./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 eb692b52 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-?-eb692b5 [2022-07-20 02:19:27,562 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 02:19:27,564 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 02:19:27,593 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 02:19:27,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 02:19:27,594 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 02:19:27,596 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 02:19:27,603 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 02:19:27,604 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 02:19:27,605 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 02:19:27,606 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 02:19:27,607 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 02:19:27,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 02:19:27,610 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 02:19:27,611 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 02:19:27,612 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 02:19:27,614 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 02:19:27,617 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 02:19:27,619 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 02:19:27,620 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 02:19:27,622 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 02:19:27,623 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 02:19:27,624 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 02:19:27,625 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 02:19:27,625 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 02:19:27,627 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 02:19:27,628 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 02:19:27,630 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 02:19:27,631 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 02:19:27,631 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 02:19:27,632 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 02:19:27,632 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 02:19:27,632 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 02:19:27,633 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 02:19:27,633 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 02:19:27,634 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 02:19:27,634 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 02:19:27,635 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 02:19:27,635 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 02:19:27,635 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 02:19:27,636 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 02:19:27,636 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 02:19:27,637 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 02:19:27,660 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 02:19:27,661 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 02:19:27,661 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 02:19:27,661 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 02:19:27,662 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 02:19:27,662 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 02:19:27,663 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 02:19:27,663 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 02:19:27,663 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 02:19:27,664 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 02:19:27,664 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 02:19:27,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 02:19:27,664 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 02:19:27,664 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 02:19:27,665 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 02:19:27,665 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 02:19:27,665 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 02:19:27,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 02:19:27,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 02:19:27,666 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 02:19:27,666 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 02:19:27,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 02:19:27,667 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 02:19:27,667 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 02:19:27,667 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 02:19:27,667 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 02:19:27,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 02:19:27,667 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 02:19:27,668 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 02:19:27,668 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 02:19:27,668 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ed7e65f4873f721e135371f2b64bea53a61355f60220cd3c965b9b34f2d17e4 [2022-07-20 02:19:27,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 02:19:27,908 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 02:19:27,910 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 02:19:27,911 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 02:19:27,912 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 02:19:27,913 INFO L432 ainManager$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 [2022-07-20 02:19:27,991 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c27dd85f/dfa65682549f4a24a34c26526db2bb83/FLAG57ba9be18 [2022-07-20 02:19:28,620 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 02:19:28,621 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 [2022-07-20 02:19:28,665 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c27dd85f/dfa65682549f4a24a34c26526db2bb83/FLAG57ba9be18 [2022-07-20 02:19:28,726 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c27dd85f/dfa65682549f4a24a34c26526db2bb83 [2022-07-20 02:19:28,728 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 02:19:28,730 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 02:19:28,732 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 02:19:28,732 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 02:19:28,734 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 02:19:28,734 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:19:28" (1/1) ... [2022-07-20 02:19:28,735 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63156d6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:19:28, skipping insertion in model container [2022-07-20 02:19:28,735 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:19:28" (1/1) ... [2022-07-20 02:19:28,740 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 02:19:28,880 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 02:19:32,318 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] [2022-07-20 02:19:32,321 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i[464989,465002] [2022-07-20 02:19:32,321 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i[465156,465169] [2022-07-20 02:19:32,322 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i[465324,465337] [2022-07-20 02:19:32,370 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:19:32,402 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 02:19:32,549 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) [2022-07-20 02:19:32,556 INFO L158 Benchmark]: Toolchain (without parser) took 3825.73ms. Allocated memory was 144.7MB in the beginning and 213.9MB in the end (delta: 69.2MB). Free memory was 92.3MB in the beginning and 92.1MB in the end (delta: 125.9kB). Peak memory consumption was 94.3MB. Max. memory is 16.1GB. [2022-07-20 02:19:32,557 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 81.8MB. Free memory was 37.8MB in the beginning and 37.7MB in the end (delta: 40.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 02:19:32,558 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3823.11ms. Allocated memory was 144.7MB in the beginning and 213.9MB in the end (delta: 69.2MB). Free memory was 92.3MB in the beginning and 92.1MB in the end (delta: 125.9kB). Peak memory consumption was 94.3MB. Max. memory is 16.1GB. [2022-07-20 02:19:32,559 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 81.8MB. Free memory was 37.8MB in the beginning and 37.7MB in the end (delta: 40.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3823.11ms. Allocated memory was 144.7MB in the beginning and 213.9MB in the end (delta: 69.2MB). Free memory was 92.3MB in the beginning and 92.1MB in the end (delta: 125.9kB). Peak memory consumption was 94.3MB. 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-?-eb692b5 [2022-07-20 02:19:34,307 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 02:19:34,308 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 02:19:34,334 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 02:19:34,335 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 02:19:34,336 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 02:19:34,340 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 02:19:34,343 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 02:19:34,345 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 02:19:34,348 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 02:19:34,349 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 02:19:34,352 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 02:19:34,353 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 02:19:34,354 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 02:19:34,355 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 02:19:34,356 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 02:19:34,357 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 02:19:34,358 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 02:19:34,360 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 02:19:34,363 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 02:19:34,364 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 02:19:34,365 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 02:19:34,366 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 02:19:34,367 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 02:19:34,368 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 02:19:34,379 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 02:19:34,382 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 02:19:34,382 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 02:19:34,383 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 02:19:34,383 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 02:19:34,383 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 02:19:34,384 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 02:19:34,384 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 02:19:34,385 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 02:19:34,386 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 02:19:34,387 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 02:19:34,387 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 02:19:34,388 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 02:19:34,388 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 02:19:34,388 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 02:19:34,389 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 02:19:34,390 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 02:19:34,394 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-20 02:19:34,418 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 02:19:34,418 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 02:19:34,418 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 02:19:34,419 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 02:19:34,419 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 02:19:34,419 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 02:19:34,420 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 02:19:34,420 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 02:19:34,420 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 02:19:34,421 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 02:19:34,421 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 02:19:34,421 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 02:19:34,421 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 02:19:34,422 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 02:19:34,422 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-20 02:19:34,422 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-20 02:19:34,422 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-20 02:19:34,422 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 02:19:34,422 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 02:19:34,423 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 02:19:34,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 02:19:34,423 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 02:19:34,423 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 02:19:34,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 02:19:34,423 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 