./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-mutex_drivers-net-wireless-prism54-prism54.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_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 2bf48d35d7133b2e8327bc0634357c212875c286543fcf18078150bbf7eff020 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 02:23:15,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 02:23:15,713 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 02:23:15,737 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 02:23:15,738 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 02:23:15,739 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 02:23:15,742 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 02:23:15,747 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 02:23:15,748 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 02:23:15,752 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 02:23:15,753 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 02:23:15,755 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 02:23:15,755 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 02:23:15,756 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 02:23:15,758 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 02:23:15,759 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 02:23:15,760 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 02:23:15,761 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 02:23:15,764 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 02:23:15,765 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 02:23:15,766 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 02:23:15,767 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 02:23:15,768 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 02:23:15,769 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 02:23:15,770 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 02:23:15,774 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 02:23:15,774 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 02:23:15,775 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 02:23:15,775 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 02:23:15,776 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 02:23:15,777 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 02:23:15,777 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 02:23:15,778 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 02:23:15,778 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 02:23:15,779 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 02:23:15,779 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 02:23:15,780 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 02:23:15,780 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 02:23:15,780 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 02:23:15,780 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 02:23:15,781 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 02:23:15,782 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 02:23:15,784 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 02:23:15,808 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 02:23:15,808 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 02:23:15,808 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 02:23:15,809 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 02:23:15,809 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 02:23:15,809 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 02:23:15,810 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 02:23:15,810 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 02:23:15,810 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 02:23:15,811 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 02:23:15,811 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 02:23:15,811 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 02:23:15,811 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 02:23:15,812 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 02:23:15,812 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 02:23:15,812 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 02:23:15,812 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 02:23:15,812 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 02:23:15,812 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 02:23:15,812 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 02:23:15,813 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 02:23:15,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:23:15,813 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 02:23:15,813 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 02:23:15,813 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 02:23:15,814 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 02:23:15,814 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 02:23:15,814 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 02:23:15,814 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 02:23:15,814 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 02:23:15,815 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bf48d35d7133b2e8327bc0634357c212875c286543fcf18078150bbf7eff020 [2022-07-23 02:23:16,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 02:23:16,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 02:23:16,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 02:23:16,045 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 02:23:16,045 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 02:23:16,046 INFO L432 ainManager$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-mutex_drivers-net-wireless-prism54-prism54.cil.i [2022-07-23 02:23:16,101 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9bec913f/ea046d9a1375405ca8500a47848c6c73/FLAGc8e0cdd2a [2022-07-23 02:23:16,785 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 02:23:16,786 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i [2022-07-23 02:23:16,849 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9bec913f/ea046d9a1375405ca8500a47848c6c73/FLAGc8e0cdd2a [2022-07-23 02:23:17,343 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e9bec913f/ea046d9a1375405ca8500a47848c6c73 [2022-07-23 02:23:17,345 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 02:23:17,346 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 02:23:17,347 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 02:23:17,347 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 02:23:17,349 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 02:23:17,350 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:23:17" (1/1) ... [2022-07-23 02:23:17,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aaffc2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:23:17, skipping insertion in model container [2022-07-23 02:23:17,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:23:17" (1/1) ... [2022-07-23 02:23:17,355 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 02:23:17,471 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 02:23:20,354 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-mutex_drivers-net-wireless-prism54-prism54.cil.i[469707,469720] [2022-07-23 02:23:20,357 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-mutex_drivers-net-wireless-prism54-prism54.cil.i[469873,469886] [2022-07-23 02:23:20,357 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-mutex_drivers-net-wireless-prism54-prism54.cil.i[470037,470050] [2022-07-23 02:23:20,358 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-mutex_drivers-net-wireless-prism54-prism54.cil.i[470202,470215] [2022-07-23 02:23:20,387 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:23:20,487 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 02:23:20,640 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) [2022-07-23 02:23:20,648 INFO L158 Benchmark]: Toolchain (without parser) took 3301.76ms. Allocated memory was 119.5MB in the beginning and 249.6MB in the end (delta: 130.0MB). Free memory was 70.0MB in the beginning and 170.6MB in the end (delta: -100.5MB). Peak memory consumption was 83.0MB. Max. memory is 16.1GB. [2022-07-23 02:23:20,649 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 119.5MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 02:23:20,650 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3300.02ms. Allocated memory was 119.5MB in the beginning and 249.6MB in the end (delta: 130.0MB). Free memory was 69.7MB in the beginning and 170.6MB in the end (delta: -100.9MB). Peak memory consumption was 83.0MB. Max. memory is 16.1GB. [2022-07-23 02:23:20,651 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 119.5MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3300.02ms. Allocated memory was 119.5MB in the beginning and 249.6MB in the end (delta: 130.0MB). Free memory was 69.7MB in the beginning and 170.6MB in the end (delta: -100.9MB). Peak memory consumption was 83.0MB. 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-mutex_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 2bf48d35d7133b2e8327bc0634357c212875c286543fcf18078150bbf7eff020 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 02:23:22,199 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 02:23:22,201 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 02:23:22,230 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 02:23:22,231 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 02:23:22,232 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 02:23:22,235 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 02:23:22,237 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 02:23:22,239 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 02:23:22,242 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 02:23:22,243 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 02:23:22,245 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 02:23:22,245 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 02:23:22,246 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 02:23:22,248 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 02:23:22,252 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 02:23:22,252 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 02:23:22,253 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 02:23:22,255 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 02:23:22,259 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 02:23:22,260 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 02:23:22,260 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 02:23:22,262 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 02:23:22,263 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 02:23:22,264 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 02:23:22,269 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 02:23:22,269 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 02:23:22,270 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 02:23:22,270 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 02:23:22,271 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 02:23:22,271 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 02:23:22,272 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 02:23:22,273 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 02:23:22,273 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 02:23:22,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 02:23:22,275 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 02:23:22,275 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 02:23:22,276 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 02:23:22,276 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 02:23:22,276 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 02:23:22,277 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 02:23:22,278 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 02:23:22,282 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-23 02:23:22,330 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 02:23:22,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 02:23:22,331 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 02:23:22,332 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 02:23:22,332 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 02:23:22,332 