./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-wireless-prism54-prism54.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 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-wireless-prism54-prism54.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 03e2d0e28997af6c53edeab79acb28db60116030b3545ebb50af81c3e69fe889 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 03:04:34,745 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 03:04:34,747 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 03:04:34,777 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 03:04:34,778 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 03:04:34,779 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 03:04:34,781 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 03:04:34,786 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 03:04:34,787 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 03:04:34,791 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 03:04:34,792 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 03:04:34,793 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 03:04:34,794 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 03:04:34,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 03:04:34,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 03:04:34,800 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 03:04:34,801 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 03:04:34,802 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 03:04:34,804 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 03:04:34,808 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 03:04:34,809 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 03:04:34,810 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 03:04:34,811 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 03:04:34,811 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 03:04:34,812 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 03:04:34,818 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 03:04:34,818 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 03:04:34,819 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 03:04:34,820 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 03:04:34,821 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 03:04:34,821 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 03:04:34,822 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 03:04:34,823 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 03:04:34,823 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 03:04:34,824 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 03:04:34,824 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 03:04:34,825 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 03:04:34,826 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 03:04:34,826 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 03:04:34,826 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 03:04:34,826 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 03:04:34,828 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 03:04:34,829 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 03:04:34,859 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 03:04:34,859 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 03:04:34,859 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 03:04:34,860 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 03:04:34,860 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 03:04:34,860 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 03:04:34,861 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 03:04:34,861 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 03:04:34,861 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 03:04:34,862 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 03:04:34,862 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 03:04:34,862 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 03:04:34,862 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 03:04:34,862 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 03:04:34,862 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 03:04:34,863 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 03:04:34,863 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 03:04:34,863 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 03:04:34,863 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 03:04:34,863 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 03:04:34,863 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 03:04:34,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 03:04:34,864 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 03:04:34,864 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 03:04:34,864 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 03:04:34,864 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 03:04:34,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 03:04:34,865 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 03:04:34,865 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 03:04:34,865 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 03:04:34,865 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03e2d0e28997af6c53edeab79acb28db60116030b3545ebb50af81c3e69fe889 [2022-07-14 03:04:35,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 03:04:35,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 03:04:35,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 03:04:35,111 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 03:04:35,112 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 03:04:35,113 INFO L432 ainManager$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-wireless-prism54-prism54.cil.i [2022-07-14 03:04:35,175 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be0e44216/0ade232e3bb54d6bb5388e7b459d39dc/FLAG1bd70d4cf [2022-07-14 03:04:35,852 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 03:04:35,852 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-wireless-prism54-prism54.cil.i [2022-07-14 03:04:35,904 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be0e44216/0ade232e3bb54d6bb5388e7b459d39dc/FLAG1bd70d4cf [2022-07-14 03:04:35,928 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/be0e44216/0ade232e3bb54d6bb5388e7b459d39dc [2022-07-14 03:04:35,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 03:04:35,931 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 03:04:35,933 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 03:04:35,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 03:04:35,936 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 03:04:35,936 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:04:35" (1/1) ... [2022-07-14 03:04:35,937 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@123be584 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:04:35, skipping insertion in model container [2022-07-14 03:04:35,938 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:04:35" (1/1) ... [2022-07-14 03:04:35,942 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 03:04:36,084 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 03:04:39,988 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-wireless-prism54-prism54.cil.i[482333,482346] [2022-07-14 03:04:39,990 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482502,482515] [2022-07-14 03:04:39,990 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482669,482682] [2022-07-14 03:04:39,990 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i[482837,482850] [2022-07-14 03:04:40,026 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:04:40,107 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 03:04:40,242 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.AssertionError: HeapLValues must be converted to RValue before their value can be queried. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:517) 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) [2022-07-14 03:04:40,249 INFO L158 Benchmark]: Toolchain (without parser) took 4317.14ms. Allocated memory was 94.4MB in the beginning and 172.0MB in the end (delta: 77.6MB). Free memory was 58.8MB in the beginning and 83.3MB in the end (delta: -24.5MB). Peak memory consumption was 84.7MB. Max. memory is 16.1GB. [2022-07-14 03:04:40,250 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 94.4MB. Free memory was 49.6MB in the beginning and 49.5MB in the end (delta: 43.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 03:04:40,251 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4314.64ms. Allocated memory was 94.4MB in the beginning and 172.0MB in the end (delta: 77.6MB). Free memory was 58.8MB in the beginning and 83.3MB in the end (delta: -24.5MB). Peak memory consumption was 84.7MB. Max. memory is 16.1GB. [2022-07-14 03:04:40,252 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 94.4MB. Free memory was 49.6MB in the beginning and 49.5MB in the end (delta: 43.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4314.64ms. Allocated memory was 94.4MB in the beginning and 172.0MB in the end (delta: 77.6MB). Free memory was 58.8MB in the beginning and 83.3MB in the end (delta: -24.5MB). Peak memory consumption was 84.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: HeapLValues must be converted to RValue before their value can be queried. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: HeapLValues must be converted to RValue before their value can be queried.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) 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-wireless-prism54-prism54.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 03e2d0e28997af6c53edeab79acb28db60116030b3545ebb50af81c3e69fe889 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 03:04:41,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 03:04:41,938 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 03:04:41,984 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 03:04:41,985 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 03:04:41,986 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 03:04:41,991 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 03:04:41,994 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 03:04:41,996 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 03:04:42,001 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 03:04:42,002 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 03:04:42,007 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 03:04:42,007 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 03:04:42,009 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 03:04:42,010 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 03:04:42,013 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 03:04:42,014 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 03:04:42,016 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 03:04:42,017 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 03:04:42,022 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 03:04:42,023 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 03:04:42,024 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 03:04:42,025 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 03:04:42,027 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 03:04:42,028 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 03:04:42,035 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 03:04:42,035 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 03:04:42,036 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 03:04:42,037 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 03:04:42,037 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 03:04:42,038 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 03:04:42,038 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 03:04:42,040 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 03:04:42,040 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 03:04:42,042 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 03:04:42,042 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 03:04:42,043 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 03:04:42,043 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 03:04:42,044 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 03:04:42,044 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 03:04:42,045 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 03:04:42,046 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 03:04:42,055 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 03:04:42,087 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 03:04:42,087 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 03:04:42,088 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 03:04:42,088 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 03:04:42,088 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 03:04:42,089 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 03:04:42,089 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 03:04:42,089 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 03:04:42,090 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 03:04:42,090 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 03:04:42,090 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 03:04:42,091 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 03:04:42,091 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 03:04:42,091 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 03:04:42,091 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 03:04:42,091 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 03:04:42,092 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 03:04:42,092 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 03:04:42,092 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 03:04:42,092 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 