./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 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-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-?-6c24879 [2022-07-12 16:22:50,819 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 16:22:50,820 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 16:22:50,840 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 16:22:50,841 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 16:22:50,842 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 16:22:50,843 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 16:22:50,844 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 16:22:50,845 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 16:22:50,845 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 16:22:50,846 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 16:22:50,849 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 16:22:50,849 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 16:22:50,853 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 16:22:50,854 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 16:22:50,855 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 16:22:50,856 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 16:22:50,858 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 16:22:50,859 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 16:22:50,866 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 16:22:50,868 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 16:22:50,869 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 16:22:50,869 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 16:22:50,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 16:22:50,871 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 16:22:50,877 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 16:22:50,878 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 16:22:50,878 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 16:22:50,879 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 16:22:50,880 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 16:22:50,881 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 16:22:50,881 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 16:22:50,882 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 16:22:50,883 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 16:22:50,884 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 16:22:50,884 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 16:22:50,884 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 16:22:50,885 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 16:22:50,885 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 16:22:50,885 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 16:22:50,887 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 16:22:50,889 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 16:22:50,890 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 16:22:50,918 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 16:22:50,919 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 16:22:50,919 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 16:22:50,919 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 16:22:50,920 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 16:22:50,920 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 16:22:50,921 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 16:22:50,921 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 16:22:50,921 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 16:22:50,922 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 16:22:50,922 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 16:22:50,922 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 16:22:50,922 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 16:22:50,923 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 16:22:50,923 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 16:22:50,923 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 16:22:50,923 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 16:22:50,923 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 16:22:50,925 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 16:22:50,925 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 16:22:50,925 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 16:22:50,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:22:50,926 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 16:22:50,926 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 16:22:50,926 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 16:22:50,926 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 16:22:50,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 16:22:50,926 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 16:22:50,927 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 16:22:50,927 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 16:22:50,927 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08fd1f25b7d22203947cf6c4ad8cac3aedaa56ca5536c5ddc05b18633d46ecf5 [2022-07-12 16:22:51,150 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 16:22:51,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 16:22:51,184 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 16:22:51,185 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 16:22:51,186 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 16:22:51,187 INFO L432 ainManager$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 [2022-07-12 16:22:51,256 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9350f671/3dfda7666683445095517497537fae00/FLAG495f99963 [2022-07-12 16:22:52,047 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 16:22:52,047 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 [2022-07-12 16:22:52,111 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9350f671/3dfda7666683445095517497537fae00/FLAG495f99963 [2022-07-12 16:22:52,268 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9350f671/3dfda7666683445095517497537fae00 [2022-07-12 16:22:52,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 16:22:52,271 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 16:22:52,273 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 16:22:52,273 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 16:22:52,275 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 16:22:52,276 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:22:52" (1/1) ... [2022-07-12 16:22:52,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38b0f7e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:22:52, skipping insertion in model container [2022-07-12 16:22:52,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:22:52" (1/1) ... [2022-07-12 16:22:52,282 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 16:22:52,395 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 16:22:55,243 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] [2022-07-12 16:22:55,245 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] [2022-07-12 16:22:55,246 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] [2022-07-12 16:22:55,247 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] [2022-07-12 16:22:55,259 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:22:55,307 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 16:22:55,462 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) [2022-07-12 16:22:55,468 INFO L158 Benchmark]: Toolchain (without parser) took 3194.94ms. Allocated memory was 94.4MB in the beginning and 192.9MB in the end (delta: 98.6MB). Free memory was 63.8MB in the beginning and 119.6MB in the end (delta: -55.8MB). Peak memory consumption was 90.4MB. Max. memory is 16.1GB. [2022-07-12 16:22:55,468 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 94.4MB. Free memory was 50.0MB in the beginning and 49.9MB in the end (delta: 38.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 16:22:55,469 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3192.55ms. Allocated memory was 94.4MB in the beginning and 192.9MB in the end (delta: 98.6MB). Free memory was 63.6MB in the beginning and 119.6MB in the end (delta: -56.1MB). Peak memory consumption was 90.4MB. Max. memory is 16.1GB. [2022-07-12 16:22:55,471 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 94.4MB. Free memory was 50.0MB in the beginning and 49.9MB in the end (delta: 38.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3192.55ms. Allocated memory was 94.4MB in the beginning and 192.9MB in the end (delta: 98.6MB). Free memory was 63.6MB in the beginning and 119.6MB in the end (delta: -56.1MB). Peak memory consumption was 90.4MB. 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-?