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 02:23:22,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 02:23:22,333 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 02:23:22,333 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 02:23:22,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 02:23:22,334 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 02:23:22,335 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 02:23:22,335 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 02:23:22,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 02:23:22,335 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 02:23:22,335 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-23 02:23:22,335 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-23 02:23:22,336 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 02:23:22,336 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 02:23:22,336 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 02:23:22,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 02:23:22,336 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 02:23:22,337 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 02:23:22,337 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:23:22,337 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 02:23:22,337 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 02:23:22,337 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 02:23:22,337 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-23 02:23:22,338 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-23 02:23:22,338 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 02:23:22,338 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 02:23:22,338 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 02:23:22,338 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-23 02:23:22,338 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bf48d35d7133b2e8327bc0634357c212875c286543fcf18078150bbf7eff020 [2022-07-23 02:23:22,608 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 02:23:22,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 02:23:22,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 02:23:22,629 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 02:23:22,629 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 02:23:22,630 INFO L432 ainManager$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-mutex_drivers-net-wireless-prism54-prism54.cil.i [2022-07-23 02:23:22,685 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f3aece1a/8b92b57783b246d496015f9abccf3cf4/FLAG70854bd4f [2022-07-23 02:23:23,380 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 02:23:23,381 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i [2022-07-23 02:23:23,424 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f3aece1a/8b92b57783b246d496015f9abccf3cf4/FLAG70854bd4f [2022-07-23 02:23:23,482 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f3aece1a/8b92b57783b246d496015f9abccf3cf4 [2022-07-23 02:23:23,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 02:23:23,485 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 02:23:23,487 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 02:23:23,488 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 02:23:23,490 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 02:23:23,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:23:23" (1/1) ... [2022-07-23 02:23:23,491 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b4688e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:23:23, skipping insertion in model container [2022-07-23 02:23:23,492 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:23:23" (1/1) ... [2022-07-23 02:23:23,496 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 02:23:23,626 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 02:23:26,926 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[469707,469720] [2022-07-23 02:23:26,935 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-mutex_drivers-net-wireless-prism54-prism54.cil.i[469873,469886] [2022-07-23 02:23:26,936 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-mutex_drivers-net-wireless-prism54-prism54.cil.i[470037,470050] [2022-07-23 02:23:26,936 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-mutex_drivers-net-wireless-prism54-prism54.cil.i[470202,470215] [2022-07-23 02:23:26,959 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:23:27,054 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-23 02:23:27,131 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 02:23:27,496 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-mutex_drivers-net-wireless-prism54-prism54.cil.i[469707,469720] [2022-07-23 02:23:27,497 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-mutex_drivers-net-wireless-prism54-prism54.cil.i[469873,469886] [2022-07-23 02:23:27,497 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-mutex_drivers-net-wireless-prism54-prism54.cil.i[470037,470050] [2022-07-23 02:23:27,497 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-mutex_drivers-net-wireless-prism54-prism54.cil.i[470202,470215] [2022-07-23 02:23:27,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:23:27,527 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 02:23:27,941 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-mutex_drivers-net-wireless-prism54-prism54.cil.i[469707,469720] [2022-07-23 02:23:27,943 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-mutex_drivers-net-wireless-prism54-prism54.cil.i[469873,469886] [2022-07-23 02:23:27,944 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-mutex_drivers-net-wireless-prism54-prism54.cil.i[470037,470050] [2022-07-23 02:23:27,944 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-mutex_drivers-net-wireless-prism54-prism54.cil.i[470202,470215] [2022-07-23 02:23:27,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:23:28,148 INFO L208 MainTranslator]: Completed translation [2022-07-23 02:23:28,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:23:28 WrapperNode [2022-07-23 02:23:28,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 02:23:28,150 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 02:23:28,150 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 02:23:28,151 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 02:23:28,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:23:28" (1/1) ... [2022-07-23 02:23:28,248 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:23:28" (1/1) ... [2022-07-23 02:23:28,464 INFO L137 Inliner]: procedures = 553, calls = 6232, calls flagged for inlining = 274, calls inlined = 248, statements flattened = 8679 [2022-07-23 02:23:28,465 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 02:23:28,466 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 02:23:28,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 02:23:28,466 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 02:23:28,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:23:28" (1/1) ... [2022-07-23 02:23:28,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:23:28" (1/1) ... [2022-07-23 02:23:28,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:23:28" (1/1) ... [2022-07-23 02:23:28,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:23:28" (1/1) ... [2022-07-23 02:23:28,730 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:23:28" (1/1) ... [2022-07-23 02:23:28,754 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:23:28" (1/1) ... [2022-07-23 02:23:28,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:23:28" (1/1) ... [2022-07-23 02:23:28,832 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 02:23:28,833 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 02:23:28,834 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 02:23:28,834 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 02:23:28,834 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:23:28" (1/1) ... [2022-07-23 02:23:28,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:23:28,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 02:23:28,871 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-23 02:23:28,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-23 02:23:28,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_lock_of_islpci_acl [2022-07-23 02:23:28,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_lock_of_islpci_acl [2022-07-23 02:23:28,902 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_le_to_cpu [2022-07-23 02:23:28,903 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_le_to_cpu [2022-07-23 02:23:28,903 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_eth_tx_timeout [2022-07-23 02:23:28,903 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_eth_tx_timeout [2022-07-23 02:23:28,903 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-23 02:23:28,903 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-23 02:23:28,903 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-23 02:23:28,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 02:23:28,904 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 02:23:28,904 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_trigger [2022-07-23 02:23:28,904 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_trigger [2022-07-23 02:23:28,904 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-23 02:23:28,904 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-23 02:23:28,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 02:23:28,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 02:23:28,905 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_mib_mode_helper [2022-07-23 02:23:28,905 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_mib_mode_helper [2022-07-23 02:23:28,906 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-23 02:23:28,906 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-23 02:23:28,907 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-23 02:23:28,907 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-23 02:23:28,907 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-23 02:23:28,907 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-23 02:23:28,907 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set_request [2022-07-23 02:23:28,907 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set_request [2022-07-23 02:23:28,907 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_cpu_to_le [2022-07-23 02:23:28,908 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_cpu_to_le [2022-07-23 02:23:28,908 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-23 02:23:28,908 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_get_state [2022-07-23 02:23:28,908 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_get_state [2022-07-23 02:23:28,908 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-23 02:23:28,908 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-23 02:23:28,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 02:23:28,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 02:23:28,909 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-23 02:23:28,909 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-23 02:23:28,909 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-23 02:23:28,909 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-23 02:23:28,910 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_release [2022-07-23 02:23:28,910 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_release [2022-07-23 02:23:28,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 02:23:28,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 02:23:28,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-23 02:23:28,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-23 02:23:28,912 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-23 02:23:28,912 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-23 02:23:28,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2022-07-23 02:23:28,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2022-07-23 02:23:28,912 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-23 02:23:28,912 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-23 02:23:28,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 02:23:28,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_wpa_lock_of_NOT_ARG_SIGN [2022-07-23 02:23:28,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_wpa_lock_of_NOT_ARG_SIGN [2022-07-23 02:23:28,913 INFO