03:04:42,092 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 03:04:42,093 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 03:04:42,093 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 03:04:42,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 03:04:42,093 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 03:04:42,093 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 03:04:42,093 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 03:04:42,094 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 03:04:42,094 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 03:04:42,094 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 03:04:42,094 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 03:04:42,094 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 03:04:42,095 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 03:04:42,095 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 03e2d0e28997af6c53edeab79acb28db60116030b3545ebb50af81c3e69fe889 [2022-07-14 03:04:42,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 03:04:42,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 03:04:42,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 03:04:42,393 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 03:04:42,395 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 03:04:42,396 INFO L432 ainManager$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-wireless-prism54-prism54.cil.i [2022-07-14 03:04:42,442 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a89a7c85/12c240b2970643d5b03ba67ff3754c03/FLAG42cd1e6f9 [2022-07-14 03:04:43,237 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 03:04:43,238 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-wireless-prism54-prism54.cil.i [2022-07-14 03:04:43,290 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a89a7c85/12c240b2970643d5b03ba67ff3754c03/FLAG42cd1e6f9 [2022-07-14 03:04:43,474 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a89a7c85/12c240b2970643d5b03ba67ff3754c03 [2022-07-14 03:04:43,476 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 03:04:43,477 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 03:04:43,479 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 03:04:43,479 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 03:04:43,483 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 03:04:43,484 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:04:43" (1/1) ... [2022-07-14 03:04:43,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@87f8223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:04:43, skipping insertion in model container [2022-07-14 03:04:43,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 03:04:43" (1/1) ... [2022-07-14 03:04:43,491 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 03:04:43,668 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 03:04:47,515 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-wireless-prism54-prism54.cil.i[482333,482346] [2022-07-14 03:04:47,518 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-wireless-prism54-prism54.cil.i[482502,482515] [2022-07-14 03:04:47,518 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-wireless-prism54-prism54.cil.i[482669,482682] [2022-07-14 03:04:47,519 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-wireless-prism54-prism54.cil.i[482837,482850] [2022-07-14 03:04:47,568 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:04:47,658 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 03:04:47,786 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 03:04:48,140 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-wireless-prism54-prism54.cil.i[482333,482346] [2022-07-14 03:04:48,140 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-wireless-prism54-prism54.cil.i[482502,482515] [2022-07-14 03:04:48,141 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-wireless-prism54-prism54.cil.i[482669,482682] [2022-07-14 03:04:48,141 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-wireless-prism54-prism54.cil.i[482837,482850] [2022-07-14 03:04:48,147 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:04:48,227 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 03:04:48,614 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-wireless-prism54-prism54.cil.i[482333,482346] [2022-07-14 03:04:48,615 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-wireless-prism54-prism54.cil.i[482502,482515] [2022-07-14 03:04:48,615 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-wireless-prism54-prism54.cil.i[482669,482682] [2022-07-14 03:04:48,616 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-wireless-prism54-prism54.cil.i[482837,482850] [2022-07-14 03:04:48,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 03:04:48,851 INFO L208 MainTranslator]: Completed translation [2022-07-14 03:04:48,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:04:48 WrapperNode [2022-07-14 03:04:48,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 03:04:48,853 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 03:04:48,853 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 03:04:48,853 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 03:04:48,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:04:48" (1/1) ... [2022-07-14 03:04:49,028 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:04:48" (1/1) ... [2022-07-14 03:04:49,242 INFO L137 Inliner]: procedures = 593, calls = 6324, calls flagged for inlining = 254, calls inlined = 233, statements flattened = 8470 [2022-07-14 03:04:49,243 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 03:04:49,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 03:04:49,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 03:04:49,246 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 03:04:49,255 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:04:48" (1/1) ... [2022-07-14 03:04:49,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:04:48" (1/1) ... [2022-07-14 03:04:49,305 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:04:48" (1/1) ... [2022-07-14 03:04:49,306 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:04:48" (1/1) ... [2022-07-14 03:04:49,517 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:04:48" (1/1) ... [2022-07-14 03:04:49,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:04:48" (1/1) ... [2022-07-14 03:04:49,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:04:48" (1/1) ... [2022-07-14 03:04:49,657 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 03:04:49,659 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 03:04:49,659 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 03:04:49,659 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 03:04:49,660 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:04:48" (1/1) ... [2022-07-14 03:04:49,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 03:04:49,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 03:04:49,685 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) [2022-07-14 03:04:49,715 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 [2022-07-14 03:04:49,729 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_le_to_cpu [2022-07-14 03:04:49,729 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_le_to_cpu [2022-07-14 03:04:49,729 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_eth_tx_timeout [2022-07-14 03:04:49,729 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_eth_tx_timeout [2022-07-14 03:04:49,729 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-14 03:04:49,729 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-14 03:04:49,730 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-14 03:04:49,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 03:04:49,730 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 03:04:49,730 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_trigger [2022-07-14 03:04:49,730 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_trigger [2022-07-14 03:04:49,730 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-14 03:04:49,730 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-14 03:04:49,730 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 03:04:49,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 03:04:49,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_slock_of_NOT_ARG_SIGN [2022-07-14 03:04:49,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_slock_of_NOT_ARG_SIGN [2022-07-14 03:04:49,731 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_mib_mode_helper [2022-07-14 03:04:49,731 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_mib_mode_helper [2022-07-14 03:04:49,731 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-14 03:04:49,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-14 03:04:49,732 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-14 03:04:49,732 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-14 03:04:49,732 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-14 03:04:49,732 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-14 03:04:49,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2022-07-14 03:04:49,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2022-07-14 03:04:49,732 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_slock_of_NOT_ARG_SIGN [2022-07-14 03:04:49,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_slock_of_NOT_ARG_SIGN [2022-07-14 03:04:49,733 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set_request [2022-07-14 03:04:49,733 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set_request [2022-07-14 03:04:49,733 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_cpu_to_le [2022-07-14 03:04:49,733 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_cpu_to_le [2022-07-14 03:04:49,733 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-14 03:04:49,734 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_get_state [2022-07-14 03:04:49,734 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_get_state [2022-07-14 03:04:49,734 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-14 03:04:49,734 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-14 03:04:49,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 03:04:49,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 03:04:49,735 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-14 03:04:49,735 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-14 03:04:49,735 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-14 03:04:49,736 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-14 03:04:49,736 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_release [2022-07-14 03:04:49,736 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_release [2022-07-14 03:04:49,737 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 03:04:49,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 03:04:49,737 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-14 03:04:49,737 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-14 03:04:49,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 03:04:49,737 INFO L130 BoogieDeclarations]: Found specification of procedure send_simple_event [2022-07-14 03:04:49,738 INFO L138 BoogieDeclarations]: Found implementation of procedure send_simple_event [2022-07-14 03:04:49,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-14 03:04:49,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 03:04:49,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 03:04:49,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-14 03:04:49,738 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-14 03:04:49,739 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-14 03:04:49,739 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-14 03:04:49,739 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-14 03:04:49,739 INFO L130 BoogieDeclarations]: Found specification of procedure send_formatted_event [2022-07-14 03:04:49,739 INFO L138 BoogieDeclarations]: Found implementation of procedure send_formatted_event [2022-07-14 03:04:49,739 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set [2022-07-14 03:04:49,739 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set [2022-07-14 03:04:49,740 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-14 03:04:49,740 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-14 03:04:49,740 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_reset [2022-07-14 03:04:49,740 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_reset [2022-07-14 03:04:49,740 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-14 03:04:49,740 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-14 03:04:49,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-14 03:04:49,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-14 03:04:49,741 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2022-07-14 03:04:49,741 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2022-07-14 03:04:49,741 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 03:04:49,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 03:04:49,741 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-14 03:04:49,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-14 03:04:49,742 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 03:04:49,742 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 03:04:49,742 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-14 03:04:49,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-14 03:04:49,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-14 03:04:49,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-14 03:04:49,743 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_open [2022-07-14 03:04:49,743 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_open [2022-07-14 03:04:49,743 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_resume [2022-07-14 03:04:49,743 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_resume [2022-07-14 03:04:49,743 