50:43,119 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-21 13:50:43,119 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-07-21 13:50:43,119 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-07-21 13:50:43,119 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_unicastaddr [2022-07-21 13:50:43,119 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_unicastaddr [2022-07-21 13:50:43,119 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 13:50:43,119 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 13:50:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-21 13:50:43,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-21 13:50:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-21 13:50:43,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-21 13:50:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_calibration [2022-07-21 13:50:43,120 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_calibration [2022-07-21 13:50:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-21 13:50:43,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-21 13:50:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_82 [2022-07-21 13:50:43,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_82 [2022-07-21 13:50:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure jme_restart_rx_engine [2022-07-21 13:50:43,120 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_restart_rx_engine [2022-07-21 13:50:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_80 [2022-07-21 13:50:43,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_80 [2022-07-21 13:50:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 13:50:43,120 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 13:50:43,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_88 [2022-07-21 13:50:43,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_88 [2022-07-21 13:50:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-21 13:50:43,121 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-21 13:50:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-21 13:50:43,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-21 13:50:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-21 13:50:43,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-21 13:50:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_hi_schedule [2022-07-21 13:50:43,121 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_hi_schedule [2022-07-21 13:50:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-07-21 13:50:43,121 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-07-21 13:50:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-21 13:50:43,121 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-21 13:50:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure jme_linkstat_from_phy [2022-07-21 13:50:43,121 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_linkstat_from_phy [2022-07-21 13:50:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mdio_write [2022-07-21 13:50:43,121 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mdio_write [2022-07-21 13:50:43,121 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_on [2022-07-21 13:50:43,122 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_on [2022-07-21 13:50:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-21 13:50:43,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-21 13:50:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 13:50:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-21 13:50:43,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-21 13:50:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-21 13:50:43,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-21 13:50:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-21 13:50:43,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-21 13:50:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-07-21 13:50:43,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-07-21 13:50:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure smi_phy_addr [2022-07-21 13:50:43,122 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_phy_addr [2022-07-21 13:50:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 13:50:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 13:50:43,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 13:50:43,122 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 13:50:43,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 13:50:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 13:50:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-07-21 13:50:43,123 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-07-21 13:50:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 13:50:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-21 13:50:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 13:50:43,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 13:50:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 13:50:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-21 13:50:43,123 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-21 13:50:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-07-21 13:50:43,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-07-21 13:50:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure reg_dbg [2022-07-21 13:50:43,123 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_dbg [2022-07-21 13:50:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 13:50:43,123 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 13:50:43,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-21 13:50:43,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-21 13:50:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-21 13:50:43,124 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-21 13:50:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-21 13:50:43,124 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-21 13:50:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 13:50:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure jme_start_irq [2022-07-21 13:50:43,124 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_start_irq [2022-07-21 13:50:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-07-21 13:50:43,124 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-07-21 13:50:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 13:50:43,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 13:50:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-21 13:50:43,124 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-21 13:50:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-21 13:50:43,124 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-21 13:50:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 13:50:43,124 INFO L130 BoogieDeclarations]: Found specification of procedure jme_fill_tx_map [2022-07-21 13:50:43,125 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_fill_tx_map [2022-07-21 13:50:43,125 INFO L130 BoogieDeclarations]: Found specification of procedure jme_free_tx_resources [2022-07-21 13:50:43,125 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_free_tx_resources [2022-07-21 13:50:43,125 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-21 13:50:43,125 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-21 13:50:43,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-21 13:50:43,125 INFO L130 BoogieDeclarations]: Found specification of procedure jme_polling_mode [2022-07-21 13:50:43,125 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_polling_mode [2022-07-21 13:50:43,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 13:50:43,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 13:50:43,125 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable_pending [2022-07-21 13:50:43,125 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable_pending [2022-07-21 13:50:43,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 13:50:43,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 13:50:43,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 13:50:43,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 13:50:43,125 INFO L130 BoogieDeclarations]: Found specification of procedure jme_remove_one [2022-07-21 13:50:43,125 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_remove_one [2022-07-21 13:50:43,125 INFO L130 BoogieDeclarations]: Found specification of procedure jme_powersave_phy [2022-07-21 13:50:43,126 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_powersave_phy [2022-07-21 13:50:43,126 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_rxclk_on [2022-07-21 13:50:43,126 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_rxclk_on [2022-07-21 13:50:43,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_jme_cleanup_module_13_2 [2022-07-21 13:50:43,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_jme_cleanup_module_13_2 [2022-07-21 13:50:43,126 INFO L130 BoogieDeclarations]: Found specification of procedure new_phy_power_ctrl [2022-07-21 13:50:43,126 INFO L138 BoogieDeclarations]: Found implementation of procedure new_phy_power_ctrl [2022-07-21 13:50:43,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-21 13:50:43,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-21 13:50:43,126 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-21 13:50:43,126 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-21 13:50:43,126 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-07-21 13:50:43,126 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-07-21 13:50:43,126 INFO L130 BoogieDeclarations]: Found specification of procedure jme_intr_msi [2022-07-21 13:50:43,126 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_intr_msi [2022-07-21 13:50:43,126 INFO L130 BoogieDeclarations]: Found specification of procedure jwrite32f [2022-07-21 13:50:43,126 INFO L138 BoogieDeclarations]: Found implementation of procedure jwrite32f [2022-07-21 13:50:43,126 INFO L130 BoogieDeclarations]: Found specification of procedure smi_reg_addr [2022-07-21 13:50:43,127 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_reg_addr [2022-07-21 13:50:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_settings [2022-07-21 13:50:43,127 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_settings [2022-07-21 13:50:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-21 13:50:43,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-21 13:50:43,127 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-21 13:50:43,129 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-21 13:50:43,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 13:50:43,129 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 13:50:43,129 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-21 13:50:43,129 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-21 13:50:43,129 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-21 13:50:43,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-21 13:50:43,129 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-07-21 13:50:43,130 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-07-21 13:50:43,130 INFO L130 BoogieDeclarations]: Found specification of procedure jme_nway_reset [2022-07-21 13:50:43,130 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_nway_reset [2022-07-21 13:50:43,130 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-21 13:50:43,130 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-21 13:50:43,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 13:50:43,131 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-07-21 13:50:43,133 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-07-21 13:50:43,133 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-21 13:50:43,133 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-21 13:50:43,133 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 13:50:43,133 INFO L130 BoogieDeclarations]: Found specification of procedure jme_free_rx_resources [2022-07-21 13:50:43,133 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_free_rx_resources [2022-07-21 13:50:43,134 INFO L130 BoogieDeclarations]: Found specification of procedure jme_resume [2022-07-21 13:50:43,134 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_resume [2022-07-21 13:50:43,134 INFO L130 BoogieDeclarations]: Found specification of procedure jme_tx_timeout [2022-07-21 13:50:43,138 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_tx_timeout [2022-07-21 13:50:43,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-21 13:50:43,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 13:50:43,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 13:50:43,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 13:50:43,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 13:50:43,139 INFO L130 BoogieDeclarations]: Found specification of procedure jme_disable_tx_engine [2022-07-21 13:50:43,139 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_disable_tx_engine [2022-07-21 13:50:43,139 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-21 13:50:43,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-21 13:50:43,139 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2022-07-21 13:50:43,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2022-07-21 13:50:43,139 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-21 13:50:43,140 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-21 13:50:43,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-21 13:50:43,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-21 13:50:43,140 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_txclk_off [2022-07-21 13:50:43,140 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_txclk_off [2022-07-21 13:50:43,140 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_setEA [2022-07-21 13:50:43,140 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_setEA [2022-07-21 13:50:43,140 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-07-21 13:50:43,140 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-07-21 13:50:43,141 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_multi [2022-07-21 13:50:43,141 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_multi [2022-07-21 13:50:43,141 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-21 13:50:43,141 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-21 13:50:43,141 INFO L130 BoogieDeclarations]: Found specification of procedure mmapio_memcpy [2022-07-21 13:50:43,141 INFO L138 BoogieDeclarations]: Found implementation of procedure mmapio_memcpy [2022-07-21 13:50:43,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_87 [2022-07-21 13:50:43,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_87 [2022-07-21 13:50:43,141 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-21 13:50:43,141 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-21 13:50:43,142 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-21 13:50:43,142 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-21 13:50:43,142 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_specreg_read [2022-07-21 13:50:43,142 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_specreg_read [2022-07-21 13:50:43,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_81 [2022-07-21 13:50:43,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_81 [2022-07-21 13:50:43,142 INFO L130 BoogieDeclarations]: Found specification of procedure jme_clear_pm [2022-07-21 13:50:43,142 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_clear_pm [2022-07-21 13:50:43,142 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2022-07-21 13:50:43,143 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2022-07-21 13:50:43,143 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 13:50:43,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 13:50:43,143 INFO L130 BoogieDeclarations]: Found specification of procedure jme_close [2022-07-21 13:50:43,143 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_close [2022-07-21 13:50:43,143 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-21 13:50:43,143 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-21 13:50:43,143 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_79 [2022-07-21 13:50:43,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_79 [2022-07-21 13:50:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-21 13:50:43,144 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-21 13:50:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure jme_stop_irq [2022-07-21 13:50:43,144 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_stop_irq [2022-07-21 13:50:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 13:50:43,144 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 13:50:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure jme_shutdown [2022-07-21 13:50:43,144 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_shutdown [2022-07-21 13:50:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 13:50:43,144 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_rxclk_off [2022-07-21 13:50:43,145 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_rxclk_off [2022-07-21 13:50:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-21 13:50:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 13:50:43,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 13:50:43,146 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_phy_processor [2022-07-21 13:50:43,146 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_phy_processor [2022-07-21 13:50:43,146 INFO L130 BoogieDeclarations]: Found specification of procedure jme_suspend [2022-07-21 13:50:43,146 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_suspend [2022-07-21 13:50:43,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 13:50:43,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 13:50:43,146 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_specreg_write [2022-07-21 13:50:43,146 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_specreg_write [2022-07-21 13:50:43,147 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-21 13:50:43,147 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-21 13:50:43,147 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_off [2022-07-21 13:50:43,147 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_off [2022-07-21 13:50:43,147 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_phyfifo_5level [2022-07-21 13:50:43,147 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_phyfifo_5level [2022-07-21 13:50:43,147 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-21 13:50:43,147 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-21 13:50:43,147 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-21 13:50:43,147 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-21 13:50:43,148 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_eeprom_len [2022-07-21 13:50:43,148 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_eeprom_len [2022-07-21 13:50:43,148 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2022-07-21 13:50:43,148 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2022-07-21 13:50:43,148 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 13:50:43,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 13:50:43,148 INFO L130 BoogieDeclarations]: Found specification of procedure jme_stop_pcc_timer [2022-07-21 13:50:43,149 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_stop_pcc_timer [2022-07-21 13:50:43,149 INFO L130 BoogieDeclarations]: Found specification of procedure jme_interrupt_mode [2022-07-21 13:50:43,149 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_interrupt_mode [2022-07-21 13:50:43,149 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_settings [2022-07-21 13:50:43,149 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_settings [2022-07-21 13:50:43,149 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mdio_read [2022-07-21 13:50:43,150 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mdio_read [2022-07-21 13:50:43,150 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-21 13:50:43,150 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-21 13:50:43,150 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-21 13:50:43,150 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-21 13:50:43,150 INFO L130 BoogieDeclarations]: Found specification of procedure jme_open [2022-07-21 13:50:43,150 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_open [2022-07-21 13:50:43,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-21 13:50:43,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-21 13:50:43,150 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-07-21 13:50:43,151 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-07-21 13:50:43,151 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2022-07-21 13:50:43,151 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2022-07-21 13:50:43,972 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 13:50:43,975 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 13:50:50,896 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 13:51:31,403 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-21 13:51:32,021 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 13:51:32,040 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 13:51:32,040 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-07-21 13:51:32,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:51:32 BoogieIcfgContainer [2022-07-21 13:51:32,043 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 13:51:32,044 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 13:51:32,044 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 13:51:32,046 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 13:51:32,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:50:37" (1/3) ... [2022-07-21 13:51:32,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@665df4cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:51:32, skipping insertion in model container [2022-07-21 13:51:32,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:50:42" (2/3) ... [2022-07-21 13:51:32,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@665df4cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:51:32, skipping insertion in model container [2022-07-21 13:51:32,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:51:32" (3/3) ... [2022-07-21 13:51:32,048 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i [2022-07-21 13:51:32,058 