02:19:34,424 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 02:19:34,424 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 02:19:34,424 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-20 02:19:34,424 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-20 02:19:34,424 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 02:19:34,424 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 02:19:34,425 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 02:19:34,425 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-20 02:19:34,425 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ed7e65f4873f721e135371f2b64bea53a61355f60220cd3c965b9b34f2d17e4 [2022-07-20 02:19:34,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 02:19:34,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 02:19:34,729 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 02:19:34,730 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 02:19:34,731 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 02:19:34,732 INFO L432 ainManager$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 [2022-07-20 02:19:34,775 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/235194076/13721044977d475db43aab17ad0aeee0/FLAG72e137202 [2022-07-20 02:19:35,473 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 02:19:35,474 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 [2022-07-20 02:19:35,532 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/235194076/13721044977d475db43aab17ad0aeee0/FLAG72e137202 [2022-07-20 02:19:36,025 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/235194076/13721044977d475db43aab17ad0aeee0 [2022-07-20 02:19:36,030 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 02:19:36,031 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 02:19:36,033 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 02:19:36,033 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 02:19:36,038 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 02:19:36,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:19:36" (1/1) ... [2022-07-20 02:19:36,040 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@708e1d54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:19:36, skipping insertion in model container [2022-07-20 02:19:36,040 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:19:36" (1/1) ... [2022-07-20 02:19:36,045 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 02:19:36,185 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 02:19:39,629 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] [2022-07-20 02:19:39,632 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] [2022-07-20 02:19:39,632 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] [2022-07-20 02:19:39,633 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] [2022-07-20 02:19:39,647 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:19:39,700 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-20 02:19:39,816 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 02:19:40,192 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] [2022-07-20 02:19:40,192 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] [2022-07-20 02:19:40,193 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] [2022-07-20 02:19:40,193 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] [2022-07-20 02:19:40,196 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:19:40,279 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 02:19:40,761 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] [2022-07-20 02:19:40,775 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] [2022-07-20 02:19:40,776 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] [2022-07-20 02:19:40,776 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] [2022-07-20 02:19:40,783 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:19:41,187 INFO L208 MainTranslator]: Completed translation [2022-07-20 02:19:41,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:19:41 WrapperNode [2022-07-20 02:19:41,204 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 02:19:41,205 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 02:19:41,205 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 02:19:41,205 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 02:19:41,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:19:41" (1/1) ... [2022-07-20 02:19:41,300 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:19:41" (1/1) ... [2022-07-20 02:19:41,400 INFO L137 Inliner]: procedures = 677, calls = 2943, calls flagged for inlining = 321, calls inlined = 256, statements flattened = 5801 [2022-07-20 02:19:41,401 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 02:19:41,402 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 02:19:41,402 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 02:19:41,402 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 02:19:41,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:19:41" (1/1) ... [2022-07-20 02:19:41,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:19:41" (1/1) ... [2022-07-20 02:19:41,431 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:19:41" (1/1) ... [2022-07-20 02:19:41,432 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:19:41" (1/1) ... [2022-07-20 02:19:41,513 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:19:41" (1/1) ... [2022-07-20 02:19:41,547 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:19:41" (1/1) ... [2022-07-20 02:19:41,578 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:19:41" (1/1) ... [2022-07-20 02:19:41,605 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 02:19:41,607 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 02:19:41,607 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 02:19:41,607 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 02:19:41,607 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:19:41" (1/1) ... [2022-07-20 02:19:41,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 02:19:41,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 02:19:41,644 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) [2022-07-20 02:19:41,663 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 [2022-07-20 02:19:41,673 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-20 02:19:41,674 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-20 02:19:41,674 INFO L130 BoogieDeclarations]: Found specification of procedure ipv6_hdr [2022-07-20 02:19:41,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ipv6_hdr [2022-07-20 02:19:41,674 INFO L130 BoogieDeclarations]: Found specification of procedure device_set_wakeup_enable [2022-07-20 02:19:41,674 INFO L138 BoogieDeclarations]: Found implementation of procedure device_set_wakeup_enable [2022-07-20 02:19:41,674 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-20 02:19:41,674 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-20 02:19:41,675 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_mac_processor [2022-07-20 02:19:41,675 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_mac_processor [2022-07-20 02:19:41,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 02:19:41,675 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 02:19:41,675 INFO L130 BoogieDeclarations]: Found specification of procedure jwrite32 [2022-07-20 02:19:41,675 INFO L138 BoogieDeclarations]: Found implementation of procedure jwrite32 [2022-07-20 02:19:41,675 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-07-20 02:19:41,676 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-07-20 02:19:41,676 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_regs_len [2022-07-20 02:19:41,676 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_regs_len [2022-07-20 02:19:41,676 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-20 02:19:41,676 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-20 02:19:41,676 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 02:19:41,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 02:19:41,677 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_txclk_on [2022-07-20 02:19:41,677 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_txclk_on [2022-07-20 02:19:41,677 INFO L130 BoogieDeclarations]: Found specification of procedure jme_disable_rx_engine [2022-07-20 02:19:41,677 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_disable_rx_engine [2022-07-20 02:19:41,677 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-20 02:19:41,677 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-20 02:19:41,677 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-07-20 02:19:41,678 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-07-20 02:19:41,678 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-20 02:19:41,678 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-20 02:19:41,678 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-20 02:19:41,678 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-20 02:19:41,678 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-20 02:19:41,678 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-20 02:19:41,679 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_link [2022-07-20 02:19:41,679 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_link [2022-07-20 02:19:41,679 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 02:19:41,679 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 02:19:41,680 INFO L130 BoogieDeclarations]: Found specification of procedure jme_netpoll [2022-07-20 02:19:41,680 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_netpoll [2022-07-20 02:19:41,680 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_page [2022-07-20 02:19:41,681 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_page [2022-07-20 02:19:41,681 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-20 02:19:41,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-20 02:19:41,761 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-20 02:19:41,761 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-20 02:19:41,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 02:19:41,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 02:19:41,761 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-20 02:19:41,761 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-20 02:19:41,761 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-20 02:19:41,761 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-20 02:19:41,761 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-07-20 02:19:41,761 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-20 02:19:41,762 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-20 02:19:41,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 02:19:41,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 02:19:41,762 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-07-20 02:19:41,762 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-07-20 02:19:41,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 02:19:41,762 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-20 02:19:41,762 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-20 02:19:41,762 INFO L130 BoogieDeclarations]: Found specification of procedure jread32 [2022-07-20 02:19:41,762 INFO L138 BoogieDeclarations]: Found implementation of procedure jread32 [2022-07-20 02:19:41,762 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_init [2022-07-20 02:19:41,762 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_init [2022-07-20 02:19:41,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-20 02:19:41,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-20 02:19:41,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-20 02:19:41,762 INFO L130 BoogieDeclarations]: Found specification of procedure netif_receive_skb [2022-07-20 02:19:41,762 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-20 02:19:41,762 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-20 02:19:41,762 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_rx_pcc [2022-07-20 02:19:41,763 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_rx_pcc [2022-07-20 02:19:41,763 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-20 02:19:41,763 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-20 02:19:41,763 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-07-20 02:19:41,763 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-07-20 02:19:41,763 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_unicastaddr [2022-07-20 02:19:41,763 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_unicastaddr [2022-07-20 02:19:41,763 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-20 02:19:41,763 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-20 02:19:41,763 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-20 02:19:41,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-20 02:19:41,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 02:19:41,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 02:19:41,763 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_calibration [2022-07-20 02:19:41,763 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_calibration [2022-07-20 02:19:41,763 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-20 