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-14 03:04:49,743 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-14 03:04:49,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-14 03:04:49,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-14 03:04:49,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 03:04:49,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-14 03:04:49,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-14 03:04:49,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-14 03:04:49,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-14 03:04:49,744 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2022-07-14 03:04:49,745 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2022-07-14 03:04:49,745 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-14 03:04:49,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-14 03:04:49,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 03:04:49,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 03:04:49,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 03:04:49,747 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 03:04:49,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 03:04:49,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 03:04:49,748 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-14 03:04:49,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-14 03:04:49,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-14 03:04:49,749 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 03:04:49,752 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 03:04:49,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-14 03:04:49,753 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-14 03:04:49,753 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-14 03:04:49,753 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-14 03:04:49,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-14 03:04:49,753 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-14 03:04:49,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-14 03:04:49,754 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 03:04:49,754 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 03:04:49,754 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-14 03:04:49,754 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-14 03:04:49,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-14 03:04:49,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-14 03:04:49,754 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-07-14 03:04:49,754 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-07-14 03:04:49,754 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-14 03:04:49,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-14 03:04:49,755 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-14 03:04:49,755 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-14 03:04:49,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-14 03:04:49,755 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_prism54_module_exit_12_2 [2022-07-14 03:04:49,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_prism54_module_exit_12_2 [2022-07-14 03:04:49,755 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2022-07-14 03:04:49,755 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2022-07-14 03:04:49,755 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-14 03:04:49,755 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-14 03:04:49,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 03:04:49,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 03:04:49,756 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2022-07-14 03:04:49,756 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2022-07-14 03:04:49,756 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-14 03:04:49,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-14 03:04:49,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-14 03:04:49,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-14 03:04:49,756 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-14 03:04:49,756 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_clear_mac [2022-07-14 03:04:49,757 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_clear_mac [2022-07-14 03:04:49,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-14 03:04:49,757 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_wpa_bss_ie_get [2022-07-14 03:04:49,757 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_wpa_bss_ie_get [2022-07-14 03:04:49,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 03:04:49,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 03:04:49,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-14 03:04:49,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 03:04:49,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 03:04:49,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 03:04:49,758 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-14 03:04:49,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-14 03:04:49,758 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-14 03:04:49,758 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-14 03:04:49,758 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-14 03:04:49,758 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-14 03:04:49,758 INFO L130 BoogieDeclarations]: Found specification of procedure handle_request [2022-07-14 03:04:49,758 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_request [2022-07-14 03:04:49,758 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_bring_down [2022-07-14 03:04:49,759 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_bring_down [2022-07-14 03:04:49,759 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible_nested [2022-07-14 03:04:49,759 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible_nested [2022-07-14 03:04:49,759 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-14 03:04:49,760 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-14 03:04:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-14 03:04:49,760 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-14 03:04:49,760 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 03:04:49,761 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 03:04:49,761 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-14 03:04:49,761 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-14 03:04:49,761 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-14 03:04:49,761 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-14 03:04:49,761 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-14 03:04:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-14 03:04:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-14 03:04:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-14 03:04:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 03:04:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-14 03:04:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-14 03:04:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_set_state [2022-07-14 03:04:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_set_state [2022-07-14 03:04:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2022-07-14 03:04:49,762 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2022-07-14 03:04:49,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 03:04:49,763 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set_varlen [2022-07-14 03:04:49,763 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set_varlen [2022-07-14 03:04:49,763 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-07-14 03:04:49,763 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-07-14 03:04:49,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-14 03:04:49,763 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2022-07-14 03:04:49,763 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2022-07-14 03:04:49,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-14 03:04:49,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-14 03:04:49,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 03:04:49,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 03:04:49,764 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_close [2022-07-14 03:04:49,764 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_close [2022-07-14 03:04:49,764 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-07-14 03:04:49,764 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-07-14 03:04:49,764 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_get_request [2022-07-14 03:04:49,764 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_get_request [2022-07-14 03:04:49,764 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-14 03:04:49,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-14 03:04:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-14 03:04:49,765 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-14 03:04:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-14 03:04:49,765 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-14 03:04:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-14 03:04:49,765 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-14 03:04:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_remove [2022-07-14 03:04:49,765 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_remove [2022-07-14 03:04:49,765 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_w32_flush [2022-07-14 03:04:49,765 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_w32_flush [2022-07-14 03:04:49,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 03:04:49,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 03:04:49,766 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-14 03:04:49,766 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-14 03:04:49,766 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-07-14 03:04:49,766 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-07-14 03:04:49,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-14 03:04:49,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-14 03:04:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-07-14 03:04:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-07-14 03:04:49,769 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit_list [2022-07-14 03:04:49,769 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit_list [2022-07-14 03:04:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-14 03:04:49,770 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-14 03:04:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-14 03:04:49,770 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-14 03:04:49,770 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-14 03:04:49,771 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-14 03:04:49,771 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgmt_rx_fill [2022-07-14 03:04:49,771 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgmt_rx_fill [2022-07-14 03:04:49,771 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_transaction [2022-07-14 03:04:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_transaction [2022-07-14 03:04:49,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_61 [2022-07-14 03:04:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_61 [2022-07-14 03:04:49,772 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 03:04:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 03:04:49,772 INFO L130 BoogieDeclarations]: Found specification of procedure channel_of_freq [2022-07-14 03:04:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_of_freq [2022-07-14 03:04:49,772 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-07-14 03:04:49,772 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-07-14 03:04:49,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-14 03:04:49,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-14 03:04:49,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-14 03:04:49,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-14 03:04:49,773 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-07-14 03:04:49,773 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-07-14 03:04:49,773 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 03:04:49,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 03:04:49,773 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_free_memory [2022-07-14 03:04:49,773 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_free_memory [2022-07-14 03:04:49,773 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit [2022-07-14 03:04:49,773 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit [2022-07-14 03:04:49,773 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-14 03:04:49,774 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-14 03:04:49,774 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32s [2022-07-14 03:04:49,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32s [2022-07-14 03:04:49,774 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-07-14 03:04:49,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-07-14 03:04:49,774 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-14 03:04:49,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-14 03:04:49,774 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 03:04:49,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 03:04:49,774 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-14 03:04:49,775 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-14 03:04:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-07-14 03:04:49,775 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-07-14 03:04:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_in_queue [2022-07-14 03:04:49,775 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_in_queue [2022-07-14 03:04:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-14 03:04:49,775 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-14 