./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.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 6757464a5622bb83d03b39d9677b81f434099fef913b81074103632b3c898f25 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 15:13:54,516 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 15:13:54,517 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 15:13:54,549 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 15:13:54,549 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 15:13:54,550 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 15:13:54,554 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 15:13:54,559 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 15:13:54,560 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 15:13:54,564 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 15:13:54,565 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 15:13:54,567 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 15:13:54,567 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 15:13:54,568 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 15:13:54,570 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 15:13:54,571 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 15:13:54,571 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 15:13:54,573 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 15:13:54,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 15:13:54,578 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 15:13:54,579 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 15:13:54,581 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 15:13:54,581 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 15:13:54,582 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 15:13:54,583 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 15:13:54,587 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 15:13:54,587 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 15:13:54,587 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 15:13:54,588 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 15:13:54,588 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 15:13:54,589 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 15:13:54,589 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 15:13:54,590 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 15:13:54,591 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 15:13:54,591 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 15:13:54,592 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 15:13:54,592 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 15:13:54,593 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 15:13:54,593 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 15:13:54,593 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 15:13:54,594 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 15:13:54,595 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 15:13:54,596 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 15:13:54,620 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 15:13:54,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 15:13:54,621 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 15:13:54,621 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 15:13:54,622 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 15:13:54,622 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 15:13:54,622 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 15:13:54,622 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 15:13:54,622 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 15:13:54,623 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 15:13:54,623 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 15:13:54,624 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 15:13:54,624 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 15:13:54,624 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 15:13:54,624 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 15:13:54,624 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 15:13:54,624 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 15:13:54,624 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 15:13:54,626 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 15:13:54,626 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 15:13:54,626 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 15:13:54,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 15:13:54,626 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 15:13:54,626 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 15:13:54,626 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 15:13:54,627 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 15:13:54,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 15:13:54,627 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 15:13:54,627 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 15:13:54,627 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 15:13:54,628 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6757464a5622bb83d03b39d9677b81f434099fef913b81074103632b3c898f25 [2022-07-12 15:13:54,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 15:13:54,875 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 15:13:54,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 15:13:54,878 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 15:13:54,878 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 15:13:54,879 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2022-07-12 15:13:54,940 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c03330bb/b916650764594afe95b6be8bc84ea727/FLAG272d5d818 [2022-07-12 15:13:55,619 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 15:13:55,619 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2022-07-12 15:13:55,676 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c03330bb/b916650764594afe95b6be8bc84ea727/FLAG272d5d818 [2022-07-12 15:13:55,969 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c03330bb/b916650764594afe95b6be8bc84ea727 [2022-07-12 15:13:55,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 15:13:55,973 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 15:13:55,974 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 15:13:55,974 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 15:13:55,976 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 15:13:55,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:13:55" (1/1) ... [2022-07-12 15:13:55,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d6a528b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:13:55, skipping insertion in model container [2022-07-12 15:13:55,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:13:55" (1/1) ... [2022-07-12 15:13:55,982 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 15:13:56,089 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 15:13:58,904 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463113,463126] [2022-07-12 15:13:58,906 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463282,463295] [2022-07-12 15:13:58,907 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463449,463462] [2022-07-12 15:13:58,911 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463617,463630] [2022-07-12 15:13:58,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:13:58,992 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 15:13:59,154 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: cmd = (unsigned int )cmd & 64510U [8463] 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) [2022-07-12 15:13:59,161 INFO L158 Benchmark]: Toolchain (without parser) took 3187.55ms. Allocated memory was 100.7MB in the beginning and 180.4MB in the end (delta: 79.7MB). Free memory was 55.0MB in the beginning and 94.2MB in the end (delta: -39.2MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. [2022-07-12 15:13:59,162 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 100.7MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 15:13:59,163 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3185.92ms. Allocated memory was 100.7MB in the beginning and 180.4MB in the end (delta: 79.7MB). Free memory was 54.7MB in the beginning and 94.2MB in the end (delta: -39.5MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. [2022-07-12 15:13:59,164 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 100.7MB. Free memory is still 57.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3185.92ms. Allocated memory was 100.7MB in the beginning and 180.4MB in the end (delta: 79.7MB). Free memory was 54.7MB in the beginning and 94.2MB in the end (delta: -39.5MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: cmd = (unsigned int )cmd & 64510U [8463] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: cmd = (unsigned int )cmd & 64510U [8463]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.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 6757464a5622bb83d03b39d9677b81f434099fef913b81074103632b3c898f25 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-12 15:14:00,658 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 15:14:00,660 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 15:14:00,697 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 15:14:00,698 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 15:14:00,699 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 15:14:00,702 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 15:14:00,704 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 15:14:00,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 15:14:00,709 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 15:14:00,710 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 15:14:00,713 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 15:14:00,714 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 15:14:00,715 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 15:14:00,716 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 15:14:00,718 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 15:14:00,719 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 15:14:00,720 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 15:14:00,721 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 15:14:00,725 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 15:14:00,726 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 15:14:00,727 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 15:14:00,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 15:14:00,730 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 15:14:00,731 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 15:14:00,739 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 15:14:00,739 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 15:14:00,739 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 15:14:00,740 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 15:14:00,740 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 15:14:00,741 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 15:14:00,741 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 15:14:00,743 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 15:14:00,743 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 15:14:00,744 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 15:14:00,745 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 15:14:00,745 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 15:14:00,746 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 15:14:00,746 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 15:14:00,746 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 15:14:00,747 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 15:14:00,748 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 15:14:00,755 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 15:14:00,778 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 15:14:00,779 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 15:14:00,779 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 15:14:00,779 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 15:14:00,780 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 15:14:00,780 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 