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 13:51:32,058 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-21 13:51:32,138 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 13:51:32,143 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@7dcaabe3, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@976aebe [2022-07-21 13:51:32,144 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-21 13:51:32,153 INFO L276 IsEmpty]: Start isEmpty. Operand has 2685 states, 1789 states have (on average 1.2655114589155954) internal successors, (2264), 1840 states have internal predecessors, (2264), 740 states have call successors, (740), 158 states have call predecessors, (740), 157 states have return successors, (731), 715 states have call predecessors, (731), 731 states have call successors, (731) [2022-07-21 13:51:32,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2022-07-21 13:51:32,180 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:51:32,181 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:51:32,183 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 13:51:32,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:51:32,188 INFO L85 PathProgramCache]: Analyzing trace with hash -1489807384, now seen corresponding path program 1 times [2022-07-21 13:51:32,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:51:32,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1897127360] [2022-07-21 13:51:32,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:51:32,203 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:51:32,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:51:32,213 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 13:51:32,214 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 13:51:33,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:51:33,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 1280 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:51:33,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:51:33,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1377 trivial. 0 not checked. [2022-07-21 13:51:33,816 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:51:33,817 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:51:33,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1897127360] [2022-07-21 13:51:33,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1897127360] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:51:33,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:51:33,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:51:33,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184629155] [2022-07-21 13:51:33,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:51:33,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:51:33,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:51:33,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:51:33,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:51:33,858 INFO L87 Difference]: Start difference. First operand has 2685 states, 1789 states have (on average 1.2655114589155954) internal successors, (2264), 1840 states have internal predecessors, (2264), 740 states have call successors, (740), 158 states have call predecessors, (740), 157 states have return successors, (731), 715 states have call predecessors, (731), 731 states have call successors, (731) 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, (23), 3 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-21 13:51:34,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:51:34,557 INFO L93 Difference]: Finished difference Result 7841 states and 11113 transitions. [2022-07-21 13:51:34,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:51:34,560 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, (23), 3 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 226 [2022-07-21 13:51:34,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:51:34,625 INFO L225 Difference]: With dead ends: 7841 [2022-07-21 13:51:34,626 INFO L226 Difference]: Without dead ends: 5184 [2022-07-21 13:51:34,649 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 224 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 13:51:34,653 INFO L413 NwaCegarLoop]: 4378 mSDtfsCounter, 3525 mSDsluCounter, 3640 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3525 SdHoareTripleChecker+Valid, 8018 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-21 13:51:34,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3525 Valid, 8018 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-21 13:51:34,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5184 states. [2022-07-21 13:51:34,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5184 to 5180. [2022-07-21 13:51:34,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5180 states, 3468 states have (on average 1.258650519031142) internal successors, (4365), 3563 states have internal predecessors, (4365), 1399 states have call successors, (1399), 311 states have call predecessors, (1399), 310 states have return successors, (1395), 1363 states have call predecessors, (1395), 1395 states have call successors, (1395) [2022-07-21 13:51:34,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5180 states to 5180 states and 7159 transitions. [2022-07-21 13:51:34,942 INFO L78 Accepts]: Start accepts. Automaton has 5180 states and 7159 transitions. Word has length 226 [2022-07-21 13:51:34,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:51:34,945 INFO L495 AbstractCegarLoop]: Abstraction has 5180 states and 7159 transitions. [2022-07-21 13:51:34,946 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, (23), 3 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-21 13:51:34,946 INFO L276 IsEmpty]: Start isEmpty. Operand 5180 states and 7159 transitions. [2022-07-21 13:51:34,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2022-07-21 13:51:34,953 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:51:34,954 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:51:34,992 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 13:51:35,171 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 13:51:35,172 INFO L420 AbstractCegarLoop]: === Iteration 2 === 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 13:51:35,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:51:35,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1238043182, now seen corresponding path program 1 times [2022-07-21 13:51:35,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:51:35,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [650577352] [2022-07-21 13:51:35,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:51:35,174 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:51:35,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:51:35,178 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 13:51:35,182 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 13:51:36,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:51:36,426 INFO L263 TraceCheckSpWp]: Trace formula consists of 1372 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:51:36,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:51:36,712 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1377 trivial. 0 not checked. [2022-07-21 13:51:36,713 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:51:36,713 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:51:36,713 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [650577352] [2022-07-21 13:51:36,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [650577352] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:51:36,713 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:51:36,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:51:36,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11529439] [2022-07-21 13:51:36,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:51:36,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:51:36,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:51:36,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:51:36,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:51:36,718 INFO L87 Difference]: Start difference. First operand 5180 states and 7159 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-21 13:51:38,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:51:38,041 INFO L93 Difference]: Finished difference Result 14052 states and 19387 transitions. [2022-07-21 13:51:38,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:51:38,042 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 235 [2022-07-21 13:51:38,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:51:38,099 INFO L225 Difference]: With dead ends: 14052 [2022-07-21 13:51:38,100 INFO L226 Difference]: Without dead ends: 8913 [2022-07-21 13:51:38,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 233 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 13:51:38,128 INFO L413 NwaCegarLoop]: 4225 mSDtfsCounter, 2625 mSDsluCounter, 3552 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2625 SdHoareTripleChecker+Valid, 7777 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-21 13:51:38,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2625 Valid, 7777 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-21 13:51:38,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8913 states. [2022-07-21 13:51:38,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8913 to 8879. [2022-07-21 13:51:38,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8879 states, 5873 states have (on average 1.2545547420398433) internal successors, (7368), 6051 states have internal predecessors, (7368), 2432 states have call successors, (2432), 574 states have call predecessors, (2432), 571 states have return successors, (2430), 2357 states have call predecessors, (2430), 2428 states have call successors, (2430) [2022-07-21 13:51:38,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8879 states to 8879 states and 12230 transitions. [2022-07-21 13:51:38,476 INFO L78 Accepts]: Start accepts. Automaton has 8879 states and 12230 transitions. Word has length 235 [2022-07-21 13:51:38,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:51:38,477 INFO L495 AbstractCegarLoop]: Abstraction has 8879 states and 12230 transitions. [2022-07-21 13:51:38,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-21 13:51:38,478 INFO L276 IsEmpty]: Start isEmpty. Operand 8879 states and 12230 transitions. [2022-07-21 13:51:38,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-07-21 13:51:38,481 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:51:38,481 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:51:38,508 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 13:51:38,695 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 13:51:38,695 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 13:51:38,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:51:38,696 INFO L85 PathProgramCache]: Analyzing trace with hash 868734910, now seen corresponding path program 1 times [2022-07-21 13:51:38,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:51:38,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1444736319] [2022-07-21 13:51:38,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:51:38,697 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:51:38,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:51:38,703 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 13:51:38,704 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 13:51:39,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:51:39,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 1397 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:51:39,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:51:40,169 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1377 trivial. 