L130 BoogieDeclarations]: Found specification of procedure send_simple_event [2022-07-23 02:23:28,913 INFO L138 BoogieDeclarations]: Found implementation of procedure send_simple_event [2022-07-23 02:23:28,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-23 02:23:28,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-23 02:23:28,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-23 02:23:28,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-23 02:23:28,914 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-23 02:23:28,914 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-23 02:23:28,914 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-23 02:23:28,914 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-23 02:23:28,914 INFO L130 BoogieDeclarations]: Found specification of procedure send_formatted_event [2022-07-23 02:23:28,915 INFO L138 BoogieDeclarations]: Found implementation of procedure send_formatted_event [2022-07-23 02:23:28,915 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set [2022-07-23 02:23:28,915 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set [2022-07-23 02:23:28,915 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 02:23:28,915 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 02:23:28,915 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-23 02:23:28,915 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-23 02:23:28,916 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_reset [2022-07-23 02:23:28,916 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_reset [2022-07-23 02:23:28,916 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-23 02:23:28,916 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-23 02:23:28,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-23 02:23:28,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-23 02:23:28,917 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2022-07-23 02:23:28,917 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2022-07-23 02:23:28,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 02:23:28,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 02:23:28,918 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-23 02:23:28,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-23 02:23:28,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 02:23:28,918 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 02:23:28,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-23 02:23:28,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-23 02:23:28,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-23 02:23:28,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-23 02:23:28,919 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_open [2022-07-23 02:23:28,919 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_open [2022-07-23 02:23:28,919 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_resume [2022-07-23 02:23:28,919 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_resume [2022-07-23 02:23:28,919 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-23 02:23:28,919 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-23 02:23:28,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 02:23:28,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-23 02:23:28,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-23 02:23:28,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-23 02:23:28,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-23 02:23:28,921 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2022-07-23 02:23:28,923 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2022-07-23 02:23:28,923 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-23 02:23:28,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-23 02:23:28,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 02:23:28,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 02:23:28,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 02:23:28,924 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 02:23:28,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 02:23:28,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 02:23:28,928 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-23 02:23:28,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-23 02:23:28,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-23 02:23:28,928 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 02:23:28,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 02:23:28,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-23 02:23:28,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_stats_lock_of_NOT_ARG_SIGN [2022-07-23 02:23:28,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_stats_lock_of_NOT_ARG_SIGN [2022-07-23 02:23:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-23 02:23:28,929 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-23 02:23:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-23 02:23:28,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-23 02:23:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 02:23:28,929 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 02:23:28,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_wpa_lock_of_NOT_ARG_SIGN [2022-07-23 02:23:28,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_wpa_lock_of_NOT_ARG_SIGN [2022-07-23 02:23:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-23 02:23:28,930 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-23 02:23:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-23 02:23:28,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-23 02:23:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-07-23 02:23:28,930 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-07-23 02:23:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-23 02:23:28,930 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-23 02:23:28,930 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-23 02:23:28,931 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-23 02:23:28,931 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-23 02:23:28,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_prism54_module_exit_12_2 [2022-07-23 02:23:28,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_prism54_module_exit_12_2 [2022-07-23 02:23:28,931 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2022-07-23 02:23:28,931 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2022-07-23 02:23:28,931 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-23 02:23:28,932 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-23 02:23:28,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 02:23:28,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 02:23:28,932 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2022-07-23 02:23:28,932 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2022-07-23 02:23:28,932 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-23 02:23:28,933 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-23 02:23:28,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-23 02:23:28,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-23 02:23:28,933 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-23 02:23:28,933 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_clear_mac [2022-07-23 02:23:28,933 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_clear_mac [2022-07-23 02:23:28,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-23 02:23:28,933 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_wpa_bss_ie_get [2022-07-23 02:23:28,933 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_wpa_bss_ie_get [2022-07-23 02:23:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-23 02:23:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 02:23:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-23 02:23:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 02:23:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 02:23:28,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 02:23:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-23 02:23:28,934 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-23 02:23:28,934 INFO L130 BoogieDeclarations]: Found specification of procedure handle_request [2022-07-23 02:23:28,935 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_request [2022-07-23 02:23:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_bring_down [2022-07-23 02:23:28,935 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_bring_down [2022-07-23 02:23:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_stats_lock_of_NOT_ARG_SIGN [2022-07-23 02:23:28,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_stats_lock_of_NOT_ARG_SIGN [2022-07-23 02:23:28,935 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-23 02:23:28,936 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-23 02:23:28,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 02:23:28,937 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 02:23:28,937 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-23 02:23:28,937 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-23 02:23:28,937 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-23 02:23:28,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-23 02:23:28,937 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-23 02:23:28,937 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-23 02:23:28,937 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-23 02:23:28,937 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-23 02:23:28,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 02:23:28,938 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-23 02:23:28,938 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-23 02:23:28,938 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_set_state [2022-07-23 02:23:28,938 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_set_state [2022-07-23 02:23:28,938 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2022-07-23 02:23:28,938 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2022-07-23 02:23:28,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 02:23:28,938 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set_varlen [2022-07-23 02:23:28,939 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set_varlen [2022-07-23 02:23:28,939 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-07-23 02:23:28,939 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-07-23 02:23:28,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-23 02:23:28,939 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2022-07-23 02:23:28,939 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2022-07-23 02:23:28,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-23 02:23:28,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-23 02:23:28,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-23 02:23:28,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 02:23:28,940 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_close [2022-07-23 02:23:28,940 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_close [2022-07-23 02:23:28,940 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-07-23 02:23:28,940 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-07-23 02:23:28,940 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_get_request [2022-07-23 02:23:28,940 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_get_request [2022-07-23 02:23:28,940 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-23 02:23:28,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-23 02:23:28,940 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-23 02:23:28,941 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-23 02:23:28,941 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-23 02:23:28,941 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-23 02:23:28,941 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 02:23:28,941 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 02:23:28,941 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_remove [2022-07-23 02:23:28,941 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_remove [2022-07-23 02:23:28,941 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_w32_flush [2022-07-23 02:23:28,941 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_w32_flush [2022-07-23 02:23:28,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 02:23:28,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 02:23:28,942 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-23 02:23:28,942 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-23 02:23:28,942 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-07-23 02:23:28,942 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-07-23 02:23:28,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-23 02:23:28,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-23 02:23:28,944 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-07-23 02:23:28,944 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-07-23 02:23:28,945 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit_list [2022-07-23 02:23:28,945 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit_list [2022-07-23 02:23:28,945 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-23 02:23:28,945 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-23 02:23:28,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-23 02:23:28,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-23 02:23:28,945 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-23 02:23:28,945 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-23 02:23:28,945 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 02:23:28,946 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 02:23:28,946 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgmt_rx_fill [2022-07-23 02:23:28,946 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgmt_rx_fill [2022-07-23 02:23:28,946 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_transaction [2022-07-23 02:23:28,946 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_transaction [2022-07-23 02:23:28,946 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 02:23:28,946 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 02:23:28,946 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-23 02:23:28,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-23 02:23:28,947 INFO L130 BoogieDeclarations]: Found specification of procedure channel_of_freq [2022-07-23 02:23:28,947 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_of_freq [2022-07-23 02:23:28,947 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-07-23 02:23:28,947 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-07-23 02:23:28,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-23 02:23:28,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-23 02:23:28,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-23 02:23:28,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-23 02:23:28,947 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-07-23 02:23:28,947 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-07-23 02:23:28,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 02:23:28,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 02:23:28,948 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_free_memory [2022-07-23 02:23:28,948 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_free_memory [2022-07-23 02:23:28,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_islpci_acl [2022-07-23 02:23:28,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_islpci_acl [2022-07-23 02:23:28,948 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit [2022-07-23 02:23:28,948 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit [2022-07-23 02:23:28,948 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-23 02:23:28,949 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-23 02:23:28,949 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32s [2022-07-23 02:23:28,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32s [2022-07-23 02:23:28,949 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-07-23 02:23:28,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-07-23 02:23:28,949 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-23 02:23:28,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-23 02:23:28,949 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 02:23:28,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 02:23:28,949 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-23 02:23:28,950 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-23 02:23:28,950 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-07-23 02:23:28,950 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-07-23 02:23:28,950 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_in_queue [2022-07-23 02:23:28,950 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_in_queue [2022-07-23 02:23:28,950 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_islpci_acl [2022-07-23 02:23:28,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_islpci_acl [2022-07-23 02:23:28,950 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-23 02:23:28,950 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-23 02:23:28,950 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-23 02:23:28,951 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-23 02:23:28,951 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 02:23:28,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 02:23:28,951 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-23 02:23:28,951 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-23 02:23:28,951 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_disable_interrupts [2022-07-23 02:23:28,951 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_disable_interrupts [2022-07-23 02:23:29,866 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 02:23:29,868 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 02:23:33,193 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 02:24:22,763 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-23 02:24:26,618 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 02:24:26,636 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 02:24:26,636 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-07-23 02:24:26,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:24:26 BoogieIcfgContainer [2022-07-23 02:24:26,639 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 02:24:26,640 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 02:24:26,640 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 02:24:26,643 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 02:24:26,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 02:23:23" (1/3) ... [2022-07-23 02:24:26,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8f722c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 02:24:26, skipping insertion in model container [2022-07-23 02:24:26,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:23:28" (2/3) ... [2022-07-23 02:24:26,644 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8f722c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 02:24:26, skipping insertion in model container [2022-07-23 02:24:26,644 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:24:26" (3/3) ... [2022-07-23 02:24:26,645 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i [2022-07-23 02:24:26,655 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 02:24:26,655 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-07-23 02:24:26,731 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 02:24:26,738 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@105bd78d, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@519a913b [2022-07-23 02:24:26,739 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-07-23 02:24:26,748 INFO L276 IsEmpty]: Start isEmpty. Operand has 2440 states, 1688 states have (on average 1.2938388625592416) internal successors, (2184), 1738 states have internal predecessors, (2184), 618 states have call successors, (618), 131 states have call predecessors, (618), 130 states have return successors, (612), 593 states have call predecessors, (612), 612 states have call successors, (612) [2022-07-23 02:24:26,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-07-23 02:24:26,769 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:24:26,769 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] [2022-07-23 02:24:26,770 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-23 02:24:26,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:24:26,774 INFO L85 PathProgramCache]: Analyzing trace with hash 38973541, now seen corresponding path program 1 times [2022-07-23 02:24:26,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:24:26,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1226674256] [2022-07-23 02:24:26,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:24:26,793 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:24:26,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:24:26,795 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:24:26,799 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-23 02:24:34,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:24:34,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 5159 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:24:34,692 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:24:34,854 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-07-23 02:24:34,854 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:24:34,855 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:24:34,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1226674256] [2022-07-23 02:24:34,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1226674256] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:24:34,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:24:34,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:24:34,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167510123] [2022-07-23 02:24:34,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:24:34,860 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:24:34,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:24:34,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:24:34,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:24:34,885 INFO L87 Difference]: Start difference. First operand has 2440 states, 1688 states have (on average 1.2938388625592416) internal successors, (2184), 1738 states have internal predecessors, (2184), 618 states have call successors, (618), 131 states have call predecessors, (618), 130 states have return successors, (612), 593 states have call predecessors, (612), 612 states have call successors, (612) 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) [2022-07-23 02:24:35,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:24:35,767 INFO L93 Difference]: Finished difference Result 7165 states and 10349 transitions. [2022-07-23 02:24:35,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:24:35,770 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 [2022-07-23 02:24:35,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:24:35,814 INFO L225 Difference]: With dead ends: 7165 [2022-07-23 02:24:35,815 INFO L226 Difference]: Without dead ends: 4726 [2022-07-23 02:24:35,840 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 [2022-07-23 02:24:35,845 INFO L413 NwaCegarLoop]: 3945 mSDtfsCounter, 3241 mSDsluCounter, 3268 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3241 SdHoareTripleChecker+Valid, 7213 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 [2022-07-23 02:24:35,846 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3241 Valid, 7213 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-23 02:24:35,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4726 states. [2022-07-23 02:24:36,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4726 to 4720. [2022-07-23 02:24:36,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4720 states, 3269 states have (on average 1.2633832976445396) internal successors, (4130), 3367 states have internal predecessors, (4130), 1191 states have call successors, (1191), 257 states have call predecessors, (1191), 256 states have return successors, (1187), 1149 states have call predecessors, (1187), 1187 states have call successors, (1187) [2022-07-23 02:24:36,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4720 states to 4720 states and 6508 transitions. [2022-07-23 02:24:36,186 INFO L78 Accepts]: Start accepts. Automaton has 4720 states and 6508 transitions. Word has length 94 [2022-07-23 02:24:36,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:24:36,188 INFO L495 AbstractCegarLoop]: Abstraction has 4720 states and 6508 transitions. [2022-07-23 02:24:36,188 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) [2022-07-23 02:24:36,188 INFO L276 IsEmpty]: Start isEmpty. Operand 4720 states and 6508 transitions. [2022-07-23 02:24:36,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-07-23 02:24:36,193 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:24:36,194 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] [2022-07-23 02:24:36,343 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-23 02:24:36,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:24:36,416 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-23 02:24:36,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:24:36,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1061101067, now seen corresponding path program 1 times [2022-07-23 02:24:36,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:24:36,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [265618791] [2022-07-23 02:24:36,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:24:36,425 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:24:36,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:24:36,426 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:24:36,428 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-23 02:24:43,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:24:44,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 5185 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:24:44,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:24:44,181 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-07-23 02:24:44,181 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:24:44,182 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:24:44,182 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [265618791] [2022-07-23 02:24:44,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [265618791] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:24:44,182 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:24:44,182 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:24:44,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649665640] [2022-07-23 02:24:44,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:24:44,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:24:44,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:24:44,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:24:44,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:24:44,184 INFO L87 Difference]: Start difference. First operand 4720 states and 6508 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-07-23 02:24:44,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:24:44,998 INFO L93 Difference]: Finished difference Result 11758 states and 16204 transitions. [2022-07-23 02:24:44,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:24:44,998 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 95 [2022-07-23 02:24:45,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:24:45,049 INFO L225 Difference]: With dead ends: 11758 [2022-07-23 02:24:45,049 INFO L226 Difference]: Without dead ends: 7055 [2022-07-23 02:24:45,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:24:45,077 INFO L413 NwaCegarLoop]: 3944 mSDtfsCounter, 3235 mSDsluCounter, 3312 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3235 SdHoareTripleChecker+Valid, 7256 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-23 02:24:45,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3235 Valid, 7256 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-23 02:24:45,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7055 states. [2022-07-23 02:24:45,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7055 to 7033. [2022-07-23 02:24:45,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7033 states, 4872 states have (on average 1.2610837438423645) internal successors, (6144), 5021 states have internal predecessors, (6144), 1772 states have call successors, (1772), 386 states have call predecessors, (1772), 385 states have return successors, (1768), 1706 states have call predecessors, (1768), 1768 states have call successors, (1768) [2022-07-23 02:24:45,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7033 states to 7033 states and 9684 transitions. [2022-07-23 02:24:45,391 INFO L78 Accepts]: Start accepts. Automaton has 7033 states and 9684 transitions. Word has length 95 [2022-07-23 02:24:45,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:24:45,400 INFO L495 AbstractCegarLoop]: Abstraction has 7033 states and 9684 transitions. [2022-07-23 02:24:45,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-07-23 02:24:45,400 INFO L276 IsEmpty]: Start isEmpty. Operand 7033 states and 9684 transitions. [2022-07-23 02:24:45,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-07-23 02:24:45,402 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:24:45,402 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] [2022-07-23 02:24:45,534 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-23 02:24:45,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:24:45,615 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-23 02:24:45,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:24:45,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1782373060, now seen corresponding path program 1 times [2022-07-23 02:24:45,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:24:45,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [972323691] [2022-07-23 02:24:45,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:24:45,622 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:24:45,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:24:45,628 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:24:45,630 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-23 02:24:53,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:24:53,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 5233 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:24:53,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:24:53,915 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-07-23 02:24:53,916 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:24:53,916 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:24:53,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [972323691] [2022-07-23 02:24:53,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [972323691] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:24:53,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:24:53,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:24:53,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307371418] [2022-07-23 02:24:53,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:24:53,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:24:53,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:24:53,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:24:53,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:24:53,970 INFO L87 Difference]: Start difference. First operand 7033 states and 9684 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-23 02:24:55,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:24:55,039 INFO L93 Difference]: Finished difference Result 17410 states and 23926 transitions. [2022-07-23 02:24:55,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:24:55,039 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 97 [2022-07-23 02:24:55,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:24:55,105 INFO L225 Difference]: With dead ends: 17410 [2022-07-23 02:24:55,105 INFO L226 Difference]: Without dead ends: 10394 [2022-07-23 02:24:55,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:24:55,148 INFO L413 NwaCegarLoop]: 3951 mSDtfsCounter, 2632 mSDsluCounter, 3268 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2632 SdHoareTripleChecker+Valid, 7219 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-23 02:24:55,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2632 Valid, 7219 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-23 02:24:55,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10394 states. [2022-07-23 02:24:55,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10394 to 10370. [2022-07-23 02:24:55,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10370 states, 7221 states have (on average 1.2617366015787288) internal successors, (9111), 7457 states have internal predecessors, (9111), 2542 states have call successors, (2542), 606 states have call predecessors, (2542), 603 states have return successors, (2538), 2432 states have call predecessors, (2538), 2538 states have call successors, (2538) [2022-07-23 02:24:55,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10370 states to 10370 states and 14191 transitions. [2022-07-23 02:24:55,765 INFO L78 Accepts]: Start accepts. Automaton has 10370 states and 14191 transitions. Word has length 97 [2022-07-23 02:24:55,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:24:55,767 INFO L495 AbstractCegarLoop]: Abstraction has 10370 states and 14191 transitions. [2022-07-23 02:24:55,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-23 02:24:55,772 INFO L276 IsEmpty]: Start isEmpty. Operand 10370 states and 14191 transitions. [2022-07-23 02:24:55,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-07-23 02:24:55,777 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:24:55,777 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, 1, 1, 1, 1] [2022-07-23 02:24:55,914 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-23 02:24:56,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:24:56,004 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-23 02:24:56,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:24:56,004 INFO L85 PathProgramCache]: Analyzing trace with hash -218919595, now seen corresponding path program 1 times [2022-07-23 02:24:56,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:24:56,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [67429744] [2022-07-23 02:24:56,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:24:56,010 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:24:56,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:24:56,017 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:24:56,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-23 02:25:03,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:25:04,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 5236 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:25:04,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:25:04,504 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-07-23 02:25:04,505 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:25:04,505 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:25:04,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [67429744] [2022-07-23 02:25:04,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [67429744] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:25:04,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:25:04,505 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:25:04,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436534802] [2022-07-23 02:25:04,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:25:04,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:25:04,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:25:04,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:25:04,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:25:04,509 INFO L87 Difference]: Start difference. First operand 10370 states and 14191 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-23 02:25:05,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:25:05,576 INFO L93 Difference]: Finished difference Result 25406 states and 34665 transitions. [2022-07-23 02:25:05,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:25:05,577 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 103 [2022-07-23 02:25:05,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:25:05,665 INFO L225 Difference]: With dead ends: 25406 [2022-07-23 02:25:05,666 INFO L226 Difference]: Without dead ends: 15053 [2022-07-23 02:25:05,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:25:05,716 INFO L413 NwaCegarLoop]: 3906 mSDtfsCounter, 3099 mSDsluCounter, 3245 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3099 SdHoareTripleChecker+Valid, 7151 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-23 02:25:05,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3099 Valid, 7151 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-23 02:25:05,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15053 states. [2022-07-23 02:25:06,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15053 to 15015. [2022-07-23 02:25:06,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15015 states, 10495 states have (on average 1.2567889471176752) internal successors, (13190), 10827 states have internal predecessors, (13190), 3621 states have call successors, (3621), 904 states have call predecessors, (3621), 895 states have return successors, (3621), 3457 states have call predecessors, (3621), 3617 states have call successors, (3621) [2022-07-23 02:25:06,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15015 states to 15015 states and 20432 transitions. [2022-07-23 02:25:06,312 INFO L78 Accepts]: Start accepts. Automaton has 15015 states and 20432 transitions. Word has length 103 [2022-07-23 02:25:06,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:25:06,313 INFO L495 AbstractCegarLoop]: Abstraction has 15015 states and 20432 transitions. [2022-07-23 02:25:06,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-23 02:25:06,313 INFO L276 IsEmpty]: Start isEmpty. Operand 15015 states and 20432 transitions. [2022-07-23 02:25:06,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-07-23 02:25:06,317 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:25:06,317 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] [2022-07-23 02:25:06,457 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-23 02:25:06,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:25:06,536 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-23 02:25:06,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:25:06,536 INFO L85 PathProgramCache]: Analyzing trace with hash 346365365, now seen corresponding path program 1 times [2022-07-23 02:25:06,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:25:06,545 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [597597472] [2022-07-23 02:25:06,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:25:06,545 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:25:06,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:25:06,552 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:25:06,554 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-23 02:25:14,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:25:14,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 5300 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:25:14,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:25:14,796 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-07-23 02:25:14,796 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:25:14,797 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:25:14,797 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [597597472] [2022-07-23 02:25:14,797 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [597597472] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:25:14,797 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:25:14,797 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:25:14,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038876575] [2022-07-23 02:25:14,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:25:14,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:25:14,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:25:14,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:25:14,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:25:14,799 INFO L87 Difference]: Start difference. First operand 15015 states and 20432 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-23 02:25:16,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:25:16,051 INFO L93 Difference]: Finished difference Result 43145 states and 58809 transitions. [2022-07-23 02:25:16,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:25:16,072 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 166 [2022-07-23 02:25:16,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:25:16,287 INFO L225 Difference]: With dead ends: 43145 [2022-07-23 02:25:16,287 INFO L226 Difference]: Without dead ends: 28746 [2022-07-23 02:25:16,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:25:16,354 INFO L413 NwaCegarLoop]: 5112 mSDtfsCounter, 3170 mSDsluCounter, 3306 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3170 SdHoareTripleChecker+Valid, 8418 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-23 02:25:16,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3170 Valid, 8418 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-23 02:25:16,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28746 states. [2022-07-23 02:25:17,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28746 to 28740. [2022-07-23 02:25:17,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28740 states, 20056 states have (on average 1.2568308735540488) internal successors, (25207), 20672 states have internal predecessors, (25207), 6960 states have call successors, (6960), 1733 states have call predecessors, (6960), 1720 states have return successors, (6964), 6674 states have call predecessors, (6964), 6956 states have call successors, (6964) [2022-07-23 02:25:17,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28740 states to 28740 states and 39131 transitions. [2022-07-23 02:25:17,618 INFO L78 Accepts]: Start accepts. Automaton has 28740 states and 39131 transitions. Word has length 166 [2022-07-23 02:25:17,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:25:17,620 INFO L495 AbstractCegarLoop]: Abstraction has 28740 states and 39131 transitions. [2022-07-23 02:25:17,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-23 02:25:17,620 INFO L276 IsEmpty]: Start isEmpty. Operand 28740 states and 39131 transitions. [2022-07-23 02:25:17,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-07-23 02:25:17,623 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:25:17,624 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] [2022-07-23 02:25:17,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-23 02:25:17,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:25:17,839 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-23 02:25:17,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:25:17,840 INFO L85 PathProgramCache]: Analyzing trace with hash 486913975, now seen corresponding path program 1 times [2022-07-23 02:25:17,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:25:17,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2022787659] [2022-07-23 02:25:17,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:25:17,846 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:25:17,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:25:17,849 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:25:17,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-23 02:25:25,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:25:25,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 5300 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 02:25:25,875 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:25:27,546 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2022-07-23 02:25:27,546 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:25:27,546 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:25:27,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2022787659] [2022-07-23 02:25:27,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2022787659] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:25:27,546 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:25:27,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 02:25:27,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829665685] [2022-07-23 02:25:27,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:25:27,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:25:27,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:25:27,548 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:25:27,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:25:27,548 INFO L87 Difference]: Start difference. First operand 28740 states and 39131 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 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) [2022-07-23 02:25:28,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:25:28,709 INFO L93 Difference]: Finished difference Result 28746 states and 39136 transitions. [2022-07-23 02:25:28,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:25:28,710 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 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 [2022-07-23 02:25:28,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:25:28,841 INFO L225 Difference]: With dead ends: 28746 [2022-07-23 02:25:28,842 INFO L226 Difference]: Without dead ends: 28744 [2022-07-23 02:25:28,863 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:25:28,864 INFO L413 NwaCegarLoop]: 3330 mSDtfsCounter, 3245 mSDsluCounter, 6653 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3246 SdHoareTripleChecker+Valid, 9983 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-23 02:25:28,864 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3246 Valid, 9983 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-23 02:25:28,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28744 states. [2022-07-23 02:25:29,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28744 to 28744. [2022-07-23 02:25:29,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28744 states, 20059 states have (on average 1.2567924622364026) internal successors, (25210), 20675 states have internal predecessors, (25210), 6960 states have call successors, (6960), 1734 states have call predecessors, (6960), 1721 states have return successors, (6964), 6674 states have call predecessors, (6964), 6956 states have call successors, (6964) [2022-07-23 02:25:29,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28744 states to 28744 states and 39134 transitions. [2022-07-23 02:25:29,801 INFO L78 Accepts]: Start accepts. Automaton has 28744 states and 39134 transitions. Word has length 166 [2022-07-23 02:25:29,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:25:29,802 INFO L495 AbstractCegarLoop]: Abstraction has 28744 states and 39134 transitions. [2022-07-23 02:25:29,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 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) [2022-07-23 02:25:29,802 INFO L276 IsEmpty]: Start isEmpty. Operand 28744 states and 39134 transitions. [2022-07-23 02:25:29,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-07-23 02:25:29,805 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:25:29,805 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] [2022-07-23 02:25:29,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-23 02:25:30,027 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:25:30,028 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-23 02:25:30,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:25:30,028 INFO L85 PathProgramCache]: Analyzing trace with hash -712533819, now seen corresponding path program 1 times [2022-07-23 02:25:30,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:25:30,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [644564648] [2022-07-23 02:25:30,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:25:30,035 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:25:30,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:25:30,036 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:25:30,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-23 02:25:37,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:25:38,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 5307 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 02:25:38,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:25:39,782 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2022-07-23 02:25:39,783 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 02:25:40,664 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2022-07-23 02:25:40,664 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:25:40,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [644564648] [2022-07-23 02:25:40,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [644564648] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-23 02:25:40,664 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 02:25:40,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-07-23 02:25:40,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414926987] [2022-07-23 02:25:40,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:25:40,665 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:25:40,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:25:40,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:25:40,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:25:40,666 INFO L87 Difference]: Start difference. First operand 28744 states and 39134 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) [2022-07-23 02:25:41,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:25:41,822 INFO L93 Difference]: Finished difference Result 28750 states and 39139 transitions. [2022-07-23 02:25:41,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 02:25:41,823 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 [2022-07-23 02:25:41,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:25:41,953 INFO L225 Difference]: With dead ends: 28750 [2022-07-23 02:25:41,954 INFO L226 Difference]: Without dead ends: 28748 [2022-07-23 02:25:41,976 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 [2022-07-23 02:25:41,977 INFO L413 NwaCegarLoop]: 3333 mSDtfsCounter, 3265 mSDsluCounter, 6652 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3270 SdHoareTripleChecker+Valid, 9985 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-23 02:25:41,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3270 Valid, 9985 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-23 02:25:42,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28748 states. [2022-07-23 02:25:42,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28748 to 28748. [2022-07-23 02:25:42,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28748 states, 20062 states have (on average 1.2567540624065396) internal successors, (25213), 20678 states have internal predecessors, (25213), 6960 states have call successors, (6960), 1735 states have call predecessors, (6960), 1722 states have return successors, (6964), 6674 states have call predecessors, (6964), 6956 states have call successors, (6964) [2022-07-23 02:25:43,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28748 states to 28748 states and 39137 transitions. [2022-07-23 02:25:43,037 INFO L78 Accepts]: Start accepts. Automaton has 28748 states and 39137 transitions. Word has length 171 [2022-07-23 02:25:43,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:25:43,038 INFO L495 AbstractCegarLoop]: Abstraction has 28748 states and 39137 transitions. [2022-07-23 02:25:43,038 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) [2022-07-23 02:25:43,038 INFO L276 IsEmpty]: Start isEmpty. Operand 28748 states and 39137 transitions. [2022-07-23 02:25:43,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-07-23 02:25:43,044 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:25:43,045 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] [2022-07-23 02:25:43,200 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-23 02:25:43,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:25:43,268 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-23 02:25:43,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:25:43,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1342916663, now seen corresponding path program 1 times [2022-07-23 02:25:43,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:25:43,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1482207770] [2022-07-23 02:25:43,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:25:43,276 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:25:43,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:25:43,288 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:25:43,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-23 02:25:51,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:25:51,713 INFO L263 TraceCheckSpWp]: Trace formula consists of 5314 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 02:25:51,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:25:53,310 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2022-07-23 02:25:53,310 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 02:25:54,184 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2022-07-23 02:25:54,184 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:25:54,185 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1482207770] [2022-07-23 02:25:54,185 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1482207770] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-23 02:25:54,185 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 02:25:54,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-07-23 02:25:54,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664158560] [2022-07-23 02:25:54,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:25:54,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:25:54,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:25:54,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:25:54,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:25:54,186 INFO L87 Difference]: Start difference. First operand 28748 states and 39137 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) [2022-07-23 02:25:55,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:25:55,863 INFO L93 Difference]: Finished difference Result 56254 states and 76926 transitions. [2022-07-23 02:25:55,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 02:25:55,864 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 [2022-07-23 02:25:55,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:25:56,197 INFO L225 Difference]: With dead ends: 56254 [2022-07-23 02:25:56,198 INFO L226 Difference]: Without dead ends: 56252 [2022-07-23 02:25:56,225 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 [2022-07-23 02:25:56,226 INFO L413 NwaCegarLoop]: 4154 mSDtfsCounter, 3265 mSDsluCounter, 11552 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3269 SdHoareTripleChecker+Valid, 15706 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-23 02:25:56,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3269 Valid, 15706 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-23 02:25:56,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56252 states. [2022-07-23 02:25:57,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56252 to 56184. [2022-07-23 02:25:57,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56184 states, 39230 states have (on average 1.2585266377772113) internal successors, (49372), 40494 states have internal predecessors, (49372), 13640 states have call successors, (13640), 3384 states have call predecessors, (13640), 3310 states have return successors, (13836), 12977 states have call predecessors, (13836), 13632 states have call successors, (13836) [2022-07-23 02:25:58,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56184 states to 56184 states and 76848 transitions. [2022-07-23 02:25:58,147 INFO L78 Accepts]: Start accepts. Automaton has 56184 states and 76848 transitions. Word has length 176 [2022-07-23 02:25:58,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:25:58,150 INFO L495 AbstractCegarLoop]: Abstraction has 56184 states and 76848 transitions. [2022-07-23 02:25:58,150 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) [2022-07-23 02:25:58,150 INFO L276 IsEmpty]: Start isEmpty. Operand 56184 states and 76848 transitions. [2022-07-23 02:25:58,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-07-23 02:25:58,159 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:25:58,160 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:25:58,329 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-23 02:25:58,379 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:25:58,379 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-23 02:25:58,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:25:58,380 INFO L85 PathProgramCache]: Analyzing trace with hash 226964325, now seen corresponding path program 1 times [2022-07-23 02:25:58,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:25:58,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [697324615] [2022-07-23 02:25:58,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:25:58,386 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:25:58,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:25:58,387 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:25:58,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-23 02:26:06,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:26:07,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 5391 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:26:07,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:26:07,572 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2022-07-23 02:26:07,573 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:26:07,573 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:26:07,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [697324615] [2022-07-23 02:26:07,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [697324615] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:26:07,573 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:26:07,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:26:07,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208929457] [2022-07-23 02:26:07,573 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:26:07,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:26:07,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:26:07,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:26:07,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:26:07,575 INFO L87 Difference]: Start difference. First operand 56184 states and 76848 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-23 02:26:10,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:26:10,543 INFO L93 Difference]: Finished difference Result 132024 states and 180446 transitions. [2022-07-23 02:26:10,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:26:10,543 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 177 [2022-07-23 02:26:10,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:26:11,073 INFO L225 Difference]: With dead ends: 132024 [2022-07-23 02:26:11,074 INFO L226 Difference]: Without dead ends: 76456 [2022-07-23 02:26:11,253 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:26:11,254 INFO L413 NwaCegarLoop]: 5839 mSDtfsCounter, 2616 mSDsluCounter, 3269 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2616 SdHoareTripleChecker+Valid, 9108 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-23 02:26:11,254 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2616 Valid, 9108 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-23 02:26:11,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76456 states. [2022-07-23 02:26:13,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76456 to 76344. [2022-07-23 02:26:13,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76344 states, 53452 states have (on average 1.25705305694829) internal successors, (67192), 55160 states have internal predecessors, (67192), 18288 states have call successors, (18288), 4694 states have call predecessors, (18288), 4600 states have return successors, (18544), 17417 states have call predecessors, (18544), 18280 states have call successors, (18544) [2022-07-23 02:26:13,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76344 states to 76344 states and 104024 transitions. [2022-07-23 02:26:13,810 INFO L78 Accepts]: Start accepts. Automaton has 76344 states and 104024 transitions. Word has length 177 [2022-07-23 02:26:13,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:26:13,810 INFO L495 AbstractCegarLoop]: Abstraction has 76344 states and 104024 transitions. [2022-07-23 02:26:13,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-23 02:26:13,811 INFO L276 IsEmpty]: Start isEmpty. Operand 76344 states and 104024 transitions. [2022-07-23 02:26:13,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-07-23 02:26:13,814 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:26:13,815 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] [2022-07-23 02:26:13,967 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-23 02:26:14,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:26:14,035 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-23 02:26:14,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:26:14,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1377994693, now seen corresponding path program 1 times [2022-07-23 02:26:14,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:26:14,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [806103849] [2022-07-23 02:26:14,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:26:14,043 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:26:14,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:26:14,044 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:26:14,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-23 02:26:21,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:26:22,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 5321 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 02:26:22,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:26:24,034 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2022-07-23 02:26:24,034 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 02:26:24,954 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2022-07-23 02:26:24,955 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:26:24,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [806103849] [2022-07-23 02:26:24,955 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [806103849] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-23 02:26:24,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 02:26:24,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-07-23 02:26:24,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129802321] [2022-07-23 02:26:24,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:26:24,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:26:24,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:26:24,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:26:24,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:26:24,956 INFO L87 Difference]: Start difference. First operand 76344 states and 104024 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) [2022-07-23 02:26:28,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:26:28,853 INFO L93 Difference]: Finished difference Result 152018 states and 209644 transitions. [2022-07-23 02:26:28,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 02:26:28,854 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 [2022-07-23 02:26:28,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:26:29,601 INFO L225 Difference]: With dead ends: 152018 [2022-07-23 02:26:29,601 INFO L226 Difference]: Without dead ends: 152016 [2022-07-23 02:26:29,690 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 [2022-07-23 02:26:29,692 INFO L413 NwaCegarLoop]: 4134 mSDtfsCounter, 3299 mSDsluCounter, 11595 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3302 SdHoareTripleChecker+Valid, 15729 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-23 02:26:29,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3302 Valid, 15729 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-23 02:26:29,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152016 states. [2022-07-23 02:26:34,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152016 to 151976. [2022-07-23 02:26:34,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151976 states, 106363 states have (on average 1.2574767541344265) internal successors, (133749), 109799 states have internal predecessors, (133749), 36448 states have call successors, (36448), 9349 states have call predecessors, (36448), 9161 states have return successors, (39408), 34675 states have call predecessors, (39408), 36432 states have call successors, (39408) [2022-07-23 02:26:35,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151976 states to 151976 states and 209605 transitions. [2022-07-23 02:26:35,519 INFO L78 Accepts]: Start accepts. Automaton has 151976 states and 209605 transitions. Word has length 181 [2022-07-23 02:26:35,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:26:35,520 INFO L495 AbstractCegarLoop]: Abstraction has 151976 states and 209605 transitions. [2022-07-23 02:26:35,520 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) [2022-07-23 02:26:35,520 INFO L276 IsEmpty]: Start isEmpty. Operand 151976 states and 209605 transitions. [2022-07-23 02:26:35,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-07-23 02:26:35,525 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:26:35,525 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] [2022-07-23 02:26:35,653 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-23 02:26:35,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:26:35,743 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-23 02:26:35,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:26:35,744 INFO L85 PathProgramCache]: Analyzing trace with hash 2049435831, now seen corresponding path program 1 times [2022-07-23 02:26:35,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:26:35,751 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1137380725] [2022-07-23 02:26:35,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:26:35,751 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:26:35,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:26:35,752 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:26:35,753 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-23 02:26:43,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:26:43,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 5328 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 02:26:43,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:26:45,678 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2022-07-23 02:26:45,678 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 02:26:46,608 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2022-07-23 02:26:46,609 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:26:46,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1137380725] [2022-07-23 02:26:46,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1137380725] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-23 02:26:46,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 02:26:46,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-07-23 02:26:46,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601106775] [2022-07-23 02:26:46,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:26:46,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:26:46,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:26:46,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:26:46,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:26:46,610 INFO L87 Difference]: Start difference. First operand 151976 states and 209605 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) [2022-07-23 02:26:50,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:26:50,439 INFO L93 Difference]: Finished difference Result 151994 states and 209622 transitions. [2022-07-23 02:26:50,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 02:26:50,440 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 [2022-07-23 02:26:50,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:26:51,145 INFO L225 Difference]: With dead ends: 151994 [2022-07-23 02:26:51,145 INFO L226 Difference]: Without dead ends: 151992 [2022-07-23 02:26:51,242 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 [2022-07-23 02:26:51,243 INFO L413 NwaCegarLoop]: 3333 mSDtfsCounter, 3265 mSDsluCounter, 6652 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3267 SdHoareTripleChecker+Valid, 9985 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-23 02:26:51,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3267 Valid, 9985 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-23 02:26:51,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151992 states. [2022-07-23 02:26:55,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151992 to 151992. [2022-07-23 02:26:56,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151992 states, 106375 states have (on average 1.2574477085781433) internal successors, (133761), 109811 states have internal predecessors, (133761), 36448 states have call successors, (36448), 9353 states have call predecessors, (36448), 9165 states have return successors, (39408), 34675 states have call predecessors, (39408), 36432 states have call successors, (39408) [2022-07-23 02:26:56,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151992 states to 151992 states and 209617 transitions. [2022-07-23 02:26:56,889 INFO L78 Accepts]: Start accepts. Automaton has 151992 states and 209617 transitions. Word has length 186 [2022-07-23 02:26:56,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:26:56,890 INFO L495 AbstractCegarLoop]: Abstraction has 151992 states and 209617 transitions. [2022-07-23 02:26:56,890 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) [2022-07-23 02:26:56,890 INFO L276 IsEmpty]: Start isEmpty. Operand 151992 states and 209617 transitions. [2022-07-23 02:26:56,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-07-23 02:26:56,894 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:26:56,894 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 6, 6, 6, 6, 6, 6, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:26:57,004 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-07-23 02:26:57,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:26:57,098 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-23 02:26:57,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:26:57,107 INFO L85 PathProgramCache]: Analyzing trace with hash -2071585197, now seen corresponding path program 1 times [2022-07-23 02:26:57,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:26:57,114 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1525756328] [2022-07-23 02:26:57,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:26:57,114 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:26:57,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:26:57,115 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:26:57,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-23 02:27:04,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:27:05,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 5354 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:27:05,445 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:27:05,581 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-07-23 02:27:05,581 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:27:05,581 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:27:05,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1525756328] [2022-07-23 02:27:05,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1525756328] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:27:05,582 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:27:05,582 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:27:05,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461474102] [2022-07-23 02:27:05,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:27:05,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:27:05,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:27:05,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:27:05,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:27:05,583 INFO L87 Difference]: Start difference. First operand 151992 states and 209617 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-23 02:27:13,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:27:13,190 INFO L93 Difference]: Finished difference Result 377244 states and 520541 transitions. [2022-07-23 02:27:13,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:27:13,190 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 187 [2022-07-23 02:27:13,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:27:14,332 INFO L225 Difference]: With dead ends: 377244 [2022-07-23 02:27:14,332 INFO L226 Difference]: Without dead ends: 225868 [2022-07-23 02:27:15,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:27:15,168 INFO L413 NwaCegarLoop]: 6509 mSDtfsCounter, 3188 mSDsluCounter, 3308 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3188 SdHoareTripleChecker+Valid, 9817 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 [2022-07-23 02:27:15,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3188 Valid, 9817 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-23 02:27:15,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225868 states.