./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 35987657 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-?-3598765 [2022-07-21 14:56:17,850 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 14:56:17,852 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 14:56:17,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 14:56:17,889 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 14:56:17,890 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 14:56:17,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 14:56:17,896 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 14:56:17,897 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 14:56:17,901 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 14:56:17,902 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 14:56:17,906 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 14:56:17,906 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 14:56:17,908 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 14:56:17,909 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 14:56:17,911 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 14:56:17,912 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 14:56:17,913 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 14:56:17,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 14:56:17,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 14:56:17,919 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 14:56:17,920 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 14:56:17,921 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 14:56:17,922 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 14:56:17,923 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 14:56:17,929 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 14:56:17,929 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 14:56:17,929 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 14:56:17,930 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 14:56:17,930 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 14:56:17,931 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 14:56:17,931 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 14:56:17,932 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 14:56:17,933 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 14:56:17,934 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 14:56:17,934 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 14:56:17,935 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 14:56:17,935 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 14:56:17,935 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 14:56:17,935 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 14:56:17,936 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 14:56:17,937 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 14:56:17,941 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 14:56:17,967 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 14:56:17,967 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 14:56:17,968 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 14:56:17,968 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 14:56:17,968 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 14:56:17,969 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 14:56:17,969 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 14:56:17,969 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 14:56:17,969 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 14:56:17,970 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 14:56:17,970 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 14:56:17,970 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 14:56:17,971 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 14:56:17,971 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 14:56:17,971 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 14:56:17,971 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 14:56:17,971 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 14:56:17,971 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 14:56:17,972 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 14:56:17,972 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 14:56:17,972 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 14:56:17,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:56:17,972 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 14:56:17,972 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 14:56:17,973 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 14:56:17,973 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 14:56:17,973 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 14:56:17,973 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 14:56:17,973 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 14:56:17,973 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 14:56:17,974 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08fd1f25b7d22203947cf6c4ad8cac3aedaa56ca5536c5ddc05b18633d46ecf5 [2022-07-21 14:56:18,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 14:56:18,274 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 14:56:18,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 14:56:18,277 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 14:56:18,279 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 14:56:18,281 INFO L432 ainManager$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 [2022-07-21 14:56:18,327 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0096cc96/b4b3e3646a114cd887654a35b1758ba9/FLAGed0bdf5e2 [2022-07-21 14:56:18,982 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 14:56:18,982 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 [2022-07-21 14:56:19,026 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0096cc96/b4b3e3646a114cd887654a35b1758ba9/FLAGed0bdf5e2 [2022-07-21 14:56:19,088 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b0096cc96/b4b3e3646a114cd887654a35b1758ba9 [2022-07-21 14:56:19,091 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 14:56:19,092 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 14:56:19,094 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 14:56:19,094 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 14:56:19,096 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 14:56:19,097 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:56:19" (1/1) ... [2022-07-21 14:56:19,098 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18dacfe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:56:19, skipping insertion in model container [2022-07-21 14:56:19,098 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:56:19" (1/1) ... [2022-07-21 14:56:19,103 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 14:56:19,256 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 14:56:22,602 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] [2022-07-21 14:56:22,605 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] [2022-07-21 14:56:22,605 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] [2022-07-21 14:56:22,606 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] [2022-07-21 14:56:22,619 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:56:22,664 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 14:56:22,843 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) [2022-07-21 14:56:22,850 INFO L158 Benchmark]: Toolchain (without parser) took 3757.00ms. Allocated memory was 58.7MB in the beginning and 157.3MB in the end (delta: 98.6MB). Free memory was 31.0MB in the beginning and 78.9MB in the end (delta: -47.8MB). Peak memory consumption was 65.5MB. Max. memory is 16.1GB. [2022-07-21 14:56:22,850 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 58.7MB. Free memory is still 40.