./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.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 08fd1f25b7d22203947cf6c4ad8cac3aedaa56ca5536c5ddc05b18633d46ecf5 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 04:04:32,579 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 04:04:32,582 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 04:04:32,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 04:04:32,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 04:04:32,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 04:04:32,628 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 04:04:32,630 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 04:04:32,632 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 04:04:32,636 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 04:04:32,637 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 04:04:32,639 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 04:04:32,640 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 04:04:32,641 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 04:04:32,642 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 04:04:32,645 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 04:04:32,646 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 04:04:32,648 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 04:04:32,649 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 04:04:32,654 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 04:04:32,656 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 04:04:32,657 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 04:04:32,658 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 04:04:32,658 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 04:04:32,660 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 04:04:32,666 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 04:04:32,667 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 04:04:32,667 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 04:04:32,668 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 04:04:32,668 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 04:04:32,669 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 04:04:32,670 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 04:04:32,671 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 04:04:32,672 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 04:04:32,672 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 04:04:32,673 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 04:04:32,673 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 04:04:32,675 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 04:04:32,675 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 04:04:32,675 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 04:04:32,676 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 04:04:32,678 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 04:04:32,679 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 04:04:32,705 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 04:04:32,706 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 04:04:32,706 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 04:04:32,706 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 04:04:32,707 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 04:04:32,707 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 04:04:32,708 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 04:04:32,708 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 04:04:32,708 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 04:04:32,709 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 04:04:32,709 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 04:04:32,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 04:04:32,709 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 04:04:32,710 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 04:04:32,710 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 04:04:32,710 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 04:04:32,710 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 04:04:32,710 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 04:04:32,710 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 04:04:32,712 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 04:04:32,712 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 04:04:32,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:04:32,712 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 04:04:32,712 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 04:04:32,712 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 04:04:32,713 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 04:04:32,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 04:04:32,713 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 04:04:32,713 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 04:04:32,713 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 04:04:32,713 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08fd1f25b7d22203947cf6c4ad8cac3aedaa56ca5536c5ddc05b18633d46ecf5 [2022-07-14 04:04:32,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 04:04:32,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 04:04:32,974 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 04:04:32,975 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 04:04:32,976 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 04:04:32,977 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i [2022-07-14 04:04:33,038 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e47d49f4/a2f4a401dc7e49d5bc3282e51b45ec0a/FLAG23e5db3b3 [2022-07-14 04:04:33,758 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 04:04:33,759 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i [2022-07-14 04:04:33,807 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e47d49f4/a2f4a401dc7e49d5bc3282e51b45ec0a/FLAG23e5db3b3 [2022-07-14 04:04:34,021 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e47d49f4/a2f4a401dc7e49d5bc3282e51b45ec0a [2022-07-14 04:04:34,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 04:04:34,024 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 04:04:34,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 04:04:34,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 04:04:34,028 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 04:04:34,028 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:04:34" (1/1) ... [2022-07-14 04:04:34,029 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73165bac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:04:34, skipping insertion in model container [2022-07-14 04:04:34,029 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:04:34" (1/1) ... [2022-07-14 04:04:34,034 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 04:04:34,163 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 04:04:36,900 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[470736,470749] [2022-07-14 04:04:36,902 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[470902,470915] [2022-07-14 04:04:36,903 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[471066,471079] [2022-07-14 04:04:36,903 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[471231,471244] [2022-07-14 04:04:36,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:04:36,970 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 04:04:37,121 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:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-14 04:04:37,129 INFO L158 Benchmark]: Toolchain (without parser) took 3104.22ms. Allocated memory was 102.8MB in the beginning and 174.1MB in the end (delta: 71.3MB). Free memory was 69.7MB in the beginning and 98.6MB in the end (delta: -29.0MB). Peak memory consumption was 88.2MB. Max. memory is 16.1GB. [2022-07-14 04:04:37,130 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 102.8MB. Free memory was 57.0MB in the beginning and 57.0MB in the end (delta: 42.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 04:04:37,131 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3101.89ms. Allocated memory was 102.8MB in the beginning and 174.1MB in the end (delta: 71.3MB). Free memory was 69.3MB in the beginning and 98.6MB in the end (delta: -29.3MB). Peak memory consumption was 88.2MB. Max. memory is 16.1GB. [2022-07-14 04:04:37,132 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 57.0MB in the beginning and 57.0MB in the end (delta: 42.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3101.89ms. Allocated memory was 102.8MB in the beginning and 174.1MB in the end (delta: 71.3MB). Free memory was 69.3MB in the beginning and 98.6MB in the end (delta: -29.3MB). Peak memory consumption was 88.2MB. 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.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 08fd1f25b7d22203947cf6c4ad8cac3aedaa56ca5536c5ddc05b18633d46ecf5 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 04:04:38,804 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 04:04:38,807 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 04:04:38,839 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 04:04:38,840 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 04:04:38,841 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 04:04:38,844 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 04:04:38,847 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 04:04:38,848 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 04:04:38,852 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 04:04:38,853 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 04:04:38,855 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 04:04:38,855 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 04:04:38,857 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 04:04:38,857 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 04:04:38,862 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 04:04:38,862 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 04:04:38,864 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 04:04:38,865 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 04:04:38,869 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 04:04:38,870 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 04:04:38,871 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 04:04:38,873 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 