02:19:41,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-20 02:19:41,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_82 [2022-07-20 02:19:41,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_82 [2022-07-20 02:19:41,764 INFO L130 BoogieDeclarations]: Found specification of procedure jme_restart_rx_engine [2022-07-20 02:19:41,764 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_restart_rx_engine [2022-07-20 02:19:41,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_80 [2022-07-20 02:19:41,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_80 [2022-07-20 02:19:41,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 02:19:41,764 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 02:19:41,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_88 [2022-07-20 02:19:41,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_88 [2022-07-20 02:19:41,764 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-20 02:19:41,764 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-20 02:19:41,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-20 02:19:41,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-20 02:19:41,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-20 02:19:41,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-20 02:19:41,764 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_hi_schedule [2022-07-20 02:19:41,764 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_hi_schedule [2022-07-20 02:19:41,764 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-07-20 02:19:41,764 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-07-20 02:19:41,764 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-20 02:19:41,764 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-20 02:19:41,765 INFO L130 BoogieDeclarations]: Found specification of procedure jme_linkstat_from_phy [2022-07-20 02:19:41,765 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_linkstat_from_phy [2022-07-20 02:19:41,765 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mdio_write [2022-07-20 02:19:41,765 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mdio_write [2022-07-20 02:19:41,765 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_on [2022-07-20 02:19:41,765 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_on [2022-07-20 02:19:41,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-20 02:19:41,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-20 02:19:41,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 02:19:41,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-20 02:19:41,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-20 02:19:41,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-20 02:19:41,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-20 02:19:41,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-20 02:19:41,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-20 02:19:41,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-07-20 02:19:41,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-07-20 02:19:41,765 INFO L130 BoogieDeclarations]: Found specification of procedure smi_phy_addr [2022-07-20 02:19:41,765 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_phy_addr [2022-07-20 02:19:41,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 02:19:41,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 02:19:41,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 02:19:41,766 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-20 02:19:41,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-20 02:19:41,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 02:19:41,766 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-07-20 02:19:41,766 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-07-20 02:19:41,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-20 02:19:41,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-20 02:19:41,766 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 02:19:41,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 02:19:41,766 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-20 02:19:41,766 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-07-20 02:19:41,766 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-07-20 02:19:41,766 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-07-20 02:19:41,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-07-20 02:19:41,766 INFO L130 BoogieDeclarations]: Found specification of procedure reg_dbg [2022-07-20 02:19:41,766 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_dbg [2022-07-20 02:19:41,766 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 02:19:41,766 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 02:19:41,767 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-20 02:19:41,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-20 02:19:41,767 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-20 02:19:41,767 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-20 02:19:41,767 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-20 02:19:41,767 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-20 02:19:41,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-20 02:19:41,767 INFO L130 BoogieDeclarations]: Found specification of procedure jme_start_irq [2022-07-20 02:19:41,767 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_start_irq [2022-07-20 02:19:41,767 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-07-20 02:19:41,767 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-07-20 02:19:41,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 02:19:41,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 02:19:41,767 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-20 02:19:41,767 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-20 02:19:41,767 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-20 02:19:41,767 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-20 02:19:41,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-20 02:19:41,767 INFO L130 BoogieDeclarations]: Found specification of procedure jme_fill_tx_map [2022-07-20 02:19:41,767 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_fill_tx_map [2022-07-20 02:19:41,768 INFO L130 BoogieDeclarations]: Found specification of procedure jme_free_tx_resources [2022-07-20 02:19:41,768 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_free_tx_resources [2022-07-20 02:19:41,768 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-20 02:19:41,768 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-20 02:19:41,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-20 02:19:41,768 INFO L130 BoogieDeclarations]: Found specification of procedure jme_polling_mode [2022-07-20 02:19:41,768 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_polling_mode [2022-07-20 02:19:41,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-20 02:19:41,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 02:19:41,768 INFO L130 BoogieDeclarations]: Found specification of procedure napi_disable_pending [2022-07-20 02:19:41,768 INFO L138 BoogieDeclarations]: Found implementation of procedure napi_disable_pending [2022-07-20 02:19:41,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-20 02:19:41,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 02:19:41,768 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 02:19:41,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 02:19:41,768 INFO L130 BoogieDeclarations]: Found specification of procedure jme_remove_one [2022-07-20 02:19:41,768 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_remove_one [2022-07-20 02:19:41,768 INFO L130 BoogieDeclarations]: Found specification of procedure jme_powersave_phy [2022-07-20 02:19:41,768 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_powersave_phy [2022-07-20 02:19:41,768 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_rxclk_on [2022-07-20 02:19:41,769 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_rxclk_on [2022-07-20 02:19:41,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_jme_cleanup_module_13_2 [2022-07-20 02:19:41,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_jme_cleanup_module_13_2 [2022-07-20 02:19:41,769 INFO L130 BoogieDeclarations]: Found specification of procedure new_phy_power_ctrl [2022-07-20 02:19:41,769 INFO L138 BoogieDeclarations]: Found implementation of procedure new_phy_power_ctrl [2022-07-20 02:19:41,769 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-20 02:19:41,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-20 02:19:41,769 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-20 02:19:41,769 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-20 02:19:41,769 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-07-20 02:19:41,769 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-07-20 02:19:41,769 INFO L130 BoogieDeclarations]: Found specification of procedure jme_intr_msi [2022-07-20 02:19:41,769 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_intr_msi [2022-07-20 02:19:41,769 INFO L130 BoogieDeclarations]: Found specification of procedure jwrite32f [2022-07-20 02:19:41,769 INFO L138 BoogieDeclarations]: Found implementation of procedure jwrite32f [2022-07-20 02:19:41,769 INFO L130 BoogieDeclarations]: Found specification of procedure smi_reg_addr [2022-07-20 02:19:41,769 INFO L138 BoogieDeclarations]: Found implementation of procedure smi_reg_addr [2022-07-20 02:19:41,769 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_settings [2022-07-20 02:19:41,769 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_settings [2022-07-20 02:19:41,769 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-20 02:19:41,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-20 02:19:41,770 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-20 02:19:41,770 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-20 02:19:41,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 02:19:41,770 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 02:19:41,770 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-20 02:19:41,770 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-20 02:19:41,770 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-20 02:19:41,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-20 02:19:41,770 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_kill [2022-07-20 02:19:41,770 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_kill [2022-07-20 02:19:41,770 INFO L130 BoogieDeclarations]: Found specification of procedure jme_nway_reset [2022-07-20 02:19:41,770 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_nway_reset [2022-07-20 02:19:41,770 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-20 02:19:41,770 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-20 02:19:41,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 02:19:41,770 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-07-20 02:19:41,770 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-07-20 02:19:41,770 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-20 02:19:41,770 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-20 02:19:41,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 02:19:41,771 INFO L130 BoogieDeclarations]: Found specification of procedure jme_free_rx_resources [2022-07-20 02:19:41,771 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_free_rx_resources [2022-07-20 02:19:41,771 INFO L130 BoogieDeclarations]: Found specification of procedure jme_resume [2022-07-20 02:19:41,771 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_resume [2022-07-20 02:19:41,771 INFO L130 BoogieDeclarations]: Found specification of procedure jme_tx_timeout [2022-07-20 02:19:41,771 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_tx_timeout [2022-07-20 02:19:41,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-20 02:19:41,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-20 02:19:41,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-20 02:19:41,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-20 02:19:41,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 02:19:41,775 INFO L130 BoogieDeclarations]: Found specification of procedure jme_disable_tx_engine [2022-07-20 02:19:41,776 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_disable_tx_engine [2022-07-20 02:19:41,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-20 02:19:41,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-20 02:19:41,776 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2022-07-20 02:19:41,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~TO~VOID [2022-07-20 02:19:41,776 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-20 02:19:41,776 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-20 02:19:41,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 02:19:41,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 02:19:41,777 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_txclk_off [2022-07-20 02:19:41,777 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_txclk_off [2022-07-20 02:19:41,777 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_setEA [2022-07-20 02:19:41,777 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_setEA [2022-07-20 02:19:41,777 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-07-20 