-6c24879 [2022-07-12 16:22:56,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 16:22:56,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 16:22:57,026 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 16:22:57,029 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 16:22:57,031 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 16:22:57,036 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 16:22:57,039 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 16:22:57,041 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 16:22:57,045 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 16:22:57,046 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 16:22:57,050 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 16:22:57,051 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 16:22:57,053 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 16:22:57,055 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 16:22:57,056 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 16:22:57,057 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 16:22:57,058 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 16:22:57,061 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 16:22:57,066 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 16:22:57,068 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 16:22:57,068 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 16:22:57,070 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 16:22:57,070 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 16:22:57,072 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 16:22:57,077 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 16:22:57,077 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 16:22:57,077 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 16:22:57,078 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 16:22:57,078 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 16:22:57,079 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 16:22:57,079 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 16:22:57,081 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 16:22:57,081 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 16:22:57,083 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 16:22:57,083 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 16:22:57,084 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 16:22:57,084 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 16:22:57,084 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 16:22:57,085 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 16:22:57,085 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 16:22:57,087 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 16:22:57,093 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 16:22:57,124 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 16:22:57,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 16:22:57,125 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 16:22:57,125 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 16:22:57,125 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 16:22:57,126 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 16:22:57,126 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 16:22:57,126 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 16:22:57,127 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 16:22:57,127 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 16:22:57,127 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 16:22:57,128 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 16:22:57,128 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 16:22:57,128 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 16:22:57,128 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 16:22:57,128 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 16:22:57,129 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 16:22:57,129 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 16:22:57,129 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 16:22:57,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 16:22:57,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 16:22:57,130 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 16:22:57,130 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 16:22:57,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:22:57,130 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 16:22:57,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 16:22:57,130 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 16:22:57,131 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 16:22:57,131 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 16:22:57,131 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 16:22:57,131 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 16:22:57,131 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 16:22:57,132 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 16:22:57,132 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08fd1f25b7d22203947cf6c4ad8cac3aedaa56ca5536c5ddc05b18633d46ecf5 [2022-07-12 16:22:57,390 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 16:22:57,406 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 16:22:57,408 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 16:22:57,409 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 16:22:57,411 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 16:22:57,412 INFO L432 ainManager$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 [2022-07-12 16:22:57,471 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c4019969/4f4357af0cb748f3b6c66c91c39e10ea/FLAG87f20aec7 [2022-07-12 16:22:58,178 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 16:22:58,178 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 [2022-07-12 16:22:58,238 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c4019969/4f4357af0cb748f3b6c66c91c39e10ea/FLAG87f20aec7 [2022-07-12 16:22:58,507 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c4019969/4f4357af0cb748f3b6c66c91c39e10ea [2022-07-12 16:22:58,508 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 16:22:58,509 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 16:22:58,512 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 16:22:58,512 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 16:22:58,514 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 16:22:58,515 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:22:58" (1/1) ... [2022-07-12 16:22:58,515 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ea9497b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:22:58, skipping insertion in model container [2022-07-12 16:22:58,516 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:22:58" (1/1) ... [2022-07-12 16:22:58,521 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 16:22:58,660 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 16:23:01,466 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[470736,470749] [2022-07-12 16:23:01,468 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] [2022-07-12 16:23:01,468 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] [2022-07-12 16:23:01,469 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i[471231,471244] [2022-07-12 16:23:01,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:23:01,546 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 16:23:01,602 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 16:23:01,855 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] [2022-07-12 16:23:01,856 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] [2022-07-12 16:23:01,856 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] [2022-07-12 16:23:01,856 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] [2022-07-12 16:23:01,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:23:01,885 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 16:23:02,302 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] [2022-07-12 16:23:02,302 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] [2022-07-12 16:23:02,303 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] [2022-07-12 16:23:02,306 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] [2022-07-12 16:23:02,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:23:02,483 INFO L208 MainTranslator]: Completed translation [2022-07-12 16:23:02,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:23:02 WrapperNode [2022-07-12 16:23:02,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 16:23:02,485 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 16:23:02,485 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 16:23:02,485 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 16:23:02,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:23:02" (1/1) ... [2022-07-12 16:23:02,596 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:23:02" (1/1) ... [2022-07-12 16:23:02,786 INFO L137 Inliner]: procedures = 425, calls = 4510, calls flagged for inlining = 226, calls inlined = 200, statements flattened = 9006 [2022-07-12 16:23:02,788 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 16:23:02,789 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 16:23:02,789 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 16:23:02,789 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 16:23:02,796 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:23:02" (1/1) ... [2022-07-12 16:23:02,796 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:23:02" (1/1) ... [2022-07-12 16:23:02,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:23:02" (1/1) ... [2022-07-12 16:23:02,846 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:23:02" (1/1) ... [2022-07-12 16:23:02,945 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:23:02" (1/1) ... [2022-07-12 16:23:02,960 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:23:02" (1/1) ... [2022-07-12 16:23:02,991 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:23:02" (1/1) ... [2022-07-12 16:23:03,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 16:23:03,088 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 16:23:03,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 16:23:03,088 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 16:23:03,089 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:23:02" (1/1) ... [2022-07-12 