04:04:38,873 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 04:04:38,875 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 04:04:38,877 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 04:04:38,877 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 04:04:38,878 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 04:04:38,878 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 04:04:38,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 04:04:38,879 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 04:04:38,879 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 04:04:38,881 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 04:04:38,881 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 04:04:38,882 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 04:04:38,883 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 04:04:38,883 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 04:04:38,883 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 04:04:38,884 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 04:04:38,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 04:04:38,884 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 04:04:38,885 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 04:04:38,892 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 04:04:38,912 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 04:04:38,912 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 04:04:38,912 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 04:04:38,912 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 04:04:38,913 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 04:04:38,913 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 04:04:38,914 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 04:04:38,914 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 04:04:38,925 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 04:04:38,925 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 04:04:38,925 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 04:04:38,925 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 04:04:38,925 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 04:04:38,926 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 04:04:38,926 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 04:04:38,926 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 04:04:38,926 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 04:04:38,926 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 04:04:38,926 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 04:04:38,926 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 04:04:38,927 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 04:04:38,927 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 04:04:38,927 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 04:04:38,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:04:38,927 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 04:04:38,927 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 04:04:38,927 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 04:04:38,928 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 04:04:38,928 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 04:04:38,928 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 04:04:38,928 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 04:04:38,928 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 04:04:38,928 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 04:04:38,929 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08fd1f25b7d22203947cf6c4ad8cac3aedaa56ca5536c5ddc05b18633d46ecf5 [2022-07-14 04:04:39,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 04:04:39,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 04:04:39,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 04:04:39,242 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 04:04:39,242 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 04:04:39,244 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i [2022-07-14 04:04:39,312 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba3606a3d/2a24b71feaca462fb6c01ef1e4dce0af/FLAG90944ac4a [2022-07-14 04:04:40,151 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 04:04:40,152 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i [2022-07-14 04:04:40,232 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba3606a3d/2a24b71feaca462fb6c01ef1e4dce0af/FLAG90944ac4a [2022-07-14 04:04:40,623 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ba3606a3d/2a24b71feaca462fb6c01ef1e4dce0af [2022-07-14 04:04:40,627 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 04:04:40,628 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 04:04:40,629 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 04:04:40,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 04:04:40,632 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 04:04:40,633 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:04:40" (1/1) ... [2022-07-14 04:04:40,634 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25ddabc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:04:40, skipping insertion in model container [2022-07-14 04:04:40,634 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:04:40" (1/1) ... [2022-07-14 04:04:40,639 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 04:04:40,777 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 04:04:43,559 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[470736,470749] [2022-07-14 04:04:43,562 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[470902,470915] [2022-07-14 04:04:43,563 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[471066,471079] [2022-07-14 04:04:43,563 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[471231,471244] [2022-07-14 04:04:43,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:04:43,620 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 04:04:43,740 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 04:04:43,988 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[470736,470749] [2022-07-14 04:04:43,989 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[470902,470915] [2022-07-14 04:04:43,989 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[471066,471079] [2022-07-14 04:04:43,990 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[471231,471244] [2022-07-14 04:04:43,994 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:04:44,013 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 04:04:44,336 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[470736,470749] [2022-07-14 04:04:44,337 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[470902,470915] [2022-07-14 04:04:44,337 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[471066,471079] [2022-07-14 04:04:44,337 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[471231,471244] [2022-07-14 04:04:44,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:04:44,483 INFO L208 MainTranslator]: Completed translation [2022-07-14 04:04:44,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:04:44 WrapperNode [2022-07-14 04:04:44,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 04:04:44,485 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 04:04:44,485 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 04:04:44,503 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 04:04:44,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:04:44" (1/1) ... [2022-07-14 04:04:44,614 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:04:44" (1/1) ... [2022-07-14 04:04:44,815 INFO L137 Inliner]: procedures = 425, calls = 4510, calls flagged for inlining = 226, calls inlined = 200, statements flattened = 9006 [2022-07-14 04:04:44,817 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 04:04:44,818 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 04:04:44,818 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 04:04:44,818 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 04:04:44,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:04:44" (1/1) ... [2022-07-14 04:04:44,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:04:44" (1/1) ... [2022-07-14 04:04:44,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:04:44" (1/1) ... [2022-07-14 04:04:44,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:04:44" (1/1) ... [2022-07-14 04:04:45,086 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:04:44" (1/1) ... [2022-07-14 04:04:45,113 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:04:44" (1/1) ... [2022-07-14 04:04:45,155 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:04:44" (1/1) ... [2022-07-14 04:04:45,190 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 04:04:45,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 04:04:45,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 04:04:45,191 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 04:04:45,192 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:04:44" (1/1) ... [2022-07-14 04:04:45,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:04:45,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 04:04:45,227 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-14 04:04:45,244 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-14 04:04:45,253 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_reset [2022-07-14 04:04:45,253 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_reset [2022-07-14 04:04:45,254 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2022-07-14 04:04:45,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2022-07-14 04:04:45,254 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_stop [2022-07-14 04:04:45,254 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_stop [2022-07-14 04:04:45,254 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_config_parameter_str [2022-07-14 04:04:45,254 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_config_parameter_str [2022-07-14 04:04:45,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 04:04:45,254 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 04:04:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2022-07-14 04:04:45,255 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2022-07-14 04:04:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_pause_rx [2022-07-14 04:04:45,255 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_pause_rx [2022-07-14 