02:19:41,777 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-07-20 02:19:41,777 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_multi [2022-07-20 02:19:41,777 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_multi [2022-07-20 02:19:41,778 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-07-20 02:19:41,778 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-07-20 02:19:41,778 INFO L130 BoogieDeclarations]: Found specification of procedure mmapio_memcpy [2022-07-20 02:19:41,778 INFO L138 BoogieDeclarations]: Found implementation of procedure mmapio_memcpy [2022-07-20 02:19:41,778 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_87 [2022-07-20 02:19:41,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_87 [2022-07-20 02:19:41,778 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-20 02:19:41,778 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-20 02:19:41,778 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-20 02:19:41,779 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-20 02:19:41,779 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_specreg_read [2022-07-20 02:19:41,779 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_specreg_read [2022-07-20 02:19:41,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_81 [2022-07-20 02:19:41,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_81 [2022-07-20 02:19:41,779 INFO L130 BoogieDeclarations]: Found specification of procedure jme_clear_pm [2022-07-20 02:19:41,779 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_clear_pm [2022-07-20 02:19:41,779 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_disable [2022-07-20 02:19:41,779 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_disable [2022-07-20 02:19:41,780 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-20 02:19:41,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-20 02:19:41,780 INFO L130 BoogieDeclarations]: Found specification of procedure jme_close [2022-07-20 02:19:41,780 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_close [2022-07-20 02:19:41,780 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-20 02:19:41,780 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-20 02:19:41,780 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_79 [2022-07-20 02:19:41,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_79 [2022-07-20 02:19:41,780 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-20 02:19:41,781 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-20 02:19:41,781 INFO L130 BoogieDeclarations]: Found specification of procedure jme_stop_irq [2022-07-20 02:19:41,781 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_stop_irq [2022-07-20 02:19:41,781 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 02:19:41,781 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 02:19:41,781 INFO L130 BoogieDeclarations]: Found specification of procedure jme_shutdown [2022-07-20 02:19:41,781 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_shutdown [2022-07-20 02:19:41,781 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-20 02:19:41,781 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mac_rxclk_off [2022-07-20 02:19:41,782 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mac_rxclk_off [2022-07-20 02:19:41,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-20 02:19:41,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-20 02:19:41,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-20 02:19:41,782 INFO L130 BoogieDeclarations]: Found specification of procedure jme_reset_phy_processor [2022-07-20 02:19:41,782 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_reset_phy_processor [2022-07-20 02:19:41,782 INFO L130 BoogieDeclarations]: Found specification of procedure jme_suspend [2022-07-20 02:19:41,782 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_suspend [2022-07-20 02:19:41,782 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 02:19:41,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 02:19:41,783 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_specreg_write [2022-07-20 02:19:41,783 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_specreg_write [2022-07-20 02:19:41,783 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-20 02:19:41,783 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-20 02:19:41,783 INFO L130 BoogieDeclarations]: Found specification of procedure jme_phy_off [2022-07-20 02:19:41,783 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_phy_off [2022-07-20 02:19:41,783 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_phyfifo_5level [2022-07-20 02:19:41,783 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_phyfifo_5level [2022-07-20 02:19:41,784 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-20 02:19:41,784 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-20 02:19:41,784 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-20 02:19:41,784 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-20 02:19:41,784 INFO L130 BoogieDeclarations]: Found specification of procedure jme_get_eeprom_len [2022-07-20 02:19:41,784 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_get_eeprom_len [2022-07-20 02:19:41,784 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_nonlinear [2022-07-20 02:19:41,784 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_nonlinear [2022-07-20 02:19:41,784 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 02:19:41,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 02:19:41,785 INFO L130 BoogieDeclarations]: Found specification of procedure jme_stop_pcc_timer [2022-07-20 02:19:41,785 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_stop_pcc_timer [2022-07-20 02:19:41,785 INFO L130 BoogieDeclarations]: Found specification of procedure jme_interrupt_mode [2022-07-20 02:19:41,785 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_interrupt_mode [2022-07-20 02:19:41,785 INFO L130 BoogieDeclarations]: Found specification of procedure jme_set_settings [2022-07-20 02:19:41,786 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_set_settings [2022-07-20 02:19:41,786 INFO L130 BoogieDeclarations]: Found specification of procedure jme_mdio_read [2022-07-20 02:19:41,786 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_mdio_read [2022-07-20 02:19:41,786 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-20 02:19:41,786 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-20 02:19:41,787 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-20 02:19:41,787 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-20 02:19:41,787 INFO L130 BoogieDeclarations]: Found specification of procedure jme_open [2022-07-20 02:19:41,787 INFO L138 BoogieDeclarations]: Found implementation of procedure jme_open [2022-07-20 02:19:41,787 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-20 02:19:41,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-20 02:19:41,787 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_sync_single_for_device [2022-07-20 02:19:41,787 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_sync_single_for_device [2022-07-20 02:19:41,788 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_enable [2022-07-20 02:19:41,788 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_enable [2022-07-20 02:19:42,615 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 02:19:42,620 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 02:19:49,452 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 02:20:30,883 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-20 02:20:31,660 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 02:20:31,702 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 02:20:31,702 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-07-20 02:20:31,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:20:31 BoogieIcfgContainer [2022-07-20 02:20:31,706 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 02:20:31,708 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 02:20:31,709 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 02:20:31,713 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 02:20:31,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 02:19:36" (1/3) ... [2022-07-20 02:20:31,714 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5508cd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:20:31, skipping insertion in model container [2022-07-20 02:20:31,714 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:19:41" (2/3) ... [2022-07-20 02:20:31,715 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5508cd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:20:31, skipping insertion in model container [2022-07-20 02:20:31,716 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:20:31" (3/3) ... [2022-07-20 02:20:31,717 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-jme.cil.i [2022-07-20 02:20:31,728 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 02:20:31,728 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-20 02:20:31,818 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 02:20:31,823 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@758db80c, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@62ede336 [2022-07-20 02:20:31,824 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-20 02:20:31,834 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) [2022-07-20 02:20:31,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2022-07-20 02:20:31,851 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:20:31,852 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] [2022-07-20 02:20:31,855 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)] === [2022-07-20 02:20:31,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:20:31,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1489807384, now seen corresponding path program 1 times [2022-07-20 02:20:31,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:20:31,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1896616768] [2022-07-20 02:20:31,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:20:31,877 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:20:31,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:20:31,879 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) [2022-07-20 02:20:31,886 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-20 02:20:33,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:20:33,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 1280 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:20:33,179 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:20:33,553 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1377 trivial. 0 not checked. [2022-07-20 02:20:33,553 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:20:33,554 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:20:33,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1896616768] [2022-07-20 02:20:33,554 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1896616768] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:20:33,554 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:20:33,554 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:20:33,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258285093] [2022-07-20 02:20:33,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:20:33,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:20:33,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:20:33,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:20:33,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:20:33,594 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) [2022-07-20 02:20:34,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:20:34,202 INFO L93 Difference]: Finished difference Result 7841 states and 11113 transitions. [2022-07-20 02:20:34,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:20:34,207 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 [2022-07-20 02:20:34,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:20:34,241 INFO L225 Difference]: With dead ends: 7841 [2022-07-20 02:20:34,241 INFO L226 Difference]: Without dead ends: 5184 [2022-07-20 02:20:34,257 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 [2022-07-20 02:20:34,259 INFO L413 NwaCegarLoop]: 4378 mSDtfsCounter, 3525 mSDsluCounter, 3640 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3525 SdHoareTripleChecker+Valid, 8018 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 02:20:34,259 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] [2022-07-20 02:20:34,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5184 states. [2022-07-20 02:20:34,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5184 to 5180. [2022-07-20 02:20:34,445 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) [2022-07-20 02:20:34,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5180 states to 5180 states and 7159 transitions. [2022-07-20 02:20:34,474 INFO L78 Accepts]: Start accepts. Automaton has 5180 states and 7159 transitions. Word has length 226 [2022-07-20 02:20:34,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:20:34,475 INFO L495 AbstractCegarLoop]: Abstraction has 5180 states and 7159 transitions. [2022-07-20 02:20:34,476 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) [2022-07-20 02:20:34,476 INFO L276 IsEmpty]: Start isEmpty. Operand 5180 states and 7159 transitions. [2022-07-20 02:20:34,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2022-07-20 02:20:34,483 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:20:34,483 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] [2022-07-20 02:20:34,511 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-20 02:20:34,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:20:34,684 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)] === [2022-07-20 02:20:34,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:20:34,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1238043182, now seen corresponding path program 1 times [2022-07-20 02:20:34,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:20:34,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1054912956] [2022-07-20 02:20:34,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:20:34,687 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:20:34,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:20:34,689 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) [2022-07-20 02:20:34,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-20 02:20:35,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:20:35,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 1372 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:20:35,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:20:36,189 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1377 trivial. 