0 not checked. [2022-07-21 13:51:40,169 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:51:40,170 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:51:40,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1444736319] [2022-07-21 13:51:40,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1444736319] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:51:40,170 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:51:40,170 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:51:40,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385492849] [2022-07-21 13:51:40,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:51:40,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:51:40,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:51:40,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:51:40,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:51:40,172 INFO L87 Difference]: Start difference. First operand 8879 states and 12230 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-21 13:51:41,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:51:41,669 INFO L93 Difference]: Finished difference Result 25541 states and 35174 transitions. [2022-07-21 13:51:41,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:51:41,670 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 238 [2022-07-21 13:51:41,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:51:41,774 INFO L225 Difference]: With dead ends: 25541 [2022-07-21 13:51:41,775 INFO L226 Difference]: Without dead ends: 16703 [2022-07-21 13:51:41,821 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 236 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 13:51:41,823 INFO L413 NwaCegarLoop]: 4758 mSDtfsCounter, 3325 mSDsluCounter, 3576 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3325 SdHoareTripleChecker+Valid, 8334 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-21 13:51:41,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3325 Valid, 8334 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-21 13:51:41,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16703 states. [2022-07-21 13:51:42,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16703 to 16665. [2022-07-21 13:51:42,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16665 states, 10971 states have (on average 1.2471060067450552) internal successors, (13682), 11301 states have internal predecessors, (13682), 4578 states have call successors, (4578), 1118 states have call predecessors, (4578), 1113 states have return successors, (4576), 4443 states have call predecessors, (4576), 4574 states have call successors, (4576) [2022-07-21 13:51:42,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16665 states to 16665 states and 22836 transitions. [2022-07-21 13:51:42,480 INFO L78 Accepts]: Start accepts. Automaton has 16665 states and 22836 transitions. Word has length 238 [2022-07-21 13:51:42,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:51:42,481 INFO L495 AbstractCegarLoop]: Abstraction has 16665 states and 22836 transitions. [2022-07-21 13:51:42,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-21 13:51:42,481 INFO L276 IsEmpty]: Start isEmpty. Operand 16665 states and 22836 transitions. [2022-07-21 13:51:42,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-07-21 13:51:42,485 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:51:42,486 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:51:42,514 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 13:51:42,695 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 13:51:42,695 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 13:51:42,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:51:42,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1256873516, now seen corresponding path program 1 times [2022-07-21 13:51:42,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:51:42,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [510110290] [2022-07-21 13:51:42,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:51:42,697 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:51:42,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:51:42,700 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 13:51:42,703 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 13:51:43,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:51:43,793 INFO L263 TraceCheckSpWp]: Trace formula consists of 1358 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:51:43,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:51:44,102 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1377 trivial. 0 not checked. [2022-07-21 13:51:44,102 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:51:44,103 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:51:44,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [510110290] [2022-07-21 13:51:44,103 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [510110290] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:51:44,103 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:51:44,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:51:44,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638485584] [2022-07-21 13:51:44,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:51:44,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:51:44,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:51:44,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:51:44,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:51:44,105 INFO L87 Difference]: Start difference. First operand 16665 states and 22836 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-21 13:51:45,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:51:45,254 INFO L93 Difference]: Finished difference Result 34680 states and 47410 transitions. [2022-07-21 13:51:45,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:51:45,254 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 242 [2022-07-21 13:51:45,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:51:45,337 INFO L225 Difference]: With dead ends: 34680 [2022-07-21 13:51:45,337 INFO L226 Difference]: Without dead ends: 18056 [2022-07-21 13:51:45,455 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:51:45,456 INFO L413 NwaCegarLoop]: 5321 mSDtfsCounter, 3102 mSDsluCounter, 3605 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3102 SdHoareTripleChecker+Valid, 8926 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-21 13:51:45,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3102 Valid, 8926 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-21 13:51:45,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18056 states. [2022-07-21 13:51:46,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18056 to 18020. [2022-07-21 13:51:46,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18020 states, 11820 states have (on average 1.238917089678511) internal successors, (14644), 12190 states have internal predecessors, (14644), 4923 states have call successors, (4923), 1282 states have call predecessors, (4923), 1274 states have return successors, (4921), 4760 states have call predecessors, (4921), 4919 states have call successors, (4921) [2022-07-21 13:51:46,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18020 states to 18020 states and 24488 transitions. [2022-07-21 13:51:46,256 INFO L78 Accepts]: Start accepts. Automaton has 18020 states and 24488 transitions. Word has length 242 [2022-07-21 13:51:46,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:51:46,258 INFO L495 AbstractCegarLoop]: Abstraction has 18020 states and 24488 transitions. [2022-07-21 13:51:46,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-21 13:51:46,258 INFO L276 IsEmpty]: Start isEmpty. Operand 18020 states and 24488 transitions. [2022-07-21 13:51:46,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-07-21 13:51:46,261 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:51:46,262 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 18, 18, 18, 18, 18, 18, 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] [2022-07-21 13:51:46,290 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 13:51:46,474 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 13:51:46,475 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 13:51:46,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:51:46,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1225135496, now seen corresponding path program 1 times [2022-07-21 13:51:46,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:51:46,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2127630185] [2022-07-21 13:51:46,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:51:46,476 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:51:46,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:51:46,478 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 13:51:46,555 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 13:51:47,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:51:47,668 INFO L263 TraceCheckSpWp]: Trace formula consists of 1430 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:51:47,672 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:51:47,950 INFO L134 CoverageAnalysis]: Checked inductivity of 1495 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 1377 trivial. 