./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 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_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-?-791161d [2022-07-23 02:34:04,890 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 02:34:04,893 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 02:34:04,917 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 02:34:04,917 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 02:34:04,918 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 02:34:04,919 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 02:34:04,921 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 02:34:04,923 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 02:34:04,923 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 02:34:04,924 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 02:34:04,925 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 02:34:04,926 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 02:34:04,927 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 02:34:04,928 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 02:34:04,929 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 02:34:04,929 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 02:34:04,930 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 02:34:04,932 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 02:34:04,933 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 02:34:04,934 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 02:34:04,935 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 02:34:04,936 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 02:34:04,937 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 02:34:04,938 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 02:34:04,940 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 02:34:04,940 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 02:34:04,941 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 02:34:04,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 02:34:04,942 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 02:34:04,943 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 02:34:04,943 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 02:34:04,944 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 02:34:04,945 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 02:34:04,945 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 02:34:04,946 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 02:34:04,947 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 02:34:04,947 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 02:34:04,948 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 02:34:04,948 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 02:34:04,949 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 02:34:04,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 02:34:04,951 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 02:34:04,968 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 02:34:04,968 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 02:34:04,969 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 02:34:04,969 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 02:34:04,970 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 02:34:04,970 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 02:34:04,971 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 02:34:04,971 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 02:34:04,971 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 02:34:04,972 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 02:34:04,972 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 02:34:04,972 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 02:34:04,972 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 02:34:04,973 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 02:34:04,973 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 02:34:04,973 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 02:34:04,973 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 02:34:04,974 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 02:34:04,974 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 02:34:04,974 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 02:34:04,975 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 02:34:04,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:34:04,975 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 02:34:04,975 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 02:34:04,976 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 02:34:04,976 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 02:34:04,976 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 02:34:04,977 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 02:34:04,977 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 02:34:04,977 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 02:34:04,977 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ed7e65f4873f721e135371f2b64bea53a61355f60220cd3c965b9b34f2d17e4 [2022-07-23 02:34:05,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 02:34:05,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 02:34:05,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 02:34:05,196 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 02:34:05,197 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 02:34:05,198 INFO L432 ainManager$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 [2022-07-23 02:34:05,256 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21f098680/e207adaf76264ef18e4dc23f9d8159a2/FLAG72df39cf3 [2022-07-23 02:34:06,103 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 02:34:06,104 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 [2022-07-23 02:34:06,145 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21f098680/e207adaf76264ef18e4dc23f9d8159a2/FLAG72df39cf3 [2022-07-23 02:34:06,275 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21f098680/e207adaf76264ef18e4dc23f9d8159a2 [2022-07-23 02:34:06,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 02:34:06,279 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 02:34:06,283 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 02:34:06,283 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 02:34:06,286 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 02:34:06,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:34:06" (1/1) ... [2022-07-23 02:34:06,288 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d507a10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:34:06, skipping insertion in model container [2022-07-23 02:34:06,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:34:06" (1/1) ... [2022-07-23 02:34:06,295 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 02:34:06,440 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 02:34:10,385 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] [2022-07-23 02:34:10,393 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] [2022-07-23 02:34:10,395 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] [2022-07-23 02:34:10,400 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] [2022-07-23 02:34:10,419 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:34:10,461 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 02:34:10,662 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) [2022-07-23 02:34:10,667 INFO L158 Benchmark]: Toolchain (without parser) took 4386.53ms. Allocated memory was 115.3MB in the beginning and 182.5MB in the end (delta: 67.1MB). Free memory was 83.8MB in the beginning and 94.7MB in the end (delta: -10.9MB). Peak memory consumption was 92.9MB. Max. memory is 16.1GB. [2022-07-23 02:34:10,667 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 92.3MB. Free memory was 47.2MB in the beginning and 47.2MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 02:34:10,668 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4382.08ms. Allocated memory was 115.3MB in the beginning and 182.5MB in the end (delta: 67.1MB). Free memory was 83.8MB in the beginning and 94.7MB in the end (delta: -10.9MB). Peak memory consumption was 92.9MB. Max. memory is 16.1GB. [2022-07-23 02:34:10,669 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 92.3MB. Free memory was 47.2MB in the beginning and 47.2MB in the end (delta: 76.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4382.08ms. Allocated memory was 115.3MB in the beginning and 182.5MB in the end (delta: 67.1MB). Free memory was 83.8MB in the beginning and 94.7MB in the end (delta: -10.9MB). Peak memory consumption was 92.9MB. 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-?-791161d [2022-07-23 02:34:12,358 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 02:34:12,361 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 02:34:12,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 02:34:12,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 02:34:12,407 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 02:34:12,411 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 02:34:12,414 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 02:34:12,416 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 02:34:12,420 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 02:34:12,421 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 02:34:12,425 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 02:34:12,426 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 02:34:12,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 02:34:12,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 02:34:12,431 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 02:34:12,432 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 02:34:12,433 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 02:34:12,434 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 02:34:12,440 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 02:34:12,441 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 02:34:12,442 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 02:34:12,443 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 02:34:12,444 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 02:34:12,445 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 02:34:12,452 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 02:34:12,453 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 02:34:12,453 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 02:34:12,454 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 02:34:12,454 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 02:34:12,455 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 02:34:12,455 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 02:34:12,457 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 02:34:12,457 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 02:34:12,459 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 02:34:12,459 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 02:34:12,460 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 02:34:12,460 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 02:34:12,460 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 02:34:12,461 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 02:34:12,461 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 02:34:12,463 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 02:34:12,471 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-23 02:34:12,504 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 02:34:12,505 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 02:34:12,505 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 02:34:12,505 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 02:34:12,506 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 02:34:12,506 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 02:34:12,507 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 02:34:12,507 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 02:34:12,507 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 02:34:12,508 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 02:34:12,508 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 02:34:12,508 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 02:34:12,509 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 02:34:12,509 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 02:34:12,509 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 02:34:12,509 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-23 02:34:12,509 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-23 02:34:12,510 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 02:34:12,510 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 02:34:12,510 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 02:34:12,510 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 02:34:12,510 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 02:34:12,511 