0 not checked. [2022-07-20 02:20:36,189 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:20:36,190 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:20:36,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1054912956] [2022-07-20 02:20:36,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1054912956] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:20:36,190 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:20:36,190 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:20:36,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1784381102] [2022-07-20 02:20:36,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:20:36,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:20:36,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:20:36,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:20:36,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:20:36,197 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) [2022-07-20 02:20:37,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:20:37,536 INFO L93 Difference]: Finished difference Result 14052 states and 19387 transitions. [2022-07-20 02:20:37,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:20:37,537 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 [2022-07-20 02:20:37,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:20:37,588 INFO L225 Difference]: With dead ends: 14052 [2022-07-20 02:20:37,589 INFO L226 Difference]: Without dead ends: 8913 [2022-07-20 02:20:37,612 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 [2022-07-20 02:20:37,613 INFO L413 NwaCegarLoop]: 4225 mSDtfsCounter, 2625 mSDsluCounter, 3552 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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 [2022-07-20 02:20:37,614 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] [2022-07-20 02:20:37,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8913 states. [2022-07-20 02:20:37,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8913 to 8879. [2022-07-20 02:20:37,818 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) [2022-07-20 02:20:37,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8879 states to 8879 states and 12230 transitions. [2022-07-20 02:20:37,855 INFO L78 Accepts]: Start accepts. Automaton has 8879 states and 12230 transitions. Word has length 235 [2022-07-20 02:20:37,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:20:37,857 INFO L495 AbstractCegarLoop]: Abstraction has 8879 states and 12230 transitions. [2022-07-20 02:20:37,857 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) [2022-07-20 02:20:37,857 INFO L276 IsEmpty]: Start isEmpty. Operand 8879 states and 12230 transitions. [2022-07-20 02:20:37,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-07-20 02:20:37,861 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:20:37,861 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] [2022-07-20 02:20:37,906 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-20 02:20:38,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:20:38,078 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)] === [2022-07-20 02:20:38,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:20:38,079 INFO L85 PathProgramCache]: Analyzing trace with hash 868734910, now seen corresponding path program 1 times [2022-07-20 02:20:38,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:20:38,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [713198964] [2022-07-20 02:20:38,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:20:38,080 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:20:38,080 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:20:38,088 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) [2022-07-20 02:20:38,129 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-20 02:20:39,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:20:39,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 1397 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:20:39,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:20:39,452 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1377 trivial. 0 not checked. [2022-07-20 02:20:39,453 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:20:39,453 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:20:39,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [713198964] [2022-07-20 02:20:39,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [713198964] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:20:39,453 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:20:39,453 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:20:39,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024506316] [2022-07-20 02:20:39,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:20:39,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:20:39,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:20:39,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:20:39,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:20:39,455 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) [2022-07-20 02:20:40,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:20:40,978 INFO L93 Difference]: Finished difference Result 25541 states and 35174 transitions. [2022-07-20 02:20:40,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:20:40,979 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 [2022-07-20 02:20:40,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:20:41,082 INFO L225 Difference]: With dead ends: 25541 [2022-07-20 02:20:41,082 INFO L226 Difference]: Without dead ends: 16703 [2022-07-20 02:20:41,118 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 [2022-07-20 02:20:41,120 INFO L413 NwaCegarLoop]: 4758 mSDtfsCounter, 3325 mSDsluCounter, 3576 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3325 SdHoareTripleChecker+Valid, 8334 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-20 02:20:41,122 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3325 Valid, 8334 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-20 02:20:41,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16703 states. [2022-07-20 02:20:41,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16703 to 16665. [2022-07-20 02:20:41,554 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) [2022-07-20 02:20:41,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16665 states to 16665 states and 22836 transitions. [2022-07-20 02:20:41,630 INFO L78 Accepts]: Start accepts. Automaton has 16665 states and 22836 transitions. Word has length 238 [2022-07-20 02:20:41,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:20:41,633 INFO L495 AbstractCegarLoop]: Abstraction has 16665 states and 22836 transitions. [2022-07-20 02:20:41,634 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) [2022-07-20 02:20:41,635 INFO L276 IsEmpty]: Start isEmpty. Operand 16665 states and 22836 transitions. [2022-07-20 02:20:41,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-07-20 02:20:41,640 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:20:41,640 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] [2022-07-20 02:20:41,664 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-20 02:20:41,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:20:41,859 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)] === [2022-07-20 02:20:41,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:20:41,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1256873516, now seen corresponding path program 1 times [2022-07-20 02:20:41,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:20:41,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [87089698] [2022-07-20 02:20:41,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:20:41,861 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:20:41,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:20:41,866 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) [2022-07-20 02:20:41,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-20 02:20:42,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:20:42,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 1358 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:20:42,946 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:20:43,240 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 1377 trivial. 0 not checked. [2022-07-20 02:20:43,241 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:20:43,241 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:20:43,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [87089698] [2022-07-20 02:20:43,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [87089698] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:20:43,241 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:20:43,241 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:20:43,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811257357] [2022-07-20 02:20:43,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:20:43,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:20:43,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:20:43,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:20:43,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:20:43,242 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) [2022-07-20 02:20:44,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:20:44,442 INFO L93 Difference]: Finished difference Result 34680 states and 47410 transitions. [2022-07-20 02:20:44,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:20:44,443 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 [2022-07-20 02:20:44,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:20:44,559 INFO L225 Difference]: With dead ends: 34680 [2022-07-20 02:20:44,559 INFO L226 Difference]: Without dead ends: 18056 [2022-07-20 02:20:44,640 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 [2022-07-20 02:20:44,642 INFO L413 NwaCegarLoop]: 5321 mSDtfsCounter, 3102 mSDsluCounter, 3605 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3102 SdHoareTripleChecker+Valid, 8926 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-20 02:20:44,643 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3102 Valid, 8926 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-20 02:20:44,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18056 states. [2022-07-20 02:20:45,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18056 to 18020. [2022-07-20 02:20:45,335 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) [2022-07-20 02:20:45,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18020 states to 18020 states and 24488 transitions. [2022-07-20 02:20:45,441 INFO L78 Accepts]: Start accepts. Automaton has 18020 states and 24488 transitions. Word has length 242 [2022-07-20 02:20:45,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:20:45,442 INFO L495 AbstractCegarLoop]: Abstraction has 18020 states and 24488 transitions. [2022-07-20 02:20:45,442 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) [2022-07-20 02:20:45,442 INFO L276 IsEmpty]: Start isEmpty. Operand 18020 states and 24488 transitions. [2022-07-20 02:20:45,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2022-07-20 02:20:45,446 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:20:45,446 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] [2022-07-20 02:20:45,472 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-20 02:20:45,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:20:45,659 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)] === [2022-07-20 02:20:45,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:20:45,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1225135496, now seen corresponding path program 1 times [2022-07-20 02:20:45,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:20:45,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [289259073] [2022-07-20 02:20:45,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:20:45,661 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:20:45,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:20:45,663 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) [2022-07-20 02:20:45,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-20 02:20:46,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:20:46,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 1430 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:20:46,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:20:47,171 INFO L134 CoverageAnalysis]: Checked inductivity of 1495 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 1377 trivial. 