0 not checked. [2022-07-21 13:51:47,950 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:51:47,950 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:51:47,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2127630185] [2022-07-21 13:51:47,950 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2127630185] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:51:47,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:51:47,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:51:47,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848552812] [2022-07-21 13:51:47,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:51:47,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:51:47,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:51:47,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:51:47,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:51:47,952 INFO L87 Difference]: Start difference. First operand 18020 states and 24488 transitions. Second operand has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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 13:51:48,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:51:48,955 INFO L93 Difference]: Finished difference Result 46864 states and 63764 transitions. [2022-07-21 13:51:48,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:51:48,955 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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 263 [2022-07-21 13:51:48,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:51:49,134 INFO L225 Difference]: With dead ends: 46864 [2022-07-21 13:51:49,134 INFO L226 Difference]: Without dead ends: 28885 [2022-07-21 13:51:49,184 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 261 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 13:51:49,185 INFO L413 NwaCegarLoop]: 4821 mSDtfsCounter, 3494 mSDsluCounter, 3625 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3494 SdHoareTripleChecker+Valid, 8446 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-21 13:51:49,186 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3494 Valid, 8446 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-21 13:51:49,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28885 states. [2022-07-21 13:51:49,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28885 to 28839. [2022-07-21 13:51:49,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28839 states, 19117 states have (on average 1.2400481247057593) internal successors, (23706), 19723 states have internal predecessors, (23706), 7740 states have call successors, (7740), 1994 states have call predecessors, (7740), 1979 states have return successors, (7740), 7458 states have call predecessors, (7740), 7736 states have call successors, (7740) [2022-07-21 13:51:50,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28839 states to 28839 states and 39186 transitions. [2022-07-21 13:51:50,060 INFO L78 Accepts]: Start accepts. Automaton has 28839 states and 39186 transitions. Word has length 263 [2022-07-21 13:51:50,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:51:50,061 INFO L495 AbstractCegarLoop]: Abstraction has 28839 states and 39186 transitions. [2022-07-21 13:51:50,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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 13:51:50,061 INFO L276 IsEmpty]: Start isEmpty. Operand 28839 states and 39186 transitions. [2022-07-21 13:51:50,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2022-07-21 13:51:50,064 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:51:50,065 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 4, 4, 4, 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, 1, 1, 1] [2022-07-21 13:51:50,092 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 13:51:50,275 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 13:51:50,275 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 13:51:50,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:51:50,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1245104927, now seen corresponding path program 1 times [2022-07-21 13:51:50,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:51:50,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [617340228] [2022-07-21 13:51:50,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:51:50,277 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:51:50,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:51:50,278 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 13:51:50,280 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 13:51:51,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:51:51,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 1405 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:51:51,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:51:51,624 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 1560 trivial. 0 not checked. [2022-07-21 13:51:51,625 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:51:51,625 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:51:51,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [617340228] [2022-07-21 13:51:51,625 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [617340228] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:51:51,625 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:51:51,625 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:51:51,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069711072] [2022-07-21 13:51:51,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:51:51,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:51:51,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:51:51,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:51:51,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:51:51,630 INFO L87 Difference]: Start difference. First operand 28839 states and 39186 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-21 13:51:53,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:51:53,253 INFO L93 Difference]: Finished difference Result 85265 states and 115909 transitions. [2022-07-21 13:51:53,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:51:53,254 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 282 [2022-07-21 13:51:53,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:51:53,664 INFO L225 Difference]: With dead ends: 85265 [2022-07-21 13:51:53,664 INFO L226 Difference]: Without dead ends: 56579 [2022-07-21 13:51:53,835 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 280 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 13:51:53,837 INFO L413 NwaCegarLoop]: 6371 mSDtfsCounter, 3483 mSDsluCounter, 3643 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3483 SdHoareTripleChecker+Valid, 10014 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-21 13:51:53,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3483 Valid, 10014 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-21 13:51:53,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56579 states. [2022-07-21 13:51:55,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56579 to 56575. [2022-07-21 13:51:55,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56575 states, 37524 states have (on average 1.239979746295704) internal successors, (46529), 38662 states have internal predecessors, (46529), 15148 states have call successors, (15148), 3921 states have call predecessors, (15148), 3900 states have return successors, (15152), 14665 states have call predecessors, (15152), 15144 states have call successors, (15152) [2022-07-21 13:51:55,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56575 states to 56575 states and 76829 transitions. [2022-07-21 13:51:55,771 INFO L78 Accepts]: Start accepts. Automaton has 56575 states and 76829 transitions. Word has length 282 [2022-07-21 13:51:55,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:51:55,772 INFO L495 AbstractCegarLoop]: Abstraction has 56575 states and 76829 transitions. [2022-07-21 13:51:55,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-21 13:51:55,772 INFO L276 IsEmpty]: Start isEmpty. Operand 56575 states and 76829 transitions. [2022-07-21 13:51:55,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2022-07-21 13:51:55,775 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:51:55,776 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 4, 4, 4, 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, 1, 1, 1] [2022-07-21 13:51:55,809 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 13:51:55,987 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 13:51:55,988 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 13:51:55,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:51:55,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1385653537, now seen corresponding path program 1 times [2022-07-21 13:51:55,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:51:55,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1101681257] [2022-07-21 13:51:55,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:51:55,990 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:51:55,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:51:55,991 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 13:51:55,992 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 13:51:56,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:51:56,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 1405 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 13:51:56,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:52:01,816 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1645 trivial. 0 not checked. [2022-07-21 13:52:01,816 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:52:01,816 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:52:01,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1101681257] [2022-07-21 13:52:01,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1101681257] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:52:01,817 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:52:01,817 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-21 13:52:01,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700825868] [2022-07-21 13:52:01,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:52:01,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:52:01,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:52:01,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:52:01,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:52:01,819 INFO L87 Difference]: Start difference. First operand 56575 states and 76829 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2022-07-21 13:52:02,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:52:02,988 INFO L93 Difference]: Finished difference Result 56581 states and 76834 transitions. [2022-07-21 13:52:02,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 13:52:02,989 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 282 [2022-07-21 13:52:02,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:52:03,332 INFO L225 Difference]: With dead ends: 56581 [2022-07-21 13:52:03,332 INFO L226 Difference]: Without dead ends: 56579 [2022-07-21 13:52:03,356 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 278 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 13:52:03,358 INFO L413 NwaCegarLoop]: 3667 mSDtfsCounter, 3562 mSDsluCounter, 7317 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3563 SdHoareTripleChecker+Valid, 10984 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 13:52:03,358 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3563 Valid, 10984 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 13:52:03,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56579 states. [2022-07-21 13:52:04,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56579 to 56579. [2022-07-21 13:52:04,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56579 states, 37527 states have (on average 1.2399605617288885) internal successors, (46532), 38665 states have internal predecessors, (46532), 15148 states have call successors, (15148), 3922 states have call predecessors, (15148), 3901 states have return successors, (15152), 14665 states have call predecessors, (15152), 15144 states have call successors, (15152) [2022-07-21 13:52:05,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56579 states to 56579 states and 76832 transitions. [2022-07-21 13:52:05,037 INFO L78 Accepts]: Start accepts. Automaton has 56579 states and 76832 transitions. Word has length 282 [2022-07-21 13:52:05,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:52:05,037 