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 02:34:12,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:34:12,511 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 02:34:12,511 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 02:34:12,511 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 02:34:12,511 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-23 02:34:12,512 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-23 02:34:12,512 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 02:34:12,512 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 02:34:12,512 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 02:34:12,512 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-23 02:34:12,513 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ed7e65f4873f721e135371f2b64bea53a61355f60220cd3c965b9b34f2d17e4 [2022-07-23 02:34:12,820 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 02:34:12,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 02:34:12,841 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 02:34:12,842 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 02:34:12,843 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 02:34:12,844 INFO L432 ainManager$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 [2022-07-23 02:34:12,897 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccce665b0/1172d0faa9b942188e4e9a8660f2aece/FLAG9adb5534b [2022-07-23 02:34:13,797 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 02:34:13,798 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 [2022-07-23 02:34:13,870 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccce665b0/1172d0faa9b942188e4e9a8660f2aece/FLAG9adb5534b [2022-07-23 02:34:14,249 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ccce665b0/1172d0faa9b942188e4e9a8660f2aece [2022-07-23 02:34:14,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 02:34:14,253 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 02:34:14,256 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 02:34:14,256 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 02:34:14,259 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 02:34:14,260 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:34:14" (1/1) ... [2022-07-23 02:34:14,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@616a54bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:34:14, skipping insertion in model container [2022-07-23 02:34:14,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:34:14" (1/1) ... [2022-07-23 02:34:14,269 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 02:34:14,440 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 02:34:18,282 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] [2022-07-23 02:34:18,285 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] [2022-07-23 02:34:18,290 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] [2022-07-23 02:34:18,291 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] [2022-07-23 02:34:18,318 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:34:18,364 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-23 02:34:18,438 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 02:34:18,772 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] [2022-07-23 02:34:18,773 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] [2022-07-23 02:34:18,773 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] [2022-07-23 02:34:18,774 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] [2022-07-23 02:34:18,811 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:34:18,830 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 02:34:19,381 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[464820,464833] [2022-07-23 02:34:19,382 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] [2022-07-23 02:34:19,382 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] [2022-07-23 02:34:19,382 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] [2022-07-23 02:34:19,390 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:34:19,640 INFO L208 MainTranslator]: Completed translation [2022-07-23 02:34:19,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:34:19 WrapperNode [2022-07-23 02:34:19,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 02:34:19,642 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 02:34:19,642 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 02:34:19,643 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 02:34:19,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:34:19" (1/1) ... [2022-07-23 02:34:19,744 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:34:19" (1/1) ... [2022-07-23 02:34:19,913 INFO L137 Inliner]: procedures = 677, calls = 2943, calls flagged for inlining = 321, calls inlined = 256, statements flattened = 5801 [2022-07-23 02:34:19,914 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 02:34:19,915 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 02:34:19,915 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 02:34:19,915 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 02:34:19,923 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:34:19" (1/1) ... [2022-07-23 02:34:19,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:34:19" (1/1) ... [2022-07-23 02:34:19,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:34:19" (1/1) ... [2022-07-23 02:34:19,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:34:19" (1/1) ... [2022-07-23 02:34:20,104 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:34:19" (1/1) ... [2022-07-23 02:34:20,136 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:34:19" (1/1) ... [2022-07-23 02:34:20,181 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:34:19" (1/1) ... [2022-07-23 02:34:20,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 02:34:20,221 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 02:34:20,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 02:34:20,221 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 02:34:20,222 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:34:19" (1/1) ... [2022-07-23 02:34:20,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:34:20,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 02:34:20,252 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-23 02:34:20,263 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-23 02:34:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-23 02:34:20,287 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-23 02:34:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-07-23 02:34:20,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-07-23 02:34:20,287 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-07-23 02:34:20,288 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-07-23 02:34:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-23 02:34:20,288 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-23 02:34:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_mac_processor [2022-07-23 02:34:20,288 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_mac_processor [2022-07-23 02:34:20,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 02:34:20,288 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 02:34:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure jwrite32 [2022-07-23 02:34:20,289 INFO L138 BoogieDeclarations]: Found implementation of procedure jwrite32 [2022-07-23 02:34:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-07-23 02:34:20,289 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-07-23 02:34:20,289 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_regs_len [2022-07-23 02:34:20,289 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_regs_len [2022-07-23 02:34:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-23 02:34:20,290 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-23 02:34:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 02:34:20,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 02:34:20,290 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_txclk_on [2022-07-23 02:34:20,290 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_txclk_on [2022-07-23 02:34:20,291 INFO L130 BoogieDeclarations]: Found specification of procedure jme_disable_rx_engine [2022-07-23 02:34:20,291 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_disable_rx_engine [2022-07-23 02:34:20,291 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-23 02:34:20,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-23 02:34:20,291 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-07-23 02:34:20,291 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-07-23 02:34:20,292 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-23 02:34:20,292 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-23 02:34:20,292 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-23 02:34:20,292 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-23 02:34:20,292 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-23 02:34:20,292 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-23 02:34:20,292 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_link [2022-07-23 02:34:20,293 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_link [2022-07-23 02:34:20,293 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-23 02:34:20,293 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-23 02:34:20,293 INFO L130 BoogieDeclarations]: Found specification of procedure jme_netpoll [2022-07-23 02:34:20,293 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_netpoll [2022-07-23 02:34:20,293 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2022-07-23 02:34:20,294 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_page [2022-07-23 02:34:20,294 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-23 02:34:20,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-23 02:34:20,294 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-23 02:34:20,294 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-23 02:34:20,294 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 02:34:20,295 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 02:34:20,295 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-23 02:34:20,295 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-23 02:34:20,295 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-23 02:34:20,295 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-23 02:34:20,295 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-07-23 02:34:20,296 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-23 02:34:20,296 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-23 02:34:20,296 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 02:34:20,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 02:34:20,296 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-07-23 02:34:20,296 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-07-23 02:34:20,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 02:34:20,297 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-23 02:34:20,297 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-23 02:34:20,297 INFO L130 BoogieDeclarations]: Found specification of procedure jread32 [2022-07-23 02:34:20,297 INFO L138 BoogieDeclarations]: Found implementation of procedure jread32 [2022-07-23 02:34:20,297 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2022-07-23 02:34:20,298 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2022-07-23 02:34:20,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-23 02:34:20,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-23 02:34:20,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-23 02:34:20,298 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2022-07-23 02:34:20,298 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 02:34:20,298 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 02:34:20,299 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_rx_pcc [2022-07-23 02:34:20,299 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_rx_pcc [2022-07-23 02:34:20,299 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-23 02:34:20,299 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-23 02:34:20,299 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-07-23 02:34:20,299 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-07-23 02:34:20,300 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_unicastaddr [2022-07-23 02:34:20,300 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_unicastaddr [2022-07-23 02:34:20,300 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-23 02:34:20,300 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-23 02:34:20,300 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-23 02:34:20,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-23 02:34:20,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 02:34:20,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 02:34:20,301 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_calibration [2022-07-23 02:34:20,301 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_calibration [2022-07-23 02:34:20,301 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-23 02:34:20,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-23 02:34:20,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_82 [2022-07-23 02:34:20,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_82 [2022-07-23 02:34:20,302 INFO L130 BoogieDeclarations]: Found specification of procedure jme_restart_rx_engine [2022-07-23 02:34:20,302 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_restart_rx_engine [2022-07-23 02:34:20,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_80 [2022-07-23 02:34:20,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_80 [2022-07-23 02:34:20,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 02:34:20,303 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 02:34:20,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_88 [2022-07-23 02:34:20,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_88 [2022-07-23 02:34:20,303 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-23 02:34:20,303 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-23 02:34:20,303 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-23 02:34:20,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-23 02:34:20,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-23 02:34:20,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-23 02:34:20,304 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_hi_schedule [2022-07-23 02:34:20,304 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_hi_schedule [2022-07-23 02:34:20,304 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-07-23 02:34:20,305 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-07-23 02:34:20,305 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-23 02:34:20,305 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-23 02:34:20,305 INFO L130 BoogieDeclarations]: Found specification of procedure jme_linkstat_from_phy [2022-07-23 02:34:20,305 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_linkstat_from_phy [2022-07-23 02:34:20,305 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mdio_write [2022-07-23 02:34:20,305 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mdio_write [2022-07-23 02:34:20,306 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_on [2022-07-23 02:34:20,306 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_on [2022-07-23 02:34:20,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-23 02:34:20,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-23 02:34:20,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 02:34:20,306 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-23 02:34:20,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-23 02:34:20,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-23 02:34:20,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-23 02:34:20,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-23 02:34:20,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-23 02:34:20,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-07-23 02:34:20,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-07-23 02:34:20,308 INFO L130 BoogieDeclarations]: Found specification of procedure smi_phy_addr [2022-07-23 02:34:20,308 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_phy_addr [2022-07-23 02:34:20,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 02:34:20,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 02:34:20,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 02:34:20,308 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 02:34:20,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 02:34:20,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 02:34:20,309 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-07-23 02:34:20,309 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-07-23 02:34:20,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-23 02:34:20,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-23 02:34:20,309 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 02:34:20,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 02:34:20,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-23 02:34:20,310 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-23 02:34:20,310 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-23 02:34:20,310 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-07-23 02:34:20,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-07-23 02:34:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure reg_dbg [2022-07-23 02:34:20,311 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_dbg [2022-07-23 02:34:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 02:34:20,311 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 02:34:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-23 02:34:20,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-23 02:34:20,311 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-23 02:34:20,312 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-23 02:34:20,312 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-23 02:34:20,312 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-23 02:34:20,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-23 02:34:20,312 INFO L130 BoogieDeclarations]: Found specification of procedure jme_start_irq [2022-07-23 02:34:20,312 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_start_irq [2022-07-23 02:34:20,312 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-07-23 02:34:20,313 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-07-23 02:34:20,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 02:34:20,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 02:34:20,313 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-23 02:34:20,313 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-23 02:34:20,313 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-23 02:34:20,314 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-23 02:34:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-23 02:34:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure jme_fill_tx_map [2022-07-23 02:34:20,314 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_fill_tx_map [2022-07-23 02:34:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure jme_free_tx_resources [2022-07-23 02:34:20,314 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_free_tx_resources [2022-07-23 02:34:20,314 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-23 02:34:20,315 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-23 02:34:20,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-23 02:34:20,315 INFO L130 BoogieDeclarations]: Found specification of procedure jme_polling_mode [2022-07-23 02:34:20,315 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_polling_mode [2022-07-23 02:34:20,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-23 02:34:20,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 02:34:20,315 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable_pending [2022-07-23 02:34:20,316 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable_pending [2022-07-23 02:34:20,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-23 02:34:20,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 02:34:20,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 02:34:20,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 02:34:20,316 INFO L130 BoogieDeclarations]: Found specification of procedure jme_remove_one [2022-07-23 02:34:20,317 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_remove_one [2022-07-23 02:34:20,317 INFO L130 BoogieDeclarations]: Found specification of procedure jme_powersave_phy [2022-07-23 02:34:20,317 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_powersave_phy [2022-07-23 02:34:20,317 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_rxclk_on [2022-07-23 02:34:20,317 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_rxclk_on [2022-07-23 02:34:20,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_jme_cleanup_module_13_2 [2022-07-23 02:34:20,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_jme_cleanup_module_13_2 [2022-07-23 02:34:20,318 INFO L130 BoogieDeclarations]: Found specification of procedure new_phy_power_ctrl [2022-07-23 02:34:20,318 INFO L138 BoogieDeclarations]: Found implementation of procedure new_phy_power_ctrl [2022-07-23 02:34:20,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-23 02:34:20,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-23 02:34:20,318 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-23 02:34:20,318 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-23 02:34:20,318 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-07-23 02:34:20,319 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-07-23 02:34:20,319 INFO L130 BoogieDeclarations]: Found specification of procedure jme_intr_msi [2022-07-23 02:34:20,319 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_intr_msi [2022-07-23 02:34:20,319 INFO L130 BoogieDeclarations]: Found specification of procedure jwrite32f [2022-07-23 02:34:20,319 INFO L138 BoogieDeclarations]: Found implementation of procedure jwrite32f [2022-07-23 02:34:20,319 INFO L130 BoogieDeclarations]: Found specification of procedure smi_reg_addr [2022-07-23 02:34:20,319 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_reg_addr [2022-07-23 02:34:20,320 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_settings [2022-07-23 02:34:20,320 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_settings [2022-07-23 02:34:20,320 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-23 02:34:20,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-23 02:34:20,320 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-23 02:34:20,320 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-23 02:34:20,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 02:34:20,321 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 02:34:20,321 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-23 02:34:20,321 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-23 02:34:20,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-23 02:34:20,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-23 02:34:20,321 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-07-23 02:34:20,321 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-07-23 02:34:20,322 INFO L130 BoogieDeclarations]: Found specification of procedure jme_nway_reset [2022-07-23 02:34:20,322 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_nway_reset [2022-07-23 02:34:20,322 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-23 02:34:20,322 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-23 02:34:20,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 02:34:20,322 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-07-23 02:34:20,322 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-07-23 02:34:20,323 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-23 02:34:20,323 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-23 02:34:20,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 02:34:20,323 INFO L130 BoogieDeclarations]: Found specification of procedure jme_free_rx_resources [2022-07-23 02:34:20,323 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_free_rx_resources [2022-07-23 02:34:20,323 INFO L130 BoogieDeclarations]: Found specification of procedure jme_resume [2022-07-23 02:34:20,324 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_resume [2022-07-23 02:34:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure jme_tx_timeout [2022-07-23 02:34:20,324 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_tx_timeout [2022-07-23 02:34:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-23 02:34:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-23 02:34:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-23 02:34:20,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-23 02:34:20,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 02:34:20,325 INFO L130 BoogieDeclarations]: Found specification of procedure jme_disable_tx_engine [2022-07-23 02:34:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_disable_tx_engine [2022-07-23 02:34:20,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-23 02:34:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-23 02:34:20,325 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2022-07-23 02:34:20,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2022-07-23 02:34:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 02:34:20,326 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 02:34:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 02:34:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 02:34:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_txclk_off [2022-07-23 02:34:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_txclk_off [2022-07-23 02:34:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_setEA [2022-07-23 02:34:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_setEA [2022-07-23 