0 not checked. [2022-07-20 02:20:47,171 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:20:47,171 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:20:47,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [289259073] [2022-07-20 02:20:47,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [289259073] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:20:47,171 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:20:47,171 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:20:47,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303629248] [2022-07-20 02:20:47,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:20:47,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:20:47,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:20:47,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:20:47,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:20:47,173 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) [2022-07-20 02:20:48,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:20:48,299 INFO L93 Difference]: Finished difference Result 46864 states and 63764 transitions. [2022-07-20 02:20:48,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:20:48,300 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 [2022-07-20 02:20:48,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:20:48,679 INFO L225 Difference]: With dead ends: 46864 [2022-07-20 02:20:48,679 INFO L226 Difference]: Without dead ends: 28885 [2022-07-20 02:20:48,736 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 [2022-07-20 02:20:48,737 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 [2022-07-20 02:20:48,738 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] [2022-07-20 02:20:48,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28885 states. [2022-07-20 02:20:49,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28885 to 28839. [2022-07-20 02:20:49,799 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) [2022-07-20 02:20:49,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28839 states to 28839 states and 39186 transitions. [2022-07-20 02:20:49,915 INFO L78 Accepts]: Start accepts. Automaton has 28839 states and 39186 transitions. Word has length 263 [2022-07-20 02:20:49,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:20:49,916 INFO L495 AbstractCegarLoop]: Abstraction has 28839 states and 39186 transitions. [2022-07-20 02:20:49,916 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) [2022-07-20 02:20:49,917 INFO L276 IsEmpty]: Start isEmpty. Operand 28839 states and 39186 transitions. [2022-07-20 02:20:49,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2022-07-20 02:20:49,919 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:20:49,920 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] [2022-07-20 02:20:49,968 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-20 02:20:50,148 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:20:50,148 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)] === [2022-07-20 02:20:50,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:20:50,149 INFO L85 PathProgramCache]: Analyzing trace with hash 1245104927, now seen corresponding path program 1 times [2022-07-20 02:20:50,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:20:50,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [544357175] [2022-07-20 02:20:50,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:20:50,150 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:20:50,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:20:50,160 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) [2022-07-20 02:20:50,161 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-20 02:20:51,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:20:51,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 1405 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:20:51,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:20:51,505 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 1560 trivial. 0 not checked. [2022-07-20 02:20:51,505 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:20:51,505 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:20:51,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [544357175] [2022-07-20 02:20:51,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [544357175] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:20:51,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:20:51,505 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:20:51,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537060153] [2022-07-20 02:20:51,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:20:51,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:20:51,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:20:51,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:20:51,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:20:51,506 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) [2022-07-20 02:20:52,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:20:52,947 INFO L93 Difference]: Finished difference Result 85265 states and 115909 transitions. [2022-07-20 02:20:52,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:20:52,948 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 [2022-07-20 02:20:52,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:20:53,218 INFO L225 Difference]: With dead ends: 85265 [2022-07-20 02:20:53,219 INFO L226 Difference]: Without dead ends: 56579 [2022-07-20 02:20:53,321 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 [2022-07-20 02:20:53,323 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 [2022-07-20 02:20:53,323 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] [2022-07-20 02:20:53,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56579 states. [2022-07-20 02:20:54,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56579 to 56575. [2022-07-20 02:20:55,202 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) [2022-07-20 02:20:55,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56575 states to 56575 states and 76829 transitions. [2022-07-20 02:20:55,500 INFO L78 Accepts]: Start accepts. Automaton has 56575 states and 76829 transitions. Word has length 282 [2022-07-20 02:20:55,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:20:55,501 INFO L495 AbstractCegarLoop]: Abstraction has 56575 states and 76829 transitions. [2022-07-20 02:20:55,501 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) [2022-07-20 02:20:55,502 INFO L276 IsEmpty]: Start isEmpty. Operand 56575 states and 76829 transitions. [2022-07-20 02:20:55,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2022-07-20 02:20:55,505 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:20:55,505 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] [2022-07-20 02:20:55,534 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-20 02:20:55,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:20:55,719 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)] === [2022-07-20 02:20:55,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:20:55,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1385653537, now seen corresponding path program 1 times [2022-07-20 02:20:55,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:20:55,721 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [381284974] [2022-07-20 02:20:55,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:20:55,721 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:20:55,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:20:55,723 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) [2022-07-20 02:20:55,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-20 02:20:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:20:57,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 1405 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 02:20:57,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:21:01,921 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1645 trivial. 0 not checked. [2022-07-20 02:21:01,921 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:21:01,921 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:21:01,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [381284974] [2022-07-20 02:21:01,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [381284974] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:21:01,921 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:21:01,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-20 02:21:01,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647128865] [2022-07-20 02:21:01,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:21:01,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 02:21:01,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:21:01,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 02:21:01,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:21:01,923 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) [2022-07-20 02:21:03,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:21:03,404 INFO L93 Difference]: Finished difference Result 56581 states and 76834 transitions. [2022-07-20 02:21:03,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:21:03,411 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 [2022-07-20 02:21:03,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:21:03,775 INFO L225 Difference]: With dead ends: 56581 [2022-07-20 02:21:03,776 INFO L226 Difference]: Without dead ends: 56579 [2022-07-20 02:21:03,808 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 [2022-07-20 02:21:03,809 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, 0.3s IncrementalHoareTripleChecker+Time [2022-07-20 02:21:03,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3563 Valid, 10984 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-20 02:21:03,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56579 states. [2022-07-20 02:21:05,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56579 to 56579. [2022-07-20 02:21:05,536 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) [2022-07-20 02:21:05,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56579 states to 56579 states and 76832 transitions. [2022-07-20 02:21:05,861 INFO L78 Accepts]: Start accepts. Automaton has 56579 states and 76832 transitions. Word has length 282 [2022-07-20 02:21:05,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:21:05,863 INFO L495 AbstractCegarLoop]: Abstraction has 56579 states and 76832 transitions. [2022-07-20 02:21:05,863 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) [2022-07-20 02:21:05,864 INFO L276 IsEmpty]: Start isEmpty. Operand 56579 states and 76832 transitions. [2022-07-20 02:21:05,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2022-07-20 02:21:05,893 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:21:05,893 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] [2022-07-20 02:21:05,923 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-20 02:21:06,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:21:06,094 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)] === [2022-07-20 02:21:06,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:21:06,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1896019683, now seen corresponding path program 1 times [2022-07-20 02:21:06,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:21:06,096 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [710618993] [2022-07-20 02:21:06,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:21:06,096 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:21:06,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:21:06,098 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) [2022-07-20 02:21:06,099 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-20 02:21:07,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:21:07,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 1412 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 02:21:07,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:21:12,170 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1645 trivial. 0 not checked. [2022-07-20 02:21:12,170 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 02:21:13,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1647 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1645 trivial. 