03:04:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-14 03:04:49,775 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-14 03:04:49,775 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-14 03:04:49,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-14 03:04:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-14 03:04:49,776 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-14 03:04:49,776 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_disable_interrupts [2022-07-14 03:04:49,776 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_disable_interrupts [2022-07-14 03:04:50,570 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 03:04:50,573 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 03:04:54,748 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 03:05:50,952 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-14 03:05:54,535 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 03:05:54,549 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 03:05:54,549 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2022-07-14 03:05:54,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:05:54 BoogieIcfgContainer [2022-07-14 03:05:54,553 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 03:05:54,554 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 03:05:54,554 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 03:05:54,556 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 03:05:54,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 03:04:43" (1/3) ... [2022-07-14 03:05:54,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@741658ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 03:05:54, skipping insertion in model container [2022-07-14 03:05:54,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 03:04:48" (2/3) ... [2022-07-14 03:05:54,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@741658ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 03:05:54, skipping insertion in model container [2022-07-14 03:05:54,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:05:54" (3/3) ... [2022-07-14 03:05:54,558 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-prism54-prism54.cil.i [2022-07-14 03:05:54,569 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 03:05:54,569 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-14 03:05:54,641 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 03:05:54,648 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@1727891, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@47450f4b [2022-07-14 03:05:54,650 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-14 03:05:54,660 INFO L276 IsEmpty]: Start isEmpty. Operand has 2399 states, 1649 states have (on average 1.2941176470588236) internal successors, (2134), 1700 states have internal predecessors, (2134), 620 states have call successors, (620), 128 states have call predecessors, (620), 127 states have return successors, (614), 594 states have call predecessors, (614), 614 states have call successors, (614) [2022-07-14 03:05:54,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2022-07-14 03:05:54,682 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:05:54,683 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:05:54,683 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 03:05:54,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:05:54,687 INFO L85 PathProgramCache]: Analyzing trace with hash 2143999495, now seen corresponding path program 1 times [2022-07-14 03:05:54,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:05:54,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1895382838] [2022-07-14 03:05:54,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:05:54,704 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:05:54,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:05:54,706 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) [2022-07-14 03:05:54,708 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-14 03:06:02,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:02,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 5202 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:06:02,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:06:03,114 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-07-14 03:06:03,114 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:06:03,114 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:06:03,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1895382838] [2022-07-14 03:06:03,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1895382838] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:06:03,115 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:06:03,115 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:06:03,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828363792] [2022-07-14 03:06:03,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:06:03,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:06:03,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:06:03,158 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:06:03,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:06:03,165 INFO L87 Difference]: Start difference. First operand has 2399 states, 1649 states have (on average 1.2941176470588236) internal successors, (2134), 1700 states have internal predecessors, (2134), 620 states have call successors, (620), 128 states have call predecessors, (620), 127 states have return successors, (614), 594 states have call predecessors, (614), 614 states have call successors, (614) Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-14 03:06:04,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:06:04,042 INFO L93 Difference]: Finished difference Result 6801 states and 9827 transitions. [2022-07-14 03:06:04,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:06:04,045 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 89 [2022-07-14 03:06:04,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:06:04,106 INFO L225 Difference]: With dead ends: 6801 [2022-07-14 03:06:04,107 INFO L226 Difference]: Without dead ends: 4399 [2022-07-14 03:06:04,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:06:04,135 INFO L413 NwaCegarLoop]: 3845 mSDtfsCounter, 2809 mSDsluCounter, 3275 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2809 SdHoareTripleChecker+Valid, 7120 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-14 03:06:04,136 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2809 Valid, 7120 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-14 03:06:04,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4399 states. [2022-07-14 03:06:04,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4399 to 4372. [2022-07-14 03:06:04,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4372 states, 3013 states have (on average 1.2658479920345171) internal successors, (3814), 3113 states have internal predecessors, (3814), 1113 states have call successors, (1113), 245 states have call predecessors, (1113), 243 states have return successors, (1111), 1063 states have call predecessors, (1111), 1109 states have call successors, (1111) [2022-07-14 03:06:04,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4372 states to 4372 states and 6038 transitions. [2022-07-14 03:06:04,471 INFO L78 Accepts]: Start accepts. Automaton has 4372 states and 6038 transitions. Word has length 89 [2022-07-14 03:06:04,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:06:04,471 INFO L495 AbstractCegarLoop]: Abstraction has 4372 states and 6038 transitions. [2022-07-14 03:06:04,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 3 states have call successors, (10), 3 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-14 03:06:04,472 INFO L276 IsEmpty]: Start isEmpty. Operand 4372 states and 6038 transitions. [2022-07-14 03:06:04,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-07-14 03:06:04,476 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:06:04,476 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:06:04,622 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-14 03:06:04,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:06:04,692 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 03:06:04,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:06:04,692 INFO L85 PathProgramCache]: Analyzing trace with hash -926596189, now seen corresponding path program 1 times [2022-07-14 03:06:04,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:06:04,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [548093632] [2022-07-14 03:06:04,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:06:04,698 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:06:04,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:06:04,700 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) [2022-07-14 03:06:04,706 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-14 03:06:12,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:12,664 INFO L263 TraceCheckSpWp]: Trace formula consists of 5158 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:06:12,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:06:12,808 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-07-14 03:06:12,809 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:06:12,809 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:06:12,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [548093632] [2022-07-14 03:06:12,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [548093632] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:06:12,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:06:12,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:06:12,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220960331] [2022-07-14 03:06:12,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:06:12,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:06:12,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:06:12,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:06:12,811 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:06:12,811 INFO L87 Difference]: Start difference. First operand 4372 states and 6038 transitions. Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-07-14 03:06:13,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:06:13,641 INFO L93 Difference]: Finished difference Result 12907 states and 17829 transitions. [2022-07-14 03:06:13,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:06:13,642 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 94 [2022-07-14 03:06:13,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:06:13,698 INFO L225 Difference]: With dead ends: 12907 [2022-07-14 03:06:13,698 INFO L226 Difference]: Without dead ends: 8552 [2022-07-14 03:06:13,729 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:06:13,730 INFO L413 NwaCegarLoop]: 3880 mSDtfsCounter, 3179 mSDsluCounter, 3208 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3179 SdHoareTripleChecker+Valid, 7088 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-14 03:06:13,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3179 Valid, 7088 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-14 03:06:13,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8552 states. [2022-07-14 03:06:14,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8552 to 8548. [2022-07-14 03:06:14,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8548 states, 5891 states have (on average 1.2656594805635715) internal successors, (7456), 6083 states have internal predecessors, (7456), 2171 states have call successors, (2171), 486 states have call predecessors, (2171), 483 states have return successors, (2171), 2078 states have call predecessors, (2171), 2167 states have call successors, (2171) [2022-07-14 03:06:14,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8548 states to 8548 states and 11798 transitions. [2022-07-14 03:06:14,106 INFO L78 Accepts]: Start accepts. Automaton has 8548 states and 11798 transitions. Word has length 94 [2022-07-14 03:06:14,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:06:14,106 INFO L495 AbstractCegarLoop]: Abstraction has 8548 states and 11798 transitions. [2022-07-14 03:06:14,106 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-07-14 03:06:14,107 INFO L276 IsEmpty]: Start isEmpty. Operand 8548 states and 11798 transitions. [2022-07-14 03:06:14,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-07-14 03:06:14,108 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:06:14,108 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:06:14,260 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-14 03:06:14,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:06:14,335 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 03:06:14,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:06:14,336 INFO L85 PathProgramCache]: Analyzing trace with hash 463962046, now seen corresponding path program 1 times [2022-07-14 03:06:14,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:06:14,341 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [189383223] [2022-07-14 03:06:14,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:06:14,341 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:06:14,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:06:14,347 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) [2022-07-14 03:06:14,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-14 03:06:21,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:22,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 5196 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:06:22,176 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:06:22,334 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-07-14 03:06:22,334 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:06:22,334 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:06:22,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [189383223] [2022-07-14 