02:34:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-07-23 02:34:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-07-23 02:34:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_multi [2022-07-23 02:34:20,328 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_multi [2022-07-23 02:34:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-23 02:34:20,328 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-23 02:34:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure mmapio_memcpy [2022-07-23 02:34:20,328 INFO L138 BoogieDeclarations]: Found implementation of procedure mmapio_memcpy [2022-07-23 02:34:20,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_87 [2022-07-23 02:34:20,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_87 [2022-07-23 02:34:20,329 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-23 02:34:20,329 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-23 02:34:20,329 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 02:34:20,329 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 02:34:20,329 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_specreg_read [2022-07-23 02:34:20,329 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_specreg_read [2022-07-23 02:34:20,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_81 [2022-07-23 02:34:20,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_81 [2022-07-23 02:34:20,330 INFO L130 BoogieDeclarations]: Found specification of procedure jme_clear_pm [2022-07-23 02:34:20,330 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_clear_pm [2022-07-23 02:34:20,330 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2022-07-23 02:34:20,330 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2022-07-23 02:34:20,330 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-23 02:34:20,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-23 02:34:20,331 INFO L130 BoogieDeclarations]: Found specification of procedure jme_close [2022-07-23 02:34:20,331 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_close [2022-07-23 02:34:20,331 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-23 02:34:20,331 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-23 02:34:20,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_79 [2022-07-23 02:34:20,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_79 [2022-07-23 02:34:20,332 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-23 02:34:20,332 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-23 02:34:20,332 INFO L130 BoogieDeclarations]: Found specification of procedure jme_stop_irq [2022-07-23 02:34:20,332 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_stop_irq [2022-07-23 02:34:20,332 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 02:34:20,332 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 02:34:20,332 INFO L130 BoogieDeclarations]: Found specification of procedure jme_shutdown [2022-07-23 02:34:20,333 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_shutdown [2022-07-23 02:34:20,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-23 02:34:20,333 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_rxclk_off [2022-07-23 02:34:20,333 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_rxclk_off [2022-07-23 02:34:20,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-23 02:34:20,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-23 02:34:20,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-23 02:34:20,334 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_phy_processor [2022-07-23 02:34:20,334 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_phy_processor [2022-07-23 02:34:20,334 INFO L130 BoogieDeclarations]: Found specification of procedure jme_suspend [2022-07-23 02:34:20,334 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_suspend [2022-07-23 02:34:20,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 02:34:20,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 02:34:20,335 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_specreg_write [2022-07-23 02:34:20,335 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_specreg_write [2022-07-23 02:34:20,335 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-23 02:34:20,335 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-23 02:34:20,335 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_off [2022-07-23 02:34:20,335 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_off [2022-07-23 02:34:20,335 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_phyfifo_5level [2022-07-23 02:34:20,336 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_phyfifo_5level [2022-07-23 02:34:20,336 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-23 02:34:20,336 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-23 02:34:20,336 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-23 02:34:20,336 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-23 02:34:20,336 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_eeprom_len [2022-07-23 02:34:20,336 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_eeprom_len [2022-07-23 02:34:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2022-07-23 02:34:20,337 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2022-07-23 02:34:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 02:34:20,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 02:34:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure jme_stop_pcc_timer [2022-07-23 02:34:20,337 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_stop_pcc_timer [2022-07-23 02:34:20,337 INFO L130 BoogieDeclarations]: Found specification of procedure jme_interrupt_mode [2022-07-23 02:34:20,338 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_interrupt_mode [2022-07-23 02:34:20,338 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_settings [2022-07-23 02:34:20,338 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_settings [2022-07-23 02:34:20,338 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mdio_read [2022-07-23 02:34:20,338 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mdio_read [2022-07-23 02:34:20,338 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-23 02:34:20,338 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-23 02:34:20,339 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-23 02:34:20,339 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-23 02:34:20,339 INFO L130 BoogieDeclarations]: Found specification of procedure jme_open [2022-07-23 02:34:20,339 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_open [2022-07-23 02:34:20,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 02:34:20,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 02:34:20,339 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-07-23 02:34:20,340 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-07-23 02:34:20,340 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2022-07-23 02:34:20,340 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2022-07-23 02:34:21,201 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 02:34:21,208 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 02:34:28,180 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 02:35:06,348 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-23 02:35:07,034 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 02:35:07,063 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 02:35:07,063 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-07-23 02:35:07,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:35:07 BoogieIcfgContainer [2022-07-23 02:35:07,068 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 02:35:07,070 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 02:35:07,070 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 02:35:07,072 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 02:35:07,073 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 02:34:14" (1/3) ... [2022-07-23 02:35:07,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fb460ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 02:35:07, skipping insertion in model container [2022-07-23 02:35:07,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:34:19" (2/3) ... [2022-07-23 02:35:07,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fb460ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 02:35:07, skipping insertion in model container [2022-07-23 02:35:07,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:35:07" (3/3) ... [2022-07-23 02:35:07,076 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i [2022-07-23 02:35:07,089 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 02:35:07,089 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-23 02:35:07,199 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 02:35:07,206 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@57ffe876, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@19ef171 [2022-07-23 02:35:07,206 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-23 02:35:07,219 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) [2022-07-23 02:35:07,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2022-07-23 02:35:07,253 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:35:07,254 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] [2022-07-23 02:35:07,258 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)] === [2022-07-23 02:35:07,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:35:07,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1489807384, now seen corresponding path program 1 times [2022-07-23 02:35:07,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:35:07,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [123496284] [2022-07-23 02:35:07,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:35:07,283 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:35:07,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:35:07,289 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:35:07,291 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-23 02:35:08,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:35:08,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 1280 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:35:08,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:35:08,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1377 trivial. 0 not checked. [2022-07-23 02:35:08,952 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:35:08,953 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:35:08,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [123496284] [2022-07-23 02:35:08,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [123496284] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:35:08,954 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:35:08,954 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:35:08,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114844778] [2022-07-23 02:35:08,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:35:08,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:35:08,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:35:08,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:35:08,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:35:08,999 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) [2022-07-23 02:35:09,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:35:09,809 INFO L93 Difference]: Finished difference Result 7841 states and 11113 transitions. [2022-07-23 02:35:09,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:35:09,812 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 [2022-07-23 02:35:09,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:35:09,859 INFO L225 Difference]: With dead ends: 7841 [2022-07-23 02:35:09,859 INFO L226 Difference]: Without dead ends: 5184 [2022-07-23 02:35:09,886 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 [2022-07-23 02:35:09,891 INFO L413 NwaCegarLoop]: 4378 mSDtfsCounter, 3525 mSDsluCounter, 3640 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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 [2022-07-23 02:35:09,893 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] [2022-07-23 02:35:09,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5184 states. [2022-07-23 02:35:10,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5184 to 5180. [2022-07-23 02:35:10,208 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) [2022-07-23 02:35:10,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5180 states to 5180 states and 7159 transitions. [2022-07-23 02:35:10,253 INFO L78 Accepts]: Start accepts. Automaton has 5180 states and 7159 transitions. Word has length 226 [2022-07-23 02:35:10,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:35:10,256 INFO L495 AbstractCegarLoop]: Abstraction has 5180 states and 7159 transitions. [2022-07-23 02:35:10,257 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) [2022-07-23 02:35:10,257 INFO L276 IsEmpty]: Start isEmpty. Operand 5180 states and 7159 transitions. [2022-07-23 02:35:10,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2022-07-23 02:35:10,266 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:35:10,267 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] [2022-07-23 02:35:10,309 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-23 02:35:10,487 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:35:10,488 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)] === [2022-07-23 02:35:10,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:35:10,488 INFO L85 PathProgramCache]: Analyzing trace with hash -1238043182, now seen corresponding path program 1 times [2022-07-23 02:35:10,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:35:10,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1618807087] [2022-07-23 02:35:10,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:35:10,491 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:35:10,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:35:10,493 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:35:10,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-23 02:35:11,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:35:11,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 1372 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:35:11,810 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:35:12,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1377 trivial. 