0 not checked. [2022-07-20 02:21:13,851 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:21:13,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [710618993] [2022-07-20 02:21:13,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [710618993] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-20 02:21:13,852 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 02:21:13,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-20 02:21:13,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [271150157] [2022-07-20 02:21:13,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:21:13,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 02:21:13,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:21:13,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 02:21:13,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:21:13,853 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) [2022-07-20 02:21:15,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:21:15,270 INFO L93 Difference]: Finished difference Result 56585 states and 76837 transitions. [2022-07-20 02:21:15,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 02:21:15,271 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 [2022-07-20 02:21:15,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:21:15,546 INFO L225 Difference]: With dead ends: 56585 [2022-07-20 02:21:15,547 INFO L226 Difference]: Without dead ends: 56583 [2022-07-20 02:21:15,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 575 GetRequests, 567 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-20 02:21:15,692 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 [2022-07-20 02:21:15,692 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] [2022-07-20 02:21:15,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56583 states. [2022-07-20 02:21:17,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56583 to 56583. [2022-07-20 02:21:17,192 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) [2022-07-20 02:21:17,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56583 states to 56583 states and 76835 transitions. [2022-07-20 02:21:17,409 INFO L78 Accepts]: Start accepts. Automaton has 56583 states and 76835 transitions. Word has length 287 [2022-07-20 02:21:17,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:21:17,410 INFO L495 AbstractCegarLoop]: Abstraction has 56583 states and 76835 transitions. [2022-07-20 02:21:17,410 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) [2022-07-20 02:21:17,410 INFO L276 IsEmpty]: Start isEmpty. Operand 56583 states and 76835 transitions. [2022-07-20 02:21:17,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2022-07-20 02:21:17,413 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:21:17,413 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] [2022-07-20 02:21:17,440 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-20 02:21:17,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:21:17,627 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)] === [2022-07-20 02:21:17,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:21:17,628 INFO L85 PathProgramCache]: Analyzing trace with hash 1465075233, now seen corresponding path program 1 times [2022-07-20 02:21:17,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:21:17,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [277760166] [2022-07-20 02:21:17,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:21:17,629 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:21:17,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:21:17,630 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) [2022-07-20 02:21:17,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-20 02:21:18,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:21:18,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 1419 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 02:21:18,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:21:23,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1649 trivial. 0 not checked. [2022-07-20 02:21:23,322 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 02:21:25,012 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1649 trivial. 0 not checked. [2022-07-20 02:21:25,012 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:21:25,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [277760166] [2022-07-20 02:21:25,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [277760166] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-20 02:21:25,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 02:21:25,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-20 02:21:25,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978449824] [2022-07-20 02:21:25,013 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:21:25,013 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 02:21:25,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:21:25,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 02:21:25,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:21:25,013 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) [2022-07-20 02:21:26,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:21:26,784 INFO L93 Difference]: Finished difference Result 56589 states and 76840 transitions. [2022-07-20 02:21:26,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 02:21:26,785 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 [2022-07-20 02:21:26,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:21:26,973 INFO L225 Difference]: With dead ends: 56589 [2022-07-20 02:21:26,974 INFO L226 Difference]: Without dead ends: 56587 [2022-07-20 02:21:26,996 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 [2022-07-20 02:21:26,997 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 [2022-07-20 02:21:26,997 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] [2022-07-20 02:21:27,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56587 states. [2022-07-20 02:21:28,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56587 to 56587. [2022-07-20 02:21:28,648 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) [2022-07-20 02:21:28,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56587 states to 56587 states and 76838 transitions. [2022-07-20 02:21:28,877 INFO L78 Accepts]: Start accepts. Automaton has 56587 states and 76838 transitions. Word has length 292 [2022-07-20 02:21:28,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:21:28,878 INFO L495 AbstractCegarLoop]: Abstraction has 56587 states and 76838 transitions. [2022-07-20 02:21:28,878 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) [2022-07-20 02:21:28,878 INFO L276 IsEmpty]: Start isEmpty. Operand 56587 states and 76838 transitions. [2022-07-20 02:21:28,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2022-07-20 02:21:28,881 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:21:28,882 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] [2022-07-20 02:21:28,908 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-20 02:21:29,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:21:29,100 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)] === [2022-07-20 02:21:29,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:21:29,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1059633280, now seen corresponding path program 1 times [2022-07-20 02:21:29,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:21:29,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [370892164] [2022-07-20 02:21:29,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:21:29,101 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:21:29,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:21:29,103 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) [2022-07-20 02:21:29,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-20 02:21:30,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:21:30,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 1473 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:21:30,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:21:30,333 INFO L134 CoverageAnalysis]: Checked inductivity of 1674 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 1582 trivial. 0 not checked. [2022-07-20 02:21:30,333 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:21:30,333 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:21:30,333 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [370892164] [2022-07-20 02:21:30,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [370892164] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:21:30,333 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:21:30,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:21:30,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129465245] [2022-07-20 02:21:30,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:21:30,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:21:30,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:21:30,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:21:30,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:21:30,334 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) [2022-07-20 02:21:32,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:21:32,823 INFO L93 Difference]: Finished difference Result 140812 states and 191292 transitions. [2022-07-20 02:21:32,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:21:32,824 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 [2022-07-20 02:21:32,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:21:33,410 INFO L225 Difference]: With dead ends: 140812 [2022-07-20 02:21:33,410 INFO L226 Difference]: Without dead ends: 84378 [2022-07-20 02:21:33,585 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 [2022-07-20 02:21:33,586 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 [2022-07-20 02:21:33,586 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] [2022-07-20 02:21:33,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84378 states. [2022-07-20 02:21:36,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84378 to 84339. [2022-07-20 02:21:36,134 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) [2022-07-20 02:21:36,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84339 states to 84339 states and 114497 transitions. [2022-07-20 02:21:36,534 INFO L78 Accepts]: Start accepts. Automaton has 84339 states and 114497 transitions. Word has length 308 [2022-07-20 02:21:36,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:21:36,535 INFO L495 AbstractCegarLoop]: Abstraction has 84339 states and 114497 transitions. [2022-07-20 02:21:36,535 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) [2022-07-20 02:21:36,535 INFO L276 IsEmpty]: Start isEmpty. Operand 84339 states and 114497 transitions. [2022-07-20 02:21:36,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2022-07-20 02:21:36,539 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:21:36,539 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] [2022-07-20 02:21:36,566 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-20 02:21:36,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:21:36,763 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)] === [2022-07-20 02:21:36,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:21:36,764 INFO L85 PathProgramCache]: Analyzing trace with hash 465954147, now seen corresponding path program 1 times [2022-07-20 02:21:36,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:21:36,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1294344583] [2022-07-20 02:21:36,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:21:36,765 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:21:36,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:21:36,767 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) [2022-07-20 02:21:36,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-20 02:21:37,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:21:37,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 1426 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 02:21:37,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:21:42,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1663 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1657 trivial. 0 not checked. [2022-07-20 02:21:42,248 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 02:21:43,777 INFO L134 CoverageAnalysis]: Checked inductivity of 1663 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1657 trivial. 