03:06:22,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [189383223] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:06:22,335 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:06:22,335 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:06:22,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142215497] [2022-07-14 03:06:22,335 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:06:22,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:06:22,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:06:22,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:06:22,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:06:22,336 INFO L87 Difference]: Start difference. First operand 8548 states and 11798 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-07-14 03:06:23,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:06:23,381 INFO L93 Difference]: Finished difference Result 24926 states and 34392 transitions. [2022-07-14 03:06:23,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:06:23,382 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 99 [2022-07-14 03:06:23,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:06:23,481 INFO L225 Difference]: With dead ends: 24926 [2022-07-14 03:06:23,481 INFO L226 Difference]: Without dead ends: 16395 [2022-07-14 03:06:23,513 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:06:23,516 INFO L413 NwaCegarLoop]: 3868 mSDtfsCounter, 3060 mSDsluCounter, 3205 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3060 SdHoareTripleChecker+Valid, 7073 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-14 03:06:23,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3060 Valid, 7073 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-14 03:06:23,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16395 states. [2022-07-14 03:06:23,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16395 to 16358. [2022-07-14 03:06:23,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16358 states, 11263 states have (on average 1.2653822249844624) internal successors, (14252), 11643 states have internal predecessors, (14252), 4147 states have call successors, (4147), 956 states have call predecessors, (4147), 945 states have return successors, (4153), 3946 states have call predecessors, (4153), 4143 states have call successors, (4153) [2022-07-14 03:06:24,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16358 states to 16358 states and 22552 transitions. [2022-07-14 03:06:24,067 INFO L78 Accepts]: Start accepts. Automaton has 16358 states and 22552 transitions. Word has length 99 [2022-07-14 03:06:24,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:06:24,067 INFO L495 AbstractCegarLoop]: Abstraction has 16358 states and 22552 transitions. [2022-07-14 03:06:24,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-07-14 03:06:24,068 INFO L276 IsEmpty]: Start isEmpty. Operand 16358 states and 22552 transitions. [2022-07-14 03:06:24,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-07-14 03:06:24,079 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:06:24,079 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 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] [2022-07-14 03:06:24,230 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-14 03:06:24,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:06:24,299 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 03:06:24,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:06:24,300 INFO L85 PathProgramCache]: Analyzing trace with hash 836421759, now seen corresponding path program 1 times [2022-07-14 03:06:24,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:06:24,307 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [362365715] [2022-07-14 03:06:24,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:06:24,307 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:06:24,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:06:24,309 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) [2022-07-14 03:06:24,310 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-14 03:06:31,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:32,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 5299 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 03:06:32,110 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:06:33,606 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2022-07-14 03:06:33,606 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:06:33,606 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:06:33,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [362365715] [2022-07-14 03:06:33,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [362365715] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:06:33,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:06:33,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 03:06:33,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421527985] [2022-07-14 03:06:33,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:06:33,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 03:06:33,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:06:33,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 03:06:33,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 03:06:33,609 INFO L87 Difference]: Start difference. First operand 16358 states and 22552 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-07-14 03:06:34,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:06:34,076 INFO L93 Difference]: Finished difference Result 16364 states and 22557 transitions. [2022-07-14 03:06:34,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 03:06:34,077 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 166 [2022-07-14 03:06:34,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:06:34,177 INFO L225 Difference]: With dead ends: 16364 [2022-07-14 03:06:34,178 INFO L226 Difference]: Without dead ends: 16362 [2022-07-14 03:06:34,190 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-14 03:06:34,192 INFO L413 NwaCegarLoop]: 3290 mSDtfsCounter, 3205 mSDsluCounter, 6568 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3206 SdHoareTripleChecker+Valid, 9858 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 03:06:34,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3206 Valid, 9858 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 03:06:34,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16362 states. [2022-07-14 03:06:34,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16362 to 16362. [2022-07-14 03:06:34,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16362 states, 11266 states have (on average 1.2653115568968578) internal successors, (14255), 11646 states have internal predecessors, (14255), 4147 states have call successors, (4147), 957 states have call predecessors, (4147), 946 states have return successors, (4153), 3946 states have call predecessors, (4153), 4143 states have call successors, (4153) [2022-07-14 03:06:34,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16362 states to 16362 states and 22555 transitions. [2022-07-14 03:06:34,769 INFO L78 Accepts]: Start accepts. Automaton has 16362 states and 22555 transitions. Word has length 166 [2022-07-14 03:06:34,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:06:34,771 INFO L495 AbstractCegarLoop]: Abstraction has 16362 states and 22555 transitions. [2022-07-14 03:06:34,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-07-14 03:06:34,771 INFO L276 IsEmpty]: Start isEmpty. Operand 16362 states and 22555 transitions. [2022-07-14 03:06:34,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-07-14 03:06:34,777 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:06:34,777 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 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] [2022-07-14 03:06:34,924 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-14 03:06:34,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:06:34,992 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 03:06:34,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:06:34,992 INFO L85 PathProgramCache]: Analyzing trace with hash 449362951, now seen corresponding path program 1 times [2022-07-14 03:06:34,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:06:34,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1322424966] [2022-07-14 03:06:34,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:06:34,998 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:06:34,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:06:35,000 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) [2022-07-14 03:06:35,000 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-14 03:06:42,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:43,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 5306 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 03:06:43,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:06:44,726 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2022-07-14 03:06:44,726 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 03:06:45,568 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2022-07-14 03:06:45,569 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:06:45,569 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1322424966] [2022-07-14 03:06:45,569 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1322424966] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-14 03:06:45,569 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 03:06:45,569 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-14 03:06:45,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955891456] [2022-07-14 03:06:45,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:06:45,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 03:06:45,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:06:45,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 03:06:45,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-14 03:06:45,570 INFO L87 Difference]: Start difference. First operand 16362 states and 22555 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-14 03:06:46,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:06:46,112 INFO L93 Difference]: Finished difference Result 16368 states and 22560 transitions. [2022-07-14 03:06:46,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 03:06:46,112 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 171 [2022-07-14 03:06:46,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:06:46,184 INFO L225 Difference]: With dead ends: 16368 [2022-07-14 03:06:46,185 INFO L226 Difference]: Without dead ends: 16366 [2022-07-14 03:06:46,198 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-14 03:06:46,199 INFO L413 NwaCegarLoop]: 3293 mSDtfsCounter, 3220 mSDsluCounter, 6567 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3230 SdHoareTripleChecker+Valid, 9860 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 03:06:46,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3230 Valid, 9860 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 03:06:46,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16366 states. [2022-07-14 03:06:46,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16366 to 16366. [2022-07-14 03:06:46,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16366 states, 11269 states have (on average 1.2652409264353537) internal successors, (14258), 11649 states have internal predecessors, (14258), 4147 states have call successors, (4147), 958 states have call predecessors, (4147), 947 states have return successors, (4153), 3946 states have call predecessors, (4153), 4143 states have call successors, (4153) [2022-07-14 03:06:46,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16366 states to 16366 states and 22558 transitions. [2022-07-14 03:06:46,747 INFO L78 Accepts]: Start accepts. Automaton has 16366 states and 22558 transitions. Word has length 171 [2022-07-14 03:06:46,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:06:46,748 INFO L495 AbstractCegarLoop]: Abstraction has 16366 states and 22558 transitions. [2022-07-14 03:06:46,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-14 03:06:46,748 INFO L276 IsEmpty]: Start isEmpty. Operand 16366 states and 22558 transitions. [2022-07-14 03:06:46,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-07-14 03:06:46,754 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:06:46,754 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 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] [2022-07-14 03:06:46,887 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-14 03:06:46,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:06:46,967 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 03:06:46,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:06:46,967 INFO L85 PathProgramCache]: Analyzing trace with hash 1338692927, now seen corresponding path program 1 times [2022-07-14 03:06:46,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:06:46,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [958122247] [2022-07-14 03:06:46,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:06:46,977 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:06:46,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:06:46,980 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) [2022-07-14 03:06:46,983 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-14 03:06:54,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:06:55,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 5313 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 03:06:55,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:06:56,799 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2022-07-14 03:06:56,799 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 03:06:57,669 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2022-07-14 03:06:57,669 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:06:57,669 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [958122247] [2022-07-14 