15:14:00,781 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 15:14:00,781 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 15:14:00,781 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 15:14:00,782 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 15:14:00,782 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 15:14:00,782 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 15:14:00,782 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 15:14:00,782 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 15:14:00,782 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 15:14:00,783 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 15:14:00,783 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 15:14:00,783 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 15:14:00,783 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 15:14:00,783 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 15:14:00,784 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 15:14:00,784 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 15:14:00,784 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 15:14:00,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 15:14:00,784 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 15:14:00,784 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 15:14:00,785 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 15:14:00,785 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 15:14:00,785 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 15:14:00,785 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 15:14:00,785 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 15:14:00,785 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 15:14:00,786 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 15:14:00,786 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6757464a5622bb83d03b39d9677b81f434099fef913b81074103632b3c898f25 [2022-07-12 15:14:01,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 15:14:01,072 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 15:14:01,074 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 15:14:01,075 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 15:14:01,075 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 15:14:01,076 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2022-07-12 15:14:01,113 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/133c7951f/7523c8ed09774c968a2e68a15edda83e/FLAG70386afd9 [2022-07-12 15:14:01,845 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 15:14:01,845 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2022-07-12 15:14:01,889 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/133c7951f/7523c8ed09774c968a2e68a15edda83e/FLAG70386afd9 [2022-07-12 15:14:01,924 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/133c7951f/7523c8ed09774c968a2e68a15edda83e [2022-07-12 15:14:01,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 15:14:01,928 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 15:14:01,929 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 15:14:01,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 15:14:01,932 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 15:14:01,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:14:01" (1/1) ... [2022-07-12 15:14:01,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5327b8f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:14:01, skipping insertion in model container [2022-07-12 15:14:01,933 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:14:01" (1/1) ... [2022-07-12 15:14:01,938 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 15:14:02,081 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 15:14:06,753 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463113,463126] [2022-07-12 15:14:06,756 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463282,463295] [2022-07-12 15:14:06,756 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463449,463462] [2022-07-12 15:14:06,756 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463617,463630] [2022-07-12 15:14:06,788 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:14:06,817 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 15:14:06,892 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 15:14:07,176 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463113,463126] [2022-07-12 15:14:07,177 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463282,463295] [2022-07-12 15:14:07,177 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463449,463462] [2022-07-12 15:14:07,178 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i[463617,463630] [2022-07-12 15:14:07,183 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:14:07,221 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 15:14:07,632 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-atheros-atl1e-atl1e.cil.i[463113,463126] [2022-07-12 15:14:07,633 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-atheros-atl1e-atl1e.cil.i[463282,463295] [2022-07-12 15:14:07,633 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-atheros-atl1e-atl1e.cil.i[463449,463462] [2022-07-12 15:14:07,633 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-atheros-atl1e-atl1e.cil.i[463617,463630] [2022-07-12 15:14:07,642 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:14:07,904 INFO L208 MainTranslator]: Completed translation [2022-07-12 15:14:07,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:14:07 WrapperNode [2022-07-12 15:14:07,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 15:14:07,906 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 15:14:07,906 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 15:14:07,906 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 15:14:07,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:14:07" (1/1) ... [2022-07-12 15:14:08,007 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:14:07" (1/1) ... [2022-07-12 15:14:08,209 INFO L137 Inliner]: procedures = 640, calls = 3468, calls flagged for inlining = 312, calls inlined = 276, statements flattened = 7724 [2022-07-12 15:14:08,210 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 15:14:08,211 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 15:14:08,211 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 15:14:08,211 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 15:14:08,219 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:14:07" (1/1) ... [2022-07-12 15:14:08,219 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:14:07" (1/1) ... [2022-07-12 15:14:08,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:14:07" (1/1) ... [2022-07-12 15:14:08,291 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:14:07" (1/1) ... [2022-07-12 15:14:08,403 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:14:07" (1/1) ... [2022-07-12 15:14:08,426 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:14:07" (1/1) ... [2022-07-12 15:14:08,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:14:07" (1/1) ... [2022-07-12 15:14:08,494 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 15:14:08,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 15:14:08,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 15:14:08,496 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 15:14:08,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:14:07" (1/1) ... [2022-07-12 15:14:08,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 15:14:08,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 15:14:08,532 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 15:14:08,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 15:14:08,562 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-12 15:14:08,562 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-12 15:14:08,562 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-12 15:14:08,562 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-12 15:14:08,563 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_phy_reg [2022-07-12 15:14:08,563 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_phy_reg [2022-07-12 15:14:08,563 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 15:14:08,563 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 15:14:08,563 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_force_ps [2022-07-12 15:14:08,563 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_force_ps [2022-07-12 15:14:08,563 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-07-12 15:14:08,564 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-07-12 15:14:08,564 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-12 15:14:08,564 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-12 15:14:08,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_89 [2022-07-12 15:14:08,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_89 [2022-07-12 15:14:08,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 15:14:08,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 15:14:08,564 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_del_timer [2022-07-12 15:14:08,565 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_del_timer [2022-07-12 15:14:08,565 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-07-12 15:14:08,565 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-07-12 15:14:08,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_78 [2022-07-12 15:14:08,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_78 [2022-07-12 15:14:08,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-12 15:14:08,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-12 15:14:08,566 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-12 15:14:08,566 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-12 15:14:08,566 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-12 15:14:08,566 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-12 15:14:08,567 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-12 15:14:08,567 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-12 15:14:08,567 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 15:14:08,567 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 15:14:08,567 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_disable [2022-07-12 15:14:08,567 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_disable [2022-07-12 15:14:08,567 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_io_resume [2022-07-12 15:14:08,568 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_io_resume [2022-07-12 15:14:08,568 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_restart_autoneg [2022-07-12 15:14:08,568 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_restart_autoneg [2022-07-12 15:14:08,569 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_close [2022-07-12 15:14:08,569 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_close [2022-07-12 15:14:08,569 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-12 15:14:08,570 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-12 15:14:08,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 15:14:08,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 15:14:08,570 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tpd [2022-07-12 15:14:08,570 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tpd [2022-07-12 15:14:08,570 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-12 15:14:08,570 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-12 15:14:08,570 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-12 15:14:08,571 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-12 15:14:08,571 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-12 15:14:08,571 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-12 15:14:08,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 15:14:08,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 15:14:08,571 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-12 15:14:08,571 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-12 15:14:08,571 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_irq [2022-07-12 15:14:08,572 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_irq [2022-07-12 15:14:08,572 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-12 15:14:08,572 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-12 