INFO L495 AbstractCegarLoop]: Abstraction has 56579 states and 76832 transitions. [2022-07-21 13:52:05,038 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2022-07-21 13:52:05,038 INFO L276 IsEmpty]: Start isEmpty. Operand 56579 states and 76832 transitions. [2022-07-21 13:52:05,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2022-07-21 13:52:05,041 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:52:05,041 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1] [2022-07-21 13:52:05,070 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 13:52:05,263 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 13:52:05,263 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 13:52:05,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:52:05,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1896019683, now seen corresponding path program 1 times [2022-07-21 13:52:05,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:52:05,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1461689768] [2022-07-21 13:52:05,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:52:05,265 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:52:05,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:52:05,266 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 13:52:05,267 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 13:52:06,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:52:06,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 1412 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 13:52:06,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:52:11,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1645 trivial. 0 not checked. [2022-07-21 13:52:11,230 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 13:52:12,872 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1645 trivial. 0 not checked. [2022-07-21 13:52:12,873 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:52:12,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1461689768] [2022-07-21 13:52:12,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1461689768] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-21 13:52:12,873 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 13:52:12,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-21 13:52:12,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658602075] [2022-07-21 13:52:12,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:52:12,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:52:12,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:52:12,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:52:12,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-21 13:52:12,875 INFO L87 Difference]: Start difference. First operand 56579 states and 76832 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-21 13:52:14,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:52:14,355 INFO L93 Difference]: Finished difference Result 56585 states and 76837 transitions. [2022-07-21 13:52:14,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 13:52:14,355 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 287 [2022-07-21 13:52:14,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:52:14,544 INFO L225 Difference]: With dead ends: 56585 [2022-07-21 13:52:14,544 INFO L226 Difference]: Without dead ends: 56583 [2022-07-21 13:52:14,572 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 575 GetRequests, 567 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-21 13:52:14,572 INFO L413 NwaCegarLoop]: 3670 mSDtfsCounter, 3584 mSDsluCounter, 7316 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3599 SdHoareTripleChecker+Valid, 10986 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 13:52:14,572 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3599 Valid, 10986 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 13:52:14,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56583 states. [2022-07-21 13:52:15,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56583 to 56583. [2022-07-21 13:52:15,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56583 states, 37530 states have (on average 1.23994138022915) internal successors, (46535), 38668 states have internal predecessors, (46535), 15148 states have call successors, (15148), 3923 states have call predecessors, (15148), 3902 states have return successors, (15152), 14665 states have call predecessors, (15152), 15144 states have call successors, (15152) [2022-07-21 13:52:16,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56583 states to 56583 states and 76835 transitions. [2022-07-21 13:52:16,185 INFO L78 Accepts]: Start accepts. Automaton has 56583 states and 76835 transitions. Word has length 287 [2022-07-21 13:52:16,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:52:16,185 INFO L495 AbstractCegarLoop]: Abstraction has 56583 states and 76835 transitions. [2022-07-21 13:52:16,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-21 13:52:16,186 INFO L276 IsEmpty]: Start isEmpty. Operand 56583 states and 76835 transitions. [2022-07-21 13:52:16,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2022-07-21 13:52:16,189 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:52:16,189 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1] [2022-07-21 13:52:16,216 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-21 13:52:16,397 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:52:16,398 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 13:52:16,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:52:16,398 INFO L85 PathProgramCache]: Analyzing trace with hash 1465075233, now seen corresponding path program 1 times [2022-07-21 13:52:16,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:52:16,399 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [656411926] [2022-07-21 13:52:16,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:52:16,399 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:52:16,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:52:16,400 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 13:52:16,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-21 13:52:17,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:52:17,309 INFO L263 TraceCheckSpWp]: Trace formula consists of 1419 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 13:52:17,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:52:22,192 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1649 trivial. 0 not checked. [2022-07-21 13:52:22,193 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 13:52:23,856 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1649 trivial. 0 not checked. [2022-07-21 13:52:23,856 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:52:23,856 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [656411926] [2022-07-21 13:52:23,856 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [656411926] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-21 13:52:23,856 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 13:52:23,856 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-21 13:52:23,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204850894] [2022-07-21 13:52:23,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:52:23,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:52:23,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:52:23,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:52:23,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-21 13:52:23,857 INFO L87 Difference]: Start difference. First operand 56583 states and 76835 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-21 13:52:25,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:52:25,594 INFO L93 Difference]: Finished difference Result 56589 states and 76840 transitions. [2022-07-21 13:52:25,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 13:52:25,594 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 292 [2022-07-21 13:52:25,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:52:25,855 INFO L225 Difference]: With dead ends: 56589 [2022-07-21 13:52:25,855 INFO L226 Difference]: Without dead ends: 56587 [2022-07-21 13:52:25,875 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 585 GetRequests, 577 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-21 13:52:25,876 INFO L413 NwaCegarLoop]: 3670 mSDtfsCounter, 3584 mSDsluCounter, 7316 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3598 SdHoareTripleChecker+Valid, 10986 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 13:52:25,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3598 Valid, 10986 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 13:52:25,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56587 states. [2022-07-21 13:52:27,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56587 to 56587. [2022-07-21 13:52:27,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56587 states, 37533 states have (on average 1.239922201795753) internal successors, (46538), 38671 states have internal predecessors, (46538), 15148 states have call successors, (15148), 3924 states have call predecessors, (15148), 3903 states have return successors, (15152), 14665 states have call predecessors, (15152), 15144 states have call successors, (15152) [2022-07-21 13:52:27,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56587 states to 56587 states and 76838 transitions. [2022-07-21 13:52:27,655 INFO L78 Accepts]: Start accepts. Automaton has 56587 states and 76838 transitions. Word has length 292 [2022-07-21 13:52:27,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:52:27,656 INFO L495 AbstractCegarLoop]: Abstraction has 56587 states and 76838 transitions. [2022-07-21 13:52:27,656 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-21 13:52:27,656 INFO L276 IsEmpty]: Start isEmpty. Operand 56587 states and 76838 transitions. [2022-07-21 13:52:27,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2022-07-21 13:52:27,660 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:52:27,660 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 5, 5, 5, 4, 3, 3, 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, 1, 1] [2022-07-21 13:52:27,686 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-21 13:52:27,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:52:27,862 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 13:52:27,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:52:27,863 INFO L85 PathProgramCache]: Analyzing trace with hash -1059633280, now seen corresponding path program 1 times [2022-07-21 13:52:27,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:52:27,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [868614229] [2022-07-21 13:52:27,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:52:27,864 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:52:27,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:52:27,865 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 13:52:27,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-21 13:52:28,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:52:28,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 1473 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:52:28,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:52:29,035 INFO L134 CoverageAnalysis]: Checked inductivity of 1674 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 1582 trivial. 