0 not checked. [2022-07-23 02:35:12,084 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:35:12,085 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:35:12,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1618807087] [2022-07-23 02:35:12,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1618807087] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:35:12,085 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:35:12,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:35:12,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [750392020] [2022-07-23 02:35:12,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:35:12,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:35:12,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:35:12,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:35:12,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:35:12,089 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) [2022-07-23 02:35:13,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:35:13,440 INFO L93 Difference]: Finished difference Result 14052 states and 19387 transitions. [2022-07-23 02:35:13,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:35:13,441 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 [2022-07-23 02:35:13,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:35:13,507 INFO L225 Difference]: With dead ends: 14052 [2022-07-23 02:35:13,507 INFO L226 Difference]: Without dead ends: 8913 [2022-07-23 02:35:13,543 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 [2022-07-23 02:35:13,545 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 [2022-07-23 02:35:13,545 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] [2022-07-23 02:35:13,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8913 states. [2022-07-23 02:35:13,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8913 to 8879. [2022-07-23 02:35:13,918 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) [2022-07-23 02:35:13,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8879 states to 8879 states and 12230 transitions. [2022-07-23 02:35:13,973 INFO L78 Accepts]: Start accepts. Automaton has 8879 states and 12230 transitions. Word has length 235 [2022-07-23 02:35:13,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:35:13,974 INFO L495 AbstractCegarLoop]: Abstraction has 8879 states and 12230 transitions. [2022-07-23 02:35:13,975 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) [2022-07-23 02:35:13,975 INFO L276 IsEmpty]: Start isEmpty. Operand 8879 states and 12230 transitions. [2022-07-23 02:35:13,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-07-23 02:35:13,980 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:35:13,980 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] [2022-07-23 02:35:14,021 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-23 02:35:14,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:35:14,196 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)] === [2022-07-23 02:35:14,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:35:14,196 INFO L85 PathProgramCache]: Analyzing trace with hash 868734910, now seen corresponding path program 1 times [2022-07-23 02:35:14,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:35:14,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [558547736] [2022-07-23 02:35:14,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:35:14,199 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:35:14,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:35:14,201 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:35:14,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-23 02:35:15,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:35:15,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 1397 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:35:15,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:35:15,643 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1377 trivial. 0 not checked. [2022-07-23 02:35:15,644 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:35:15,644 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:35:15,644 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [558547736] [2022-07-23 02:35:15,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [558547736] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:35:15,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:35:15,646 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:35:15,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223561952] [2022-07-23 02:35:15,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:35:15,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:35:15,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:35:15,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:35:15,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:35:15,649 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) [2022-07-23 02:35:17,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:35:17,354 INFO L93 Difference]: Finished difference Result 25541 states and 35174 transitions. [2022-07-23 02:35:17,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:35:17,369 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 [2022-07-23 02:35:17,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:35:17,520 INFO L225 Difference]: With dead ends: 25541 [2022-07-23 02:35:17,520 INFO L226 Difference]: Without dead ends: 16703 [2022-07-23 02:35:17,702 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 [2022-07-23 02:35:17,706 INFO L413 NwaCegarLoop]: 4758 mSDtfsCounter, 3325 mSDsluCounter, 3576 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.3s IncrementalHoareTripleChecker+Time [2022-07-23 02:35:17,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3325 Valid, 8334 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-23 02:35:17,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16703 states. [2022-07-23 02:35:18,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16703 to 16665. [2022-07-23 02:35:18,389 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) [2022-07-23 02:35:18,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16665 states to 16665 states and 22836 transitions. [2022-07-23 02:35:18,480 INFO L78 Accepts]: Start accepts. Automaton has 16665 states and 22836 transitions. Word has length 238 [2022-07-23 02:35:18,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:35:18,480 INFO L495 AbstractCegarLoop]: Abstraction has 16665 states and 22836 transitions. [2022-07-23 02:35:18,480 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) [2022-07-23 02:35:18,481 INFO L276 IsEmpty]: Start isEmpty. Operand 16665 states and 22836 transitions. [2022-07-23 02:35:18,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-07-23 02:35:18,486 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:35:18,486 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] [2022-07-23 02:35:18,522 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-23 02:35:18,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:35:18,708 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)] === [2022-07-23 02:35:18,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:35:18,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1256873516, now seen corresponding path program 1 times [2022-07-23 02:35:18,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:35:18,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1430951615] [2022-07-23 02:35:18,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:35:18,711 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:35:18,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:35:18,713 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:35:18,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-23 02:35:19,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:35:19,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 1358 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:35:19,892 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:35:20,353 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1377 trivial. 0 not checked. [2022-07-23 02:35:20,353 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:35:20,353 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:35:20,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1430951615] [2022-07-23 02:35:20,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1430951615] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:35:20,353 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:35:20,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:35:20,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055221947] [2022-07-23 02:35:20,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:35:20,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:35:20,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:35:20,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:35:20,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:35:20,355 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) [2022-07-23 02:35:21,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:35:21,764 INFO L93 Difference]: Finished difference Result 34680 states and 47410 transitions. [2022-07-23 02:35:21,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:35:21,764 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 [2022-07-23 02:35:21,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:35:21,881 INFO L225 Difference]: With dead ends: 34680 [2022-07-23 02:35:21,881 INFO L226 Difference]: Without dead ends: 18056 [2022-07-23 02:35:21,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:35:21,967 INFO L413 NwaCegarLoop]: 5321 mSDtfsCounter, 3102 mSDsluCounter, 3605 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.8s IncrementalHoareTripleChecker+Time [2022-07-23 02:35:21,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3102 Valid, 8926 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-23 02:35:21,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18056 states. [2022-07-23 02:35:22,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18056 to 18020. [2022-07-23 02:35:22,667 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) [2022-07-23 02:35:22,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18020 states to 18020 states and 24488 transitions. [2022-07-23 02:35:22,760 INFO L78 Accepts]: Start accepts. Automaton has 18020 states and 24488 transitions. Word has length 242 [2022-07-23 02:35:22,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:35:22,776 INFO L495 AbstractCegarLoop]: Abstraction has 18020 states and 24488 transitions. [2022-07-23 02:35:22,776 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) [2022-07-23 02:35:22,776 INFO L276 IsEmpty]: Start isEmpty. Operand 18020 states and 24488 transitions. [2022-07-23 02:35:22,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-07-23 02:35:22,782 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:35:22,782 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] [2022-07-23 02:35:22,820 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-23 02:35:23,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:35:23,004 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)] === [2022-07-23 02:35:23,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:35:23,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1225135496, now seen corresponding path program 1 times [2022-07-23 02:35:23,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:35:23,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [286948203] [2022-07-23 02:35:23,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:35:23,006 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:35:23,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:35:23,008 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:35:23,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-23 02:35:24,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:35:24,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 1430 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:35:24,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:35:24,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1495 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 1377 trivial. 