15:14:08,572 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-07-12 15:14:08,572 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-07-12 15:14:08,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 15:14:08,573 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2022-07-12 15:14:08,573 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2022-07-12 15:14:08,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-12 15:14:08,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 15:14:08,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 15:14:08,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-12 15:14:08,573 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_shutdown [2022-07-12 15:14:08,574 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_shutdown [2022-07-12 15:14:08,574 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-12 15:14:08,574 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-12 15:14:08,574 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_check_eeprom_exist [2022-07-12 15:14:08,575 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_check_eeprom_exist [2022-07-12 15:14:08,575 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-12 15:14:08,575 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-12 15:14:08,575 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-12 15:14:08,575 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-12 15:14:08,576 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 15:14:08,576 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 15:14:08,576 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_hw_set_mac_addr [2022-07-12 15:14:08,576 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_hw_set_mac_addr [2022-07-12 15:14:08,576 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-12 15:14:08,576 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-12 15:14:08,576 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-12 15:14:08,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-12 15:14:08,577 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_tx_buffer [2022-07-12 15:14:08,577 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_tx_buffer [2022-07-12 15:14:08,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 15:14:08,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 15:14:08,577 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-12 15:14:08,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-12 15:14:08,577 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-12 15:14:08,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-12 15:14:08,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 15:14:08,578 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 15:14:08,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-12 15:14:08,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-12 15:14:08,579 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-12 15:14:08,579 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-12 15:14:08,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-12 15:14:08,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-12 15:14:08,581 INFO L130 BoogieDeclarations]: Found specification of procedure pci_choose_state [2022-07-12 15:14:08,581 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_choose_state [2022-07-12 15:14:08,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-12 15:14:08,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-12 15:14:08,582 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_reset [2022-07-12 15:14:08,582 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_reset [2022-07-12 15:14:08,583 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-12 15:14:08,587 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-12 15:14:08,587 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-12 15:14:08,587 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-12 15:14:08,588 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_down [2022-07-12 15:14:08,588 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_down [2022-07-12 15:14:08,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-12 15:14:08,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-12 15:14:08,588 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 15:14:08,588 INFO L130 BoogieDeclarations]: Found specification of procedure __atl1e_vlan_mode [2022-07-12 15:14:08,588 INFO L138 BoogieDeclarations]: Found implementation of procedure __atl1e_vlan_mode [2022-07-12 15:14:08,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-12 15:14:08,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-12 15:14:08,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-12 15:14:08,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-12 15:14:08,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 15:14:08,589 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-12 15:14:08,589 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-12 15:14:08,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 15:14:08,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 15:14:08,589 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 15:14:08,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 15:14:08,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 15:14:08,590 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-12 15:14:08,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-12 15:14:08,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-12 15:14:08,590 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-12 15:14:08,590 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-07-12 15:14:08,590 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-07-12 15:14:08,590 INFO L130 BoogieDeclarations]: Found specification of procedure skb_is_gso [2022-07-12 15:14:08,590 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_is_gso [2022-07-12 15:14:08,590 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_set_multi [2022-07-12 15:14:08,590 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_set_multi [2022-07-12 15:14:08,591 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-12 15:14:08,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-12 15:14:08,591 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_remove [2022-07-12 15:14:08,591 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_remove [2022-07-12 15:14:08,591 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-12 15:14:08,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-12 15:14:08,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_atl1e_driver_exit_14_2 [2022-07-12 15:14:08,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_atl1e_driver_exit_14_2 [2022-07-12 15:14:08,591 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-12 15:14:08,591 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-12 15:14:08,591 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-12 15:14:08,592 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-12 15:14:08,592 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 15:14:08,592 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 15:14:08,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-12 15:14:08,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-12 15:14:08,592 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_free_ring_resources [2022-07-12 15:14:08,592 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_free_ring_resources [2022-07-12 15:14:08,592 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-07-12 15:14:08,592 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-07-12 15:14:08,592 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-12 15:14:08,593 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-12 15:14:08,593 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-12 15:14:08,593 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-12 15:14:08,593 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_validate_option [2022-07-12 15:14:08,593 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_validate_option [2022-07-12 15:14:08,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-12 15:14:08,593 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-07-12 15:14:08,593 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-07-12 15:14:08,593 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-07-12 15:14:08,593 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-07-12 15:14:08,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 15:14:08,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 15:14:08,594 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-12 15:14:08,594 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-12 15:14:08,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 15:14:08,594 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-12 15:14:08,594 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-12 15:14:08,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-12 15:14:08,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 15:14:08,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 15:14:08,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 15:14:08,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 15:14:08,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 15:14:08,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 15:14:08,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-12 15:14:08,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-12 15:14:08,595 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-12 15:14:08,595 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-12 15:14:08,595 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-07-12 15:14:08,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-07-12 15:14:08,595 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-12 15:14:08,596 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-12 15:14:08,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-12 15:14:08,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-12 15:14:08,596 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_tx_ring [2022-07-12 15:14:08,596 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_tx_ring [2022-07-12 15:14:08,596 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_mdio_lock_of_atl1e_adapter [2022-07-12 15:14:08,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_mdio_lock_of_atl1e_adapter [2022-07-12 15:14:08,596 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-12 15:14:08,596 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-12 15:14:08,596 INFO L130 BoogieDeclarations]: Found specification of procedure ip_hdr [2022-07-12 15:14:08,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ip_hdr [2022-07-12 15:14:08,597 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-12 15:14:08,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-12 15:14:08,597 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_mdio_lock_of_atl1e_adapter [2022-07-12 15:14:08,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_mdio_lock_of_atl1e_adapter [2022-07-12 15:14:08,597 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-12 15:14:08,597 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-12 15:14:08,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 15:14:08,597 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 15:14:08,597 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_resume [2022-07-12 15:14:08,597 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_resume [2022-07-12 15:14:08,598 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-12 15:14:08,598 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-12 15:14:08,598 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-12 15:14:08,598 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-12 15:14:08,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 15:14:08,598 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-12 15:14:08,598 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-12 15:14:08,598 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-12 15:14:08,598 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-12 15:14:08,598 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-12 15:14:08,598 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-12 15:14:08,599 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_tx_timeout [2022-07-12 15:14:08,599 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_tx_timeout [2022-07-12 15:14:08,602 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 15:14:08,602 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_vlan_mode [2022-07-12 15:14:08,602 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_vlan_mode [2022-07-12 15:14:08,602 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_write_phy_reg [2022-07-12 15:14:08,602 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_write_phy_reg [2022-07-12 15:14:08,602 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-07-12 15:14:08,602 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-07-12 15:14:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-12 15:14:08,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 15:14:08,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 15:14:08,604 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_up [2022-07-12 15:14:08,604 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_up [2022-07-12 15:14:08,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 15:14:08,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 15:14:08,604 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_commit [2022-07-12 15:14:08,604 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_commit [2022-07-12 15:14:08,604 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-12 15:14:08,604 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-12 15:14:08,604 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-12 15:14:08,605 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-12 15:14:08,605 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 15:14:08,605 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 15:14:08,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 15:14:08,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 15:14:08,605 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-12 15:14:08,605 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-12 15:14:08,605 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-12 15:14:08,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-12 15:14:08,605 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reinit_locked [2022-07-12 15:14:08,605 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reinit_locked [2022-07-12 15:14:08,606 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_81 [2022-07-12 15:14:08,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_81 [2022-07-12 15:14:08,606 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_phy_init [2022-07-12 15:14:08,606 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_phy_init [2022-07-12 15:14:08,606 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_intr [2022-07-12 15:14:08,606 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_intr [2022-07-12 15:14:08,606 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-12 15:14:08,606 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-12 15:14:08,606 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_offset [2022-07-12 15:14:08,606 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_offset [2022-07-12 15:14:08,606 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_open [2022-07-12 15:14:08,607 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_open [2022-07-12 15:14:08,607 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-12 15:14:08,607 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-12 15:14:08,607 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-12 15:14:08,607 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-12 15:14:08,607 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_irq_enable [2022-07-12 15:14:08,607 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_irq_enable [2022-07-12 15:14:08,607 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 15:14:08,607 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 15:14:08,607 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_netpoll [2022-07-12 15:14:08,607 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_netpoll [2022-07-12 15:14:08,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 15:14:08,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-12 15:14:08,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 15:14:08,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-12 15:14:08,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 15:14:08,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 15:14:08,608 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_82 [2022-07-12 15:14:08,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_82 [2022-07-12 15:14:08,608 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_read_eeprom [2022-07-12 15:14:08,608 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_read_eeprom [2022-07-12 15:14:08,609 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_suspend [2022-07-12 15:14:08,609 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_suspend [2022-07-12 15:14:08,609 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-12 15:14:08,609 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-12 15:14:08,609 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-12 15:14:08,609 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-12 15:14:08,609 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_nway_reset [2022-07-12 15:14:08,609 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_nway_reset [2022-07-12 15:14:08,609 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-12 15:14:08,609 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-12 15:14:08,609 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_request_irq [2022-07-12 15:14:08,610 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_request_irq [2022-07-12 15:14:08,610 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdrlen [2022-07-12 15:14:08,610 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdrlen [2022-07-12 15:14:08,610 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 15:14:08,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 15:14:08,610 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-12 15:14:08,610 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-12 15:14:08,610 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_eeprom_len [2022-07-12 15:14:08,610 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_eeprom_len [2022-07-12 15:14:08,610 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-07-12 15:14:08,610 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-07-12 15:14:08,611 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-12 15:14:08,611 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-12 15:14:08,611 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_reset_hw [2022-07-12 15:14:08,611 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_reset_hw [2022-07-12 15:14:08,611 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-07-12 15:14:08,611 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-07-12 15:14:08,611 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-12 15:14:08,611 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-12 15:14:08,611 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_page [2022-07-12 15:14:08,611 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_page [2022-07-12 15:14:08,611 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-12 15:14:08,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-12 15:14:08,612 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_get_regs_len [2022-07-12 15:14:08,612 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_get_regs_len [2022-07-12 15:14:08,612 INFO L130 BoogieDeclarations]: Found specification of procedure atl1e_clean_rx_ring [2022-07-12 15:14:08,612 INFO L138 BoogieDeclarations]: Found implementation of procedure atl1e_clean_rx_ring [2022-07-12 15:14:09,524 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 15:14:09,527 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 15:14:10,500 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 15:15:14,841 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-12 15:15:15,213 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 15:15:15,229 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 15:15:15,229 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-12 15:15:15,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:15:15 BoogieIcfgContainer [2022-07-12 15:15:15,232 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 15:15:15,233 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 15:15:15,233 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 15:15:15,235 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 15:15:15,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 03:14:01" (1/3) ... [2022-07-12 15:15:15,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31ecaa91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:15:15, skipping insertion in model container [2022-07-12 15:15:15,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:14:07" (2/3) ... [2022-07-12 15:15:15,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31ecaa91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:15:15, skipping insertion in model container [2022-07-12 15:15:15,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:15:15" (3/3) ... [2022-07-12 15:15:15,237 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-atl1e-atl1e.cil.i [2022-07-12 15:15:15,247 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 15:15:15,247 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-07-12 15:15:15,306 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 15:15:15,310 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@14fa8e99, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@278d763b [2022-07-12 15:15:15,310 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-07-12 15:15:15,319 INFO L276 IsEmpty]: Start isEmpty. Operand has 2822 states, 1909 states have (on average 1.2572027239392352) internal successors, (2400), 1937 states have internal predecessors, (2400), 761 states have call successors, (761), 149 states have call predecessors, (761), 148 states have return successors, (755), 753 states have call predecessors, (755), 755 states have call successors, (755) [2022-07-12 15:15:15,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-07-12 15:15:15,332 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:15:15,333 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:15:15,334 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-12 15:15:15,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:15:15,337 INFO L85 PathProgramCache]: Analyzing trace with hash -695297070, now seen corresponding path program 1 times [2022-07-12 15:15:15,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:15:15,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1409135871] [2022-07-12 15:15:15,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:15:15,350 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:15:15,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:15:15,352 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 15:15:15,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 15:15:18,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:18,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 2017 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:15:18,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:15:18,399 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2022-07-12 15:15:18,399 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:15:18,399 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:15:18,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1409135871] [2022-07-12 15:15:18,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1409135871] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:15:18,400 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:15:18,400 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:15:18,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596572092] [2022-07-12 15:15:18,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:15:18,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:15:18,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:15:18,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:15:18,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:15:18,437 