03:06:57,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [958122247] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-14 03:06:57,669 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 03:06:57,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-14 03:06:57,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199824120] [2022-07-14 03:06:57,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:06:57,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 03:06:57,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:06:57,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 03:06:57,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-14 03:06:57,671 INFO L87 Difference]: Start difference. First operand 16366 states and 22558 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-14 03:06:58,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:06:58,292 INFO L93 Difference]: Finished difference Result 16372 states and 22563 transitions. [2022-07-14 03:06:58,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 03:06:58,293 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 176 [2022-07-14 03:06:58,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:06:58,365 INFO L225 Difference]: With dead ends: 16372 [2022-07-14 03:06:58,366 INFO L226 Difference]: Without dead ends: 16370 [2022-07-14 03:06:58,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-14 03:06:58,379 INFO L413 NwaCegarLoop]: 3293 mSDtfsCounter, 3220 mSDsluCounter, 6567 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3229 SdHoareTripleChecker+Valid, 9860 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 03:06:58,379 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3229 Valid, 9860 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 03:06:58,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16370 states. [2022-07-14 03:06:58,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16370 to 16370. [2022-07-14 03:06:58,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16370 states, 11272 states have (on average 1.2651703335699078) internal successors, (14261), 11652 states have internal predecessors, (14261), 4147 states have call successors, (4147), 959 states have call predecessors, (4147), 948 states have return successors, (4153), 3946 states have call predecessors, (4153), 4143 states have call successors, (4153) [2022-07-14 03:06:58,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16370 states to 16370 states and 22561 transitions. [2022-07-14 03:06:58,946 INFO L78 Accepts]: Start accepts. Automaton has 16370 states and 22561 transitions. Word has length 176 [2022-07-14 03:06:58,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:06:58,947 INFO L495 AbstractCegarLoop]: Abstraction has 16370 states and 22561 transitions. [2022-07-14 03:06:58,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-14 03:06:58,947 INFO L276 IsEmpty]: Start isEmpty. Operand 16370 states and 22561 transitions. [2022-07-14 03:06:58,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-07-14 03:06:58,954 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:06:58,955 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 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] [2022-07-14 03:06:59,088 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-14 03:06:59,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:06:59,175 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 03:06:59,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:06:59,176 INFO L85 PathProgramCache]: Analyzing trace with hash -186853689, now seen corresponding path program 1 times [2022-07-14 03:06:59,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:06:59,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [410340707] [2022-07-14 03:06:59,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:06:59,183 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:06:59,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:06:59,184 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) [2022-07-14 03:06:59,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-14 03:07:07,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:07,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 5320 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 03:07:07,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:07:09,226 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2022-07-14 03:07:09,226 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 03:07:10,121 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2022-07-14 03:07:10,122 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:07:10,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [410340707] [2022-07-14 03:07:10,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [410340707] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-14 03:07:10,122 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 03:07:10,122 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-14 03:07:10,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051599630] [2022-07-14 03:07:10,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:07:10,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 03:07:10,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:07:10,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 03:07:10,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-14 03:07:10,124 INFO L87 Difference]: Start difference. First operand 16370 states and 22561 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-14 03:07:10,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:07:10,751 INFO L93 Difference]: Finished difference Result 16376 states and 22566 transitions. [2022-07-14 03:07:10,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 03:07:10,752 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 181 [2022-07-14 03:07:10,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:07:10,821 INFO L225 Difference]: With dead ends: 16376 [2022-07-14 03:07:10,821 INFO L226 Difference]: Without dead ends: 16374 [2022-07-14 03:07:10,832 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 355 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-14 03:07:10,833 INFO L413 NwaCegarLoop]: 3293 mSDtfsCounter, 3220 mSDsluCounter, 6567 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3228 SdHoareTripleChecker+Valid, 9860 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 03:07:10,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3228 Valid, 9860 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 03:07:10,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16374 states. [2022-07-14 03:07:11,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16374 to 16374. [2022-07-14 03:07:11,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16374 states, 11275 states have (on average 1.26509977827051) internal successors, (14264), 11655 states have internal predecessors, (14264), 4147 states have call successors, (4147), 960 states have call predecessors, (4147), 949 states have return successors, (4153), 3946 states have call predecessors, (4153), 4143 states have call successors, (4153) [2022-07-14 03:07:11,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16374 states to 16374 states and 22564 transitions. [2022-07-14 03:07:11,635 INFO L78 Accepts]: Start accepts. Automaton has 16374 states and 22564 transitions. Word has length 181 [2022-07-14 03:07:11,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:07:11,636 INFO L495 AbstractCegarLoop]: Abstraction has 16374 states and 22564 transitions. [2022-07-14 03:07:11,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-14 03:07:11,637 INFO L276 IsEmpty]: Start isEmpty. Operand 16374 states and 22564 transitions. [2022-07-14 03:07:11,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-07-14 03:07:11,645 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:07:11,645 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:07:11,903 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-14 03:07:11,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:07:11,980 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 03:07:11,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:07:11,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1829345698, now seen corresponding path program 1 times [2022-07-14 03:07:11,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:07:11,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1215721729] [2022-07-14 03:07:11,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:07:11,987 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:07:11,987 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:07:11,989 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) [2022-07-14 03:07:11,990 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-14 03:07:19,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:20,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 5377 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:07:20,096 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:07:20,192 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2022-07-14 03:07:20,193 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:07:20,193 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:07:20,193 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1215721729] [2022-07-14 03:07:20,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1215721729] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:07:20,193 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:07:20,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:07:20,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632642534] [2022-07-14 03:07:20,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:07:20,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:07:20,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:07:20,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:07:20,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:07:20,194 INFO L87 Difference]: Start difference. First operand 16374 states and 22564 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-14 03:07:21,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:07:21,321 INFO L93 Difference]: Finished difference Result 32817 states and 45211 transitions. [2022-07-14 03:07:21,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:07:21,321 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 197 [2022-07-14 03:07:21,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:07:21,468 INFO L225 Difference]: With dead ends: 32817 [2022-07-14 03:07:21,469 INFO L226 Difference]: Without dead ends: 24416 [2022-07-14 03:07:21,502 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:07:21,503 INFO L413 NwaCegarLoop]: 6424 mSDtfsCounter, 3151 mSDsluCounter, 3268 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3151 SdHoareTripleChecker+Valid, 9692 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-14 03:07:21,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3151 Valid, 9692 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-14 03:07:21,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24416 states. [2022-07-14 03:07:22,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24416 to 24378. [2022-07-14 03:07:22,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24378 states, 16780 states have (on average 1.2650178784266985) internal successors, (21227), 17343 states have internal predecessors, (21227), 6176 states have call successors, (6176), 1435 states have call predecessors, (6176), 1419 states have return successors, (6187), 5881 states have call predecessors, (6187), 6172 states have call successors, (6187) [2022-07-14 03:07:22,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24378 states to 24378 states and 33590 transitions. [2022-07-14 03:07:22,313 INFO L78 Accepts]: Start accepts. Automaton has 24378 states and 33590 transitions. Word has length 197 [2022-07-14 03:07:22,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:07:22,314 INFO L495 AbstractCegarLoop]: Abstraction has 24378 states and 33590 transitions. [2022-07-14 03:07:22,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-14 03:07:22,314 INFO L276 IsEmpty]: Start isEmpty. Operand 24378 states and 33590 transitions. [2022-07-14 03:07:22,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-07-14 03:07:22,321 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:07:22,321 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:07:22,480 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-14 03:07:22,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:07:22,536 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 03:07:22,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:07:22,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1209246207, now seen corresponding path program 1 times [2022-07-14 03:07:22,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:07:22,544 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [319880508] [2022-07-14 03:07:22,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:07:22,544 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:07:22,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:07:22,545 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) [2022-07-14 03:07:22,547 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-14 03:07:30,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:30,907 INFO L263 TraceCheckSpWp]: Trace formula consists of 5327 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 03:07:30,912 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:07:32,558 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2022-07-14 03:07:32,558 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 03:07:33,435 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2022-07-14 03:07:33,436 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:07:33,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [319880508] [2022-07-14 