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 14:56:22,851 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3754.40ms. Allocated memory was 58.7MB in the beginning and 157.3MB in the end (delta: 98.6MB). Free memory was 30.8MB in the beginning and 78.9MB in the end (delta: -48.0MB). Peak memory consumption was 65.5MB. Max. memory is 16.1GB. [2022-07-21 14:56:22,852 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 58.7MB. Free memory is still 40.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3754.40ms. Allocated memory was 58.7MB in the beginning and 157.3MB in the end (delta: 98.6MB). Free memory was 30.8MB in the beginning and 78.9MB in the end (delta: -48.0MB). Peak memory consumption was 65.5MB. 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-?-3598765 [2022-07-21 14:56:24,401 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 14:56:24,402 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 14:56:24,423 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 14:56:24,424 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 14:56:24,425 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 14:56:24,426 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 14:56:24,427 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 14:56:24,429 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 14:56:24,429 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 14:56:24,430 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 14:56:24,431 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 14:56:24,431 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 14:56:24,432 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 14:56:24,433 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 14:56:24,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 14:56:24,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 14:56:24,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 14:56:24,436 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 14:56:24,437 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 14:56:24,438 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 14:56:24,439 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 14:56:24,440 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 14:56:24,440 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 14:56:24,441 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 14:56:24,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 14:56:24,458 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 14:56:24,458 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 14:56:24,459 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 14:56:24,459 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 14:56:24,460 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 14:56:24,460 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 14:56:24,461 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 14:56:24,461 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 14:56:24,462 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 14:56:24,463 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 14:56:24,463 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 14:56:24,468 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 14:56:24,468 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 14:56:24,468 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 14:56:24,469 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 14:56:24,470 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 14:56:24,470 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 14:56:24,487 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 14:56:24,487 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 14:56:24,487 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 14:56:24,487 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 14:56:24,488 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 14:56:24,488 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 14:56:24,489 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 14:56:24,489 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 14:56:24,489 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 14:56:24,489 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 14:56:24,490 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 14:56:24,490 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 14:56:24,490 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 14:56:24,490 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 14:56:24,490 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 14:56:24,491 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 14:56:24,491 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 14:56:24,491 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 14:56:24,491 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 14:56:24,491 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 14:56:24,492 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 14:56:24,492 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 14:56:24,492 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 14:56:24,492 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:56:24,492 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 14:56:24,492 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 14:56:24,493 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 14:56:24,493 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 14:56:24,493 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 14:56:24,493 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 14:56:24,493 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 14:56:24,493 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 14:56:24,494 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 14:56:24,494 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08fd1f25b7d22203947cf6c4ad8cac3aedaa56ca5536c5ddc05b18633d46ecf5 [2022-07-21 14:56:24,828 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 14:56:24,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 14:56:24,851 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 14:56:24,852 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 14:56:24,852 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 14:56:24,853 INFO L432 ainManager$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 [2022-07-21 14:56:24,900 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/656bc642d/3d90f098d2df4ffa8a7b638b4d925fc7/FLAGe6b04f4ce [2022-07-21 14:56:25,644 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 14:56:25,645 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 [2022-07-21 14:56:25,705 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/656bc642d/3d90f098d2df4ffa8a7b638b4d925fc7/FLAGe6b04f4ce [2022-07-21 14:56:25,896 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/656bc642d/3d90f098d2df4ffa8a7b638b4d925fc7 [2022-07-21 14:56:25,898 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 14:56:25,900 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 14:56:25,902 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 14:56:25,902 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 14:56:25,905 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 14:56:25,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:56:25" (1/1) ... [2022-07-21 14:56:25,906 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 21.07 02:56:25, skipping insertion in model container [2022-07-21 14:56:25,907 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:56:25" (1/1) ... [2022-07-21 14:56:25,912 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 14:56:26,054 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 14:56:28,734 