16:23:03,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:23:03,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 16:23:03,116 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-12 16:23:03,139 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-12 16:23:03,150 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_reset [2022-07-12 16:23:03,150 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_reset [2022-07-12 16:23:03,150 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2022-07-12 16:23:03,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2022-07-12 16:23:03,150 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_stop [2022-07-12 16:23:03,150 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_stop [2022-07-12 16:23:03,150 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_config_parameter_str [2022-07-12 16:23:03,151 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_config_parameter_str [2022-07-12 16:23:03,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 16:23:03,151 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 16:23:03,151 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2022-07-12 16:23:03,151 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2022-07-12 16:23:03,151 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_pause_rx [2022-07-12 16:23:03,151 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_pause_rx [2022-07-12 16:23:03,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 16:23:03,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 16:23:03,152 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_tx_fixup [2022-07-12 16:23:03,152 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_tx_fixup [2022-07-12 16:23:03,152 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_bind [2022-07-12 16:23:03,152 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_bind [2022-07-12 16:23:03,152 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_set_multicast_list [2022-07-12 16:23:03,152 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_set_multicast_list [2022-07-12 16:23:03,152 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_purge_paused_rxq [2022-07-12 16:23:03,152 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_purge_paused_rxq [2022-07-12 16:23:03,153 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_unbind [2022-07-12 16:23:03,153 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_unbind [2022-07-12 16:23:03,153 INFO L130 BoogieDeclarations]: Found specification of procedure set_encr_mode [2022-07-12 16:23:03,153 INFO L138 BoogieDeclarations]: Found implementation of procedure set_encr_mode [2022-07-12 16:23:03,153 INFO L130 BoogieDeclarations]: Found specification of procedure get_rndis_wlan_priv [2022-07-12 16:23:03,153 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rndis_wlan_priv [2022-07-12 16:23:03,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 16:23:03,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 16:23:03,153 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2022-07-12 16:23:03,154 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2022-07-12 16:23:03,154 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-12 16:23:03,154 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-12 16:23:03,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 16:23:03,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 16:23:03,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-12 16:23:03,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-12 16:23:03,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 16:23:03,154 INFO L130 BoogieDeclarations]: Found specification of procedure set_infra_mode [2022-07-12 16:23:03,155 INFO L138 BoogieDeclarations]: Found implementation of procedure set_infra_mode [2022-07-12 16:23:03,155 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_command [2022-07-12 16:23:03,155 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_command [2022-07-12 16:23:03,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-12 16:23:03,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 16:23:03,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 16:23:03,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-12 16:23:03,171 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_scan_done [2022-07-12 16:23:03,171 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_scan_done [2022-07-12 16:23:03,171 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-12 16:23:03,172 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-12 16:23:03,172 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-12 16:23:03,172 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-12 16:23:03,172 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_fill_station_info [2022-07-12 16:23:03,172 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_fill_station_info [2022-07-12 16:23:03,172 INFO L130 BoogieDeclarations]: Found specification of procedure unknown_early_init [2022-07-12 16:23:03,172 INFO L138 BoogieDeclarations]: Found implementation of procedure unknown_early_init [2022-07-12 16:23:03,172 INFO L130 BoogieDeclarations]: Found specification of procedure disassociate [2022-07-12 16:23:03,172 INFO L138 BoogieDeclarations]: Found implementation of procedure disassociate [2022-07-12 16:23:03,173 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2022-07-12 16:23:03,173 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2022-07-12 16:23:03,173 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_query_oid [2022-07-12 16:23:03,173 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_query_oid [2022-07-12 16:23:03,173 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2022-07-12 16:23:03,173 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2022-07-12 16:23:03,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 16:23:03,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 16:23:03,173 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2022-07-12 16:23:03,174 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2022-07-12 16:23:03,174 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_free [2022-07-12 16:23:03,174 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_free [2022-07-12 16:23:03,174 INFO L130 BoogieDeclarations]: Found specification of procedure is_wpa_key [2022-07-12 16:23:03,174 INFO L138 BoogieDeclarations]: Found implementation of procedure is_wpa_key [2022-07-12 16:23:03,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 16:23:03,174 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 16:23:03,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-12 16:23:03,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-12 16:23:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2022-07-12 16:23:03,175 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2022-07-12 16:23:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_command_lock_of_rndis_wlan_private [2022-07-12 16:23:03,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_command_lock_of_rndis_wlan_private [2022-07-12 16:23:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_check_bssid_list [2022-07-12 16:23:03,175 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_check_bssid_list [2022-07-12 16:23:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper [2022-07-12 16:23:03,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __toupper [2022-07-12 16:23:03,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 16:23:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320b_early_init [2022-07-12 16:23:03,176 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320b_early_init [2022-07-12 16:23:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure set_channel [2022-07-12 16:23:03,176 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channel [2022-07-12 16:23:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-12 16:23:03,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-12 16:23:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_status [2022-07-12 16:23:03,176 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_status [2022-07-12 16:23:03,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-12 16:23:03,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-12 16:23:03,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 16:23:03,177 INFO L130 BoogieDeclarations]: Found specification of procedure level_to_qual [2022-07-12 16:23:03,177 INFO L138 BoogieDeclarations]: Found implementation of procedure level_to_qual [2022-07-12 16:23:03,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 16:23:03,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 16:23:03,177 INFO L130 BoogieDeclarations]: Found specification of procedure set_essid [2022-07-12 16:23:03,177 INFO L138 BoogieDeclarations]: Found implementation of procedure set_essid [2022-07-12 16:23:03,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 16:23:03,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-12 16:23:03,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-12 16:23:03,178 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2022-07-12 16:23:03,178 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2022-07-12 16:23:03,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-12 16:23:03,178 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_start_bssid_list_scan [2022-07-12 16:23:03,178 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_start_bssid_list_scan [2022-07-12 16:23:03,178 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2022-07-12 