INFO L87 Difference]: Start difference. First operand has 2822 states, 1909 states have (on average 1.2572027239392352) internal successors, (2400), 1937 states have internal predecessors, (2400), 761 states have call successors, (761), 149 states have call predecessors, (761), 148 states have return successors, (755), 753 states have call predecessors, (755), 755 states have call successors, (755) Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-07-12 15:15:19,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:15:19,015 INFO L93 Difference]: Finished difference Result 8301 states and 11697 transitions. [2022-07-12 15:15:19,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:15:19,018 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 181 [2022-07-12 15:15:19,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:15:19,049 INFO L225 Difference]: With dead ends: 8301 [2022-07-12 15:15:19,049 INFO L226 Difference]: Without dead ends: 5495 [2022-07-12 15:15:19,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:15:19,075 INFO L413 NwaCegarLoop]: 4666 mSDtfsCounter, 3824 mSDsluCounter, 3792 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3824 SdHoareTripleChecker+Valid, 8458 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 15:15:19,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3824 Valid, 8458 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 15:15:19,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5495 states. [2022-07-12 15:15:19,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5495 to 5462. [2022-07-12 15:15:19,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5462 states, 3723 states have (on average 1.2519473542841795) internal successors, (4661), 3784 states have internal predecessors, (4661), 1448 states have call successors, (1448), 293 states have call predecessors, (1448), 287 states have return successors, (1449), 1424 states have call predecessors, (1449), 1444 states have call successors, (1449) [2022-07-12 15:15:19,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5462 states to 5462 states and 7558 transitions. [2022-07-12 15:15:19,426 INFO L78 Accepts]: Start accepts. Automaton has 5462 states and 7558 transitions. Word has length 181 [2022-07-12 15:15:19,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:15:19,427 INFO L495 AbstractCegarLoop]: Abstraction has 5462 states and 7558 transitions. [2022-07-12 15:15:19,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-07-12 15:15:19,428 INFO L276 IsEmpty]: Start isEmpty. Operand 5462 states and 7558 transitions. [2022-07-12 15:15:19,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-07-12 15:15:19,431 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:15:19,432 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:15:19,493 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-12 15:15:19,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:15:19,652 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-12 15:15:19,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:15:19,652 INFO L85 PathProgramCache]: Analyzing trace with hash -620921520, now seen corresponding path program 1 times [2022-07-12 15:15:19,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:15:19,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1274298590] [2022-07-12 15:15:19,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:15:19,654 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:15:19,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:15:19,656 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 15:15:19,658 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 15:15:22,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:22,352 INFO L263 TraceCheckSpWp]: Trace formula consists of 1994 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:15:22,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:15:22,555 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2022-07-12 15:15:22,555 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:15:22,555 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:15:22,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1274298590] [2022-07-12 15:15:22,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1274298590] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:15:22,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:15:22,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:15:22,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100412221] [2022-07-12 15:15:22,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:15:22,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:15:22,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:15:22,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:15:22,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:15:22,557 INFO L87 Difference]: Start difference. First operand 5462 states and 7558 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-07-12 15:15:23,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:15:23,201 INFO L93 Difference]: Finished difference Result 16189 states and 22397 transitions. [2022-07-12 15:15:23,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:15:23,201 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 182 [2022-07-12 15:15:23,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:15:23,271 INFO L225 Difference]: With dead ends: 16189 [2022-07-12 15:15:23,272 INFO L226 Difference]: Without dead ends: 10760 [2022-07-12 15:15:23,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:15:23,302 INFO L413 NwaCegarLoop]: 4591 mSDtfsCounter, 3729 mSDsluCounter, 3822 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3729 SdHoareTripleChecker+Valid, 8413 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-12 15:15:23,303 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3729 Valid, 8413 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-12 15:15:23,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10760 states. [2022-07-12 15:15:23,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10760 to 10754. [2022-07-12 15:15:24,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10754 states, 7350 states have (on average 1.2523809523809524) internal successors, (9205), 7463 states have internal predecessors, (9205), 2829 states have call successors, (2829), 582 states have call predecessors, (2829), 571 states have return successors, (2835), 2788 states have call predecessors, (2835), 2825 states have call successors, (2835) [2022-07-12 15:15:24,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10754 states to 10754 states and 14869 transitions. [2022-07-12 15:15:24,064 INFO L78 Accepts]: Start accepts. Automaton has 10754 states and 14869 transitions. Word has length 182 [2022-07-12 15:15:24,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:15:24,066 INFO L495 AbstractCegarLoop]: Abstraction has 10754 states and 14869 transitions. [2022-07-12 15:15:24,067 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-07-12 15:15:24,067 INFO L276 IsEmpty]: Start isEmpty. Operand 10754 states and 14869 transitions. [2022-07-12 15:15:24,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-07-12 15:15:24,072 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:15:24,072 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:15:24,149 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-12 15:15:24,291 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:15:24,291 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-12 15:15:24,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:15:24,292 INFO L85 PathProgramCache]: Analyzing trace with hash -1738075297, now seen corresponding path program 1 times [2022-07-12 15:15:24,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:15:24,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [708696251] [2022-07-12 15:15:24,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:15:24,294 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:15:24,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:15:24,296 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 15:15:24,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 15:15:27,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:27,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 2072 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:15:27,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:15:27,353 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2022-07-12 15:15:27,353 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:15:27,353 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:15:27,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [708696251] [2022-07-12 15:15:27,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [708696251] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:15:27,353 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:15:27,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:15:27,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258185854] [2022-07-12 15:15:27,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:15:27,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:15:27,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:15:27,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:15:27,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:15:27,355 INFO L87 Difference]: Start difference. First operand 10754 states and 14869 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-12 15:15:28,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:15:28,307 INFO L93 Difference]: Finished difference Result 32038 states and 44367 transitions. [2022-07-12 15:15:28,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:15:28,308 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 196 [2022-07-12 15:15:28,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:15:28,556 INFO L225 Difference]: With dead ends: 32038 [2022-07-12 15:15:28,572 INFO L226 Difference]: Without dead ends: 21317 [2022-07-12 15:15:28,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:15:28,660 INFO L413 NwaCegarLoop]: 4909 mSDtfsCounter, 3797 mSDsluCounter, 3820 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3797 SdHoareTripleChecker+Valid, 8729 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-12 15:15:28,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3797 Valid, 8729 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-12 15:15:28,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21317 states. [2022-07-12 15:15:29,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21317 to 21278. [2022-07-12 15:15:29,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21278 states, 14562 states have (on average 1.2530558989149843) internal successors, (18247), 14793 states have internal predecessors, (18247), 5583 states have call successors, (5583), 1158 states have call predecessors, (5583), 1129 states have return successors, (5649), 5478 states have call predecessors, (5649), 5579 states have call successors, (5649) [2022-07-12 15:15:29,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21278 states to 21278 states and 29479 transitions. [2022-07-12 15:15:29,880 INFO L78 Accepts]: Start accepts. Automaton has 21278 states and 29479 transitions. Word has length 196 [2022-07-12 15:15:29,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:15:29,882 INFO L495 AbstractCegarLoop]: Abstraction has 21278 states and 29479 transitions. [2022-07-12 15:15:29,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-12 15:15:29,882 INFO L276 IsEmpty]: Start isEmpty. Operand 21278 states and 29479 transitions. [2022-07-12 15:15:29,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-07-12 15:15:29,887 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:15:29,887 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 14, 14, 14, 14, 14, 14, 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] [2022-07-12 15:15:29,954 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-12 15:15:30,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:15:30,111 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-12 15:15:30,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:15:30,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1468045676, now