03:07:33,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [319880508] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-14 03:07:33,436 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 03:07:33,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-14 03:07:33,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718100594] [2022-07-14 03:07:33,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:07:33,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 03:07:33,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:07:33,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 03:07:33,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-14 03:07:33,438 INFO L87 Difference]: Start difference. First operand 24378 states and 33590 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-14 03:07:34,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:07:34,205 INFO L93 Difference]: Finished difference Result 24384 states and 33595 transitions. [2022-07-14 03:07:34,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 03:07:34,206 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 186 [2022-07-14 03:07:34,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:07:34,306 INFO L225 Difference]: With dead ends: 24384 [2022-07-14 03:07:34,306 INFO L226 Difference]: Without dead ends: 24382 [2022-07-14 03:07:34,325 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 365 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-14 03:07:34,327 INFO L413 NwaCegarLoop]: 3293 mSDtfsCounter, 3220 mSDsluCounter, 6567 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3227 SdHoareTripleChecker+Valid, 9860 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 03:07:34,328 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3227 Valid, 9860 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 03:07:34,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24382 states. [2022-07-14 03:07:35,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24382 to 24382. [2022-07-14 03:07:35,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24382 states, 16783 states have (on average 1.2649705058690341) internal successors, (21230), 17346 states have internal predecessors, (21230), 6176 states have call successors, (6176), 1436 states have call predecessors, (6176), 1420 states have return successors, (6187), 5881 states have call predecessors, (6187), 6172 states have call successors, (6187) [2022-07-14 03:07:35,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24382 states to 24382 states and 33593 transitions. [2022-07-14 03:07:35,301 INFO L78 Accepts]: Start accepts. Automaton has 24382 states and 33593 transitions. Word has length 186 [2022-07-14 03:07:35,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:07:35,301 INFO L495 AbstractCegarLoop]: Abstraction has 24382 states and 33593 transitions. [2022-07-14 03:07:35,301 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-14 03:07:35,302 INFO L276 IsEmpty]: Start isEmpty. Operand 24382 states and 33593 transitions. [2022-07-14 03:07:35,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2022-07-14 03:07:35,310 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:07:35,310 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:07:35,468 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Ended with exit code 0 [2022-07-14 03:07:35,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:07:35,520 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 03:07:35,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:07:35,520 INFO L85 PathProgramCache]: Analyzing trace with hash 410470082, now seen corresponding path program 1 times [2022-07-14 03:07:35,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:07:35,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [500793883] [2022-07-14 03:07:35,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:07:35,525 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:07:35,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:07:35,527 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) [2022-07-14 03:07:35,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-14 03:07:43,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:43,489 INFO L263 TraceCheckSpWp]: Trace formula consists of 5384 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 03:07:43,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:07:43,586 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-07-14 03:07:43,587 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 03:07:43,587 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:07:43,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [500793883] [2022-07-14 03:07:43,587 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [500793883] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 03:07:43,587 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 03:07:43,587 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 03:07:43,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475977221] [2022-07-14 03:07:43,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:07:43,588 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 03:07:43,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:07:43,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 03:07:43,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:07:43,589 INFO L87 Difference]: Start difference. First operand 24382 states and 33593 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-14 03:07:45,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:07:45,161 INFO L93 Difference]: Finished difference Result 48795 states and 67221 transitions. [2022-07-14 03:07:45,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 03:07:45,161 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 202 [2022-07-14 03:07:45,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:07:45,309 INFO L225 Difference]: With dead ends: 48795 [2022-07-14 03:07:45,309 INFO L226 Difference]: Without dead ends: 32386 [2022-07-14 03:07:45,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 03:07:45,376 INFO L413 NwaCegarLoop]: 6414 mSDtfsCounter, 3124 mSDsluCounter, 3266 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3124 SdHoareTripleChecker+Valid, 9680 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-14 03:07:45,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3124 Valid, 9680 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-14 03:07:45,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32386 states. [2022-07-14 03:07:46,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32386 to 32382. [2022-07-14 03:07:46,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32382 states, 22284 states have (on average 1.2649883324358284) internal successors, (28189), 23030 states have internal predecessors, (28189), 8205 states have call successors, (8205), 1911 states have call predecessors, (8205), 1890 states have return successors, (8221), 7816 states have call predecessors, (8221), 8201 states have call successors, (8221) [2022-07-14 03:07:46,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32382 states to 32382 states and 44615 transitions. [2022-07-14 03:07:46,568 INFO L78 Accepts]: Start accepts. Automaton has 32382 states and 44615 transitions. Word has length 202 [2022-07-14 03:07:46,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:07:46,569 INFO L495 AbstractCegarLoop]: Abstraction has 32382 states and 44615 transitions. [2022-07-14 03:07:46,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2022-07-14 03:07:46,569 INFO L276 IsEmpty]: Start isEmpty. Operand 32382 states and 44615 transitions. [2022-07-14 03:07:46,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-07-14 03:07:46,577 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:07:46,577 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:07:46,714 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-14 03:07:46,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:07:46,800 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 03:07:46,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:07:46,800 INFO L85 PathProgramCache]: Analyzing trace with hash 1309684103, now seen corresponding path program 1 times [2022-07-14 03:07:46,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:07:46,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [753149705] [2022-07-14 03:07:46,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:07:46,806 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:07:46,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:07:46,807 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) [2022-07-14 03:07:46,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-14 03:07:54,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:07:54,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 5334 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 03:07:54,708 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:07:56,409 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2022-07-14 03:07:56,409 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 03:07:57,388 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2022-07-14 03:07:57,389 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:07:57,389 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [753149705] [2022-07-14 03:07:57,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [753149705] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-14 03:07:57,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 03:07:57,389 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-14 03:07:57,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164517574] [2022-07-14 03:07:57,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:07:57,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 03:07:57,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:07:57,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 03:07:57,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-14 03:07:57,390 INFO L87 Difference]: Start difference. First operand 32382 states and 44615 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-14 03:07:58,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:07:58,291 INFO L93 Difference]: Finished difference Result 32388 states and 44620 transitions. [2022-07-14 03:07:58,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 03:07:58,292 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 191 [2022-07-14 03:07:58,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:07:58,395 INFO L225 Difference]: With dead ends: 32388 [2022-07-14 03:07:58,395 INFO L226 Difference]: Without dead ends: 32386 [2022-07-14 03:07:58,415 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 375 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-14 03:07:58,415 INFO L413 NwaCegarLoop]: 3293 mSDtfsCounter, 3220 mSDsluCounter, 6567 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3226 SdHoareTripleChecker+Valid, 9860 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 03:07:58,415 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3226 Valid, 9860 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 03:07:58,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32386 states. [2022-07-14 03:07:59,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32386 to 32386. [2022-07-14 03:07:59,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32386 states, 22287 states have (on average 1.2649526629873917) internal successors, (28192), 23033 states have internal predecessors, (28192), 8205 states have call successors, (8205), 1912 states have call predecessors, (8205), 1891 states have return successors, (8221), 7816 states have call predecessors, (8221), 8201 states have call successors, (8221) [2022-07-14 03:07:59,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32386 states to 32386 states and 44618 transitions. [2022-07-14 03:07:59,579 INFO L78 Accepts]: Start accepts. Automaton has 32386 states and 44618 transitions. Word has length 191 [2022-07-14 03:07:59,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:07:59,580 INFO L495 AbstractCegarLoop]: Abstraction has 32386 states and 44618 transitions. [2022-07-14 03:07:59,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-14 03:07:59,580 INFO L276 IsEmpty]: Start isEmpty. Operand 32386 states and 44618 transitions. [2022-07-14 03:07:59,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-07-14 03:07:59,589 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:07:59,589 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 7, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:07:59,718 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-07-14 03:07:59,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:07:59,793 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 03:07:59,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:07:59,794 INFO L85 PathProgramCache]: Analyzing trace with hash -1832571201, now seen corresponding path program 1 times [2022-07-14 03:07:59,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:07:59,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [452457428] [2022-07-14 03:07:59,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:07:59,799 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:07:59,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:07:59,800 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 03:07:59,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-14 03:08:07,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:08:07,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 5341 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 03:08:07,842 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:08:09,598 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2022-07-14 03:08:09,598 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 03:08:10,535 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 319 trivial. 