16:23:03,178 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2022-07-12 16:23:03,179 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_copy_module_params [2022-07-12 16:23:03,179 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_copy_module_params [2022-07-12 16:23:03,179 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-12 16:23:03,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-12 16:23:03,179 INFO L130 BoogieDeclarations]: Found specification of procedure set_auth_mode [2022-07-12 16:23:03,179 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auth_mode [2022-07-12 16:23:03,179 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-07-12 16:23:03,179 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-07-12 16:23:03,179 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-12 16:23:03,180 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-12 16:23:03,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-12 16:23:03,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 16:23:03,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 16:23:03,180 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-12 16:23:03,180 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-12 16:23:03,180 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-12 16:23:03,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-12 16:23:03,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 16:23:03,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-12 16:23:03,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 16:23:03,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 16:23:03,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 16:23:03,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 16:23:03,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 16:23:03,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 16:23:03,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2022-07-12 16:23:03,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2022-07-12 16:23:03,181 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-07-12 16:23:03,182 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-07-12 16:23:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_cipher_to_alg [2022-07-12 16:23:03,182 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_cipher_to_alg [2022-07-12 16:23:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-12 16:23:03,182 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-12 16:23:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_channel [2022-07-12 16:23:03,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_channel [2022-07-12 16:23:03,182 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-12 16:23:03,182 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-12 16:23:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure add_wep_key [2022-07-12 16:23:03,183 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wep_key [2022-07-12 16:23:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2022-07-12 16:23:03,183 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2022-07-12 16:23:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure is_broadcast_ether_addr [2022-07-12 16:23:03,183 INFO L138 BoogieDeclarations]: Found implementation of procedure is_broadcast_ether_addr [2022-07-12 16:23:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure set_bssid [2022-07-12 16:23:03,183 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bssid [2022-07-12 16:23:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 16:23:03,183 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 16:23:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-12 16:23:03,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-12 16:23:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-12 16:23:03,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-12 16:23:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 16:23:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-12 16:23:03,184 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-12 16:23:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bssid [2022-07-12 16:23:03,184 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bssid [2022-07-12 16:23:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 16:23:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure set_device_pmkids [2022-07-12 16:23:03,185 INFO L138 BoogieDeclarations]: Found implementation of procedure set_device_pmkids [2022-07-12 16:23:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure get_device_pmkids [2022-07-12 16:23:03,185 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device_pmkids [2022-07-12 16:23:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock_bh [2022-07-12 16:23:03,185 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock_bh [2022-07-12 16:23:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-12 16:23:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 16:23:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 16:23:03,186 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-12 16:23:03,186 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-12 16:23:03,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 16:23:03,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 16:23:03,186 INFO L130 BoogieDeclarations]: Found specification of procedure next_bssid_list_item [2022-07-12 16:23:03,186 INFO L138 BoogieDeclarations]: Found implementation of procedure next_bssid_list_item [2022-07-12 16:23:03,186 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-12 16:23:03,186 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-12 16:23:03,186 INFO L130 BoogieDeclarations]: Found specification of procedure set_priv_filter [2022-07-12 16:23:03,187 INFO L138 BoogieDeclarations]: Found implementation of procedure set_priv_filter [2022-07-12 16:23:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 16:23:03,187 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 16:23:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_wiphy_params [2022-07-12 16:23:03,187 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_wiphy_params [2022-07-12 16:23:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 16:23:03,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 16:23:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-12 16:23:03,187 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-12 16:23:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_7_4 [2022-07-12 16:23:03,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_7_4 [2022-07-12 16:23:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-07-12 16:23:03,188 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-07-12 16:23:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-12 16:23:03,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-12 16:23:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure oid_to_string [2022-07-12 16:23:03,188 INFO L138 BoogieDeclarations]: Found implementation of procedure oid_to_string [2022-07-12 16:23:03,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-12 16:23:03,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-12 16:23:03,189 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2022-07-12 16:23:03,189 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2022-07-12 16:23:03,189 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 16:23:03,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 16:23:03,189 INFO L130 BoogieDeclarations]: Found specification of procedure deauthenticate [2022-07-12 16:23:03,189 INFO L138 BoogieDeclarations]: Found implementation of procedure deauthenticate [2022-07-12 16:23:03,189 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 16:23:03,189 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 16:23:03,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-12 16:23:03,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-12 16:23:03,190 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320a_early_init [2022-07-12 16:23:03,190 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320a_early_init [2022-07-12 16:23:03,190 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_michael_mic_failure [2022-07-12 16:23:03,190 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_michael_mic_failure [2022-07-12 16:23:03,190 INFO L130 BoogieDeclarations]: Found specification of procedure set_default_iw_params [2022-07-12 16:23:03,190 INFO L138 BoogieDeclarations]: Found implementation of procedure set_default_iw_params [2022-07-12 16:23:03,190 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_error_status [2022-07-12 16:23:03,190 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_error_status [2022-07-12 16:23:03,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 16:23:03,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-12 16:23:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 16:23:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-12 16:23:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 16:23:03,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 16:23:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_command_lock_of_rndis_wlan_private [2022-07-12 16:23:03,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_command_lock_of_rndis_wlan_private [2022-07-12 16:23:03,191 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume_rx [2022-07-12 16:23:03,191 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume_rx [2022-07-12 16:23:03,192 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-07-12 16:23:03,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-07-12 16:23:03,192 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-12 16:23:03,192 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-12 16:23:03,192 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcm4320_power_dbm [2022-07-12 16:23:03,192 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcm4320_power_dbm [2022-07-12 16:23:03,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 16:23:03,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 16:23:03,192 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-12 16:23:03,192 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-12 16:23:03,193 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_rx_fixup [2022-07-12 16:23:03,193 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_rx_fixup [2022-07-12 16:23:03,193 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_oid [2022-07-12 16:23:03,193 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_oid [2022-07-12 16:23:03,193 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_indication [2022-07-12 16:23:03,193 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_indication [2022-07-12 16:23:03,193 INFO L130 BoogieDeclarations]: Found specification of procedure get_bssid [2022-07-12 16:23:03,193 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bssid [2022-07-12 16:23:03,193 INFO L130 BoogieDeclarations]: Found specification of procedure is_associated [2022-07-12 16:23:03,194 INFO L138 BoogieDeclarations]: Found implementation of procedure is_associated [2022-07-12 16:23:03,194 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-07-12 16:23:03,194 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-12 16:23:03,194 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-12 16:23:03,194 INFO L130 BoogieDeclarations]: Found specification of procedure debug_print_pmkids [2022-07-12 16:23:03,194 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_print_pmkids [2022-07-12 16:23:03,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-12 16:23:03,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-12 16:23:04,044 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 16:23:04,046 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 16:23:10,724 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 16:25:10,081 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-12 16:25:15,791 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 16:25:15,810 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 16:25:15,810 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-12 16:25:15,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 04:25:15 BoogieIcfgContainer [2022-07-12 16:25:15,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 16:25:15,815 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 16:25:15,815 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 16:25:15,817 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 16:25:15,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 04:22:58" (1/3) ... [2022-07-12 16:25:15,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53fcab41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 04:25:15, skipping insertion in model container [2022-07-12 16:25:15,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:23:02" (2/3) ... [2022-07-12 16:25:15,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53fcab41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 04:25:15, skipping insertion in model container [2022-07-12 16:25:15,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 04:25:15" (3/3) ... [2022-07-12 16:25:15,819 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i [2022-07-12 16:25:15,829 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 16:25:15,829 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-12 16:25:15,897 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 16:25:15,904 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@13be264c, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@55f0b7e6 [2022-07-12 16:25:15,904 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-12 16:25:15,913 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) [2022-07-12 16:25:15,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2022-07-12 16:25:15,939 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:25:15,940 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] [2022-07-12 16:25:15,941 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)] === [2022-07-12 16:25:15,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:25:15,944 INFO L85 PathProgramCache]: Analyzing trace with hash 972719217, now seen corresponding path program 1 times [2022-07-12 16:25:15,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:25:15,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1953954835] [2022-07-12 16:25:15,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:25:15,958 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:25:15,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:25:15,960 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 16:25:15,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 16:25:18,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:25:19,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 4040 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:25:19,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:25:20,267 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5670 trivial. 0 not checked. [2022-07-12 16:25:20,267 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:25:20,267 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:25:20,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1953954835] [2022-07-12 16:25:20,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1953954835] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:25:20,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:25:20,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:25:20,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697636304] [2022-07-12 16:25:20,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:25:20,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:25:20,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:25:20,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:25:20,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:25:20,305 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) [2022-07-12 16:25:22,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:25:22,159 INFO L93 Difference]: Finished difference Result 7684 states and 11267 transitions. [2022-07-12 16:25:22,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:25:22,162 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 [2022-07-12 16:25:22,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:25:22,202 INFO L225 Difference]: With dead ends: 7684 [2022-07-12 16:25:22,202 INFO L226 Difference]: Without dead ends: 5096 [2022-07-12 16:25:22,225 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 [2022-07-12 16:25:22,229 INFO L413 NwaCegarLoop]: 4377 mSDtfsCounter, 3522 mSDsluCounter, 3692 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s 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, 1.6s IncrementalHoareTripleChecker+Time [2022-07-12 16:25:22,230 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3522 Valid, 8069 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-12 16:25:22,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5096 states. [2022-07-12 16:25:22,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5096 to 5092. [2022-07-12 16:25:22,441 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) [2022-07-12 16:25:22,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5092 states to 5092 states and 7236 transitions. [2022-07-12 16:25:22,474 INFO L78 Accepts]: Start accepts. Automaton has 5092 states and 7236 transitions. Word has length 430 [2022-07-12 16:25:22,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:25:22,476 INFO L495 AbstractCegarLoop]: Abstraction has 5092 states and 7236 transitions. [2022-07-12 16:25:22,476 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) [2022-07-12 16:25:22,476 INFO L276 IsEmpty]: Start isEmpty. Operand 5092 states and 7236 transitions. [2022-07-12 16:25:22,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 452 [2022-07-12 16:25:22,486 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:25:22,487 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] [2022-07-12 16:25:22,566 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-12 16:25:22,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:25:22,712 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)] === [2022-07-12 16:25:22,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:25:22,712 INFO L85 PathProgramCache]: Analyzing trace with hash 917712089, now seen corresponding path program 1 times [2022-07-12 16:25:22,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:25:22,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1264302236] [2022-07-12 16:25:22,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:25:22,716 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:25:22,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:25:22,718 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 16:25:22,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 16:25:26,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:25:26,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 4281 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:25:26,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:25:26,920 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2022-07-12 16:25:26,921 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:25:26,921 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:25:26,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1264302236] [2022-07-12 16:25:26,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1264302236] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:25:26,921 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:25:26,921 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:25:26,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [992878874] [2022-07-12 16:25:26,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:25:26,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:25:26,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:25:26,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:25:26,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:25:26,924 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) [2022-07-12 16:25:28,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:25:28,983 INFO L93 Difference]: Finished difference Result 12524 states and 17775 transitions. [2022-07-12 16:25:28,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:25:28,984 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 [2022-07-12 16:25:28,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:25:29,024 INFO L225 Difference]: With dead ends: 12524 [2022-07-12 16:25:29,024 INFO L226 Difference]: Without dead ends: 7509 [2022-07-12 16:25:29,042 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 [2022-07-12 16:25:29,043 INFO L413 NwaCegarLoop]: 4357 mSDtfsCounter, 3495 mSDsluCounter, 3684 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 1.8s IncrementalHoareTripleChecker+Time [2022-07-12 16:25:29,043 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3495 Valid, 8041 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-12 16:25:29,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7509 states. [2022-07-12 16:25:29,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7509 to 7490. [2022-07-12 16:25:29,257 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) [2022-07-12 16:25:29,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7490 states to 7490 states and 10613 transitions. [2022-07-12 16:25:29,294 INFO L78 Accepts]: Start accepts. Automaton has 7490 states and 10613 transitions. Word has length 451 [2022-07-12 16:25:29,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:25:29,296 INFO L495 AbstractCegarLoop]: Abstraction has 7490 states and 10613 transitions. [2022-07-12 16:25:29,297 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) [2022-07-12 16:25:29,297 INFO L276 IsEmpty]: Start isEmpty. Operand 7490 states and 10613 transitions. [2022-07-12 16:25:29,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2022-07-12 16:25:29,307 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:25:29,307 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] [2022-07-12 16:25:29,390 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-12 16:25:29,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:25:29,532 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)] === [2022-07-12 16:25:29,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:25:29,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1058463004, now seen corresponding path program 1 times [2022-07-12 16:25:29,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:25:29,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [88541722] [2022-07-12 16:25:29,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:25:29,536 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:25:29,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:25:29,541 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 16:25:29,543 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 16:25:32,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:25:32,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 4283 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:25:33,014 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:25:33,763 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2022-07-12 16:25:33,763 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:25:33,763 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:25:33,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [88541722] [2022-07-12 16:25:33,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [88541722] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:25:33,764 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:25:33,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:25:33,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167890119] [2022-07-12 16:25:33,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:25:33,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:25:33,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:25:33,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:25:33,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:25:33,765 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) [2022-07-12 16:25:35,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:25:35,829 INFO L93 Difference]: Finished difference Result 19722 states and 27920 transitions. [2022-07-12 16:25:35,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:25:35,830 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 [2022-07-12 16:25:35,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:25:35,906 INFO L225 Difference]: With dead ends: 19722 [2022-07-12 16:25:35,906 INFO L226 Difference]: Without dead ends: 12309 [2022-07-12 16:25:35,935 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 [2022-07-12 16:25:35,937 INFO L413 NwaCegarLoop]: 4428 mSDtfsCounter, 3495 mSDsluCounter, 3686 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 1.8s IncrementalHoareTripleChecker+Time [2022-07-12 16:25:35,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3495 Valid, 8114 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-12 16:25:35,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12309 states. [2022-07-12 16:25:36,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12309 to 12286. [2022-07-12 16:25:36,291 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) [2022-07-12 16:25:36,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12286 states to 12286 states and 17367 transitions. [2022-07-12 16:25:36,341 INFO L78 Accepts]: Start accepts. Automaton has 12286 states and 17367 transitions. Word has length 453 [2022-07-12 16:25:36,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:25:36,342 INFO L495 AbstractCegarLoop]: Abstraction has 12286 states and 17367 transitions. [2022-07-12 16:25:36,342 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) [2022-07-12 16:25:36,342 INFO L276 IsEmpty]: Start isEmpty. Operand 12286 states and 17367 transitions. [2022-07-12 16:25:36,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 453 [2022-07-12 16:25:36,350 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:25:36,351 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] [2022-07-12 16:25:36,432 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-12 16:25:36,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:25:36,564 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)] === [2022-07-12 16:25:36,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:25:36,564 INFO L85 PathProgramCache]: Analyzing trace with hash -181016849, now seen corresponding path program 1 times [2022-07-12 16:25:36,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:25:36,567 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [69603907] [2022-07-12 16:25:36,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:25:36,567 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:25:36,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:25:36,568 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 16:25:36,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-12 16:25:39,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:25:39,954 INFO L263 TraceCheckSpWp]: Trace formula consists of 4282 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:25:39,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:25:40,715 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2022-07-12 16:25:40,716 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:25:40,716 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:25:40,716 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [69603907] [2022-07-12 16:25:40,716 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [69603907] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:25:40,716 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:25:40,717 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:25:40,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614631217] [2022-07-12 16:25:40,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:25:40,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:25:40,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:25:40,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:25:40,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:25:40,718 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) [2022-07-12 16:25:43,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:25:43,056 INFO L93 Difference]: Finished difference Result 33550 states and 47428 transitions. [2022-07-12 16:25:43,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:25:43,063 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 [2022-07-12 16:25:43,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:25:43,154 INFO L225 Difference]: With dead ends: 33550 [2022-07-12 16:25:43,155 INFO L226 Difference]: Without dead ends: 21341 [2022-07-12 16:25:43,196 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 [2022-07-12 16:25:43,198 INFO L413 NwaCegarLoop]: 4793 mSDtfsCounter, 3495 mSDsluCounter, 3685 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 1.8s IncrementalHoareTripleChecker+Time [2022-07-12 16:25:43,199 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3495 Valid, 8478 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-12 16:25:43,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21341 states. [2022-07-12 16:25:43,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21341 to 21320. [2022-07-12 16:25:43,771 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) [2022-07-12 16:25:43,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21320 states to 21320 states and 30103 transitions. [2022-07-12 16:25:43,956 INFO L78 Accepts]: Start accepts. Automaton has 21320 states and 30103 transitions. Word has length 452 [2022-07-12 16:25:43,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:25:43,958 INFO L495 AbstractCegarLoop]: Abstraction has 21320 states and 30103 transitions. [2022-07-12 16:25:43,958 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) [2022-07-12 16:25:43,958 INFO L276 IsEmpty]: Start isEmpty. Operand 21320 states and 30103 transitions. [2022-07-12 16:25:43,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2022-07-12 16:25:43,980 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:25:43,980 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] [2022-07-12 16:25:44,066 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-12 16:25:44,198 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:25:44,198 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)] === [2022-07-12 16:25:44,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:25:44,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1137359935, now seen corresponding path program 1 times [2022-07-12 16:25:44,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:25:44,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [729696503] [2022-07-12 16:25:44,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:25:44,202 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:25:44,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:25:44,207 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 16:25:44,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-12 16:25:47,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:25:47,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 4204 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:25:47,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:25:48,834 INFO L134 CoverageAnalysis]: Checked inductivity of 5781 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5673 trivial. 0 not checked. [2022-07-12 16:25:48,834 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:25:48,835 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:25:48,835 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [729696503] [2022-07-12 16:25:48,835 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [729696503] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:25:48,835 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:25:48,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:25:48,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656784112] [2022-07-12 16:25:48,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:25:48,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:25:48,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:25:48,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:25:48,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:25:48,836 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) [2022-07-12 16:25:50,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:25:50,977 INFO L93 Difference]: Finished difference Result 62172 states and 87826 transitions. [2022-07-12 16:25:50,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:25:50,978 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 [2022-07-12 16:25:50,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:25:51,152 INFO L225 Difference]: With dead ends: 62172 [2022-07-12 16:25:51,153 INFO L226 Difference]: Without dead ends: 40929 [2022-07-12 16:25:51,219 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 [2022-07-12 16:25:51,220 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 [2022-07-12 16:25:51,220 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] [2022-07-12 16:25:51,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40929 states. [2022-07-12 16:25:52,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40929 to 40894. [2022-07-12 16:25:52,375 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) [2022-07-12 16:25:52,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40894 states to 40894 states and 57702 transitions. [2022-07-12 16:25:52,517 INFO L78 Accepts]: Start accepts. Automaton has 40894 states and 57702 transitions. Word has length 457 [2022-07-12 16:25:52,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:25:52,518 INFO L495 AbstractCegarLoop]: Abstraction has 40894 states and 57702 transitions. [2022-07-12 16:25:52,519 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) [2022-07-12 16:25:52,519 INFO L276 IsEmpty]: Start isEmpty. Operand 40894 states and 57702 transitions. [2022-07-12 16:25:52,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2022-07-12 16:25:52,525 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:25:52,525 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] [2022-07-12 16:25:52,605 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-12 16:25:52,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:25:52,740 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)] === [2022-07-12 16:25:52,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:25:52,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1230218159, now seen corresponding path program 1 times [2022-07-12 16:25:52,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:25:52,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1186243894] [2022-07-12 16:25:52,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:25:52,743 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:25:52,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:25:52,745 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 16:25:52,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-12 16:25:56,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:25:56,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 4336 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:25:56,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:25:57,364 INFO L134 CoverageAnalysis]: Checked inductivity of 5784 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5676 trivial. 0 not checked. [2022-07-12 16:25:57,365 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:25:57,365 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:25:57,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1186243894] [2022-07-12 16:25:57,365 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1186243894] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:25:57,365 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:25:57,365 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:25:57,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578310142] [2022-07-12 16:25:57,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:25:57,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:25:57,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:25:57,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:25:57,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:25:57,366 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) [2022-07-12 16:26:01,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:26:01,189 INFO L93 Difference]: Finished difference Result 98834 states and 138403 transitions. [2022-07-12 16:26:01,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:26:01,189 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 [2022-07-12 16:26:01,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:26:01,419 INFO L225 Difference]: With dead ends: 98834 [2022-07-12 16:26:01,419 INFO L226 Difference]: Without dead ends: 58017 [2022-07-12 16:26:01,545 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 [2022-07-12 16:26:01,546 INFO L413 NwaCegarLoop]: 4277 mSDtfsCounter, 2046 mSDsluCounter, 3651 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s 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, 2.5s IncrementalHoareTripleChecker+Time [2022-07-12 16:26:01,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2046 Valid, 7928 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-07-12 16:26:01,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58017 states. [2022-07-12 16:26:03,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58017 to 57968. [2022-07-12 16:26:03,213 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) [2022-07-12 16:26:03,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57968 states to 57968 states and 80603 transitions. [2022-07-12 16:26:03,695 INFO L78 Accepts]: Start accepts. Automaton has 57968 states and 80603 transitions. Word has length 472 [2022-07-12 16:26:03,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:26:03,710 INFO L495 AbstractCegarLoop]: Abstraction has 57968 states and 80603 transitions. [2022-07-12 16:26:03,710 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) [2022-07-12 16:26:03,710 INFO L276 IsEmpty]: Start isEmpty. Operand 57968 states and 80603 transitions. [2022-07-12 16:26:03,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2022-07-12 16:26:03,715 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:26:03,715 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] [2022-07-12 16:26:03,799 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-12 16:26:03,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:26:03,944 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)] === [2022-07-12 16:26:03,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:26:03,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1257194897, now seen corresponding path program 1 times [2022-07-12 16:26:03,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:26:03,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1958511025] [2022-07-12 16:26:03,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:26:03,947 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:26:03,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:26:03,949 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 16:26:03,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-12 16:26:07,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:26:07,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 4245 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:26:07,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:26:08,204 INFO L134 CoverageAnalysis]: Checked inductivity of 5903 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 5673 trivial. 0 not checked. [2022-07-12 16:26:08,204 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:26:08,204 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:26:08,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1958511025] [2022-07-12 16:26:08,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1958511025] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:26:08,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:26:08,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:26:08,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113890154] [2022-07-12 16:26:08,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:26:08,205 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:26:08,205 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:26:08,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:26:08,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:26:08,206 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) [2022-07-12 16:26:11,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:26:11,056 INFO L93 Difference]: Finished difference Result 171407 states and 238620 transitions. [2022-07-12 16:26:11,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:26:11,056 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 [2022-07-12 16:26:11,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:26:11,671 INFO L225 Difference]: With dead ends: 171407 [2022-07-12 16:26:11,671 INFO L226 Difference]: Without dead ends: 113516 [2022-07-12 16:26:11,812 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 [2022-07-12 16:26:11,813 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, 0.1s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-12 16:26:11,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3598 Valid, 10794 Invalid, 16 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-12 16:26:11,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113516 states. [2022-07-12 16:26:14,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113516 to 113437. [2022-07-12 16:26:14,920 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) [2022-07-12 16:26:15,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113437 states to 113437 states and 157952 transitions. [2022-07-12 16:26:15,811 INFO L78 Accepts]: Start accepts. Automaton has 113437 states and 157952 transitions. Word has length 484 [2022-07-12 16:26:15,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:26:15,812 INFO L495 AbstractCegarLoop]: Abstraction has 113437 states and 157952 transitions. [2022-07-12 16:26:15,812 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) [2022-07-12 16:26:15,812 INFO L276 IsEmpty]: Start isEmpty. Operand 113437 states and 157952 transitions. [2022-07-12 16:26:15,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2022-07-12 16:26:15,816 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:26:15,816 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] [2022-07-12 16:26:15,919 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-12 16:26:16,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:26:16,031 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)] === [2022-07-12 16:26:16,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:26:16,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1848482839, now seen corresponding path program 1 times [2022-07-12 16:26:16,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:26:16,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [824481491] [2022-07-12 16:26:16,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:26:16,035 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:26:16,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:26:16,036 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 16:26:16,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-12 16:26:19,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:26:19,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 4172 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:26:19,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:26:20,390 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 6015 trivial. 0 not checked. [2022-07-12 16:26:20,390 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:26:20,390 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:26:20,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [824481491] [2022-07-12 16:26:20,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [824481491] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:26:20,390 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:26:20,390 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:26:20,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165006047] [2022-07-12 16:26:20,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:26:20,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:26:20,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:26:20,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:26:20,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:26:20,393 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) [2022-07-12 16:26:26,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:26:26,711 INFO L93 Difference]: Finished difference Result 334738 states and 466499 transitions. [2022-07-12 16:26:26,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:26:26,711 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 [2022-07-12 16:26:26,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:26:28,027 INFO L225 Difference]: With dead ends: 334738 [2022-07-12 16:26:28,027 INFO L226 Difference]: Without dead ends: 221593 [2022-07-12 16:26:28,439 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 [2022-07-12 16:26:28,439 INFO L413 NwaCegarLoop]: 7219 mSDtfsCounter, 3481 mSDsluCounter, 3698 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.4s IncrementalHoareTripleChecker+Time [2022-07-12 16:26:28,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3481 Valid, 10917 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-12 16:26:28,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221593 states. [2022-07-12 16:26:34,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221593 to 221589. [2022-07-12 16:26:34,827 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) [2022-07-12 16:26:36,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221589 states to 221589 states and 308208 transitions. [2022-07-12 16:26:36,123 INFO L78 Accepts]: Start accepts. Automaton has 221589 states and 308208 transitions. Word has length 493 [2022-07-12 16:26:36,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:26:36,125 INFO L495 AbstractCegarLoop]: Abstraction has 221589 states and 308208 transitions. [2022-07-12 16:26:36,125 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) [2022-07-12 16:26:36,125 INFO L276 IsEmpty]: Start isEmpty. Operand 221589 states and 308208 transitions. [2022-07-12 16:26:36,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2022-07-12 16:26:36,132 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:26:36,132 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] [2022-07-12 16:26:36,222 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-07-12 16:26:36,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:26:36,342 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)] === [2022-07-12 16:26:36,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:26:36,343 INFO L85 PathProgramCache]: Analyzing trace with hash -1146882965, now seen corresponding path program 1 times [2022-07-12 16:26:36,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:26:36,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1889956389] [2022-07-12 16:26:36,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:26:36,346 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:26:36,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:26:36,347 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-12 16:26:36,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process