0 not checked. [2022-07-23 02:35:24,493 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:35:24,493 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:35:24,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [286948203] [2022-07-23 02:35:24,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [286948203] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:35:24,493 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:35:24,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:35:24,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703522255] [2022-07-23 02:35:24,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:35:24,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:35:24,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:35:24,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:35:24,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:35:24,495 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) [2022-07-23 02:35:25,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:35:25,828 INFO L93 Difference]: Finished difference Result 46864 states and 63764 transitions. [2022-07-23 02:35:25,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:35:25,829 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 [2022-07-23 02:35:25,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:35:26,009 INFO L225 Difference]: With dead ends: 46864 [2022-07-23 02:35:26,010 INFO L226 Difference]: Without dead ends: 28885 [2022-07-23 02:35:26,084 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 [2022-07-23 02:35:26,085 INFO L413 NwaCegarLoop]: 4821 mSDtfsCounter, 3494 mSDsluCounter, 3625 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.6s IncrementalHoareTripleChecker+Time [2022-07-23 02:35:26,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3494 Valid, 8446 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-23 02:35:26,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28885 states. [2022-07-23 02:35:27,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28885 to 28839. [2022-07-23 02:35:27,163 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) [2022-07-23 02:35:27,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28839 states to 28839 states and 39186 transitions. [2022-07-23 02:35:27,297 INFO L78 Accepts]: Start accepts. Automaton has 28839 states and 39186 transitions. Word has length 263 [2022-07-23 02:35:27,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:35:27,298 INFO L495 AbstractCegarLoop]: Abstraction has 28839 states and 39186 transitions. [2022-07-23 02:35:27,298 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) [2022-07-23 02:35:27,298 INFO L276 IsEmpty]: Start isEmpty. Operand 28839 states and 39186 transitions. [2022-07-23 02:35:27,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2022-07-23 02:35:27,302 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:35:27,303 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] [2022-07-23 02:35:27,340 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-23 02:35:27,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:35:27,518 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)] === [2022-07-23 02:35:27,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:35:27,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1245104927, now seen corresponding path program 1 times [2022-07-23 02:35:27,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:35:27,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2083625760] [2022-07-23 02:35:27,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:35:27,693 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:35:27,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:35:27,718 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) [2022-07-23 02:35:27,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-23 02:35:28,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:35:28,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 1405 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:35:28,922 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:35:29,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 1560 trivial. 0 not checked. [2022-07-23 02:35:29,152 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:35:29,152 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:35:29,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2083625760] [2022-07-23 02:35:29,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2083625760] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:35:29,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:35:29,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:35:29,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409936428] [2022-07-23 02:35:29,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:35:29,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:35:29,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:35:29,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:35:29,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:35:29,154 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) [2022-07-23 02:35:30,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:35:30,526 INFO L93 Difference]: Finished difference Result 85265 states and 115909 transitions. [2022-07-23 02:35:30,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:35:30,527 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 [2022-07-23 02:35:30,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:35:30,903 INFO L225 Difference]: With dead ends: 85265 [2022-07-23 02:35:30,904 INFO L226 Difference]: Without dead ends: 56579 [2022-07-23 02:35:31,044 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 [2022-07-23 02:35:31,046 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 [2022-07-23 02:35:31,046 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] [2022-07-23 02:35:31,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56579 states. [2022-07-23 02:35:32,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56579 to 56575. [2022-07-23 02:35:33,004 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) [2022-07-23 02:35:33,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56575 states to 56575 states and 76829 transitions. [2022-07-23 02:35:33,401 INFO L78 Accepts]: Start accepts. Automaton has 56575 states and 76829 transitions. Word has length 282 [2022-07-23 02:35:33,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:35:33,401 INFO L495 AbstractCegarLoop]: Abstraction has 56575 states and 76829 transitions. [2022-07-23 02:35:33,402 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) [2022-07-23 02:35:33,402 INFO L276 IsEmpty]: Start isEmpty. Operand 56575 states and 76829 transitions. [2022-07-23 02:35:33,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2022-07-23 02:35:33,405 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:35:33,405 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] [2022-07-23 02:35:33,431 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-23 02:35:33,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:35:33,611 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)] === [2022-07-23 02:35:33,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:35:33,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1385653537, now seen corresponding path program 1 times [2022-07-23 02:35:33,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:35:33,612 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1789123394] [2022-07-23 02:35:33,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:35:33,613 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:35:33,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:35:33,614 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) [2022-07-23 02:35:33,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-23 02:35:34,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:35:34,797 INFO L263 TraceCheckSpWp]: Trace formula consists of 1405 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 02:35:34,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:35:39,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1645 trivial. 0 not checked. [2022-07-23 02:35:39,422 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:35:39,422 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:35:39,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1789123394] [2022-07-23 02:35:39,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1789123394] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:35:39,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:35:39,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:35:39,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168607580] [2022-07-23 02:35:39,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:35:39,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:35:39,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:35:39,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:35:39,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:35:39,424 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) [2022-07-23 02:35:40,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:35:40,873 INFO L93 Difference]: Finished difference Result 56581 states and 76834 transitions. [2022-07-23 02:35:40,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:35:40,874 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 [2022-07-23 02:35:40,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:35:41,159 INFO L225 Difference]: With dead ends: 56581 [2022-07-23 02:35:41,159 INFO L226 Difference]: Without dead ends: 56579 [2022-07-23 02:35:41,190 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 [2022-07-23 02:35:41,191 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 [2022-07-23 02:35:41,192 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] [2022-07-23 02:35:41,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56579 states. [2022-07-23 02:35:42,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56579 to 56579. [2022-07-23 02:35:42,866 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) [2022-07-23 02:35:43,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56579 states to 56579 states and 76832 transitions. [2022-07-23 02:35:43,078 INFO L78 Accepts]: Start accepts. Automaton has 56579 states and 76832 transitions. Word has length 282 [2022-07-23 02:35:43,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:35:43,078 INFO L495 AbstractCegarLoop]: Abstraction has 56579 states and 76832 transitions. [2022-07-23 02:35:43,079 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) [2022-07-23 02:35:43,079 INFO L276 IsEmpty]: Start isEmpty. Operand 56579 states and 76832 transitions. [2022-07-23 02:35:43,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2022-07-23 02:35:43,082 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:35:43,082 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] [2022-07-23 02:35:43,106 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-23 02:35:43,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:35:43,283 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)] === [2022-07-23 02:35:43,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:35:43,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1896019683, now seen corresponding path program 1 times [2022-07-23 02:35:43,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:35:43,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [717829838] [2022-07-23 02:35:43,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:35:43,285 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:35:43,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:35:43,286 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) [2022-07-23 02:35:43,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-23 02:35:44,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:35:44,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 1412 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 02:35:44,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:35:49,034 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1645 trivial. 0 not checked. [2022-07-23 02:35:49,034 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 02:35:50,665 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1645 trivial. 