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] [2022-07-21 14:56:28,737 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] [2022-07-21 14:56:28,737 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] [2022-07-21 14:56:28,738 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] [2022-07-21 14:56:28,750 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:56:28,802 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 14:56:28,853 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 14:56:29,076 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] [2022-07-21 14:56:29,076 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] [2022-07-21 14:56:29,076 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] [2022-07-21 14:56:29,077 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] [2022-07-21 14:56:29,081 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:56:29,102 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 14:56:29,413 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] [2022-07-21 14:56:29,413 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] [2022-07-21 14:56:29,414 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] [2022-07-21 14:56:29,417 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] [2022-07-21 14:56:29,420 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:56:29,608 INFO L208 MainTranslator]: Completed translation [2022-07-21 14:56:29,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:56:29 WrapperNode [2022-07-21 14:56:29,609 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 14:56:29,610 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 14:56:29,610 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 14:56:29,610 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 14:56:29,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:56:29" (1/1) ... [2022-07-21 14:56:29,681 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:56:29" (1/1) ... [2022-07-21 14:56:29,822 INFO L137 Inliner]: procedures = 425, calls = 4510, calls flagged for inlining = 226, calls inlined = 200, statements flattened = 9006 [2022-07-21 14:56:29,823 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 14:56:29,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 14:56:29,823 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 14:56:29,823 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 14:56:29,830 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:56:29" (1/1) ... [2022-07-21 14:56:29,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:56:29" (1/1) ... [2022-07-21 14:56:29,859 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:56:29" (1/1) ... [2022-07-21 14:56:29,859 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:56:29" (1/1) ... [2022-07-21 14:56:30,041 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:56:29" (1/1) ... [2022-07-21 14:56:30,065 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:56:29" (1/1) ... [2022-07-21 14:56:30,090 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:56:29" (1/1) ... [2022-07-21 14:56:30,128 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 14:56:30,129 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 14:56:30,129 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 14:56:30,129 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 14:56:30,130 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:56:29" (1/1) ... [2022-07-21 14:56:30,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:56:30,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 14:56:30,180 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) [2022-07-21 14:56:30,183 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 [2022-07-21 14:56:30,220 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_reset [2022-07-21 14:56:30,220 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_reset [2022-07-21 14:56:30,220 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2022-07-21 14:56:30,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2022-07-21 14:56:30,220 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_stop [2022-07-21 14:56:30,220 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_stop [2022-07-21 14:56:30,220 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_config_parameter_str [2022-07-21 14:56:30,221 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_config_parameter_str [2022-07-21 14:56:30,221 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 14:56:30,221 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 14:56:30,221 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_inform_bss [2022-07-21 14:56:30,221 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_inform_bss [2022-07-21 14:56:30,221 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_pause_rx [2022-07-21 14:56:30,221 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_pause_rx [2022-07-21 14:56:30,221 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 14:56:30,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 14:56:30,222 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_tx_fixup [2022-07-21 14:56:30,222 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_tx_fixup [2022-07-21 14:56:30,222 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_bind [2022-07-21 14:56:30,222 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_bind [2022-07-21 14:56:30,223 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_set_multicast_list [2022-07-21 14:56:30,223 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_set_multicast_list [2022-07-21 14:56:30,223 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_purge_paused_rxq [2022-07-21 14:56:30,223 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_purge_paused_rxq [2022-07-21 14:56:30,223 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_unbind [2022-07-21 14:56:30,223 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_unbind [2022-07-21 14:56:30,223 INFO L130 BoogieDeclarations]: Found specification of procedure set_encr_mode [2022-07-21 14:56:30,223 INFO L138 BoogieDeclarations]: Found implementation of procedure set_encr_mode [2022-07-21 14:56:30,224 INFO L130 BoogieDeclarations]: Found specification of procedure get_rndis_wlan_priv [2022-07-21 14:56:30,224 INFO L138 BoogieDeclarations]: Found implementation of procedure get_rndis_wlan_priv [2022-07-21 14:56:30,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 14:56:30,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-21 14:56:30,224 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2022-07-21 14:56:30,224 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2022-07-21 14:56:30,225 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-21 14:56:30,225 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-21 14:56:30,225 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 14:56:30,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 14:56:30,226 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-21 14:56:30,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-21 14:56:30,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 14:56:30,227 INFO L130 BoogieDeclarations]: Found specification of procedure set_infra_mode [2022-07-21 14:56:30,227 INFO L138 BoogieDeclarations]: Found implementation of procedure set_infra_mode [2022-07-21 14:56:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_command [2022-07-21 14:56:30,228 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_command [2022-07-21 14:56:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-21 14:56:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 14:56:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 14:56:30,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 14:56:30,229 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_scan_done [2022-07-21 14:56:30,229 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_scan_done [2022-07-21 14:56:30,229 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-21 14:56:30,229 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-21 14:56:30,229 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-21 14:56:30,229 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-21 14:56:30,229 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_fill_station_info [2022-07-21 14:56:30,230 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_fill_station_info [2022-07-21 14:56:30,230 INFO L130 BoogieDeclarations]: Found specification of procedure unknown_early_init [2022-07-21 14:56:30,230 INFO L138 BoogieDeclarations]: Found implementation of procedure unknown_early_init [2022-07-21 14:56:30,230 INFO L130 BoogieDeclarations]: Found specification of procedure disassociate [2022-07-21 14:56:30,230 INFO L138 BoogieDeclarations]: Found implementation of procedure disassociate [2022-07-21 14:56:30,230 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies_relative [2022-07-21 14:56:30,230 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies_relative [2022-07-21 14:56:30,230 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_query_oid [2022-07-21 14:56:30,230 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_query_oid [2022-07-21 14:56:30,230 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume [2022-07-21 14:56:30,231 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume [2022-07-21 14:56:30,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-21 14:56:30,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-21 14:56:30,231 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_tx_timeout [2022-07-21 14:56:30,231 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_tx_timeout [2022-07-21 14:56:30,231 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_free [2022-07-21 14:56:30,231 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_free [2022-07-21 14:56:30,231 INFO L130 BoogieDeclarations]: Found specification of procedure is_wpa_key [2022-07-21 14:56:30,232 INFO L138 BoogieDeclarations]: Found implementation of procedure is_wpa_key [2022-07-21 14:56:30,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 14:56:30,232 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 14:56:30,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-21 14:56:30,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-21 14:56:30,232 INFO L130 BoogieDeclarations]: Found specification of procedure wiphy_priv [2022-07-21 14:56:30,232 INFO L138 BoogieDeclarations]: Found implementation of procedure wiphy_priv [2022-07-21 14:56:30,232 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_command_lock_of_rndis_wlan_private [2022-07-21 14:56:30,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_command_lock_of_rndis_wlan_private [2022-07-21 14:56:30,233 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_check_bssid_list [2022-07-21 14:56:30,233 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_check_bssid_list [2022-07-21 14:56:30,233 INFO L130 BoogieDeclarations]: Found specification of procedure __toupper [2022-07-21 14:56:30,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __toupper [2022-07-21 14:56:30,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 14:56:30,234 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320b_early_init [2022-07-21 14:56:30,234 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320b_early_init [2022-07-21 14:56:30,234 INFO L130 BoogieDeclarations]: Found specification of procedure set_channel [2022-07-21 14:56:30,234 INFO L138 BoogieDeclarations]: Found implementation of procedure set_channel [2022-07-21 14:56:30,234 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-21 14:56:30,234 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-21 14:56:30,234 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_status [2022-07-21 14:56:30,234 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_status [2022-07-21 14:56:30,235 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-21 14:56:30,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-21 14:56:30,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 14:56:30,235 INFO L130 BoogieDeclarations]: Found specification of procedure level_to_qual [2022-07-21 14:56:30,235 INFO L138 BoogieDeclarations]: Found implementation of procedure level_to_qual [2022-07-21 14:56:30,236 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 14:56:30,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 14:56:30,238 INFO L130 BoogieDeclarations]: Found specification of procedure set_essid [2022-07-21 14:56:30,238 INFO L138 BoogieDeclarations]: Found implementation of procedure set_essid [2022-07-21 14:56:30,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 14:56:30,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 14:56:30,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-21 14:56:30,239 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_put_bss [2022-07-21 14:56:30,239 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_put_bss [2022-07-21 14:56:30,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 14:56:30,240 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_start_bssid_list_scan [2022-07-21 14:56:30,243 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_start_bssid_list_scan [2022-07-21 14:56:30,243 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_open [2022-07-21 14:56:30,243 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_open [2022-07-21 14:56:30,243 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_copy_module_params [2022-07-21 14:56:30,243 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_copy_module_params [2022-07-21 14:56:30,243 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-21 14:56:30,244 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-21 14:56:30,244 INFO L130 BoogieDeclarations]: Found specification of procedure set_auth_mode [2022-07-21 14:56:30,244 INFO L138 BoogieDeclarations]: Found implementation of procedure set_auth_mode [2022-07-21 14:56:30,244 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-07-21 14:56:30,244 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-07-21 14:56:30,244 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-21 14:56:30,244 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-21 14:56:30,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 14:56:30,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 14:56:30,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 14:56:30,245 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-21 14:56:30,245 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-21 14:56:30,245 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-21 14:56:30,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-21 14:56:30,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 14:56:30,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-21 14:56:30,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 14:56:30,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 14:56:30,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 14:56:30,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 14:56:30,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 14:56:30,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 14:56:30,246 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2022-07-21 14:56:30,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rndis_wlan_driver_exit_11_2 [2022-07-21 14:56:30,246 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2022-07-21 14:56:30,246 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2022-07-21 14:56:30,246 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_cipher_to_alg [2022-07-21 