04:04:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 04:04:45,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 04:04:45,255 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_tx_fixup [2022-07-14 04:04:45,255 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_tx_fixup [2022-07-14 04:04:45,256 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_bind [2022-07-14 04:04:45,256 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_bind [2022-07-14 04:04:45,256 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_set_multicast_list [2022-07-14 04:04:45,256 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_set_multicast_list [2022-07-14 04:04:45,256 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_purge_paused_rxq [2022-07-14 04:04:45,256 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_purge_paused_rxq [2022-07-14 04:04:45,256 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_unbind [2022-07-14 04:04:45,257 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_unbind [2022-07-14 04:04:45,257 INFO L130 BoogieDeclarations]: Found specification of procedure set_encr_mode [2022-07-14 04:04:45,257 INFO L138 BoogieDeclarations]: Found implementation of procedure set_encr_mode [2022-07-14 04:04:45,257 INFO L130 BoogieDeclarations]: Found specification of procedure get_rndis_wlan_priv [2022-07-14 04:04:45,257 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rndis_wlan_priv [2022-07-14 04:04:45,257 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 04:04:45,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 04:04:45,257 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2022-07-14 04:04:45,258 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2022-07-14 04:04:45,258 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-14 04:04:45,258 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-14 04:04:45,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 04:04:45,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 04:04:45,258 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-14 04:04:45,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-14 04:04:45,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 04:04:45,259 INFO L130 BoogieDeclarations]: Found specification of procedure set_infra_mode [2022-07-14 04:04:45,259 INFO L138 BoogieDeclarations]: Found implementation of procedure set_infra_mode [2022-07-14 04:04:45,259 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_command [2022-07-14 04:04:45,259 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_command [2022-07-14 04:04:45,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-14 04:04:45,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 04:04:45,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 04:04:45,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-14 04:04:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_scan_done [2022-07-14 04:04:45,260 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_scan_done [2022-07-14 04:04:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-14 04:04:45,260 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-14 04:04:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-14 04:04:45,260 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-14 04:04:45,260 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_fill_station_info [2022-07-14 04:04:45,260 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_fill_station_info [2022-07-14 04:04:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure unknown_early_init [2022-07-14 04:04:45,261 INFO L138 BoogieDeclarations]: Found implementation of procedure unknown_early_init [2022-07-14 04:04:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure disassociate [2022-07-14 04:04:45,261 INFO L138 BoogieDeclarations]: Found implementation of procedure disassociate [2022-07-14 04:04:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2022-07-14 04:04:45,261 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2022-07-14 04:04:45,261 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_query_oid [2022-07-14 04:04:45,261 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_query_oid [2022-07-14 04:04:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2022-07-14 04:04:45,262 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2022-07-14 04:04:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 04:04:45,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 04:04:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2022-07-14 04:04:45,262 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2022-07-14 04:04:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_free [2022-07-14 04:04:45,262 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_free [2022-07-14 04:04:45,262 INFO L130 BoogieDeclarations]: Found specification of procedure is_wpa_key [2022-07-14 04:04:45,263 INFO L138 BoogieDeclarations]: Found implementation of procedure is_wpa_key [2022-07-14 04:04:45,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 04:04:45,263 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 04:04:45,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-14 04:04:45,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-14 04:04:45,263 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2022-07-14 04:04:45,263 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2022-07-14 04:04:45,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_command_lock_of_rndis_wlan_private [2022-07-14 04:04:45,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_command_lock_of_rndis_wlan_private [2022-07-14 04:04:45,264 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_check_bssid_list [2022-07-14 04:04:45,264 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_check_bssid_list [2022-07-14 04:04:45,264 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper [2022-07-14 04:04:45,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __toupper [2022-07-14 04:04:45,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 04:04:45,264 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320b_early_init [2022-07-14 04:04:45,264 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320b_early_init [2022-07-14 04:04:45,265 INFO L130 BoogieDeclarations]: Found specification of procedure set_channel [2022-07-14 04:04:45,265 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channel [2022-07-14 04:04:45,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-14 04:04:45,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-14 04:04:45,265 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_status [2022-07-14 04:04:45,265 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_status [2022-07-14 04:04:45,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-14 04:04:45,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-14 04:04:45,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 04:04:45,266 INFO L130 BoogieDeclarations]: Found specification of procedure level_to_qual [2022-07-14 04:04:45,266 INFO L138 BoogieDeclarations]: Found implementation of procedure level_to_qual [2022-07-14 04:04:45,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 04:04:45,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 04:04:45,266 INFO L130 BoogieDeclarations]: Found specification of procedure set_essid [2022-07-14 04:04:45,266 INFO L138 BoogieDeclarations]: Found implementation of procedure set_essid [2022-07-14 04:04:45,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 04:04:45,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-14 04:04:45,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-14 04:04:45,267 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2022-07-14 04:04:45,267 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2022-07-14 04:04:45,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-14 04:04:45,267 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_start_bssid_list_scan [2022-07-14 04:04:45,268 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_start_bssid_list_scan [2022-07-14 04:04:45,268 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2022-07-14 04:04:45,268 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2022-07-14 04:04:45,268 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_copy_module_params [2022-07-14 04:04:45,268 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_copy_module_params [2022-07-14 04:04:45,268 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-14 04:04:45,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-14 04:04:45,268 INFO L130 BoogieDeclarations]: Found specification of procedure set_auth_mode [2022-07-14 04:04:45,269 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auth_mode [2022-07-14 04:04:45,269 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-07-14 04:04:45,269 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-07-14 04:04:45,269 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-14 04:04:45,269 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-14 04:04:45,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-14 04:04:45,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 04:04:45,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 04:04:45,269 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-14 04:04:45,270 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-14 04:04:45,270 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-14 04:04:45,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-14 04:04:45,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-14 04:04:45,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-14 04:04:45,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 04:04:45,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 04:04:45,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-14 04:04:45,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 04:04:45,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 04:04:45,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 04:04:45,271 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2022-07-14 04:04:45,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2022-07-14 04:04:45,271 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-07-14 04:04:45,271 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-07-14 04:04:45,271 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_cipher_to_alg [2022-07-14 04:04:45,271 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_cipher_to_alg [2022-07-14 04:04:45,272 