0 not checked. [2022-07-23 02:35:50,665 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:35:50,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [717829838] [2022-07-23 02:35:50,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [717829838] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-23 02:35:50,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 02:35:50,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-23 02:35:50,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432169508] [2022-07-23 02:35:50,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:35:50,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:35:50,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:35:50,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:35:50,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:35:50,667 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) [2022-07-23 02:35:52,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:35:52,027 INFO L93 Difference]: Finished difference Result 56585 states and 76837 transitions. [2022-07-23 02:35:52,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 02:35:52,028 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 [2022-07-23 02:35:52,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:35:52,418 INFO L225 Difference]: With dead ends: 56585 [2022-07-23 02:35:52,418 INFO L226 Difference]: Without dead ends: 56583 [2022-07-23 02:35:52,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 575 GetRequests, 567 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-23 02:35:52,445 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 [2022-07-23 02:35:52,445 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] [2022-07-23 02:35:52,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56583 states. [2022-07-23 02:35:53,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56583 to 56583. [2022-07-23 02:35:53,962 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) [2022-07-23 02:35:54,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56583 states to 56583 states and 76835 transitions. [2022-07-23 02:35:54,163 INFO L78 Accepts]: Start accepts. Automaton has 56583 states and 76835 transitions. Word has length 287 [2022-07-23 02:35:54,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:35:54,164 INFO L495 AbstractCegarLoop]: Abstraction has 56583 states and 76835 transitions. [2022-07-23 02:35:54,164 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) [2022-07-23 02:35:54,164 INFO L276 IsEmpty]: Start isEmpty. Operand 56583 states and 76835 transitions. [2022-07-23 02:35:54,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2022-07-23 02:35:54,169 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:35:54,169 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] [2022-07-23 02:35:54,201 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-07-23 02:35:54,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:35:54,384 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)] === [2022-07-23 02:35:54,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:35:54,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1465075233, now seen corresponding path program 1 times [2022-07-23 02:35:54,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:35:54,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1690200154] [2022-07-23 02:35:54,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:35:54,386 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:35:54,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:35:54,387 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) [2022-07-23 02:35:54,388 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-23 02:35:55,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:35:55,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 1419 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 02:35:55,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:36:00,161 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1649 trivial. 0 not checked. [2022-07-23 02:36:00,162 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 02:36:01,863 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1649 trivial. 0 not checked. [2022-07-23 02:36:01,863 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:36:01,863 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1690200154] [2022-07-23 02:36:01,863 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1690200154] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-23 02:36:01,863 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 02:36:01,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-23 02:36:01,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924907925] [2022-07-23 02:36:01,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:36:01,864 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:36:01,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:36:01,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:36:01,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:36:01,865 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) [2022-07-23 02:36:03,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:36:03,518 INFO L93 Difference]: Finished difference Result 56589 states and 76840 transitions. [2022-07-23 02:36:03,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 02:36:03,519 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 [2022-07-23 02:36:03,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:36:03,706 INFO L225 Difference]: With dead ends: 56589 [2022-07-23 02:36:03,706 INFO L226 Difference]: Without dead ends: 56587 [2022-07-23 02:36:03,731 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 [2022-07-23 02:36:03,732 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 [2022-07-23 02:36:03,732 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] [2022-07-23 02:36:03,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56587 states. [2022-07-23 02:36:05,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56587 to 56587. [2022-07-23 02:36:05,316 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) [2022-07-23 02:36:05,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56587 states to 56587 states and 76838 transitions. [2022-07-23 02:36:05,506 INFO L78 Accepts]: Start accepts. Automaton has 56587 states and 76838 transitions. Word has length 292 [2022-07-23 02:36:05,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:36:05,507 INFO L495 AbstractCegarLoop]: Abstraction has 56587 states and 76838 transitions. [2022-07-23 02:36:05,507 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) [2022-07-23 02:36:05,507 INFO L276 IsEmpty]: Start isEmpty. Operand 56587 states and 76838 transitions. [2022-07-23 02:36:05,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2022-07-23 02:36:05,512 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:36:05,512 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] [2022-07-23 02:36:05,539 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Ended with exit code 0 [2022-07-23 02:36:05,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:36:05,728 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)] === [2022-07-23 02:36:05,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:36:05,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1059633280, now seen corresponding path program 1 times [2022-07-23 02:36:05,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:36:05,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1297370155] [2022-07-23 02:36:05,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:36:05,730 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:36:05,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:36:05,731 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) [2022-07-23 02:36:05,733 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-23 02:36:06,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:36:06,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 1473 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:36:06,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:36:07,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1674 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 1582 trivial. 0 not checked. [2022-07-23 02:36:07,121 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:36:07,121 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:36:07,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1297370155] [2022-07-23 02:36:07,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1297370155] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:36:07,121 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:36:07,121 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:36:07,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212900117] [2022-07-23 02:36:07,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:36:07,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:36:07,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:36:07,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:36:07,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:36:07,122 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) [2022-07-23 02:36:09,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:36:09,413 INFO L93 Difference]: Finished difference Result 140812 states and 191292 transitions. [2022-07-23 02:36:09,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:36:09,413 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 [2022-07-23 02:36:09,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:36:09,945 INFO L225 Difference]: With dead ends: 140812 [2022-07-23 02:36:09,945 INFO L226 Difference]: Without dead ends: 84378 [2022-07-23 02:36:10,177 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 [2022-07-23 02:36:10,178 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, 0.3s IncrementalHoareTripleChecker+Time [2022-07-23 02:36:10,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3524 Valid, 10815 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-23 02:36:10,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84378 states. [2022-07-23 02:36:12,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84378 to 84339. [2022-07-23 02:36:12,793 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) [2022-07-23 02:36:13,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84339 states to 84339 states and 114497 transitions. [2022-07-23 02:36:13,452 INFO L78 Accepts]: Start accepts. Automaton has 84339 states and 114497 transitions. Word has length 308 [2022-07-23 02:36:13,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:36:13,464 INFO L495 AbstractCegarLoop]: Abstraction has 84339 states and 114497 transitions. [2022-07-23 02:36:13,464 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) [2022-07-23 02:36:13,464 INFO L276 IsEmpty]: Start isEmpty. Operand 84339 states and 114497 transitions. [2022-07-23 02:36:13,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2022-07-23 02:36:13,469 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:36:13,470 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] [2022-07-23 02:36:13,511 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-23 02:36:13,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:36:13,696 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)] === [2022-07-23 02:36:13,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:36:13,696 INFO L85 PathProgramCache]: Analyzing trace with hash 465954147, now seen corresponding path program 1 times [2022-07-23 02:36:13,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:36:13,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [262564287] [2022-07-23 02:36:13,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:36:13,698 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:36:13,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:36:13,699 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) [2022-07-23 02:36:13,700 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-23 02:36:14,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:36:14,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 1426 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 02:36:14,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:36:19,244 INFO L134 CoverageAnalysis]: Checked inductivity of 1663 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1657 trivial. 0 not checked. [2022-07-23 02:36:19,244 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 02:36:20,790 INFO L134 CoverageAnalysis]: Checked inductivity of 1663 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1657 trivial. 