14:56:30,246 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_cipher_to_alg [2022-07-21 14:56:30,247 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-21 14:56:30,247 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-21 14:56:30,247 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_channel [2022-07-21 14:56:30,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_channel [2022-07-21 14:56:30,247 INFO L130 BoogieDeclarations]: Found specification of procedure destroy_workqueue [2022-07-21 14:56:30,247 INFO L138 BoogieDeclarations]: Found implementation of procedure destroy_workqueue [2022-07-21 14:56:30,247 INFO L130 BoogieDeclarations]: Found specification of procedure add_wep_key [2022-07-21 14:56:30,247 INFO L138 BoogieDeclarations]: Found implementation of procedure add_wep_key [2022-07-21 14:56:30,247 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_stop [2022-07-21 14:56:30,248 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_stop [2022-07-21 14:56:30,248 INFO L130 BoogieDeclarations]: Found specification of procedure is_broadcast_ether_addr [2022-07-21 14:56:30,248 INFO L138 BoogieDeclarations]: Found implementation of procedure is_broadcast_ether_addr [2022-07-21 14:56:30,248 INFO L130 BoogieDeclarations]: Found specification of procedure set_bssid [2022-07-21 14:56:30,248 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bssid [2022-07-21 14:56:30,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 14:56:30,248 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 14:56:30,248 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-07-21 14:56:30,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-07-21 14:56:30,248 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-21 14:56:30,249 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-21 14:56:30,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 14:56:30,249 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 14:56:30,249 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 14:56:30,249 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bssid [2022-07-21 14:56:30,249 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bssid [2022-07-21 14:56:30,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 14:56:30,249 INFO L130 BoogieDeclarations]: Found specification of procedure set_device_pmkids [2022-07-21 14:56:30,249 INFO L138 BoogieDeclarations]: Found implementation of procedure set_device_pmkids [2022-07-21 14:56:30,250 INFO L130 BoogieDeclarations]: Found specification of procedure get_device_pmkids [2022-07-21 14:56:30,250 INFO L138 BoogieDeclarations]: Found implementation of procedure get_device_pmkids [2022-07-21 14:56:30,250 INFO L130 BoogieDeclarations]: Found specification of procedure netif_addr_unlock_bh [2022-07-21 14:56:30,251 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_addr_unlock_bh [2022-07-21 14:56:30,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-21 14:56:30,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 14:56:30,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 14:56:30,252 INFO L130 BoogieDeclarations]: Found specification of procedure is_zero_ether_addr [2022-07-21 14:56:30,252 INFO L138 BoogieDeclarations]: Found implementation of procedure is_zero_ether_addr [2022-07-21 14:56:30,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 14:56:30,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 14:56:30,252 INFO L130 BoogieDeclarations]: Found specification of procedure next_bssid_list_item [2022-07-21 14:56:30,252 INFO L138 BoogieDeclarations]: Found implementation of procedure next_bssid_list_item [2022-07-21 14:56:30,252 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-21 14:56:30,252 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-21 14:56:30,252 INFO L130 BoogieDeclarations]: Found specification of procedure set_priv_filter [2022-07-21 14:56:30,252 INFO L138 BoogieDeclarations]: Found implementation of procedure set_priv_filter [2022-07-21 14:56:30,253 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-21 14:56:30,253 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-21 14:56:30,253 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_wiphy_params [2022-07-21 14:56:30,253 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_wiphy_params [2022-07-21 14:56:30,253 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-21 14:56:30,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-21 14:56:30,254 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-21 14:56:30,254 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-21 14:56:30,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_instance_release_7_4 [2022-07-21 14:56:30,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_instance_release_7_4 [2022-07-21 14:56:30,254 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2022-07-21 14:56:30,254 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2022-07-21 14:56:30,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-21 14:56:30,254 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-21 14:56:30,254 INFO L130 BoogieDeclarations]: Found specification of procedure oid_to_string [2022-07-21 14:56:30,254 INFO L138 BoogieDeclarations]: Found implementation of procedure oid_to_string [2022-07-21 14:56:30,254 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-21 14:56:30,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-21 14:56:30,255 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_disconnect [2022-07-21 14:56:30,255 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_disconnect [2022-07-21 14:56:30,255 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 14:56:30,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 14:56:30,255 INFO L130 BoogieDeclarations]: Found specification of procedure deauthenticate [2022-07-21 14:56:30,255 INFO L138 BoogieDeclarations]: Found implementation of procedure deauthenticate [2022-07-21 14:56:30,255 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 14:56:30,255 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 14:56:30,255 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-21 14:56:30,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-21 14:56:30,256 INFO L130 BoogieDeclarations]: Found specification of procedure bcm4320a_early_init [2022-07-21 14:56:30,256 INFO L138 BoogieDeclarations]: Found implementation of procedure bcm4320a_early_init [2022-07-21 14:56:30,256 INFO L130 BoogieDeclarations]: Found specification of procedure cfg80211_michael_mic_failure [2022-07-21 14:56:30,256 INFO L138 BoogieDeclarations]: Found implementation of procedure cfg80211_michael_mic_failure [2022-07-21 14:56:30,256 INFO L130 BoogieDeclarations]: Found specification of procedure set_default_iw_params [2022-07-21 14:56:30,256 INFO L138 BoogieDeclarations]: Found implementation of procedure set_default_iw_params [2022-07-21 14:56:30,256 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_error_status [2022-07-21 14:56:30,256 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_error_status [2022-07-21 14:56:30,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 14:56:30,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-21 14:56:30,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 14:56:30,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 14:56:30,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 14:56:30,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 14:56:30,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_command_lock_of_rndis_wlan_private [2022-07-21 14:56:30,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_command_lock_of_rndis_wlan_private [2022-07-21 14:56:30,261 INFO L130 BoogieDeclarations]: Found specification of procedure usbnet_resume_rx [2022-07-21 14:56:30,261 INFO L138 BoogieDeclarations]: Found implementation of procedure usbnet_resume_rx [2022-07-21 14:56:30,261 INFO L130 BoogieDeclarations]: Found specification of procedure ether_addr_equal [2022-07-21 14:56:30,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ether_addr_equal [2022-07-21 14:56:30,261 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-21 14:56:30,263 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-21 14:56:30,263 INFO L130 BoogieDeclarations]: Found specification of procedure get_bcm4320_power_dbm [2022-07-21 14:56:30,263 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bcm4320_power_dbm [2022-07-21 14:56:30,263 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 14:56:30,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 14:56:30,264 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-21 14:56:30,264 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-21 14:56:30,264 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_rx_fixup [2022-07-21 14:56:30,264 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_rx_fixup [2022-07-21 14:56:30,264 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_set_oid [2022-07-21 14:56:30,264 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_set_oid [2022-07-21 14:56:30,264 INFO L130 BoogieDeclarations]: Found specification of procedure rndis_wlan_indication [2022-07-21 14:56:30,264 INFO L138 BoogieDeclarations]: Found implementation of procedure rndis_wlan_indication [2022-07-21 14:56:30,265 INFO L130 BoogieDeclarations]: Found specification of procedure get_bssid [2022-07-21 14:56:30,265 INFO L138 BoogieDeclarations]: Found implementation of procedure get_bssid [2022-07-21 14:56:30,265 INFO L130 BoogieDeclarations]: Found specification of procedure is_associated [2022-07-21 14:56:30,265 INFO L138 BoogieDeclarations]: Found implementation of procedure is_associated [2022-07-21 14:56:30,265 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-07-21 14:56:30,265 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work [2022-07-21 14:56:30,265 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work [2022-07-21 14:56:30,265 INFO L130 BoogieDeclarations]: Found specification of procedure debug_print_pmkids [2022-07-21 14:56:30,265 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_print_pmkids [2022-07-21 14:56:30,266 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-21 14:56:30,266 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-21 14:56:31,028 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 14:56:31,031 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 14:56:38,030 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 14:58:47,735 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-21 14:58:54,056 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 14:58:54,080 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 14:58:54,080 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-21 14:58:54,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:58:54 BoogieIcfgContainer [2022-07-21 14:58:54,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 14:58:54,089 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 14:58:54,089 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 14:58:54,091 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 14:58:54,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 02:56:25" (1/3) ... [2022-07-21 14:58:54,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54ea6e7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:58:54, skipping insertion in model container [2022-07-21 14:58:54,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:56:29" (2/3) ... [2022-07-21 14:58:54,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54ea6e7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 02:58:54, skipping insertion in model container [2022-07-21 14:58:54,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 02:58:54" (3/3) ... [2022-07-21 14:58:54,094 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-rndis_wlan.cil.i [2022-07-21 14:58:54,107 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 14:58:54,107 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-21 14:58:54,197 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 14:58:54,206 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@34db4929, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6f81c733 [2022-07-21 14:58:54,206 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-21 14:58:54,217 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) [2022-07-21 14:58:54,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2022-07-21 14:58:54,250 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:58:54,251 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] [2022-07-21 14:58:54,251 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)] === [2022-07-21 14:58:54,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:58:54,255 INFO L85 PathProgramCache]: Analyzing trace with hash 972719217, now seen corresponding path program 1 times [2022-07-21 14:58:54,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:58:54,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [504640445] [2022-07-21 14:58:54,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:58:54,272 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:58:54,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:58:54,289 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) [2022-07-21 14:58:54,292 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 14:58:57,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:58:57,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 4040 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:58:57,726 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:58:58,756 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5670 trivial. 0 not checked. [2022-07-21 14:58:58,757 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:58:58,757 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:58:58,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [504640445] [2022-07-21 14:58:58,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [504640445] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:58:58,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:58:58,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:58:58,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724495713] [2022-07-21 14:58:58,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:58:58,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:58:58,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:58:58,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:58:58,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:58:58,807 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) [2022-07-21 14:59:00,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:59:00,657 INFO L93 Difference]: Finished difference Result 7684 states and 11267 transitions. [2022-07-21 14:59:00,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:59:00,659 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 [2022-07-21 14:59:00,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:59:00,700 INFO L225 Difference]: With dead ends: 7684 [2022-07-21 14:59:00,701 INFO L226 Difference]: Without dead ends: 5096 [2022-07-21 14:59:00,723 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 [2022-07-21 14:59:00,729 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 [2022-07-21 14:59:00,730 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] [2022-07-21 14:59:00,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5096 states. [2022-07-21 14:59:00,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5096 to 5092. [2022-07-21 14:59:00,964 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) [2022-07-21 14:59:00,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5092 states to 5092 states and 7236 transitions. [2022-07-21 14:59:00,998 INFO L78 Accepts]: Start accepts. Automaton has 5092 states and 7236 transitions. Word has length 430 [2022-07-21 14:59:01,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:59:01,002 INFO L495 AbstractCegarLoop]: Abstraction has 5092 states and 7236 transitions. [2022-07-21 14:59:01,003 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) [2022-07-21 14:59:01,003 INFO L276 IsEmpty]: Start isEmpty. Operand 5092 states and 7236 transitions. [2022-07-21 14:59:01,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 452 [2022-07-21 14:59:01,013 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:59:01,014 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] [2022-07-21 14:59:01,089 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-21 14:59:01,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:59:01,228 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)] === [2022-07-21 14:59:01,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:59:01,229 INFO L85 PathProgramCache]: Analyzing trace with hash 917712089, now seen corresponding path program 1 times [2022-07-21 14:59:01,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:59:01,233 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1420239962] [2022-07-21 14:59:01,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:59:01,233 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:59:01,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:59:01,235 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) [2022-07-21 14:59:01,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 14:59:04,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:04,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 4281 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:59:04,924 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:59:05,649 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2022-07-21 14:59:05,649 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:59:05,650 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:59:05,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1420239962] [2022-07-21 14:59:05,650 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1420239962] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:59:05,650 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:59:05,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:59:05,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867890897] [2022-07-21 14:59:05,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:59:05,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:59:05,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:59:05,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:59:05,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:59:05,652 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) [2022-07-21 14:59:07,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:59:07,596 INFO L93 Difference]: Finished difference Result 12524 states and 17775 transitions. [2022-07-21 14:59:07,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:59:07,597 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 [2022-07-21 14:59:07,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:59:07,634 INFO L225 Difference]: With dead ends: 12524 [2022-07-21 14:59:07,634 INFO L226 Difference]: Without dead ends: 7509 [2022-07-21 14:59:07,657 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 [2022-07-21 14:59:07,658 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, 1.7s IncrementalHoareTripleChecker+Time [2022-07-21 14:59:07,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3495 Valid, 8041 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-21 14:59:07,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7509 states. [2022-07-21 14:59:07,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7509 to 7490. [2022-07-21 14:59:07,877 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) [2022-07-21 14:59:08,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7490 states to 7490 states and 10613 transitions. [2022-07-21 14:59:08,004 INFO L78 Accepts]: Start accepts. Automaton has 7490 states and 10613 transitions. Word has length 451 [2022-07-21 14:59:08,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:59:08,005 INFO L495 AbstractCegarLoop]: Abstraction has 7490 states and 10613 transitions. [2022-07-21 14:59:08,006 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) [2022-07-21 14:59:08,006 INFO L276 IsEmpty]: Start isEmpty. Operand 7490 states and 10613 transitions. [2022-07-21 14:59:08,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2022-07-21 14:59:08,013 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:59:08,014 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] [2022-07-21 14:59:08,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 14:59:08,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:59:08,240 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)] === [2022-07-21 14:59:08,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:59:08,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1058463004, now seen corresponding path program 1 times [2022-07-21 14:59:08,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:59:08,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [800796307] [2022-07-21 14:59:08,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:59:08,245 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:59:08,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:59:08,250 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) [2022-07-21 14:59:08,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 14:59:11,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:11,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 4283 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:59:11,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:59:12,410 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2022-07-21 14:59:12,411 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:59:12,411 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:59:12,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [800796307] [2022-07-21 14:59:12,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [800796307] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:59:12,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:59:12,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:59:12,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921177327] [2022-07-21 14:59:12,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:59:12,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:59:12,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:59:12,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:59:12,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:59:12,412 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) [2022-07-21 14:59:14,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:59:14,569 INFO L93 Difference]: Finished difference Result 19722 states and 27920 transitions. [2022-07-21 14:59:14,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:59:14,572 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 [2022-07-21 14:59:14,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:59:14,645 INFO L225 Difference]: With dead ends: 19722 [2022-07-21 14:59:14,646 INFO L226 Difference]: Without dead ends: 12309 [2022-07-21 14:59:14,672 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 [2022-07-21 14:59:14,674 INFO L413 NwaCegarLoop]: 4428 mSDtfsCounter, 3495 mSDsluCounter, 3686 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3495 SdHoareTripleChecker+Valid, 8114 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-21 