0 not checked. [2022-07-20 02:21:43,778 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:21:43,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1294344583] [2022-07-20 02:21:43,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1294344583] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-20 02:21:43,778 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 02:21:43,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-20 02:21:43,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183941788] [2022-07-20 02:21:43,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:21:43,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 02:21:43,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:21:43,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 02:21:43,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:21:43,779 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) [2022-07-20 02:21:46,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:21:46,092 INFO L93 Difference]: Finished difference Result 84345 states and 114502 transitions. [2022-07-20 02:21:46,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 02:21:46,093 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 [2022-07-20 02:21:46,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:21:46,461 INFO L225 Difference]: With dead ends: 84345 [2022-07-20 02:21:46,461 INFO L226 Difference]: Without dead ends: 84343 [2022-07-20 02:21:46,498 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 [2022-07-20 02:21:46,499 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 [2022-07-20 02:21:46,499 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] [2022-07-20 02:21:46,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84343 states. [2022-07-20 02:21:49,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84343 to 84343. [2022-07-20 02:21:49,280 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) [2022-07-20 02:21:49,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84343 states to 84343 states and 114500 transitions. [2022-07-20 02:21:49,648 INFO L78 Accepts]: Start accepts. Automaton has 84343 states and 114500 transitions. Word has length 297 [2022-07-20 02:21:49,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:21:49,649 INFO L495 AbstractCegarLoop]: Abstraction has 84343 states and 114500 transitions. [2022-07-20 02:21:49,649 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) [2022-07-20 02:21:49,649 INFO L276 IsEmpty]: Start isEmpty. Operand 84343 states and 114500 transitions. [2022-07-20 02:21:49,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2022-07-20 02:21:49,652 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:21:49,653 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] [2022-07-20 02:21:49,680 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-07-20 02:21:49,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:21:49,878 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)] === [2022-07-20 02:21:49,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:21:49,879 INFO L85 PathProgramCache]: Analyzing trace with hash 299603745, now seen corresponding path program 1 times [2022-07-20 02:21:49,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:21:49,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [421644553] [2022-07-20 02:21:49,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:21:49,880 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:21:49,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:21:49,882 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) [2022-07-20 02:21:49,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-20 02:21:50,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:21:50,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 1433 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 02:21:50,952 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:21:55,385 INFO L134 CoverageAnalysis]: Checked inductivity of 1677 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1669 trivial. 0 not checked. [2022-07-20 02:21:55,386 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 02:21:57,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1677 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1669 trivial. 0 not checked. [2022-07-20 02:21:57,174 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:21:57,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [421644553] [2022-07-20 02:21:57,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [421644553] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-20 02:21:57,174 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 02:21:57,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-20 02:21:57,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457080408] [2022-07-20 02:21:57,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:21:57,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 02:21:57,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:21:57,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 02:21:57,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:21:57,175 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) [2022-07-20 02:21:59,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:21:59,386 INFO L93 Difference]: Finished difference Result 84349 states and 114505 transitions. [2022-07-20 02:21:59,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 02:21:59,387 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 [2022-07-20 02:21:59,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:21:59,707 INFO L225 Difference]: With dead ends: 84349 [2022-07-20 02:21:59,707 INFO L226 Difference]: Without dead ends: 84347 [2022-07-20 02:21:59,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 605 GetRequests, 597 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-20 02:21:59,746 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 [2022-07-20 02:21:59,746 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] [2022-07-20 02:21:59,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84347 states. [2022-07-20 02:22:02,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84347 to 84347. [2022-07-20 02:22:02,565 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) [2022-07-20 02:22:02,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84347 states to 84347 states and 114503 transitions. [2022-07-20 02:22:02,915 INFO L78 Accepts]: Start accepts. Automaton has 84347 states and 114503 transitions. Word has length 302 [2022-07-20 02:22:02,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:22:02,916 INFO L495 AbstractCegarLoop]: Abstraction has 84347 states and 114503 transitions. [2022-07-20 02:22:02,917 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) [2022-07-20 02:22:02,917 INFO L276 IsEmpty]: Start isEmpty. Operand 84347 states and 114503 transitions. [2022-07-20 02:22:02,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2022-07-20 02:22:02,922 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:22:02,922 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] [2022-07-20 02:22:02,964 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-07-20 02:22:03,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:22:03,135 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)] === [2022-07-20 02:22:03,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:22:03,136 INFO L85 PathProgramCache]: Analyzing trace with hash -285056029, now seen corresponding path program 1 times [2022-07-20 02:22:03,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:22:03,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [160916679] [2022-07-20 02:22:03,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:22:03,137 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:22:03,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:22:03,147 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) [2022-07-20 02:22:03,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-07-20 02:22:04,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:04,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 1440 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 02:22:04,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:22:08,867 INFO L134 CoverageAnalysis]: Checked inductivity of 1695 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1685 trivial. 0 not checked. [2022-07-20 02:22:08,867 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 02:22:10,520 INFO L134 CoverageAnalysis]: Checked inductivity of 1695 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1685 trivial. 0 not checked. [2022-07-20 02:22:10,520 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:22:10,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [160916679] [2022-07-20 02:22:10,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [160916679] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-20 02:22:10,520 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 02:22:10,520 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-20 02:22:10,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851846890] [2022-07-20 02:22:10,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:22:10,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 02:22:10,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:22:10,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 02:22:10,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:22:10,521 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) [2022-07-20 02:22:13,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:22:13,011 INFO L93 Difference]: Finished difference Result 84353 states and 114508 transitions. [2022-07-20 02:22:13,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 02:22:13,012 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 [2022-07-20 02:22:13,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:22:13,448 INFO L225 Difference]: With dead ends: 84353 [2022-07-20 02:22:13,449 INFO L226 Difference]: Without dead ends: 84351 [2022-07-20 02:22:13,502 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 [2022-07-20 02:22:13,502 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 [2022-07-20 02:22:13,503 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] [2022-07-20 02:22:13,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84351 states. [2022-07-20 02:22:16,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84351 to 84351. [2022-07-20 02:22:16,303 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) [2022-07-20 02:22:16,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84351 states to 84351 states and 114506 transitions. [2022-07-20 02:22:16,643 INFO L78 Accepts]: Start accepts. Automaton has 84351 states and 114506 transitions. Word has length 307 [2022-07-20 02:22:16,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:22:16,644 INFO L495 AbstractCegarLoop]: Abstraction has 84351 states and 114506 transitions. [2022-07-20 02:22:16,644 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) [2022-07-20 02:22:16,644 INFO L276 IsEmpty]: Start isEmpty. Operand 84351 states and 114506 transitions. [2022-07-20 02:22:16,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-07-20 02:22:16,648 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:22:16,648 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] [2022-07-20 02:22:16,678 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Ended with exit code 0 [2022-07-20 02:22:16,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:22:16,868 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)] === [2022-07-20 02:22:16,868 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:22:16,868 INFO L85 PathProgramCache]: Analyzing trace with hash 1031830299, now seen corresponding path program 1 times [2022-07-20 02:22:16,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:22:16,869 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1864432752] [2022-07-20 02:22:16,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:22:16,869 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:22:16,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:22:16,871 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) [2022-07-20 02:22:16,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-07-20 02:22:18,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:22:18,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 1500 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:22:18,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:22:18,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1638 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2022-07-20 02:22:18,671 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:22:18,671 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:22:18,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1864432752] [2022-07-20 02:22:18,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1864432752] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:22:18,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:22:18,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:22:18,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955365252] [2022-07-20 02:22:18,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:22:18,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:22:18,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:22:18,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:22:18,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:22:18,673 INFO L87 Difference]: Start difference. First operand 84351 states and 114506 transitions. Second operand has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-20 02:22:23,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:22:23,402 INFO L93 Difference]: Finished difference Result 203829 states and 276746 transitions. [2022-07-20 02:22:23,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:22:23,403 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.0) internal successors, (96), 3 states have internal predecessors, (96), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 306 [2022-07-20 02:22:23,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted.