./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 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-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-?-6c24879 [2022-07-12 15:05:51,458 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 15:05:51,461 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 15:05:51,505 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 15:05:51,506 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 15:05:51,507 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 15:05:51,509 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 15:05:51,511 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 15:05:51,513 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 15:05:51,517 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 15:05:51,518 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 15:05:51,520 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 15:05:51,520 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 15:05:51,522 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 15:05:51,522 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 15:05:51,525 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 15:05:51,526 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 15:05:51,528 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 15:05:51,529 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 15:05:51,534 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 15:05:51,536 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 15:05:51,537 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 15:05:51,537 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 15:05:51,538 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 15:05:51,540 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 15:05:51,546 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 15:05:51,546 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 15:05:51,547 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 15:05:51,548 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 15:05:51,548 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 15:05:51,549 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 15:05:51,549 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 15:05:51,550 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 15:05:51,551 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 15:05:51,552 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 15:05:51,553 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 15:05:51,553 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 15:05:51,554 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 15:05:51,554 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 15:05:51,554 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 15:05:51,555 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 15:05:51,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 15:05:51,558 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 15:05:51,585 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 15:05:51,586 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 15:05:51,586 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 15:05:51,586 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 15:05:51,587 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 15:05:51,587 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 15:05:51,587 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 15:05:51,588 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 15:05:51,588 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 15:05:51,589 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 15:05:51,589 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 15:05:51,589 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 15:05:51,589 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 15:05:51,590 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 15:05:51,590 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 15:05:51,590 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 15:05:51,590 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 15:05:51,590 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 15:05:51,590 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 15:05:51,591 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 15:05:51,591 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 15:05:51,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 15:05:51,591 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 15:05:51,592 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 15:05:51,592 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 15:05:51,592 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 15:05:51,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 15:05:51,592 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 15:05:51,592 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 15:05:51,593 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 15:05:51,593 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bf48d35d7133b2e8327bc0634357c212875c286543fcf18078150bbf7eff020 [2022-07-12 15:05:51,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 15:05:51,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 15:05:51,835 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 15:05:51,836 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 15:05:51,837 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 15:05:51,838 INFO L432 ainManager$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 [2022-07-12 15:05:51,904 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aeb6faa7b/c1b5fb56349242ea99f0f375890e3319/FLAG0071a5455 [2022-07-12 15:05:52,759 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 15:05:52,760 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 [2022-07-12 15:05:52,816 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aeb6faa7b/c1b5fb56349242ea99f0f375890e3319/FLAG0071a5455 [2022-07-12 15:05:52,929 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aeb6faa7b/c1b5fb56349242ea99f0f375890e3319 [2022-07-12 15:05:52,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 15:05:52,932 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 15:05:52,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 15:05:52,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 15:05:52,937 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 15:05:52,938 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:05:52" (1/1) ... [2022-07-12 15:05:52,939 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58f0a86f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:05:52, skipping insertion in model container [2022-07-12 15:05:52,939 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:05:52" (1/1) ... [2022-07-12 15:05:52,945 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 15:05:53,108 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 15:05:56,829 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] [2022-07-12 15:05:56,832 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] [2022-07-12 15:05:56,833 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] [2022-07-12 15:05:56,833 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] [2022-07-12 15:05:56,866 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:05:56,980 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 15:05:57,125 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) [2022-07-12 15:05:57,135 INFO L158 Benchmark]: Toolchain (without parser) took 4201.15ms. Allocated memory was 102.8MB in the beginning and 182.5MB in the end (delta: 79.7MB). Free memory was 69.9MB in the beginning and 71.6MB in the end (delta: -1.7MB). Peak memory consumption was 82.7MB. Max. memory is 16.1GB. [2022-07-12 15:05:57,136 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 102.8MB. Free memory was 58.0MB in the beginning and 58.0MB in the end (delta: 48.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 15:05:57,137 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4198.42ms. Allocated memory was 102.8MB in the beginning and 182.5MB in the end (delta: 79.7MB). Free memory was 69.9MB in the beginning and 71.6MB in the end (delta: -1.7MB). Peak memory consumption was 82.7MB. Max. memory is 16.1GB. [2022-07-12 15:05:57,138 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 102.8MB. Free memory was 58.0MB in the beginning and 58.0MB in the end (delta: 48.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4198.42ms. Allocated memory was 102.8MB in the beginning and 182.5MB in the end (delta: 79.7MB). Free memory was 69.9MB in the beginning and 71.6MB in the end (delta: -1.7MB). Peak memory consumption was 82.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: HeapLValues must be converted to RValue before their value can be queried. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: HeapLValues must be converted to RValue before their value can be queried.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-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-?-6c24879 [2022-07-12 15:05:58,901 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 15:05:58,903 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 15:05:58,957 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 15:05:58,957 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 15:05:58,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 15:05:58,963 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 15:05:58,965 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 15:05:58,967 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 15:05:58,972 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 15:05:58,973 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 15:05:58,977 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 15:05:58,978 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 15:05:58,979 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 15:05:58,980 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 15:05:58,983 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 15:05:58,984 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 15:05:58,986 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 15:05:58,987 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 15:05:58,993 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 15:05:58,994 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 15:05:58,995 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 15:05:58,996 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 15:05:58,997 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 15:05:58,999 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 15:05:59,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 15:05:59,006 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 15:05:59,007 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 15:05:59,008 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 15:05:59,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 15:05:59,011 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 15:05:59,011 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 15:05:59,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 15:05:59,013 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 15:05:59,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 15:05:59,015 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 15:05:59,016 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 15:05:59,016 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 15:05:59,017 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 15:05:59,017 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 15:05:59,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 15:05:59,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 15:05:59,028 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 15:05:59,063 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 15:05:59,063 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 15:05:59,064 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 15:05:59,064 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 15:05:59,065 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 15:05:59,065 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 15:05:59,066 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 15:05:59,066 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 15:05:59,066 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 15:05:59,067 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 15:05:59,067 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 15:05:59,067 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 15:05:59,068 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 15:05:59,068 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 15:05:59,068 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 15:05:59,068 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 15:05:59,069 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 15:05:59,069 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 15:05:59,069 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 15:05:59,069 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 15:05:59,069 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 15:05:59,070 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 15:05:59,070 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 15:05:59,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 15:05:59,070 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 15:05:59,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 15:05:59,071 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 15:05:59,071 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 15:05:59,071 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 15:05:59,071 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 15:05:59,072 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 15:05:59,072 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 15:05:59,072 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 15:05:59,072 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bf48d35d7133b2e8327bc0634357c212875c286543fcf18078150bbf7eff020 [2022-07-12 15:05:59,389 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 15:05:59,417 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 15:05:59,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 15:05:59,421 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 15:05:59,421 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 15:05:59,423 INFO L432 ainManager$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 [2022-07-12 15:05:59,475 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9eab1c819/23aec30bbd1c4709ae42e7f3e5df3148/FLAG445f09016 [2022-07-12 15:06:00,360 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 15:06:00,361 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 [2022-07-12 15:06:00,417 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9eab1c819/23aec30bbd1c4709ae42e7f3e5df3148/FLAG445f09016 [2022-07-12 15:06:00,783 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9eab1c819/23aec30bbd1c4709ae42e7f3e5df3148 [2022-07-12 15:06:00,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 15:06:00,786 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 15:06:00,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 15:06:00,803 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 15:06:00,806 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 15:06:00,806 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:06:00" (1/1) ... [2022-07-12 15:06:00,808 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ec56a2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:06:00, skipping insertion in model container [2022-07-12 15:06:00,808 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 03:06:00" (1/1) ... [2022-07-12 15:06:00,814 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 15:06:00,986 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 15:06:04,466 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] [2022-07-12 15:06:04,469 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] [2022-07-12 15:06:04,469 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] [2022-07-12 15:06:04,470 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] [2022-07-12 15:06:04,504 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:06:04,618 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 15:06:04,759 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 15:06:05,140 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[469707,469720] [2022-07-12 15:06:05,141 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[469873,469886] [2022-07-12 15:06:05,141 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[470037,470050] [2022-07-12 15:06:05,141 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[470202,470215] [2022-07-12 15:06:05,148 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:06:05,209 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 15:06:05,681 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] [2022-07-12 15:06:05,682 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] [2022-07-12 15:06:05,682 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] [2022-07-12 15:06:05,683 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] [2022-07-12 15:06:05,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 15:06:05,973 INFO L208 MainTranslator]: Completed translation [2022-07-12 15:06:05,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:06:05 WrapperNode [2022-07-12 15:06:05,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 15:06:05,975 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 15:06:05,975 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 15:06:05,975 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 15:06:05,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:06:05" (1/1) ... [2022-07-12 15:06:06,092 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:06:05" (1/1) ... [2022-07-12 15:06:06,419 INFO L137 Inliner]: procedures = 553, calls = 6232, calls flagged for inlining = 274, calls inlined = 248, statements flattened = 8679 [2022-07-12 15:06:06,420 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 15:06:06,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 15:06:06,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 15:06:06,421 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 15:06:06,429 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:06:05" (1/1) ... [2022-07-12 15:06:06,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:06:05" (1/1) ... [2022-07-12 15:06:06,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:06:05" (1/1) ... [2022-07-12 15:06:06,502 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:06:05" (1/1) ... [2022-07-12 15:06:06,667 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:06:05" (1/1) ... [2022-07-12 15:06:06,694 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:06:05" (1/1) ... [2022-07-12 15:06:06,819 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:06:05" (1/1) ... [2022-07-12 15:06:06,860 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 15:06:06,862 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 15:06:06,863 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 15:06:06,863 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 15:06:06,864 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:06:05" (1/1) ... [2022-07-12 15:06:06,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 15:06:06,879 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 15:06:06,889 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 15:06:06,900 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 15:06:06,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_lock_of_islpci_acl [2022-07-12 15:06:06,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_lock_of_islpci_acl [2022-07-12 15:06:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_le_to_cpu [2022-07-12 15:06:06,922 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_le_to_cpu [2022-07-12 15:06:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_eth_tx_timeout [2022-07-12 15:06:06,922 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_eth_tx_timeout [2022-07-12 15:06:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-12 15:06:06,922 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-12 15:06:06,923 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-12 15:06:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 15:06:06,923 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 15:06:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_trigger [2022-07-12 15:06:06,923 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_trigger [2022-07-12 15:06:06,923 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-12 15:06:06,923 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-12 15:06:06,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 15:06:06,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 15:06:06,924 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_mib_mode_helper [2022-07-12 15:06:06,924 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_mib_mode_helper [2022-07-12 15:06:06,924 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-12 15:06:06,924 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-12 15:06:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-12 15:06:06,925 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-12 15:06:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 15:06:06,925 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 15:06:06,925 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set_request [2022-07-12 15:06:06,925 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set_request [2022-07-12 15:06:06,926 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_cpu_to_le [2022-07-12 15:06:06,926 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_cpu_to_le [2022-07-12 15:06:06,926 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-12 15:06:06,926 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_get_state [2022-07-12 15:06:06,926 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_get_state [2022-07-12 15:06:06,926 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-12 15:06:06,926 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-12 15:06:06,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 15:06:06,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 15:06:06,927 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-12 15:06:06,927 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-12 15:06:06,927 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-12 15:06:06,927 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-12 15:06:06,928 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_release [2022-07-12 15:06:06,928 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_release [2022-07-12 15:06:06,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 15:06:06,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 15:06:06,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-12 15:06:06,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-12 15:06:06,929 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-12 15:06:06,929 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-12 15:06:06,929 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2022-07-12 15:06:06,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2022-07-12 15:06:06,929 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-12 15:06:06,929 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-12 15:06:06,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 15:06:06,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_wpa_lock_of_NOT_ARG_SIGN [2022-07-12 15:06:06,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_wpa_lock_of_NOT_ARG_SIGN [2022-07-12 15:06:06,930 INFO L130 BoogieDeclarations]: Found specification of procedure send_simple_event [2022-07-12 15:06:06,930 INFO L138 BoogieDeclarations]: Found implementation of procedure send_simple_event [2022-07-12 15:06:06,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-12 15:06:06,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 15:06:06,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 15:06:06,931 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-12 15:06:06,931 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-12 15:06:06,931 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-12 15:06:06,931 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-12 15:06:06,932 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-12 15:06:06,932 INFO L130 BoogieDeclarations]: Found specification of procedure send_formatted_event [2022-07-12 15:06:06,932 INFO L138 BoogieDeclarations]: Found implementation of procedure send_formatted_event [2022-07-12 15:06:06,932 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set [2022-07-12 15:06:06,932 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set [2022-07-12 15:06:06,932 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 15:06:06,933 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 15:06:06,933 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-12 15:06:06,933 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-12 15:06:06,933 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_reset [2022-07-12 15:06:06,933 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_reset [2022-07-12 15:06:06,933 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-12 15:06:06,934 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-12 15:06:06,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-12 15:06:06,934 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-12 15:06:06,934 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2022-07-12 15:06:06,934 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2022-07-12 15:06:06,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 15:06:06,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 15:06:06,935 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-12 15:06:06,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-12 15:06:06,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 15:06:06,935 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 15:06:06,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-12 15:06:06,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-12 15:06:06,936 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-12 15:06:06,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-12 15:06:06,936 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_open [2022-07-12 15:06:06,936 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_open [2022-07-12 15:06:06,936 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_resume [2022-07-12 15:06:06,937 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_resume [2022-07-12 15:06:06,937 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-12 15:06:06,937 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-12 15:06:06,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 15:06:06,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-12 15:06:06,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-12 15:06:06,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-12 15:06:06,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-12 15:06:06,938 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2022-07-12 15:06:06,938 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2022-07-12 15:06:06,938 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-12 15:06:06,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-12 15:06:06,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 15:06:06,939 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 15:06:06,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 15:06:06,939 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 15:06:06,939 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 15:06:06,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 15:06:06,939 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-12 15:06:06,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-12 15:06:06,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-12 15:06:06,940 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 15:06:06,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 15:06:06,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-12 15:06:06,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_stats_lock_of_NOT_ARG_SIGN [2022-07-12 15:06:06,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_stats_lock_of_NOT_ARG_SIGN [2022-07-12 15:06:06,941 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-12 15:06:06,941 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-12 15:06:06,941 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-12 15:06:06,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-12 15:06:06,941 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 15:06:06,941 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 15:06:06,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_wpa_lock_of_NOT_ARG_SIGN [2022-07-12 15:06:06,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_wpa_lock_of_NOT_ARG_SIGN [2022-07-12 15:06:06,942 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-12 15:06:06,942 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-12 15:06:06,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-12 15:06:06,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-12 15:06:06,943 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-07-12 15:06:06,943 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-07-12 15:06:06,943 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-12 15:06:06,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-12 15:06:06,943 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-12 15:06:06,943 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-12 15:06:06,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-12 15:06:06,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_prism54_module_exit_12_2 [2022-07-12 15:06:06,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_prism54_module_exit_12_2 [2022-07-12 15:06:06,944 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2022-07-12 15:06:06,944 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2022-07-12 15:06:06,944 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-12 15:06:06,944 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-12 15:06:06,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 15:06:06,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 15:06:06,945 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2022-07-12 15:06:06,945 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2022-07-12 15:06:06,945 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-12 15:06:06,945 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-12 15:06:06,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 15:06:06,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-12 15:06:06,946 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-12 15:06:06,946 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_clear_mac [2022-07-12 15:06:06,946 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_clear_mac [2022-07-12 15:06:06,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-12 15:06:06,946 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_wpa_bss_ie_get [2022-07-12 15:06:06,946 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_wpa_bss_ie_get [2022-07-12 15:06:06,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 15:06:06,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 15:06:06,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 15:06:06,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 15:06:06,947 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 15:06:06,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 15:06:06,947 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-12 15:06:06,947 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-12 15:06:06,947 INFO L130 BoogieDeclarations]: Found specification of procedure handle_request [2022-07-12 15:06:06,947 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_request [2022-07-12 15:06:06,947 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_bring_down [2022-07-12 15:06:06,948 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_bring_down [2022-07-12 15:06:06,948 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_stats_lock_of_NOT_ARG_SIGN [2022-07-12 15:06:06,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_stats_lock_of_NOT_ARG_SIGN [2022-07-12 15:06:06,948 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-12 15:06:06,948 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-12 15:06:06,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 15:06:06,948 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 15:06:06,949 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-12 15:06:06,949 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-12 15:06:06,949 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-12 15:06:06,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-12 15:06:06,949 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-12 15:06:06,949 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-12 15:06:06,950 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-12 15:06:06,950 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-12 15:06:06,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 15:06:06,950 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-12 15:06:06,950 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-12 15:06:06,950 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_set_state [2022-07-12 15:06:06,950 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_set_state [2022-07-12 15:06:06,951 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2022-07-12 15:06:06,951 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2022-07-12 15:06:06,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 15:06:06,951 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set_varlen [2022-07-12 15:06:06,951 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set_varlen [2022-07-12 15:06:06,951 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-07-12 15:06:06,952 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-07-12 15:06:06,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-12 15:06:06,952 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2022-07-12 15:06:06,952 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2022-07-12 15:06:06,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 15:06:06,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 15:06:06,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 15:06:06,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 15:06:06,953 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_close [2022-07-12 15:06:06,953 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_close [2022-07-12 15:06:06,953 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-07-12 15:06:06,953 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-07-12 15:06:06,953 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_get_request [2022-07-12 15:06:06,953 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_get_request [2022-07-12 15:06:06,954 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-12 15:06:06,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-12 15:06:06,954 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-12 15:06:06,954 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-12 15:06:06,954 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-12 15:06:06,954 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-12 15:06:06,955 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 15:06:06,955 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 15:06:06,955 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_remove [2022-07-12 15:06:06,955 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_remove [2022-07-12 15:06:06,955 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_w32_flush [2022-07-12 15:06:06,955 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_w32_flush [2022-07-12 15:06:06,955 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 15:06:06,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 15:06:06,956 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-12 15:06:06,956 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-12 15:06:06,956 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-07-12 15:06:06,956 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-07-12 15:06:06,956 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-12 15:06:06,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-12 15:06:06,957 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-07-12 15:06:06,957 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-07-12 15:06:06,957 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit_list [2022-07-12 15:06:06,957 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit_list [2022-07-12 15:06:06,957 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-12 15:06:06,957 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-12 15:06:06,958 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-12 15:06:06,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-12 15:06:06,958 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-12 15:06:06,958 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-12 15:06:06,958 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-12 15:06:06,958 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-12 15:06:06,958 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgmt_rx_fill [2022-07-12 15:06:06,959 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgmt_rx_fill [2022-07-12 15:06:06,959 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_transaction [2022-07-12 15:06:06,959 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_transaction [2022-07-12 15:06:06,959 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 15:06:06,959 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 15:06:06,959 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-12 15:06:06,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-12 15:06:06,960 INFO L130 BoogieDeclarations]: Found specification of procedure channel_of_freq [2022-07-12 15:06:06,960 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_of_freq [2022-07-12 15:06:06,960 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-07-12 15:06:06,961 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-07-12 15:06:06,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 15:06:06,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-12 15:06:06,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 15:06:06,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-12 15:06:06,961 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-07-12 15:06:06,961 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-07-12 15:06:06,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 15:06:06,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 15:06:06,962 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_free_memory [2022-07-12 15:06:06,962 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_free_memory [2022-07-12 15:06:06,962 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_islpci_acl [2022-07-12 15:06:06,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_islpci_acl [2022-07-12 15:06:06,962 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit [2022-07-12 15:06:06,963 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit [2022-07-12 15:06:06,963 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-12 15:06:06,963 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-12 15:06:06,963 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32s [2022-07-12 15:06:06,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32s [2022-07-12 15:06:06,963 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-07-12 15:06:06,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-07-12 15:06:06,964 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-12 15:06:06,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-12 15:06:06,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 15:06:06,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 15:06:06,964 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-12 15:06:06,964 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-12 15:06:06,965 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-07-12 15:06:06,965 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-07-12 15:06:06,965 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_in_queue [2022-07-12 15:06:06,965 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_in_queue [2022-07-12 15:06:06,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_islpci_acl [2022-07-12 15:06:06,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_islpci_acl [2022-07-12 15:06:06,965 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-12 15:06:06,966 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-12 15:06:06,966 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-12 15:06:06,966 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-12 15:06:06,966 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-12 15:06:06,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-12 15:06:06,966 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-12 15:06:06,967 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-12 15:06:06,967 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_disable_interrupts [2022-07-12 15:06:06,967 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_disable_interrupts [2022-07-12 15:06:07,889 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 15:06:07,892 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 15:06:11,566 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 15:07:05,297 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-12 15:07:09,040 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 15:07:09,057 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 15:07:09,058 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-07-12 15:07:09,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:07:09 BoogieIcfgContainer [2022-07-12 15:07:09,062 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 15:07:09,064 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 15:07:09,064 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 15:07:09,067 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 15:07:09,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 03:06:00" (1/3) ... [2022-07-12 15:07:09,067 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e758d91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:07:09, skipping insertion in model container [2022-07-12 15:07:09,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 03:06:05" (2/3) ... [2022-07-12 15:07:09,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e758d91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 03:07:09, skipping insertion in model container [2022-07-12 15:07:09,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 03:07:09" (3/3) ... [2022-07-12 15:07:09,069 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i [2022-07-12 15:07:09,081 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 15:07:09,082 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-07-12 15:07:09,173 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 15:07:09,183 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@3f073e6e, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3bd6db11 [2022-07-12 15:07:09,183 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-07-12 15:07:09,195 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) [2022-07-12 15:07:09,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-07-12 15:07:09,209 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:07:09,210 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] [2022-07-12 15:07:09,210 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)] === [2022-07-12 15:07:09,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:07:09,214 INFO L85 PathProgramCache]: Analyzing trace with hash 38973541, now seen corresponding path program 1 times [2022-07-12 15:07:09,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:07:09,236 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1358838928] [2022-07-12 15:07:09,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:07:09,237 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:07:09,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:07:09,242 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 15:07:09,254 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 15:07:16,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:07:16,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 5159 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:07:16,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:07:17,157 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-07-12 15:07:17,158 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:07:17,159 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:07:17,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1358838928] [2022-07-12 15:07:17,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1358838928] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:07:17,160 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:07:17,160 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:07:17,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593414960] [2022-07-12 15:07:17,162 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:07:17,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:07:17,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:07:17,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:07:17,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:07:17,193 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) [2022-07-12 15:07:18,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:07:18,179 INFO L93 Difference]: Finished difference Result 7165 states and 10349 transitions. [2022-07-12 15:07:18,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:07:18,184 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 [2022-07-12 15:07:18,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:07:18,231 INFO L225 Difference]: With dead ends: 7165 [2022-07-12 15:07:18,232 INFO L226 Difference]: Without dead ends: 4726 [2022-07-12 15:07:18,260 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 [2022-07-12 15:07:18,266 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 [2022-07-12 15:07:18,268 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] [2022-07-12 15:07:18,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4726 states. [2022-07-12 15:07:18,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4726 to 4720. [2022-07-12 15:07:18,500 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) [2022-07-12 15:07:18,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4720 states to 4720 states and 6508 transitions. [2022-07-12 15:07:18,543 INFO L78 Accepts]: Start accepts. Automaton has 4720 states and 6508 transitions. Word has length 94 [2022-07-12 15:07:18,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:07:18,544 INFO L495 AbstractCegarLoop]: Abstraction has 4720 states and 6508 transitions. [2022-07-12 15:07:18,545 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) [2022-07-12 15:07:18,545 INFO L276 IsEmpty]: Start isEmpty. Operand 4720 states and 6508 transitions. [2022-07-12 15:07:18,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-07-12 15:07:18,550 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:07:18,551 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] [2022-07-12 15:07:18,719 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-12 15:07:18,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:07:18,768 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)] === [2022-07-12 15:07:18,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:07:18,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1061101067, now seen corresponding path program 1 times [2022-07-12 15:07:18,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:07:18,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [512450672] [2022-07-12 15:07:18,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:07:18,776 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:07:18,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:07:18,777 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 15:07:18,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 15:07:26,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:07:26,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 5185 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:07:26,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:07:26,657 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-07-12 15:07:26,658 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:07:26,658 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:07:26,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [512450672] [2022-07-12 15:07:26,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [512450672] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:07:26,659 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:07:26,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:07:26,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263258671] [2022-07-12 15:07:26,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:07:26,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:07:26,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:07:26,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:07:26,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:07:26,662 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) [2022-07-12 15:07:27,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:07:27,557 INFO L93 Difference]: Finished difference Result 11758 states and 16204 transitions. [2022-07-12 15:07:27,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:07:27,558 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 [2022-07-12 15:07:27,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:07:27,613 INFO L225 Difference]: With dead ends: 11758 [2022-07-12 15:07:27,613 INFO L226 Difference]: Without dead ends: 7055 [2022-07-12 15:07:27,642 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 [2022-07-12 15:07:27,644 INFO L413 NwaCegarLoop]: 3944 mSDtfsCounter, 3235 mSDsluCounter, 3312 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2022-07-12 15:07:27,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3235 Valid, 7256 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-12 15:07:27,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7055 states. [2022-07-12 15:07:27,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7055 to 7033. [2022-07-12 15:07:27,891 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) [2022-07-12 15:07:27,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7033 states to 7033 states and 9684 transitions. [2022-07-12 15:07:27,954 INFO L78 Accepts]: Start accepts. Automaton has 7033 states and 9684 transitions. Word has length 95 [2022-07-12 15:07:27,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:07:27,955 INFO L495 AbstractCegarLoop]: Abstraction has 7033 states and 9684 transitions. [2022-07-12 15:07:27,956 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) [2022-07-12 15:07:27,956 INFO L276 IsEmpty]: Start isEmpty. Operand 7033 states and 9684 transitions. [2022-07-12 15:07:27,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-07-12 15:07:27,962 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:07:27,962 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] [2022-07-12 15:07:28,126 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-12 15:07:28,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:07:28,176 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)] === [2022-07-12 15:07:28,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:07:28,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1782373060, now seen corresponding path program 1 times [2022-07-12 15:07:28,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:07:28,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1814372563] [2022-07-12 15:07:28,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:07:28,185 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:07:28,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:07:28,187 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 15:07:28,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 15:07:35,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:07:36,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 5233 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:07:36,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:07:36,223 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-07-12 15:07:36,223 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:07:36,223 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:07:36,223 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1814372563] [2022-07-12 15:07:36,224 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1814372563] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:07:36,224 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:07:36,224 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:07:36,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923899302] [2022-07-12 15:07:36,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:07:36,224 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:07:36,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:07:36,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:07:36,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:07:36,225 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) [2022-07-12 15:07:37,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:07:37,441 INFO L93 Difference]: Finished difference Result 17410 states and 23926 transitions. [2022-07-12 15:07:37,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:07:37,441 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 [2022-07-12 15:07:37,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:07:37,517 INFO L225 Difference]: With dead ends: 17410 [2022-07-12 15:07:37,518 INFO L226 Difference]: Without dead ends: 10394 [2022-07-12 15:07:37,566 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 [2022-07-12 15:07:37,567 INFO L413 NwaCegarLoop]: 3951 mSDtfsCounter, 2632 mSDsluCounter, 3268 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.9s IncrementalHoareTripleChecker+Time [2022-07-12 15:07:37,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2632 Valid, 7219 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-12 15:07:37,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10394 states. [2022-07-12 15:07:37,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10394 to 10370. [2022-07-12 15:07:38,025 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) [2022-07-12 15:07:38,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10370 states to 10370 states and 14191 transitions. [2022-07-12 15:07:38,089 INFO L78 Accepts]: Start accepts. Automaton has 10370 states and 14191 transitions. Word has length 97 [2022-07-12 15:07:38,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:07:38,092 INFO L495 AbstractCegarLoop]: Abstraction has 10370 states and 14191 transitions. [2022-07-12 15:07:38,093 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) [2022-07-12 15:07:38,093 INFO L276 IsEmpty]: Start isEmpty. Operand 10370 states and 14191 transitions. [2022-07-12 15:07:38,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-07-12 15:07:38,102 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:07:38,103 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] [2022-07-12 15:07:38,295 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-12 15:07:38,319 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:07:38,320 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)] === [2022-07-12 15:07:38,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:07:38,320 INFO L85 PathProgramCache]: Analyzing trace with hash -218919595, now seen corresponding path program 1 times [2022-07-12 15:07:38,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:07:38,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1247600886] [2022-07-12 15:07:38,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:07:38,338 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:07:38,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:07:38,339 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 15:07:38,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-12 15:07:45,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:07:46,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 5236 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:07:46,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:07:46,560 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-07-12 15:07:46,561 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:07:46,561 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:07:46,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1247600886] [2022-07-12 15:07:46,562 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1247600886] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:07:46,562 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:07:46,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:07:46,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705450601] [2022-07-12 15:07:46,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:07:46,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:07:46,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:07:46,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:07:46,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:07:46,564 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) [2022-07-12 15:07:47,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:07:47,672 INFO L93 Difference]: Finished difference Result 25406 states and 34665 transitions. [2022-07-12 15:07:47,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:07:47,673 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 [2022-07-12 15:07:47,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:07:47,781 INFO L225 Difference]: With dead ends: 25406 [2022-07-12 15:07:47,782 INFO L226 Difference]: Without dead ends: 15053 [2022-07-12 15:07:47,826 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 [2022-07-12 15:07:47,829 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 [2022-07-12 15:07:47,830 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] [2022-07-12 15:07:47,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15053 states. [2022-07-12 15:07:48,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15053 to 15015. [2022-07-12 15:07:48,367 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) [2022-07-12 15:07:48,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15015 states to 15015 states and 20432 transitions. [2022-07-12 15:07:48,456 INFO L78 Accepts]: Start accepts. Automaton has 15015 states and 20432 transitions. Word has length 103 [2022-07-12 15:07:48,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:07:48,457 INFO L495 AbstractCegarLoop]: Abstraction has 15015 states and 20432 transitions. [2022-07-12 15:07:48,457 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) [2022-07-12 15:07:48,457 INFO L276 IsEmpty]: Start isEmpty. Operand 15015 states and 20432 transitions. [2022-07-12 15:07:48,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-07-12 15:07:48,462 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:07:48,462 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] [2022-07-12 15:07:48,645 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-12 15:07:48,683 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:07:48,684 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)] === [2022-07-12 15:07:48,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:07:48,684 INFO L85 PathProgramCache]: Analyzing trace with hash 346365365, now seen corresponding path program 1 times [2022-07-12 15:07:48,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:07:48,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1122479246] [2022-07-12 15:07:48,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:07:48,692 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:07:48,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:07:48,693 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 15:07:48,695 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-12 15:07:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:07:56,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 5300 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:07:56,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:07:56,847 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-07-12 15:07:56,848 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:07:56,848 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:07:56,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1122479246] [2022-07-12 15:07:56,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1122479246] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:07:56,848 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:07:56,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:07:56,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435625921] [2022-07-12 15:07:56,849 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:07:56,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:07:56,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:07:56,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:07:56,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:07:56,851 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) [2022-07-12 15:07:57,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:07:57,992 INFO L93 Difference]: Finished difference Result 43145 states and 58809 transitions. [2022-07-12 15:07:57,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:07:57,993 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 [2022-07-12 15:07:57,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:07:58,161 INFO L225 Difference]: With dead ends: 43145 [2022-07-12 15:07:58,162 INFO L226 Difference]: Without dead ends: 28746 [2022-07-12 15:07:58,237 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 [2022-07-12 15:07:58,238 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 [2022-07-12 15:07:58,239 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] [2022-07-12 15:07:58,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28746 states. [2022-07-12 15:07:59,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28746 to 28740. [2022-07-12 15:07:59,299 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) [2022-07-12 15:07:59,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28740 states to 28740 states and 39131 transitions. [2022-07-12 15:07:59,631 INFO L78 Accepts]: Start accepts. Automaton has 28740 states and 39131 transitions. Word has length 166 [2022-07-12 15:07:59,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:07:59,634 INFO L495 AbstractCegarLoop]: Abstraction has 28740 states and 39131 transitions. [2022-07-12 15:07:59,634 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) [2022-07-12 15:07:59,634 INFO L276 IsEmpty]: Start isEmpty. Operand 28740 states and 39131 transitions. [2022-07-12 15:07:59,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-07-12 15:07:59,638 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:07:59,638 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] [2022-07-12 15:07:59,842 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-12 15:07:59,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:07:59,856 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)] === [2022-07-12 15:07:59,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:07:59,856 INFO L85 PathProgramCache]: Analyzing trace with hash 486913975, now seen corresponding path program 1 times [2022-07-12 15:07:59,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:07:59,942 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2135278496] [2022-07-12 15:07:59,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:07:59,942 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:07:59,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:07:59,944 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 15:07:59,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-12 15:08:07,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:08:07,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 5300 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 15:08:07,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:08:09,331 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2022-07-12 15:08:09,331 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:08:09,331 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:08:09,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2135278496] [2022-07-12 15:08:09,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2135278496] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:08:09,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:08:09,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 15:08:09,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468766052] [2022-07-12 15:08:09,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:08:09,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 15:08:09,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:08:09,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 15:08:09,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 15:08:09,333 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) [2022-07-12 15:08:10,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:08:10,441 INFO L93 Difference]: Finished difference Result 28746 states and 39136 transitions. [2022-07-12 15:08:10,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 15:08:10,442 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 [2022-07-12 15:08:10,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:08:10,574 INFO L225 Difference]: With dead ends: 28746 [2022-07-12 15:08:10,574 INFO L226 Difference]: Without dead ends: 28744 [2022-07-12 15:08:10,685 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-12 15:08:10,686 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 [2022-07-12 15:08:10,687 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] [2022-07-12 15:08:10,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28744 states. [2022-07-12 15:08:11,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28744 to 28744. [2022-07-12 15:08:11,551 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) [2022-07-12 15:08:11,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28744 states to 28744 states and 39134 transitions. [2022-07-12 15:08:11,858 INFO L78 Accepts]: Start accepts. Automaton has 28744 states and 39134 transitions. Word has length 166 [2022-07-12 15:08:11,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:08:11,859 INFO L495 AbstractCegarLoop]: Abstraction has 28744 states and 39134 transitions. [2022-07-12 15:08:11,859 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) [2022-07-12 15:08:11,859 INFO L276 IsEmpty]: Start isEmpty. Operand 28744 states and 39134 transitions. [2022-07-12 15:08:11,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-07-12 15:08:11,863 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:08:11,863 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] [2022-07-12 15:08:12,044 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-12 15:08:12,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:08:12,078 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)] === [2022-07-12 15:08:12,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:08:12,079 INFO L85 PathProgramCache]: Analyzing trace with hash -712533819, now seen corresponding path program 1 times [2022-07-12 15:08:12,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:08:12,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1479478050] [2022-07-12 15:08:12,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:08:12,171 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:08:12,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:08:12,172 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 15:08:12,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-12 15:08:19,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:08:19,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 5307 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 15:08:19,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:08:21,447 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2022-07-12 15:08:21,447 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 15:08:22,405 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2022-07-12 15:08:22,406 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:08:22,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1479478050] [2022-07-12 15:08:22,406 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1479478050] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-12 15:08:22,406 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 15:08:22,406 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-07-12 15:08:22,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992602758] [2022-07-12 15:08:22,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:08:22,407 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 15:08:22,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:08:22,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 15:08:22,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 15:08:22,408 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) [2022-07-12 15:08:23,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:08:23,711 INFO L93 Difference]: Finished difference Result 28750 states and 39139 transitions. [2022-07-12 15:08:23,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-12 15:08:23,712 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 [2022-07-12 15:08:23,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:08:23,849 INFO L225 Difference]: With dead ends: 28750 [2022-07-12 15:08:23,849 INFO L226 Difference]: Without dead ends: 28748 [2022-07-12 15:08:23,877 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 [2022-07-12 15:08:23,878 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, 0.6s IncrementalHoareTripleChecker+Time [2022-07-12 15:08:23,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3270 Valid, 9985 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-12 15:08:23,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28748 states. [2022-07-12 15:08:25,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28748 to 28748. [2022-07-12 15:08:25,050 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) [2022-07-12 15:08:25,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28748 states to 28748 states and 39137 transitions. [2022-07-12 15:08:25,400 INFO L78 Accepts]: Start accepts. Automaton has 28748 states and 39137 transitions. Word has length 171 [2022-07-12 15:08:25,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:08:25,401 INFO L495 AbstractCegarLoop]: Abstraction has 28748 states and 39137 transitions. [2022-07-12 15:08:25,401 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) [2022-07-12 15:08:25,401 INFO L276 IsEmpty]: Start isEmpty. Operand 28748 states and 39137 transitions. [2022-07-12 15:08:25,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-07-12 15:08:25,428 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:08:25,429 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] [2022-07-12 15:08:25,617 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-12 15:08:25,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:08:25,629 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)] === [2022-07-12 15:08:25,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:08:25,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1342916663, now seen corresponding path program 1 times [2022-07-12 15:08:25,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:08:25,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1490380357] [2022-07-12 15:08:25,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:08:25,642 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:08:25,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:08:25,644 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 15:08:25,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-12 15:08:33,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:08:33,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 5314 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 15:08:33,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:08:35,221 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2022-07-12 15:08:35,221 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 15:08:36,152 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2022-07-12 15:08:36,152 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:08:36,152 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1490380357] [2022-07-12 15:08:36,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1490380357] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-12 15:08:36,153 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 15:08:36,153 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-07-12 15:08:36,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592472448] [2022-07-12 15:08:36,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:08:36,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 15:08:36,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:08:36,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 15:08:36,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 15:08:36,154 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) [2022-07-12 15:08:37,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:08:37,823 INFO L93 Difference]: Finished difference Result 56254 states and 76926 transitions. [2022-07-12 15:08:37,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 15:08:37,824 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 [2022-07-12 15:08:37,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:08:38,223 INFO L225 Difference]: With dead ends: 56254 [2022-07-12 15:08:38,223 INFO L226 Difference]: Without dead ends: 56252 [2022-07-12 15:08:38,259 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 [2022-07-12 15:08:38,260 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 [2022-07-12 15:08:38,260 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] [2022-07-12 15:08:38,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56252 states. [2022-07-12 15:08:40,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56252 to 56184. [2022-07-12 15:08:40,232 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) [2022-07-12 15:08:40,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56184 states to 56184 states and 76848 transitions. [2022-07-12 15:08:40,586 INFO L78 Accepts]: Start accepts. Automaton has 56184 states and 76848 transitions. Word has length 176 [2022-07-12 15:08:40,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:08:40,587 INFO L495 AbstractCegarLoop]: Abstraction has 56184 states and 76848 transitions. [2022-07-12 15:08:40,588 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) [2022-07-12 15:08:40,588 INFO L276 IsEmpty]: Start isEmpty. Operand 56184 states and 76848 transitions. [2022-07-12 15:08:40,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-07-12 15:08:40,593 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:08:40,593 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] [2022-07-12 15:08:40,782 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-12 15:08:40,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:08:40,816 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)] === [2022-07-12 15:08:40,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:08:40,816 INFO L85 PathProgramCache]: Analyzing trace with hash 226964325, now seen corresponding path program 1 times [2022-07-12 15:08:40,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:08:40,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [729371496] [2022-07-12 15:08:40,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:08:40,825 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:08:40,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:08:40,827 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 15:08:40,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-12 15:08:48,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:08:49,084 INFO L263 TraceCheckSpWp]: Trace formula consists of 5391 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:08:49,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:08:49,450 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2022-07-12 15:08:49,450 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:08:49,451 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:08:49,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [729371496] [2022-07-12 15:08:49,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [729371496] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:08:49,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:08:49,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:08:49,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947557664] [2022-07-12 15:08:49,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:08:49,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:08:49,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:08:49,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:08:49,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:08:49,453 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) [2022-07-12 15:08:52,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:08:52,297 INFO L93 Difference]: Finished difference Result 132024 states and 180446 transitions. [2022-07-12 15:08:52,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:08:52,298 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 [2022-07-12 15:08:52,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:08:52,664 INFO L225 Difference]: With dead ends: 132024 [2022-07-12 15:08:52,664 INFO L226 Difference]: Without dead ends: 76456 [2022-07-12 15:08:53,048 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 [2022-07-12 15:08:53,049 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 [2022-07-12 15:08:53,049 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] [2022-07-12 15:08:53,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76456 states. [2022-07-12 15:08:55,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76456 to 76344. [2022-07-12 15:08:55,451 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) [2022-07-12 15:08:55,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76344 states to 76344 states and 104024 transitions. [2022-07-12 15:08:55,981 INFO L78 Accepts]: Start accepts. Automaton has 76344 states and 104024 transitions. Word has length 177 [2022-07-12 15:08:55,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:08:55,981 INFO L495 AbstractCegarLoop]: Abstraction has 76344 states and 104024 transitions. [2022-07-12 15:08:55,982 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) [2022-07-12 15:08:55,982 INFO L276 IsEmpty]: Start isEmpty. Operand 76344 states and 104024 transitions. [2022-07-12 15:08:55,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-07-12 15:08:55,987 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:08:55,987 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] [2022-07-12 15:08:56,137 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-12 15:08:56,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:08:56,208 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)] === [2022-07-12 15:08:56,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:08:56,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1377994693, now seen corresponding path program 1 times [2022-07-12 15:08:56,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:08:56,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [930001814] [2022-07-12 15:08:56,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:08:56,217 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:08:56,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:08:56,220 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 15:08:56,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-12 15:09:03,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:09:03,800 INFO L263 TraceCheckSpWp]: Trace formula consists of 5321 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 15:09:03,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:09:05,430 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2022-07-12 15:09:05,430 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 15:09:06,299 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2022-07-12 15:09:06,300 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:09:06,300 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [930001814] [2022-07-12 15:09:06,300 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [930001814] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-12 15:09:06,300 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 15:09:06,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-07-12 15:09:06,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678836802] [2022-07-12 15:09:06,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:09:06,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 15:09:06,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:09:06,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 15:09:06,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-12 15:09:06,407 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) [2022-07-12 15:09:09,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:09:09,934 INFO L93 Difference]: Finished difference Result 152018 states and 209644 transitions. [2022-07-12 15:09:09,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 15:09:09,934 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 [2022-07-12 15:09:09,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:09:10,620 INFO L225 Difference]: With dead ends: 152018 [2022-07-12 15:09:10,620 INFO L226 Difference]: Without dead ends: 152016 [2022-07-12 15:09:10,705 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 [2022-07-12 15:09:10,706 INFO L413 NwaCegarLoop]: 4134 mSDtfsCounter, 3299 mSDsluCounter, 11595 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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 [2022-07-12 15:09:10,708 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] [2022-07-12 15:09:10,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152016 states. [2022-07-12 15:09:15,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152016 to 151976. [2022-07-12 15:09:15,634 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) [2022-07-12 15:09:16,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151976 states to 151976 states and 209605 transitions. [2022-07-12 15:09:16,817 INFO L78 Accepts]: Start accepts. Automaton has 151976 states and 209605 transitions. Word has length 181 [2022-07-12 15:09:16,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 15:09:16,818 INFO L495 AbstractCegarLoop]: Abstraction has 151976 states and 209605 transitions. [2022-07-12 15:09:16,818 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) [2022-07-12 15:09:16,818 INFO L276 IsEmpty]: Start isEmpty. Operand 151976 states and 209605 transitions. [2022-07-12 15:09:16,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-07-12 15:09:16,824 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 15:09:16,824 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 15:09:16,966 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Ended with exit code 0 [2022-07-12 15:09:17,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 15:09:17,044 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)] === [2022-07-12 15:09:17,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 15:09:17,044 INFO L85 PathProgramCache]: Analyzing trace with hash -2129637765, now seen corresponding path program 1 times [2022-07-12 15:09:17,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 15:09:17,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1479885565] [2022-07-12 15:09:17,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 15:09:17,050 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 15:09:17,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 15:09:17,051 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 15:09:17,052 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-12 15:09:24,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 15:09:24,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 5378 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 15:09:24,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 15:09:24,920 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2022-07-12 15:09:24,920 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 15:09:24,920 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 15:09:24,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1479885565] [2022-07-12 15:09:24,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1479885565] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 15:09:24,921 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 15:09:24,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 15:09:24,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165521502] [2022-07-12 15:09:24,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 15:09:24,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 15:09:24,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 15:09:24,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 15:09:24,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:09:24,923 INFO L87 Difference]: Start difference. First operand 151976 states and 209605 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2022-07-12 15:09:32,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 15:09:32,106 INFO L93 Difference]: Finished difference Result 377196 states and 520505 transitions. [2022-07-12 15:09:32,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 15:09:32,107 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 197 [2022-07-12 15:09:32,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 15:09:33,659 INFO L225 Difference]: With dead ends: 377196 [2022-07-12 15:09:33,659 INFO L226 Difference]: Without dead ends: 225836 [2022-07-12 15:09:34,251 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 15:09:34,252 INFO L413 NwaCegarLoop]: 6509 mSDtfsCounter, 3191 mSDsluCounter, 3308 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3191 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 [2022-07-12 15:09:34,252 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3191 Valid, 9817 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-12 15:09:34,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225836 states.