seen corresponding path program 1 times [2022-07-12 15:15:30,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:15:30,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1708501101] [2022-07-12 15:15:30,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:15:30,114 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:15:30,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:15:30,115 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 15:15:30,117 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-12 15:15:32,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:32,690 INFO L263 TraceCheckSpWp]: Trace formula consists of 2054 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:15:32,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:15:32,909 INFO L134 CoverageAnalysis]: Checked inductivity of 913 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2022-07-12 15:15:32,910 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:15:32,910 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:15:32,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1708501101] [2022-07-12 15:15:32,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1708501101] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:15:32,910 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:15:32,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:15:32,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512597628] [2022-07-12 15:15:32,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:15:32,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:15:32,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:15:32,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:15:32,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:15:32,911 INFO L87 Difference]: Start difference. First operand 21278 states and 29479 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, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-12 15:15:33,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:15:33,937 INFO L93 Difference]: Finished difference Result 48087 states and 66589 transitions. [2022-07-12 15:15:33,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:15:33,937 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, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 204 [2022-07-12 15:15:33,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:15:34,060 INFO L225 Difference]: With dead ends: 48087 [2022-07-12 15:15:34,060 INFO L226 Difference]: Without dead ends: 26842 [2022-07-12 15:15:34,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:15:34,131 INFO L413 NwaCegarLoop]: 4644 mSDtfsCounter, 3802 mSDsluCounter, 3861 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3802 SdHoareTripleChecker+Valid, 8505 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 15:15:34,132 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3802 Valid, 8505 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 15:15:34,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26842 states. [2022-07-12 15:15:35,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26842 to 26803. [2022-07-12 15:15:35,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26803 states, 18329 states have (on average 1.2517867859675924) internal successors, (22944), 18629 states have internal predecessors, (22944), 7034 states have call successors, (7034), 1468 states have call predecessors, (7034), 1436 states have return successors, (7111), 6899 states have call predecessors, (7111), 7030 states have call successors, (7111) [2022-07-12 15:15:35,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26803 states to 26803 states and 37089 transitions. [2022-07-12 15:15:35,389 INFO L78 Accepts]: Start accepts. Automaton has 26803 states and 37089 transitions. Word has length 204 [2022-07-12 15:15:35,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:15:35,390 INFO L495 AbstractCegarLoop]: Abstraction has 26803 states and 37089 transitions. [2022-07-12 15:15:35,390 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, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-12 15:15:35,390 INFO L276 IsEmpty]: Start isEmpty. Operand 26803 states and 37089 transitions. [2022-07-12 15:15:35,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-07-12 15:15:35,393 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:15:35,394 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 14, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:15:35,457 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-12 15:15:35,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:15:35,619 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-12 15:15:35,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:15:35,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1097800989, now seen corresponding path program 1 times [2022-07-12 15:15:35,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:15:35,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1429849] [2022-07-12 15:15:35,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:15:35,621 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:15:35,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:15:35,628 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 15:15:35,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-12 15:15:38,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:38,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 2096 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:15:38,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:15:38,430 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2022-07-12 15:15:38,430 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:15:38,430 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:15:38,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1429849] [2022-07-12 15:15:38,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1429849] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:15:38,430 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:15:38,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:15:38,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979976106] [2022-07-12 15:15:38,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:15:38,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:15:38,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:15:38,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:15:38,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:15:38,432 INFO L87 Difference]: Start difference. First operand 26803 states and 37089 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-12 15:15:40,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:15:40,357 INFO L93 Difference]: Finished difference Result 70761 states and 97622 transitions. [2022-07-12 15:15:40,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:15:40,357 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 209 [2022-07-12 15:15:40,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:15:40,583 INFO L225 Difference]: With dead ends: 70761 [2022-07-12 15:15:40,583 INFO L226 Difference]: Without dead ends: 43991 [2022-07-12 15:15:40,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 207 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:15:40,667 INFO L413 NwaCegarLoop]: 4392 mSDtfsCounter, 2588 mSDsluCounter, 3764 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2588 SdHoareTripleChecker+Valid, 8156 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-12 15:15:40,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2588 Valid, 8156 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-12 15:15:40,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43991 states. [2022-07-12 15:15:42,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43991 to 43949. [2022-07-12 15:15:42,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43949 states, 29900 states have (on average 1.2470903010033445) internal successors, (37288), 30431 states have internal predecessors, (37288), 11517 states have call successors, (11517), 2594 states have call predecessors, (11517), 2528 states have return successors, (11671), 11240 states have call predecessors, (11671), 11513 states have call successors, (11671) [2022-07-12 15:15:42,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43949 states to 43949 states and 60476 transitions. [2022-07-12 15:15:42,277 INFO L78 Accepts]: Start accepts. Automaton has 43949 states and 60476 transitions. Word has length 209 [2022-07-12 15:15:42,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:15:42,278 INFO L495 AbstractCegarLoop]: Abstraction has 43949 states and 60476 transitions. [2022-07-12 15:15:42,279 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-12 15:15:42,279 INFO L276 IsEmpty]: Start isEmpty. Operand 43949 states and 60476 transitions. [2022-07-12 15:15:42,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-07-12 15:15:42,283 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:15:42,283 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 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] [2022-07-12 15:15:42,333 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-12 15:15:42,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:15:42,499 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-12 15:15:42,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:15:42,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1609837398, now seen corresponding path program 1 times [2022-07-12 15:15:42,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:15:42,501 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [322611296] [2022-07-12 15:15:42,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:15:42,501 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:15:42,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:15:42,503 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 15:15:42,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-12 15:15:45,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:45,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 2119 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:15:45,204 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:15:45,382 INFO L134 CoverageAnalysis]: Checked inductivity of 1039 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 966 trivial. 0 not checked. [2022-07-12 15:15:45,382 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:15:45,383 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:15:45,383 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [322611296] [2022-07-12 15:15:45,383 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [322611296] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:15:45,383 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:15:45,383 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:15:45,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013063213] [2022-07-12 15:15:45,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:15:45,384 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:15:45,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:15:45,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:15:45,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:15:45,384 INFO L87 Difference]: Start difference. First operand 43949 states and 60476 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-12 15:15:47,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:15:47,499 INFO L93 Difference]: Finished difference Result 113622 states and 156421 transitions. [2022-07-12 15:15:47,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:15:47,500 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 238 [2022-07-12 15:15:47,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:15:47,806 INFO L225 Difference]: With dead ends: 113622 [2022-07-12 15:15:47,806 INFO L226 Difference]: Without dead ends: 78269 [2022-07-12 15:15:48,165 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 [2022-07-12 15:15:48,166 INFO L413 NwaCegarLoop]: 7577 mSDtfsCounter, 3702 mSDsluCounter, 3848 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3702 SdHoareTripleChecker+Valid, 11425 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 [2022-07-12 15:15:48,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3702 Valid, 11425 