0 not checked. [2022-07-21 13:52:29,035 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:52:29,035 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:52:29,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [868614229] [2022-07-21 13:52:29,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [868614229] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:52:29,035 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:52:29,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:52:29,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276149089] [2022-07-21 13:52:29,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:52:29,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:52:29,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:52:29,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:52:29,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:52:29,036 INFO L87 Difference]: Start difference. First operand 56587 states and 76838 transitions. Second operand has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-21 13:52:31,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:52:31,607 INFO L93 Difference]: Finished difference Result 140812 states and 191292 transitions. [2022-07-21 13:52:31,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:52:31,607 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 308 [2022-07-21 13:52:31,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:52:31,984 INFO L225 Difference]: With dead ends: 140812 [2022-07-21 13:52:31,984 INFO L226 Difference]: Without dead ends: 84378 [2022-07-21 13:52:32,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 307 GetRequests, 306 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 13:52:32,190 INFO L413 NwaCegarLoop]: 7170 mSDtfsCounter, 3524 mSDsluCounter, 3645 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3524 SdHoareTripleChecker+Valid, 10815 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-21 13:52:32,190 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3524 Valid, 10815 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-21 13:52:32,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84378 states. [2022-07-21 13:52:34,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84378 to 84339. [2022-07-21 13:52:34,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84339 states, 55956 states have (on average 1.2398491672028022) internal successors, (69377), 57626 states have internal predecessors, (69377), 22556 states have call successors, (22556), 5851 states have call predecessors, (22556), 5824 states have return successors, (22564), 21872 states have call predecessors, (22564), 22552 states have call successors, (22564) [2022-07-21 13:52:35,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84339 states to 84339 states and 114497 transitions. [2022-07-21 13:52:35,209 INFO L78 Accepts]: Start accepts. Automaton has 84339 states and 114497 transitions. Word has length 308 [2022-07-21 13:52:35,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:52:35,210 INFO L495 AbstractCegarLoop]: Abstraction has 84339 states and 114497 transitions. [2022-07-21 13:52:35,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.333333333333332) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2022-07-21 13:52:35,210 INFO L276 IsEmpty]: Start isEmpty. Operand 84339 states and 114497 transitions. [2022-07-21 13:52:35,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2022-07-21 13:52:35,214 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:52:35,214 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 4, 4, 4, 4, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:52:35,242 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-21 13:52:35,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:52:35,432 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 13:52:35,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:52:35,432 INFO L85 PathProgramCache]: Analyzing trace with hash 465954147, now seen corresponding path program 1 times [2022-07-21 13:52:35,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:52:35,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1640690646] [2022-07-21 13:52:35,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:52:35,433 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:52:35,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:52:35,434 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 13:52:35,435 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-21 13:52:36,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:52:36,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 1426 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 13:52:36,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:52:41,905 INFO L134 CoverageAnalysis]: Checked inductivity of 1663 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1657 trivial. 0 not checked. [2022-07-21 13:52:41,905 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 13:52:43,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1663 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1657 trivial. 0 not checked. [2022-07-21 13:52:43,576 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:52:43,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1640690646] [2022-07-21 13:52:43,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1640690646] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-21 13:52:43,577 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 13:52:43,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-21 13:52:43,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [152939148] [2022-07-21 13:52:43,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:52:43,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:52:43,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:52:43,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:52:43,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-21 13:52:43,578 INFO L87 Difference]: Start difference. First operand 84339 states and 114497 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-21 13:52:45,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:52:45,978 INFO L93 Difference]: Finished difference Result 84345 states and 114502 transitions. [2022-07-21 13:52:45,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 13:52:45,978 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 297 [2022-07-21 13:52:45,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:52:46,324 INFO L225 Difference]: With dead ends: 84345 [2022-07-21 13:52:46,325 INFO L226 Difference]: Without dead ends: 84343 [2022-07-21 13:52:46,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 595 GetRequests, 587 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-21 13:52:46,374 INFO L413 NwaCegarLoop]: 3670 mSDtfsCounter, 3584 mSDsluCounter, 7316 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3597 SdHoareTripleChecker+Valid, 10986 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 13:52:46,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3597 Valid, 10986 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 13:52:46,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84343 states. [2022-07-21 13:52:48,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84343 to 84343. [2022-07-21 13:52:49,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84343 states, 55959 states have (on average 1.2398363087260316) internal successors, (69380), 57629 states have internal predecessors, (69380), 22556 states have call successors, (22556), 5852 states have call predecessors, (22556), 5825 states have return successors, (22564), 21872 states have call predecessors, (22564), 22552 states have call successors, (22564) [2022-07-21 13:52:49,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84343 states to 84343 states and 114500 transitions. [2022-07-21 13:52:49,572 INFO L78 Accepts]: Start accepts. Automaton has 84343 states and 114500 transitions. Word has length 297 [2022-07-21 13:52:49,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:52:49,573 INFO L495 AbstractCegarLoop]: Abstraction has 84343 states and 114500 transitions. [2022-07-21 13:52:49,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (32), 3 states have call predecessors, (32), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2022-07-21 13:52:49,574 INFO L276 IsEmpty]: Start isEmpty. Operand 84343 states and 114500 transitions. [2022-07-21 13:52:49,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2022-07-21 13:52:49,577 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:52:49,578 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 5, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:52:49,606 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Ended with exit code 0 [2022-07-21 13:52:49,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:52:49,791 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 13:52:49,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:52:49,792 INFO L85 PathProgramCache]: Analyzing trace with hash 299603745, now seen corresponding path program 1 times [2022-07-21 13:52:49,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:52:49,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2026617653] [2022-07-21 13:52:49,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:52:49,793 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:52:49,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:52:49,794 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 13:52:49,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-21 13:52:50,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:52:50,782 INFO L263 TraceCheckSpWp]: Trace formula consists of 1433 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 13:52:50,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:52:55,872 INFO L134 CoverageAnalysis]: Checked inductivity of 1677 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1669 trivial. 0 not checked. [2022-07-21 13:52:55,873 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 13:52:57,558 INFO L134 CoverageAnalysis]: Checked inductivity of 1677 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1669 trivial. 