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-14 04:04:45,272 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-14 04:04:45,272 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_channel [2022-07-14 04:04:45,272 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_channel [2022-07-14 04:04:45,272 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-14 04:04:45,272 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-14 04:04:45,272 INFO L130 BoogieDeclarations]: Found specification of procedure add_wep_key [2022-07-14 04:04:45,272 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wep_key [2022-07-14 04:04:45,273 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2022-07-14 04:04:45,273 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2022-07-14 04:04:45,273 INFO L130 BoogieDeclarations]: Found specification of procedure is_broadcast_ether_addr [2022-07-14 04:04:45,273 INFO L138 BoogieDeclarations]: Found implementation of procedure is_broadcast_ether_addr [2022-07-14 04:04:45,273 INFO L130 BoogieDeclarations]: Found specification of procedure set_bssid [2022-07-14 04:04:45,273 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bssid [2022-07-14 04:04:45,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 04:04:45,273 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 04:04:45,273 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-14 04:04:45,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-14 04:04:45,274 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-14 04:04:45,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-14 04:04:45,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 04:04:45,274 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-14 04:04:45,274 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-14 04:04:45,274 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bssid [2022-07-14 04:04:45,274 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bssid [2022-07-14 04:04:45,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 04:04:45,275 INFO L130 BoogieDeclarations]: Found specification of procedure set_device_pmkids [2022-07-14 04:04:45,275 INFO L138 BoogieDeclarations]: Found implementation of procedure set_device_pmkids [2022-07-14 04:04:45,275 INFO L130 BoogieDeclarations]: Found specification of procedure get_device_pmkids [2022-07-14 04:04:45,275 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device_pmkids [2022-07-14 04:04:45,275 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock_bh [2022-07-14 04:04:45,275 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock_bh [2022-07-14 04:04:45,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-14 04:04:45,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-14 04:04:45,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-14 04:04:45,276 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-14 04:04:45,276 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-14 04:04:45,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 04:04:45,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 04:04:45,276 INFO L130 BoogieDeclarations]: Found specification of procedure next_bssid_list_item [2022-07-14 04:04:45,276 INFO L138 BoogieDeclarations]: Found implementation of procedure next_bssid_list_item [2022-07-14 04:04:45,276 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-14 04:04:45,277 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-14 04:04:45,277 INFO L130 BoogieDeclarations]: Found specification of procedure set_priv_filter [2022-07-14 04:04:45,277 INFO L138 BoogieDeclarations]: Found implementation of procedure set_priv_filter [2022-07-14 04:04:45,277 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-14 04:04:45,277 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-14 04:04:45,277 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_wiphy_params [2022-07-14 04:04:45,277 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_wiphy_params [2022-07-14 04:04:45,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 04:04:45,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 04:04:45,278 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-14 04:04:45,278 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-14 04:04:45,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_7_4 [2022-07-14 04:04:45,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_7_4 [2022-07-14 04:04:45,278 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-07-14 04:04:45,278 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-07-14 04:04:45,278 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-14 04:04:45,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-14 04:04:45,278 INFO L130 BoogieDeclarations]: Found specification of procedure oid_to_string [2022-07-14 04:04:45,279 INFO L138 BoogieDeclarations]: Found implementation of procedure oid_to_string [2022-07-14 04:04:45,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-14 04:04:45,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-14 04:04:45,279 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2022-07-14 04:04:45,279 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2022-07-14 04:04:45,279 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 04:04:45,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 04:04:45,279 INFO L130 BoogieDeclarations]: Found specification of procedure deauthenticate [2022-07-14 04:04:45,280 INFO L138 BoogieDeclarations]: Found implementation of procedure deauthenticate [2022-07-14 04:04:45,280 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 04:04:45,280 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 04:04:45,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-14 04:04:45,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-14 04:04:45,280 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320a_early_init [2022-07-14 04:04:45,280 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320a_early_init [2022-07-14 04:04:45,280 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_michael_mic_failure [2022-07-14 04:04:45,280 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_michael_mic_failure [2022-07-14 04:04:45,281 INFO L130 BoogieDeclarations]: Found specification of procedure set_default_iw_params [2022-07-14 04:04:45,281 INFO L138 BoogieDeclarations]: Found implementation of procedure set_default_iw_params [2022-07-14 04:04:45,281 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_error_status [2022-07-14 04:04:45,281 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_error_status [2022-07-14 04:04:45,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-14 04:04:45,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-14 04:04:45,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-14 04:04:45,281 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-14 04:04:45,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 04:04:45,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 04:04:45,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_command_lock_of_rndis_wlan_private [2022-07-14 04:04:45,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_command_lock_of_rndis_wlan_private [2022-07-14 04:04:45,282 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume_rx [2022-07-14 04:04:45,282 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume_rx [2022-07-14 04:04:45,282 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-07-14 04:04:45,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-07-14 04:04:45,283 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-14 04:04:45,283 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-14 04:04:45,283 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcm4320_power_dbm [2022-07-14 04:04:45,283 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcm4320_power_dbm [2022-07-14 04:04:45,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 04:04:45,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 04:04:45,283 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-14 04:04:45,283 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-14 04:04:45,283 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_rx_fixup [2022-07-14 04:04:45,284 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_rx_fixup [2022-07-14 04:04:45,284 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_oid [2022-07-14 04:04:45,284 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_oid [2022-07-14 04:04:45,284 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_indication [2022-07-14 04:04:45,284 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_indication [2022-07-14 04:04:45,284 INFO L130 BoogieDeclarations]: Found specification of procedure get_bssid [2022-07-14 04:04:45,284 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bssid [2022-07-14 04:04:45,284 INFO L130 BoogieDeclarations]: Found specification of procedure is_associated [2022-07-14 04:04:45,285 INFO L138 BoogieDeclarations]: Found implementation of procedure is_associated [2022-07-14 04:04:45,285 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-07-14 04:04:45,285 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-14 04:04:45,285 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-14 04:04:45,285 INFO L130 BoogieDeclarations]: Found specification of procedure debug_print_pmkids [2022-07-14 04:04:45,285 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_print_pmkids [2022-07-14 04:04:45,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-14 04:04:45,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-14 04:04:46,117 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 04:04:46,119 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 04:04:52,603 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 04:06:58,903 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-14 04:07:04,027 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 04:07:04,048 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 04:07:04,049 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-14 04:07:04,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:07:04 BoogieIcfgContainer [2022-07-14 04:07:04,052 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 04:07:04,055 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 04:07:04,055 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 04:07:04,057 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 04:07:04,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 04:04:40" (1/3) ... [2022-07-14 04:07:04,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6db2103c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:07:04, skipping insertion in model container [2022-07-14 04:07:04,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:04:44" (2/3) ... [2022-07-14 04:07:04,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6db2103c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:07:04, skipping insertion in model container [2022-07-14 04:07:04,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:07:04" (3/3) ... [2022-07-14 04:07:04,063 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i [2022-07-14 04:07:04,072 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 04:07:04,073 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-14 04:07:04,166 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 04:07:04,175 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@566d79c8, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@662b291e [2022-07-14 04:07:04,175 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-14 04:07:04,186 INFO L276 IsEmpty]: Start isEmpty. Operand has 2653 states, 1855 states have (on average 1.3067385444743935) internal successors, (2424), 1859 states have internal predecessors, (2424), 680 states have call successors, (680), 116 states have call predecessors, (680), 115 states have return successors, (672), 672 states have call predecessors, (672), 672 states have call successors, (672) [2022-07-14 04:07:04,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2022-07-14 04:07:04,218 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:07:04,219 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:07:04,219 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 1 more)] === [2022-07-14 04:07:04,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:07:04,223 INFO L85 PathProgramCache]: Analyzing trace with hash 972719217, now seen corresponding path program 1 times [2022-07-14 04:07:04,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:07:04,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1729423966] [2022-07-14 04:07:04,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:07:04,238 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:07:04,239 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:07:04,266 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 04:07:04,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-14 04:07:08,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:08,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 4040 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:07:08,404 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:07:09,354 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5670 trivial. 0 not checked. [2022-07-14 04:07:09,354 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:07:09,355 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:07:09,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1729423966] [2022-07-14 04:07:09,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1729423966] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:07:09,355 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:07:09,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:07:09,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811640769] [2022-07-14 04:07:09,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:07:09,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:07:09,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:07:09,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:07:09,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:07:09,388 INFO L87 Difference]: Start difference. First operand has 2653 states, 1855 states have (on average 1.3067385444743935) internal successors, (2424), 1859 states have internal predecessors, (2424), 680 states have call successors, (680), 116 states have call predecessors, (680), 115 states have return successors, (672), 672 states have call predecessors, (672), 672 states have call successors, (672) Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-07-14 04:07:11,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:07:11,053 INFO L93 Difference]: Finished difference Result 7684 states and 11267 transitions. [2022-07-14 04:07:11,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:07:11,056 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 430 [2022-07-14 04:07:11,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:07:11,095 INFO L225 Difference]: With dead ends: 7684 [2022-07-14 04:07:11,095 INFO L226 Difference]: Without dead ends: 5096 [2022-07-14 04:07:11,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 429 GetRequests, 428 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:07:11,127 INFO L413 NwaCegarLoop]: 4377 mSDtfsCounter, 3522 mSDsluCounter, 3692 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3522 SdHoareTripleChecker+Valid, 8069 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-14 04:07:11,128 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3522 Valid, 8069 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-14 04:07:11,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5096 states. [2022-07-14 04:07:11,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5096 to 5092. [2022-07-14 04:07:11,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5092 states, 3585 states have (on average 1.306555090655509) internal successors, (4684), 3592 states have internal predecessors, (4684), 1278 states have call successors, (1278), 227 states have call predecessors, (1278), 226 states have return successors, (1274), 1274 states have call predecessors, (1274), 1274 states have call successors, (1274) [2022-07-14 04:07:11,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5092 states to 5092 states and 7236 transitions. [2022-07-14 04:07:11,524 INFO L78 Accepts]: Start accepts. Automaton has 5092 states and 7236 transitions. Word has length 430 [2022-07-14 04:07:11,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:07:11,526 INFO L495 AbstractCegarLoop]: Abstraction has 5092 states and 7236 transitions. [2022-07-14 04:07:11,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-07-14 04:07:11,527 INFO L276 IsEmpty]: Start isEmpty. Operand 5092 states and 7236 transitions. [2022-07-14 04:07:11,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 452 [2022-07-14 04:07:11,537 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:07:11,538 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:07:11,617 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-14 04:07:11,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:07:11,752 INFO L420 AbstractCegarLoop]: === Iteration 2 === 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 1 more)] === [2022-07-14 04:07:11,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:07:11,753 INFO L85 PathProgramCache]: Analyzing trace with hash 917712089, now seen corresponding path program 1 times [2022-07-14 04:07:11,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:07:11,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1329114418] [2022-07-14 04:07:11,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:07:11,758 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:07:11,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:07:11,759 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 04:07:11,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-14 04:07:15,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:15,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 4281 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:07:15,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:07:16,211 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2022-07-14 04:07:16,211 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:07:16,211 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:07:16,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1329114418] [2022-07-14 04:07:16,216 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1329114418] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:07:16,216 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:07:16,216 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:07:16,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998027565] [2022-07-14 04:07:16,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:07:16,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:07:16,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:07:16,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:07:16,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:07:16,219 INFO L87 Difference]: Start difference. First operand 5092 states and 7236 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-07-14 04:07:18,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:07:18,044 INFO L93 Difference]: Finished difference Result 12524 states and 17775 transitions. [2022-07-14 04:07:18,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:07:18,045 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 451 [2022-07-14 04:07:18,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:07:18,100 INFO L225 Difference]: With dead ends: 12524 [2022-07-14 04:07:18,100 INFO L226 Difference]: Without dead ends: 7509 [2022-07-14 04:07:18,127 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 450 GetRequests, 449 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:07:18,129 INFO L413 NwaCegarLoop]: 4357 mSDtfsCounter, 3495 mSDsluCounter, 3684 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3495 SdHoareTripleChecker+Valid, 8041 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-14 04:07:18,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3495 Valid, 8041 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-14 04:07:18,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7509 states. [2022-07-14 04:07:18,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7509 to 7490. [2022-07-14 04:07:18,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7490 states, 5289 states have (on average 1.3055397995840423) internal successors, (6905), 5302 states have internal predecessors, (6905), 1856 states have call successors, (1856), 343 states have call predecessors, (1856), 342 states have return successors, (1852), 1847 states have call predecessors, (1852), 1852 states have call successors, (1852) [2022-07-14 04:07:18,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7490 states to 7490 states and 10613 transitions. [2022-07-14 04:07:18,441 INFO L78 Accepts]: Start accepts. Automaton has 7490 states and 10613 transitions. Word has length 451 [2022-07-14 04:07:18,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:07:18,443 INFO L495 AbstractCegarLoop]: Abstraction has 7490 states and 10613 transitions. [2022-07-14 04:07:18,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-07-14 04:07:18,444 INFO L276 IsEmpty]: Start isEmpty. Operand 7490 states and 10613 transitions. [2022-07-14 04:07:18,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2022-07-14 04:07:18,452 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:07:18,453 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:07:18,530 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-14 04:07:18,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:07:18,680 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 1 more)] === [2022-07-14 04:07:18,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:07:18,680 INFO L85 PathProgramCache]: Analyzing trace with hash 1058463004, now seen corresponding path program 1 times [2022-07-14 04:07:18,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:07:18,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [709861908] [2022-07-14 04:07:18,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:07:18,689 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:07:18,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:07:18,690 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 04:07:18,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-14 04:07:22,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:22,392 INFO L263 TraceCheckSpWp]: Trace formula consists of 4283 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:07:22,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:07:23,020 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2022-07-14 04:07:23,021 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:07:23,021 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:07:23,021 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [709861908] [2022-07-14 04:07:23,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [709861908] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:07:23,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:07:23,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:07:23,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142599703] [2022-07-14 04:07:23,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:07:23,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:07:23,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:07:23,022 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:07:23,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:07:23,022 INFO L87 Difference]: Start difference. First operand 7490 states and 10613 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, (47), 3 states have call predecessors, (47), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-07-14 04:07:24,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:07:24,958 INFO L93 Difference]: Finished difference Result 19722 states and 27920 transitions. [2022-07-14 04:07:24,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:07:24,959 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, (47), 3 states have call predecessors, (47), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 453 [2022-07-14 04:07:24,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:07:25,030 INFO L225 Difference]: With dead ends: 19722 [2022-07-14 04:07:25,031 INFO L226 Difference]: Without dead ends: 12309 [2022-07-14 04:07:25,065 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 452 GetRequests, 451 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:07:25,068 INFO L413 NwaCegarLoop]: 4428 mSDtfsCounter, 3495 mSDsluCounter, 3686 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3495 SdHoareTripleChecker+Valid, 8114 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-14 04:07:25,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3495 Valid, 8114 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-14 04:07:25,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12309 states. [2022-07-14 04:07:25,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12309 to 12286. [2022-07-14 04:07:25,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12286 states, 8697 states have (on average 1.3047027710704842) internal successors, (11347), 8722 states have internal predecessors, (11347), 3012 states have call successors, (3012), 575 states have call predecessors, (3012), 574 states have return successors, (3008), 2993 states have call predecessors, (3008), 3008 states have call successors, (3008) [2022-07-14 04:07:25,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12286 states to 12286 states and 17367 transitions. [2022-07-14 04:07:25,535 INFO L78 Accepts]: Start accepts. Automaton has 12286 states and 17367 transitions. Word has length 453 [2022-07-14 04:07:25,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:07:25,537 INFO L495 AbstractCegarLoop]: Abstraction has 12286 states and 17367 transitions. [2022-07-14 04:07:25,537 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, (47), 3 states have call predecessors, (47), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-07-14 04:07:25,537 INFO L276 IsEmpty]: Start isEmpty. Operand 12286 states and 17367 transitions. [2022-07-14 04:07:25,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 453 [2022-07-14 04:07:25,545 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:07:25,546 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:07:25,641 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-14 04:07:25,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:07:25,768 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 1 more)] === [2022-07-14 04:07:25,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:07:25,768 INFO L85 PathProgramCache]: Analyzing trace with hash -181016849, now seen corresponding path program 1 times [2022-07-14 04:07:25,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:07:25,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1083648146] [2022-07-14 04:07:25,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:07:25,773 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:07:25,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:07:25,774 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 04:07:25,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-14 04:07:29,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:29,404 INFO L263 TraceCheckSpWp]: Trace formula consists of 4282 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:07:29,411 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:07:30,015 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2022-07-14 04:07:30,015 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:07:30,016 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:07:30,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1083648146] [2022-07-14 04:07:30,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1083648146] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:07:30,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:07:30,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:07:30,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328686625] [2022-07-14 04:07:30,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:07:30,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:07:30,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:07:30,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:07:30,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:07:30,017 INFO L87 Difference]: Start difference. First operand 12286 states and 17367 transitions. Second operand has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-07-14 04:07:32,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:07:32,155 INFO L93 Difference]: Finished difference Result 33550 states and 47428 transitions. [2022-07-14 04:07:32,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:07:32,156 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 452 [2022-07-14 04:07:32,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:07:32,266 INFO L225 Difference]: With dead ends: 33550 [2022-07-14 04:07:32,266 INFO L226 Difference]: Without dead ends: 21341 [2022-07-14 04:07:32,318 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 450 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:07:32,321 INFO L413 NwaCegarLoop]: 4793 mSDtfsCounter, 3495 mSDsluCounter, 3685 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3495 SdHoareTripleChecker+Valid, 8478 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-14 04:07:32,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3495 Valid, 8478 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-14 04:07:32,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21341 states. [2022-07-14 04:07:33,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21341 to 21320. [2022-07-14 04:07:33,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21320 states, 15117 states have (on average 1.304690084011378) internal successors, (19723), 15166 states have internal predecessors, (19723), 5192 states have call successors, (5192), 1009 states have call predecessors, (5192), 1008 states have return successors, (5188), 5153 states have call predecessors, (5188), 5188 states have call successors, (5188) [2022-07-14 04:07:33,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21320 states to 21320 states and 30103 transitions. [2022-07-14 04:07:33,361 INFO L78 Accepts]: Start accepts. Automaton has 21320 states and 30103 transitions. Word has length 452 [2022-07-14 04:07:33,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:07:33,363 INFO L495 AbstractCegarLoop]: Abstraction has 21320 states and 30103 transitions. [2022-07-14 04:07:33,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2022-07-14 04:07:33,364 INFO L276 IsEmpty]: Start isEmpty. Operand 21320 states and 30103 transitions. [2022-07-14 04:07:33,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2022-07-14 04:07:33,368 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:07:33,369 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:07:33,451 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-14 04:07:33,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:07:33,596 INFO L420 AbstractCegarLoop]: === Iteration 5 === 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 1 more)] === [2022-07-14 04:07:33,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:07:33,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1137359935, now seen corresponding path program 1 times [2022-07-14 04:07:33,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:07:33,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2079659377] [2022-07-14 04:07:33,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:07:33,601 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:07:33,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:07:33,606 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 04:07:33,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-14 04:07:37,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:37,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 4204 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:07:37,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:07:38,432 INFO L134 CoverageAnalysis]: Checked inductivity of 5781 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5673 trivial. 0 not checked. [2022-07-14 04:07:38,432 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:07:38,432 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:07:38,433 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2079659377] [2022-07-14 04:07:38,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2079659377] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:07:38,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:07:38,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:07:38,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789022104] [2022-07-14 04:07:38,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:07:38,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:07:38,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:07:38,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:07:38,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:07:38,435 INFO L87 Difference]: Start difference. First operand 21320 states and 30103 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (45), 3 states have call predecessors, (45), 3 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2022-07-14 04:07:40,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:07:40,513 INFO L93 Difference]: Finished difference Result 62172 states and 87826 transitions. [2022-07-14 04:07:40,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:07:40,514 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (45), 3 states have call predecessors, (45), 3 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) Word has length 457 [2022-07-14 04:07:40,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:07:40,880 INFO L225 Difference]: With dead ends: 62172 [2022-07-14 04:07:40,880 INFO L226 Difference]: Without dead ends: 40929 [2022-07-14 04:07:41,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 456 GetRequests, 455 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:07:41,042 INFO L413 NwaCegarLoop]: 4620 mSDtfsCounter, 3443 mSDsluCounter, 3702 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3443 SdHoareTripleChecker+Valid, 8322 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-14 04:07:41,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3443 Valid, 8322 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-14 04:07:41,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40929 states. [2022-07-14 04:07:42,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40929 to 40894. [2022-07-14 04:07:42,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40894 states, 29052 states have (on average 1.3046261875258158) internal successors, (37902), 29166 states have internal predecessors, (37902), 9902 states have call successors, (9902), 1938 states have call predecessors, (9902), 1937 states have return successors, (9898), 9807 states have call predecessors, (9898), 9898 states have call successors, (9898) [2022-07-14 04:07:42,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40894 states to 40894 states and 57702 transitions. [2022-07-14 04:07:42,611 INFO L78 Accepts]: Start accepts. Automaton has 40894 states and 57702 transitions. Word has length 457 [2022-07-14 04:07:42,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:07:42,613 INFO L495 AbstractCegarLoop]: Abstraction has 40894 states and 57702 transitions. [2022-07-14 04:07:42,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 3 states have call successors, (45), 3 states have call predecessors, (45), 3 states have return successors, (41), 3 states have call predecessors, (41), 3 states have call successors, (41) [2022-07-14 04:07:42,613 INFO L276 IsEmpty]: Start isEmpty. Operand 40894 states and 57702 transitions. [2022-07-14 04:07:42,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2022-07-14 04:07:42,621 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:07:42,621 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:07:42,730 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-14 04:07:42,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:07:42,836 INFO L420 AbstractCegarLoop]: === Iteration 6 === 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 1 more)] === [2022-07-14 04:07:42,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:07:42,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1230218159, now seen corresponding path program 1 times [2022-07-14 04:07:42,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:07:42,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1304554219] [2022-07-14 04:07:42,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:07:42,840 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:07:42,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:07:42,842 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 04:07:42,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-14 04:07:46,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:46,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 4336 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:07:46,833 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:07:47,716 INFO L134 CoverageAnalysis]: Checked inductivity of 5784 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5676 trivial. 0 not checked. [2022-07-14 04:07:47,716 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:07:47,716 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:07:47,717 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1304554219] [2022-07-14 04:07:47,717 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1304554219] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:07:47,717 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:07:47,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:07:47,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510543530] [2022-07-14 04:07:47,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:07:47,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:07:47,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:07:47,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:07:47,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:07:47,720 INFO L87 Difference]: Start difference. First operand 40894 states and 57702 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-07-14 04:07:51,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:07:51,352 INFO L93 Difference]: Finished difference Result 98834 states and 138403 transitions. [2022-07-14 04:07:51,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:07:51,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) Word has length 472 [2022-07-14 04:07:51,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:07:51,628 INFO L225 Difference]: With dead ends: 98834 [2022-07-14 04:07:51,629 INFO L226 Difference]: Without dead ends: 58017 [2022-07-14 04:07:51,759 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 471 GetRequests, 470 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:07:51,760 INFO L413 NwaCegarLoop]: 4277 mSDtfsCounter, 2046 mSDsluCounter, 3651 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2046 SdHoareTripleChecker+Valid, 7928 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-14 04:07:51,761 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2046 Valid, 7928 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-14 04:07:51,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58017 states. [2022-07-14 04:07:53,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58017 to 57968. [2022-07-14 04:07:53,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57968 states, 41470 states have (on average 1.2961417892452376) internal successors, (53751), 41706 states have internal predecessors, (53751), 13428 states have call successors, (13428), 3068 states have call predecessors, (13428), 3067 states have return successors, (13424), 13209 states have call predecessors, (13424), 13424 states have call successors, (13424) [2022-07-14 04:07:53,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57968 states to 57968 states and 80603 transitions. [2022-07-14 04:07:53,773 INFO L78 Accepts]: Start accepts. Automaton has 57968 states and 80603 transitions. Word has length 472 [2022-07-14 04:07:53,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:07:53,774 INFO L495 AbstractCegarLoop]: Abstraction has 57968 states and 80603 transitions. [2022-07-14 04:07:53,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 3 states have call successors, (49), 3 states have call predecessors, (49), 3 states have return successors, (44), 3 states have call predecessors, (44), 3 states have call successors, (44) [2022-07-14 04:07:53,775 INFO L276 IsEmpty]: Start isEmpty. Operand 57968 states and 80603 transitions. [2022-07-14 04:07:53,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2022-07-14 04:07:53,780 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:07:53,781 INFO L195 NwaCegarLoop]: trace histogram [38, 38, 36, 36, 36, 36, 36, 36, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:07:53,888 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-14 04:07:53,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:07:54,001 INFO L420 AbstractCegarLoop]: === Iteration 7 === 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 1 more)] === [2022-07-14 04:07:54,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:07:54,001 INFO L85 PathProgramCache]: Analyzing trace with hash -1257194897, now seen corresponding path program 1 times [2022-07-14 04:07:54,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:07:54,005 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2069670236] [2022-07-14 04:07:54,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:07:54,005 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:07:54,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:07:54,007 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 04:07:54,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-14 04:07:57,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:07:57,866 INFO L263 TraceCheckSpWp]: Trace formula consists of 4245 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:07:57,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:07:58,681 INFO L134 CoverageAnalysis]: Checked inductivity of 5903 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 5673 trivial. 0 not checked. [2022-07-14 04:07:58,681 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:07:58,681 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:07:58,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2069670236] [2022-07-14 04:07:58,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2069670236] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:07:58,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:07:58,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:07:58,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211991287] [2022-07-14 04:07:58,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:07:58,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:07:58,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:07:58,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:07:58,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:07:58,683 INFO L87 Difference]: Start difference. First operand 57968 states and 80603 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-14 04:08:01,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:08:01,281 INFO L93 Difference]: Finished difference Result 171407 states and 238620 transitions. [2022-07-14 04:08:01,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:08:01,282 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 484 [2022-07-14 04:08:01,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:08:01,976 INFO L225 Difference]: With dead ends: 171407 [2022-07-14 04:08:01,977 INFO L226 Difference]: Without dead ends: 113516 [2022-07-14 04:08:02,132 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 483 GetRequests, 482 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:08:02,133 INFO L413 NwaCegarLoop]: 7073 mSDtfsCounter, 3598 mSDsluCounter, 3721 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3598 SdHoareTripleChecker+Valid, 10794 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-14 04:08:02,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3598 Valid, 10794 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-14 04:08:02,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113516 states. [2022-07-14 04:08:05,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113516 to 113437. [2022-07-14 04:08:05,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113437 states, 81049 states have (on average 1.2971905884094808) internal successors, (105136), 81515 states have internal predecessors, (105136), 26410 states have call successors, (26410), 6008 states have call predecessors, (26410), 5975 states have return successors, (26406), 25945 states have call predecessors, (26406), 26406 states have call successors, (26406) [2022-07-14 04:08:06,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113437 states to 113437 states and 157952 transitions. [2022-07-14 04:08:06,229 INFO L78 Accepts]: Start accepts. Automaton has 113437 states and 157952 transitions. Word has length 484 [2022-07-14 04:08:06,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:08:06,230 INFO L495 AbstractCegarLoop]: Abstraction has 113437 states and 157952 transitions. [2022-07-14 04:08:06,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 3 states have call successors, (47), 3 states have call predecessors, (47), 3 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-14 04:08:06,230 INFO L276 IsEmpty]: Start isEmpty. Operand 113437 states and 157952 transitions. [2022-07-14 04:08:06,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2022-07-14 04:08:06,241 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:08:06,241 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:08:06,322 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-14 04:08:06,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:08:06,456 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 1 more)] === [2022-07-14 04:08:06,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:08:06,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1848482839, now seen corresponding path program 1 times [2022-07-14 04:08:06,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:08:06,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1559263283] [2022-07-14 04:08:06,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:08:06,459 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:08:06,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:08:06,461 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 04:08:06,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-14 04:08:09,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:09,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 4172 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:08:09,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:08:10,765 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 6015 trivial. 0 not checked. [2022-07-14 04:08:10,765 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:08:10,765 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:08:10,765 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1559263283] [2022-07-14 04:08:10,765 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1559263283] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:08:10,765 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:08:10,765 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:08:10,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335123674] [2022-07-14 04:08:10,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:08:10,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:08:10,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:08:10,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:08:10,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:08:10,767 INFO L87 Difference]: Start difference. First operand 113437 states and 157952 transitions. Second operand has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-07-14 04:08:17,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:08:17,192 INFO L93 Difference]: Finished difference Result 334738 states and 466499 transitions. [2022-07-14 04:08:17,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:08:17,193 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 493 [2022-07-14 04:08:17,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:08:18,710 INFO L225 Difference]: With dead ends: 334738 [2022-07-14 04:08:18,711 INFO L226 Difference]: Without dead ends: 221593 [2022-07-14 04:08:19,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 492 GetRequests, 491 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:08:19,060 INFO L413 NwaCegarLoop]: 7219 mSDtfsCounter, 3481 mSDsluCounter, 3698 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3481 SdHoareTripleChecker+Valid, 10917 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-14 04:08:19,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3481 Valid, 10917 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-14 04:08:19,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221593 states. [2022-07-14 04:08:25,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221593 to 221589. [2022-07-14 04:08:26,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221589 states, 158645 states have (on average 1.2969838318257745) internal successors, (205760), 159175 states have internal predecessors, (205760), 51226 states have call successors, (51226), 11748 states have call predecessors, (51226), 11715 states have return successors, (51222), 50729 states have call predecessors, (51222), 51222 states have call successors, (51222) [2022-07-14 04:08:27,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221589 states to 221589 states and 308208 transitions. [2022-07-14 04:08:27,747 INFO L78 Accepts]: Start accepts. Automaton has 221589 states and 308208 transitions. Word has length 493 [2022-07-14 04:08:27,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:08:27,749 INFO L495 AbstractCegarLoop]: Abstraction has 221589 states and 308208 transitions. [2022-07-14 04:08:27,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.666666666666664) internal successors, (107), 3 states have internal predecessors, (107), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-07-14 04:08:27,750 INFO L276 IsEmpty]: Start isEmpty. Operand 221589 states and 308208 transitions. [2022-07-14 04:08:27,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2022-07-14 04:08:27,759 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:08:27,759 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:08:27,838 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-07-14 04:08:27,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:08:27,970 INFO L420 AbstractCegarLoop]: === Iteration 9 === 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 1 more)] === [2022-07-14 04:08:27,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:08:27,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1146882965, now seen corresponding path program 1 times [2022-07-14 04:08:27,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:08:27,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [239591821] [2022-07-14 04:08:27,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:08:27,974 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:08:27,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:08:27,975 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 04:08:27,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-14 04:08:31,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:08:31,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 4172 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:08:31,257 INFO L286 TraceCheckSpWp]: Computing forward predicates...