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-12 15:15:48,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78269 states. [2022-07-12 15:15:50,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78269 to 78263. [2022-07-12 15:15:50,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78263 states, 53286 states have (on average 1.2473445182599556) internal successors, (66466), 54191 states have internal predecessors, (66466), 20467 states have call successors, (20467), 4630 states have call predecessors, (20467), 4506 states have return successors, (20757), 20006 states have call predecessors, (20757), 20463 states have call successors, (20757) [2022-07-12 15:15:51,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78263 states to 78263 states and 107690 transitions. [2022-07-12 15:15:51,154 INFO L78 Accepts]: Start accepts. Automaton has 78263 states and 107690 transitions. Word has length 238 [2022-07-12 15:15:51,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:15:51,155 INFO L495 AbstractCegarLoop]: Abstraction has 78263 states and 107690 transitions. [2022-07-12 15:15:51,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-12 15:15:51,155 INFO L276 IsEmpty]: Start isEmpty. Operand 78263 states and 107690 transitions. [2022-07-12 15:15:51,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-07-12 15:15:51,159 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:15:51,160 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 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] [2022-07-12 15:15:51,218 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-12 15:15:51,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:15:51,375 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-12 15:15:51,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:15:51,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1750386008, now seen corresponding path program 1 times [2022-07-12 15:15:51,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:15:51,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1242647198] [2022-07-12 15:15:51,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:15:51,377 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:15:51,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:15:51,388 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 15:15:51,447 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-12 15:15:53,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:15:54,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 2119 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 15:15:54,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:15:57,357 INFO L134 CoverageAnalysis]: Checked inductivity of 1039 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1039 trivial. 0 not checked. [2022-07-12 15:15:57,357 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:15:57,357 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:15:57,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1242647198] [2022-07-12 15:15:57,358 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1242647198] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:15:57,358 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:15:57,358 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-12 15:15:57,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722678896] [2022-07-12 15:15:57,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:15:57,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 15:15:57,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:15:57,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 15:15:57,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 15:15:57,359 INFO L87 Difference]: Start difference. First operand 78263 states and 107690 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2022-07-12 15:15:58,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:15:58,991 INFO L93 Difference]: Finished difference Result 78269 states and 107695 transitions. [2022-07-12 15:15:58,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 15:15:58,992 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 238 [2022-07-12 15:15:58,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:15:59,326 INFO L225 Difference]: With dead ends: 78269 [2022-07-12 15:15:59,327 INFO L226 Difference]: Without dead ends: 78267 [2022-07-12 15:15:59,360 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-12 15:15:59,360 INFO L413 NwaCegarLoop]: 3872 mSDtfsCounter, 3779 mSDsluCounter, 7728 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3780 SdHoareTripleChecker+Valid, 11600 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 15:15:59,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3780 Valid, 11600 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 15:15:59,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78267 states. [2022-07-12 15:16:01,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78267 to 78267. [2022-07-12 15:16:01,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78267 states, 53289 states have (on average 1.2473305935558934) internal successors, (66469), 54194 states have internal predecessors, (66469), 20467 states have call successors, (20467), 4631 states have call predecessors, (20467), 4507 states have return successors, (20757), 20006 states have call predecessors, (20757), 20463 states have call successors, (20757) [2022-07-12 15:16:01,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78267 states to 78267 states and 107693 transitions. [2022-07-12 15:16:01,799 INFO L78 Accepts]: Start accepts. Automaton has 78267 states and 107693 transitions. Word has length 238 [2022-07-12 15:16:01,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:16:01,799 INFO L495 AbstractCegarLoop]: Abstraction has 78267 states and 107693 transitions. [2022-07-12 15:16:01,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2022-07-12 15:16:01,800 INFO L276 IsEmpty]: Start isEmpty. Operand 78267 states and 107693 transitions. [2022-07-12 15:16:01,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-07-12 15:16:01,808 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:16:01,808 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 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] [2022-07-12 15:16:01,872 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-12 15:16:02,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:16:02,035 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-12 15:16:02,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:16:02,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1646136858, now seen corresponding path program 1 times [2022-07-12 15:16:02,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:16:02,037 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [980739305] [2022-07-12 15:16:02,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:16:02,037 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:16:02,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:16:02,039 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) [2022-07-12 15:16:02,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-12 15:16:04,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:04,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 2126 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 15:16:04,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:16:07,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1041 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1039 trivial. 0 not checked. [2022-07-12 15:16:07,956 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 15:16:09,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1041 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1039 trivial. 0 not checked. [2022-07-12 15:16:09,246 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:16:09,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [980739305] [2022-07-12 15:16:09,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [980739305] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-12 15:16:09,247 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 15:16:09,247 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-12 15:16:09,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774190211] [2022-07-12 15:16:09,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:16:09,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 15:16:09,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:16:09,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 15:16:09,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 15:16:09,249 INFO L87 Difference]: Start difference. First operand 78267 states and 107693 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-12 15:16:11,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:16:11,558 INFO L93 Difference]: Finished difference Result 78273 states and 107698 transitions. [2022-07-12 15:16:11,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 15:16:11,559 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 243 [2022-07-12 15:16:11,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:16:11,857 INFO L225 Difference]: With dead ends: 78273 [2022-07-12 15:16:11,857 INFO L226 Difference]: Without dead ends: 78271 [2022-07-12 15:16:11,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 487 GetRequests, 479 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-12 15:16:11,893 INFO L413 NwaCegarLoop]: 3875 mSDtfsCounter, 3798 mSDsluCounter, 7727 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3812 SdHoareTripleChecker+Valid, 11602 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-12 15:16:11,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3812 Valid, 11602 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-12 15:16:11,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78271 states. [2022-07-12 15:16:14,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78271 to 78271. [2022-07-12 15:16:14,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78271 states, 53292 states have (on average 1.2473166704195753) internal successors, (66472), 54197 states have internal predecessors, (66472), 20467 states have call successors, (20467), 4632 states have call predecessors, (20467), 4508 states have return successors, (20757), 20006 states have call predecessors, (20757), 20463 states have call successors, (20757) [2022-07-12 15:16:14,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78271 states to 78271 states and 107696 transitions. [2022-07-12 15:16:14,675 INFO L78 Accepts]: Start accepts. Automaton has 78271 states and 107696 transitions. Word has length 243 [2022-07-12 15:16:14,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:16:14,677 INFO L495 AbstractCegarLoop]: Abstraction has 78271 states and 107696 transitions. [2022-07-12 15:16:14,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-12 15:16:14,678 INFO L276 IsEmpty]: Start isEmpty. Operand 78271 states and 107696 transitions. [2022-07-12 15:16:14,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-07-12 15:16:14,686 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:16:14,687 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 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] [2022-07-12 15:16:14,749 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-12 15:16:14,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:16:14,907 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-12 15:16:14,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:16:14,908 INFO L85 PathProgramCache]: Analyzing trace with hash -534936104, now seen corresponding path program 1 times [2022-07-12 15:16:14,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:16:14,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [384767314] [2022-07-12 15:16:14,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:16:14,910 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:16:14,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:16:14,912 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) [2022-07-12 15:16:14,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-12 15:16:17,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:18,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 2133 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 15:16:18,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:16:21,050 INFO L134 CoverageAnalysis]: Checked inductivity of 1047 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1043 trivial. 