0 not checked. [2022-07-21 13:52:57,558 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:52:57,558 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2026617653] [2022-07-21 13:52:57,558 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2026617653] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-21 13:52:57,558 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 13:52:57,559 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-21 13:52:57,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124210319] [2022-07-21 13:52:57,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:52:57,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:52:57,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:52:57,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:52:57,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-21 13:52:57,560 INFO L87 Difference]: Start difference. First operand 84343 states and 114500 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-21 13:52:59,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:52:59,820 INFO L93 Difference]: Finished difference Result 84349 states and 114505 transitions. [2022-07-21 13:52:59,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 13:52:59,820 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 302 [2022-07-21 13:52:59,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:53:00,162 INFO L225 Difference]: With dead ends: 84349 [2022-07-21 13:53:00,162 INFO L226 Difference]: Without dead ends: 84347 [2022-07-21 13:53:00,215 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 605 GetRequests, 597 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-21 13:53:00,215 INFO L413 NwaCegarLoop]: 3670 mSDtfsCounter, 3584 mSDsluCounter, 7316 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3596 SdHoareTripleChecker+Valid, 10986 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 13:53:00,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3596 Valid, 10986 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 13:53:00,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84347 states. [2022-07-21 13:53:02,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84347 to 84347. [2022-07-21 13:53:03,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84347 states, 55962 states have (on average 1.2398234516278903) internal successors, (69383), 57632 states have internal predecessors, (69383), 22556 states have call successors, (22556), 5853 states have call predecessors, (22556), 5826 states have return successors, (22564), 21872 states have call predecessors, (22564), 22552 states have call successors, (22564) [2022-07-21 13:53:03,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84347 states to 84347 states and 114503 transitions. [2022-07-21 13:53:03,377 INFO L78 Accepts]: Start accepts. Automaton has 84347 states and 114503 transitions. Word has length 302 [2022-07-21 13:53:03,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:53:03,378 INFO L495 AbstractCegarLoop]: Abstraction has 84347 states and 114503 transitions. [2022-07-21 13:53:03,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (33), 3 states have call predecessors, (33), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2022-07-21 13:53:03,379 INFO L276 IsEmpty]: Start isEmpty. Operand 84347 states and 114503 transitions. [2022-07-21 13:53:03,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2022-07-21 13:53:03,383 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:53:03,383 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 6, 5, 5, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:53:03,410 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Ended with exit code 0 [2022-07-21 13:53:03,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:53:03,607 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 13:53:03,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:53:03,608 INFO L85 PathProgramCache]: Analyzing trace with hash -285056029, now seen corresponding path program 1 times [2022-07-21 13:53:03,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:53:03,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [392213189] [2022-07-21 13:53:03,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:53:03,609 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:53:03,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:53:03,610 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 13:53:03,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-07-21 13:53:04,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:04,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 1440 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 13:53:04,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:53:10,068 INFO L134 CoverageAnalysis]: Checked inductivity of 1695 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1685 trivial. 0 not checked. [2022-07-21 13:53:10,068 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 13:53:11,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1695 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1685 trivial. 0 not checked. [2022-07-21 13:53:11,901 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:53:11,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [392213189] [2022-07-21 13:53:11,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [392213189] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-21 13:53:11,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 13:53:11,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-21 13:53:11,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939220808] [2022-07-21 13:53:11,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:53:11,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:53:11,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:53:11,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:53:11,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-21 13:53:11,903 INFO L87 Difference]: Start difference. First operand 84347 states and 114503 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-21 13:53:14,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:53:14,310 INFO L93 Difference]: Finished difference Result 84353 states and 114508 transitions. [2022-07-21 13:53:14,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 13:53:14,310 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 307 [2022-07-21 13:53:14,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:53:14,672 INFO L225 Difference]: With dead ends: 84353 [2022-07-21 13:53:14,672 INFO L226 Difference]: Without dead ends: 84351 [2022-07-21 13:53:14,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 615 GetRequests, 607 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-21 13:53:14,714 INFO L413 NwaCegarLoop]: 3670 mSDtfsCounter, 3584 mSDsluCounter, 7316 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3595 SdHoareTripleChecker+Valid, 10986 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 13:53:14,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3595 Valid, 10986 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 13:53:14,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84351 states. [2022-07-21 13:53:17,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84351 to 84351. [2022-07-21 13:53:17,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84351 states, 55965 states have (on average 1.239810595908157) internal successors, (69386), 57635 states have internal predecessors, (69386), 22556 states have call successors, (22556), 5854 states have call predecessors, (22556), 5827 states have return successors, (22564), 21872 states have call predecessors, (22564), 22552 states have call successors, (22564) [2022-07-21 13:53:17,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84351 states to 84351 states and 114506 transitions. [2022-07-21 13:53:17,819 INFO L78 Accepts]: Start accepts. Automaton has 84351 states and 114506 transitions. Word has length 307 [2022-07-21 13:53:17,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:53:17,820 INFO L495 AbstractCegarLoop]: Abstraction has 84351 states and 114506 transitions. [2022-07-21 13:53:17,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (34), 3 states have call predecessors, (34), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2022-07-21 13:53:17,820 INFO L276 IsEmpty]: Start isEmpty. Operand 84351 states and 114506 transitions. [2022-07-21 13:53:17,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-07-21 13:53:17,825 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:53:17,825 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 18, 18, 18, 18, 18, 18, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 13:53:17,849 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-07-21 13:53:18,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:53:18,032 INFO L420 AbstractCegarLoop]: === Iteration 14 === 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-21 13:53:18,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:53:18,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1031830299, now seen corresponding path program 1 times [2022-07-21 13:53:18,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:53:18,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1800529461] [2022-07-21 13:53:18,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:53:18,034 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:53:18,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:53:18,035 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 13:53:18,036 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-07-21 13:53:19,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:53:19,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 1500 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:53:19,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:53:19,950 INFO L134 CoverageAnalysis]: Checked inductivity of 1638 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2022-07-21 13:53:19,950 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:53:19,950 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:53:19,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1800529461] [2022-07-21 13:53:19,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1800529461] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:53:19,951 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:53:19,951 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:53:19,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628482317] [2022-07-21 13:53:19,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:53:19,952 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:53:19,952 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:53:19,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:53:19,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:53:19,953 INFO L87 Difference]: Start difference. First operand 84351 states and 114506 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-21 13:53:24,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:53:24,397 INFO L93 Difference]: Finished difference Result 203829 states and 276746 transitions. [2022-07-21 13:53:24,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:53:24,398 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 306 [2022-07-21 13:53:24,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:53:25,006 INFO L225 Difference]: With dead ends: 203829 [2022-07-21 13:53:25,007 INFO L226 Difference]: Without dead ends: 119631 [2022-07-21 13:53:25,279 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 304 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 13:53:25,280 INFO L413 NwaCegarLoop]: 5723 mSDtfsCounter, 3076 mSDsluCounter, 3606 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3076 SdHoareTripleChecker+Valid, 9329 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-21 13:53:25,280 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3076 Valid, 9329 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-21 13:53:25,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119631 states.