0 not checked. [2022-07-23 02:36:20,790 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:36:20,791 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [262564287] [2022-07-23 02:36:20,791 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [262564287] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-23 02:36:20,791 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 02:36:20,791 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-23 02:36:20,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760039272] [2022-07-23 02:36:20,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:36:20,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:36:20,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:36:20,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:36:20,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:36:20,792 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) [2022-07-23 02:36:22,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:36:22,888 INFO L93 Difference]: Finished difference Result 84345 states and 114502 transitions. [2022-07-23 02:36:22,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 02:36:22,889 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 [2022-07-23 02:36:22,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:36:23,222 INFO L225 Difference]: With dead ends: 84345 [2022-07-23 02:36:23,222 INFO L226 Difference]: Without dead ends: 84343 [2022-07-23 02:36:23,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 595 GetRequests, 587 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-23 02:36:23,263 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 [2022-07-23 02:36:23,264 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] [2022-07-23 02:36:23,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84343 states. [2022-07-23 02:36:25,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84343 to 84343. [2022-07-23 02:36:26,080 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) [2022-07-23 02:36:26,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84343 states to 84343 states and 114500 transitions. [2022-07-23 02:36:26,403 INFO L78 Accepts]: Start accepts. Automaton has 84343 states and 114500 transitions. Word has length 297 [2022-07-23 02:36:26,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:36:26,404 INFO L495 AbstractCegarLoop]: Abstraction has 84343 states and 114500 transitions. [2022-07-23 02:36:26,404 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) [2022-07-23 02:36:26,404 INFO L276 IsEmpty]: Start isEmpty. Operand 84343 states and 114500 transitions. [2022-07-23 02:36:26,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2022-07-23 02:36:26,409 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:36:26,409 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] [2022-07-23 02:36:26,444 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-07-23 02:36:26,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:36:26,631 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)] === [2022-07-23 02:36:26,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:36:26,632 INFO L85 PathProgramCache]: Analyzing trace with hash 299603745, now seen corresponding path program 1 times [2022-07-23 02:36:26,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:36:26,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1424724811] [2022-07-23 02:36:26,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:36:26,633 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:36:26,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:36:26,634 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) [2022-07-23 02:36:26,635 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-23 02:36:27,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:36:27,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 1433 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 02:36:27,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:36:32,184 INFO L134 CoverageAnalysis]: Checked inductivity of 1677 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1669 trivial. 0 not checked. [2022-07-23 02:36:32,184 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 02:36:33,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1677 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1669 trivial. 0 not checked. [2022-07-23 02:36:33,722 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:36:33,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1424724811] [2022-07-23 02:36:33,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1424724811] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-23 02:36:33,722 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 02:36:33,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-23 02:36:33,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614792437] [2022-07-23 02:36:33,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:36:33,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:36:33,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:36:33,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:36:33,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:36:33,724 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) [2022-07-23 02:36:36,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:36:36,264 INFO L93 Difference]: Finished difference Result 84349 states and 114505 transitions. [2022-07-23 02:36:36,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 02:36:36,265 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 [2022-07-23 02:36:36,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:36:36,556 INFO L225 Difference]: With dead ends: 84349 [2022-07-23 02:36:36,556 INFO L226 Difference]: Without dead ends: 84347 [2022-07-23 02:36:36,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 605 GetRequests, 597 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-23 02:36:36,605 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 [2022-07-23 02:36:36,605 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] [2022-07-23 02:36:36,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84347 states. [2022-07-23 02:36:39,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84347 to 84347. [2022-07-23 02:36:39,255 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) [2022-07-23 02:36:39,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84347 states to 84347 states and 114503 transitions. [2022-07-23 02:36:39,817 INFO L78 Accepts]: Start accepts. Automaton has 84347 states and 114503 transitions. Word has length 302 [2022-07-23 02:36:39,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:36:39,820 INFO L495 AbstractCegarLoop]: Abstraction has 84347 states and 114503 transitions. [2022-07-23 02:36:39,820 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, (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) [2022-07-23 02:36:39,821 INFO L276 IsEmpty]: Start isEmpty. Operand 84347 states and 114503 transitions. [2022-07-23 02:36:39,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2022-07-23 02:36:39,855 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:36:39,856 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] [2022-07-23 02:36:39,897 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-07-23 02:36:40,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:36:40,076 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)] === [2022-07-23 02:36:40,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:36:40,076 INFO L85 PathProgramCache]: Analyzing trace with hash -285056029, now seen corresponding path program 1 times [2022-07-23 02:36:40,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:36:40,078 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [814296793] [2022-07-23 02:36:40,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:36:40,078 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:36:40,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:36:40,079 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) [2022-07-23 02:36:40,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-07-23 02:36:41,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:36:41,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 1440 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 02:36:41,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:36:45,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1695 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1685 trivial. 0 not checked. [2022-07-23 02:36:45,585 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 02:36:47,138 INFO L134 CoverageAnalysis]: Checked inductivity of 1695 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1685 trivial. 0 not checked. [2022-07-23 02:36:47,138 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:36:47,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [814296793] [2022-07-23 02:36:47,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [814296793] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-23 02:36:47,138 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 02:36:47,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-23 02:36:47,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642929309] [2022-07-23 02:36:47,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:36:47,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:36:47,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:36:47,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:36:47,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:36:47,140 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) [2022-07-23 02:36:49,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:36:49,458 INFO L93 Difference]: Finished difference Result 84353 states and 114508 transitions. [2022-07-23 02:36:49,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 02:36:49,458 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 [2022-07-23 02:36:49,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:36:49,743 INFO L225 Difference]: With dead ends: 84353 [2022-07-23 02:36:49,743 INFO L226 Difference]: Without dead ends: 84351 [2022-07-23 02:36:49,774 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 615 GetRequests, 607 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-23 02:36:49,775 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 [2022-07-23 02:36:49,777 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] [2022-07-23 02:36:49,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84351 states. [2022-07-23 02:36:52,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84351 to 84351. [2022-07-23 02:36:52,776 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) [2022-07-23 02:36:53,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84351 states to 84351 states and 114506 transitions. [2022-07-23 02:36:53,075 INFO L78 Accepts]: Start accepts. Automaton has 84351 states and 114506 transitions. Word has length 307 [2022-07-23 02:36:53,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:36:53,076 INFO L495 AbstractCegarLoop]: Abstraction has 84351 states and 114506 transitions. [2022-07-23 02:36:53,076 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) [2022-07-23 02:36:53,076 INFO L276 IsEmpty]: Start isEmpty. Operand 84351 states and 114506 transitions. [2022-07-23 02:36:53,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-07-23 02:36:53,081 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:36:53,081 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] [2022-07-23 02:36:53,119 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-07-23 02:36:53,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:36:53,304 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)] === [2022-07-23 02:36:53,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:36:53,304 INFO L85 PathProgramCache]: Analyzing trace with hash 1031830299, now seen corresponding path program 1 times [2022-07-23 02:36:53,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:36:53,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [724163933] [2022-07-23 02:36:53,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:36:53,305 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:36:53,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:36:53,307 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) [2022-07-23 02:36:53,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-07-23 02:36:54,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:36:54,351 INFO L263 TraceCheckSpWp]: Trace formula consists of 1500 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:36:54,355 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:36:54,972 INFO L134 CoverageAnalysis]: Checked inductivity of 1638 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2022-07-23 02:36:54,972 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:36:54,972 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:36:54,972 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [724163933] [2022-07-23 02:36:54,972 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [724163933] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:36:54,972 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:36:54,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:36:54,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549155131] [2022-07-23 02:36:54,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:36:54,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:36:54,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:36:54,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:36:54,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:36:54,973 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)