0 not checked. [2022-07-14 03:08:10,536 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:08:10,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [452457428] [2022-07-14 03:08:10,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [452457428] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-14 03:08:10,536 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 03:08:10,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-14 03:08:10,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66710528] [2022-07-14 03:08:10,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:08:10,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 03:08:10,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:08:10,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 03:08:10,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-14 03:08:10,537 INFO L87 Difference]: Start difference. First operand 32386 states and 44618 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-14 03:08:11,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:08:11,544 INFO L93 Difference]: Finished difference Result 32392 states and 44623 transitions. [2022-07-14 03:08:11,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 03:08:11,545 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 196 [2022-07-14 03:08:11,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:08:11,686 INFO L225 Difference]: With dead ends: 32392 [2022-07-14 03:08:11,687 INFO L226 Difference]: Without dead ends: 32390 [2022-07-14 03:08:11,709 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 393 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-14 03:08:11,710 INFO L413 NwaCegarLoop]: 3293 mSDtfsCounter, 3220 mSDsluCounter, 6567 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3225 SdHoareTripleChecker+Valid, 9860 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 03:08:11,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3225 Valid, 9860 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 03:08:11,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32390 states. [2022-07-14 03:08:12,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32390 to 32390. [2022-07-14 03:08:12,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32390 states, 22290 states have (on average 1.2649170031404218) internal successors, (28195), 23036 states have internal predecessors, (28195), 8205 states have call successors, (8205), 1913 states have call predecessors, (8205), 1892 states have return successors, (8221), 7816 states have call predecessors, (8221), 8201 states have call successors, (8221) [2022-07-14 03:08:12,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32390 states to 32390 states and 44621 transitions. [2022-07-14 03:08:12,840 INFO L78 Accepts]: Start accepts. Automaton has 32390 states and 44621 transitions. Word has length 196 [2022-07-14 03:08:12,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:08:12,841 INFO L495 AbstractCegarLoop]: Abstraction has 32390 states and 44621 transitions. [2022-07-14 03:08:12,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-14 03:08:12,841 INFO L276 IsEmpty]: Start isEmpty. Operand 32390 states and 44621 transitions. [2022-07-14 03:08:12,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2022-07-14 03:08:12,851 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:08:12,851 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 8, 7, 7, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:08:12,977 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-07-14 03:08:13,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:08:13,052 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 03:08:13,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:08:13,053 INFO L85 PathProgramCache]: Analyzing trace with hash 944950343, now seen corresponding path program 1 times [2022-07-14 03:08:13,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:08:13,058 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1249465237] [2022-07-14 03:08:13,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:08:13,059 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:08:13,059 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:08:13,060 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 03:08:13,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-07-14 03:08:20,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:08:21,003 INFO L263 TraceCheckSpWp]: Trace formula consists of 5348 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 03:08:21,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:08:22,961 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2022-07-14 03:08:22,962 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 03:08:23,858 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2022-07-14 03:08:23,858 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:08:23,859 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1249465237] [2022-07-14 03:08:23,859 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1249465237] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-14 03:08:23,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 03:08:23,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-14 03:08:23,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370112009] [2022-07-14 03:08:23,859 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:08:23,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 03:08:23,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:08:23,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 03:08:23,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-14 03:08:23,860 INFO L87 Difference]: Start difference. First operand 32390 states and 44621 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-14 03:08:25,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:08:25,010 INFO L93 Difference]: Finished difference Result 32396 states and 44626 transitions. [2022-07-14 03:08:25,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 03:08:25,011 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 201 [2022-07-14 03:08:25,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:08:25,215 INFO L225 Difference]: With dead ends: 32396 [2022-07-14 03:08:25,215 INFO L226 Difference]: Without dead ends: 32394 [2022-07-14 03:08:25,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 403 GetRequests, 395 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-14 03:08:25,228 INFO L413 NwaCegarLoop]: 3293 mSDtfsCounter, 3220 mSDsluCounter, 6567 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3224 SdHoareTripleChecker+Valid, 9860 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 03:08:25,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3224 Valid, 9860 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 03:08:25,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32394 states. [2022-07-14 03:08:26,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32394 to 32394. [2022-07-14 03:08:26,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32394 states, 22293 states have (on average 1.264881352891042) internal successors, (28198), 23039 states have internal predecessors, (28198), 8205 states have call successors, (8205), 1914 states have call predecessors, (8205), 1893 states have return successors, (8221), 7816 states have call predecessors, (8221), 8201 states have call successors, (8221) [2022-07-14 03:08:26,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32394 states to 32394 states and 44624 transitions. [2022-07-14 03:08:26,333 INFO L78 Accepts]: Start accepts. Automaton has 32394 states and 44624 transitions. Word has length 201 [2022-07-14 03:08:26,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:08:26,333 INFO L495 AbstractCegarLoop]: Abstraction has 32394 states and 44624 transitions. [2022-07-14 03:08:26,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-14 03:08:26,334 INFO L276 IsEmpty]: Start isEmpty. Operand 32394 states and 44624 transitions. [2022-07-14 03:08:26,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-07-14 03:08:26,343 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:08:26,343 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 8, 8, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:08:26,457 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Ended with exit code 0 [2022-07-14 03:08:26,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:08:26,544 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 03:08:26,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:08:26,544 INFO L85 PathProgramCache]: Analyzing trace with hash -739280001, now seen corresponding path program 1 times [2022-07-14 03:08:26,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:08:26,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1812308296] [2022-07-14 03:08:26,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:08:26,552 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:08:26,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:08:26,553 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 03:08:26,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-07-14 03:08:33,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 03:08:34,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 5355 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 03:08:34,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 03:08:36,053 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 371 trivial. 0 not checked. [2022-07-14 03:08:36,053 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 03:08:36,918 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 371 trivial. 0 not checked. [2022-07-14 03:08:36,918 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 03:08:36,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1812308296] [2022-07-14 03:08:36,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1812308296] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-14 03:08:36,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 03:08:36,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-14 03:08:36,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255182727] [2022-07-14 03:08:36,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 03:08:36,919 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 03:08:36,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 03:08:36,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 03:08:36,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-14 03:08:36,920 INFO L87 Difference]: Start difference. First operand 32394 states and 44624 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-14 03:08:38,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 03:08:38,028 INFO L93 Difference]: Finished difference Result 32400 states and 44629 transitions. [2022-07-14 03:08:38,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 03:08:38,028 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 206 [2022-07-14 03:08:38,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 03:08:38,150 INFO L225 Difference]: With dead ends: 32400 [2022-07-14 03:08:38,150 INFO L226 Difference]: Without dead ends: 32398 [2022-07-14 03:08:38,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 413 GetRequests, 405 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-14 03:08:38,173 INFO L413 NwaCegarLoop]: 3293 mSDtfsCounter, 3220 mSDsluCounter, 6567 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3223 SdHoareTripleChecker+Valid, 9860 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-14 03:08:38,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3223 Valid, 9860 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-14 03:08:38,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32398 states. [2022-07-14 03:08:39,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32398 to 32398. [2022-07-14 03:08:39,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32398 states, 22296 states have (on average 1.2648457122353784) internal successors, (28201), 23042 states have internal predecessors, (28201), 8205 states have call successors, (8205), 1915 states have call predecessors, (8205), 1894 states have return successors, (8221), 7816 states have call predecessors, (8221), 8201 states have call successors, (8221) [2022-07-14 03:08:39,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32398 states to 32398 states and 44627 transitions. [2022-07-14 03:08:39,529 INFO L78 Accepts]: Start accepts. Automaton has 32398 states and 44627 transitions. Word has length 206 [2022-07-14 03:08:39,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 03:08:39,530 INFO L495 AbstractCegarLoop]: Abstraction has 32398 states and 44627 transitions. [2022-07-14 03:08:39,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-14 03:08:39,530 INFO L276 IsEmpty]: Start isEmpty. Operand 32398 states and 44627 transitions. [2022-07-14 03:08:39,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-07-14 03:08:39,539 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 03:08:39,539 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 9, 9, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 03:08:39,673 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Ended with exit code 0 [2022-07-14 03:08:39,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 03:08:39,740 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 03:08:39,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 03:08:39,740 INFO L85 PathProgramCache]: Analyzing trace with hash 429172487, now seen corresponding path program 1 times [2022-07-14 03:08:39,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 03:08:39,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [57421125] [2022-07-14 03:08:39,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 03:08:39,745 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 03:08:39,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 03:08:39,747 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 03:08:39,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process