0 not checked. [2022-07-12 15:16:21,050 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 15:16:22,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1047 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1043 trivial. 0 not checked. [2022-07-12 15:16:22,199 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:16:22,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [384767314] [2022-07-12 15:16:22,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [384767314] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-12 15:16:22,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 15:16:22,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-12 15:16:22,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749633737] [2022-07-12 15:16:22,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:16:22,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 15:16:22,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:16:22,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 15:16:22,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 15:16:22,201 INFO L87 Difference]: Start difference. First operand 78271 states and 107696 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-12 15:16:24,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:16:24,291 INFO L93 Difference]: Finished difference Result 78277 states and 107701 transitions. [2022-07-12 15:16:24,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 15:16:24,292 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 248 [2022-07-12 15:16:24,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:16:24,669 INFO L225 Difference]: With dead ends: 78277 [2022-07-12 15:16:24,670 INFO L226 Difference]: Without dead ends: 78275 [2022-07-12 15:16:24,720 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 497 GetRequests, 489 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-12 15:16:24,721 INFO L413 NwaCegarLoop]: 3875 mSDtfsCounter, 3798 mSDsluCounter, 7727 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3811 SdHoareTripleChecker+Valid, 11602 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 15:16:24,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3811 Valid, 11602 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 15:16:24,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78275 states. [2022-07-12 15:16:27,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78275 to 78275. [2022-07-12 15:16:27,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78275 states, 53295 states have (on average 1.2473027488507364) internal successors, (66475), 54200 states have internal predecessors, (66475), 20467 states have call successors, (20467), 4633 states have call predecessors, (20467), 4509 states have return successors, (20757), 20006 states have call predecessors, (20757), 20463 states have call successors, (20757) [2022-07-12 15:16:27,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78275 states to 78275 states and 107699 transitions. [2022-07-12 15:16:27,459 INFO L78 Accepts]: Start accepts. Automaton has 78275 states and 107699 transitions. Word has length 248 [2022-07-12 15:16:27,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:16:27,460 INFO L495 AbstractCegarLoop]: Abstraction has 78275 states and 107699 transitions. [2022-07-12 15:16:27,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-12 15:16:27,460 INFO L276 IsEmpty]: Start isEmpty. Operand 78275 states and 107699 transitions. [2022-07-12 15:16:27,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-07-12 15:16:27,466 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:16:27,466 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 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] [2022-07-12 15:16:27,521 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-12 15:16:27,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:16:27,683 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-12 15:16:27,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:16:27,684 INFO L85 PathProgramCache]: Analyzing trace with hash 254470871, now seen corresponding path program 1 times [2022-07-12 15:16:27,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:16:27,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1487290287] [2022-07-12 15:16:27,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:16:27,685 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:16:27,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:16:27,687 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) [2022-07-12 15:16:27,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-12 15:16:30,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:30,787 INFO L263 TraceCheckSpWp]: Trace formula consists of 2187 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:16:30,791 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:16:30,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1068 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 988 trivial. 0 not checked. [2022-07-12 15:16:30,929 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:16:30,929 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:16:30,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1487290287] [2022-07-12 15:16:30,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1487290287] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:16:30,929 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:16:30,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:16:30,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378623945] [2022-07-12 15:16:30,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:16:30,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:16:30,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:16:30,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:16:30,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:16:30,930 INFO L87 Difference]: Start difference. First operand 78275 states and 107699 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-12 15:16:34,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:16:34,426 INFO L93 Difference]: Finished difference Result 182324 states and 250944 transitions. [2022-07-12 15:16:34,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:16:34,427 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 264 [2022-07-12 15:16:34,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:16:35,088 INFO L225 Difference]: With dead ends: 182324 [2022-07-12 15:16:35,088 INFO L226 Difference]: Without dead ends: 112645 [2022-07-12 15:16:35,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 263 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:16:35,372 INFO L413 NwaCegarLoop]: 7593 mSDtfsCounter, 3741 mSDsluCounter, 3850 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3741 SdHoareTripleChecker+Valid, 11443 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 [2022-07-12 15:16:35,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3741 Valid, 11443 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-12 15:16:35,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112645 states. [2022-07-12 15:16:39,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112645 to 112605. [2022-07-12 15:16:39,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112605 states, 76697 states have (on average 1.2473629998565785) internal successors, (95669), 77976 states have internal predecessors, (95669), 29417 states have call successors, (29417), 6669 states have call predecessors, (29417), 6487 states have return successors, (29843), 28772 states have call predecessors, (29843), 29413 states have call successors, (29843) [2022-07-12 15:16:40,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112605 states to 112605 states and 154929 transitions. [2022-07-12 15:16:40,041 INFO L78 Accepts]: Start accepts. Automaton has 112605 states and 154929 transitions. Word has length 264 [2022-07-12 15:16:40,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:16:40,042 INFO L495 AbstractCegarLoop]: Abstraction has 112605 states and 154929 transitions. [2022-07-12 15:16:40,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2022-07-12 15:16:40,042 INFO L276 IsEmpty]: Start isEmpty. Operand 112605 states and 154929 transitions. [2022-07-12 15:16:40,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2022-07-12 15:16:40,047 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:16:40,047 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 14, 14, 14, 14, 14, 14, 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] [2022-07-12 15:16:40,092 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Ended with exit code 0 [2022-07-12 15:16:40,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:16:40,266 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-12 15:16:40,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:16:40,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1077391590, now seen corresponding path program 1 times [2022-07-12 15:16:40,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:16:40,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1317682850] [2022-07-12 15:16:40,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:16:40,268 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:16:40,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:16:40,271 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) [2022-07-12 15:16:40,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-12 15:16:42,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:16:42,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 2140 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 15:16:42,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:16:45,979 INFO L134 CoverageAnalysis]: Checked inductivity of 1057 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1051 trivial. 0 not checked. [2022-07-12 15:16:45,980 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 15:16:47,185 INFO L134 CoverageAnalysis]: Checked inductivity of 1057 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1051 trivial. 0 not checked. [2022-07-12 15:16:47,185 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:16:47,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1317682850] [2022-07-12 15:16:47,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1317682850] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-12 15:16:47,185 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 15:16:47,186 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-12 15:16:47,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360849757] [2022-07-12 15:16:47,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:16:47,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 15:16:47,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:16:47,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 15:16:47,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 15:16:47,187 INFO L87 Difference]: Start difference. First operand 112605 states and 154929 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-12 15:16:50,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:16:50,199 INFO L93 Difference]: Finished difference Result 112611 states and 154934 transitions. [2022-07-12 15:16:50,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 15:16:50,199 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 253 [2022-07-12 15:16:50,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:16:50,685 INFO L225 Difference]: With dead ends: 112611 [2022-07-12 15:16:50,685 INFO L226 Difference]: Without dead ends: 112609 [2022-07-12 15:16:50,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 507 GetRequests, 499 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-12 15:16:50,743 INFO L413 NwaCegarLoop]: 3875 mSDtfsCounter, 3798 mSDsluCounter, 7727 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3810 SdHoareTripleChecker+Valid, 11602 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 15:16:50,743 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3810 Valid, 11602 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 15:16:50,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112609 states.