14:59:14,675 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3495 Valid, 8114 Invalid, 74 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [13 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-21 14:59:14,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12309 states. [2022-07-21 14:59:14,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12309 to 12286. [2022-07-21 14:59:14,999 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) [2022-07-21 14:59:15,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12286 states to 12286 states and 17367 transitions. [2022-07-21 14:59:15,127 INFO L78 Accepts]: Start accepts. Automaton has 12286 states and 17367 transitions. Word has length 453 [2022-07-21 14:59:15,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:59:15,128 INFO L495 AbstractCegarLoop]: Abstraction has 12286 states and 17367 transitions. [2022-07-21 14:59:15,129 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) [2022-07-21 14:59:15,129 INFO L276 IsEmpty]: Start isEmpty. Operand 12286 states and 17367 transitions. [2022-07-21 14:59:15,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 453 [2022-07-21 14:59:15,136 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:59:15,137 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] [2022-07-21 14:59:15,223 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 14:59:15,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:59:15,344 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)] === [2022-07-21 14:59:15,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:59:15,344 INFO L85 PathProgramCache]: Analyzing trace with hash -181016849, now seen corresponding path program 1 times [2022-07-21 14:59:15,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:59:15,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1038721982] [2022-07-21 14:59:15,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:59:15,349 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:59:15,349 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:59:15,353 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) [2022-07-21 14:59:15,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 14:59:18,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:18,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 4282 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:59:18,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:59:19,562 INFO L134 CoverageAnalysis]: Checked inductivity of 5787 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5679 trivial. 0 not checked. [2022-07-21 14:59:19,563 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:59:19,563 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:59:19,563 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1038721982] [2022-07-21 14:59:19,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1038721982] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:59:19,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:59:19,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:59:19,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435678378] [2022-07-21 14:59:19,563 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:59:19,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:59:19,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:59:19,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:59:19,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:59:19,564 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) [2022-07-21 14:59:21,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:59:21,691 INFO L93 Difference]: Finished difference Result 33550 states and 47428 transitions. [2022-07-21 14:59:21,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:59:21,692 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 [2022-07-21 14:59:21,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:59:21,784 INFO L225 Difference]: With dead ends: 33550 [2022-07-21 14:59:21,784 INFO L226 Difference]: Without dead ends: 21341 [2022-07-21 14:59:21,832 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 [2022-07-21 14:59:21,834 INFO L413 NwaCegarLoop]: 4793 mSDtfsCounter, 3495 mSDsluCounter, 3685 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3495 SdHoareTripleChecker+Valid, 8478 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-21 14:59:21,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3495 Valid, 8478 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-21 14:59:21,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21341 states. [2022-07-21 14:59:22,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21341 to 21320. [2022-07-21 14:59:22,560 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) [2022-07-21 14:59:22,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21320 states to 21320 states and 30103 transitions. [2022-07-21 14:59:22,761 INFO L78 Accepts]: Start accepts. Automaton has 21320 states and 30103 transitions. Word has length 452 [2022-07-21 14:59:22,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:59:22,775 INFO L495 AbstractCegarLoop]: Abstraction has 21320 states and 30103 transitions. [2022-07-21 14:59:22,776 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) [2022-07-21 14:59:22,776 INFO L276 IsEmpty]: Start isEmpty. Operand 21320 states and 30103 transitions. [2022-07-21 14:59:22,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2022-07-21 14:59:22,781 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:59:22,781 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] [2022-07-21 14:59:22,943 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-21 14:59:22,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:59:22,983 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)] === [2022-07-21 14:59:22,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:59:22,983 INFO L85 PathProgramCache]: Analyzing trace with hash 1137359935, now seen corresponding path program 1 times [2022-07-21 14:59:22,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:59:22,987 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [997772096] [2022-07-21 14:59:22,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:59:22,988 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:59:22,988 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:59:22,996 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) [2022-07-21 14:59:23,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 14:59:26,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:26,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 4204 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:59:26,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:59:27,834 INFO L134 CoverageAnalysis]: Checked inductivity of 5781 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5673 trivial. 0 not checked. [2022-07-21 14:59:27,834 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:59:27,834 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:59:27,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [997772096] [2022-07-21 14:59:27,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [997772096] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:59:27,834 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:59:27,834 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:59:27,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259686537] [2022-07-21 14:59:27,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:59:27,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:59:27,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:59:27,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:59:27,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:59:27,835 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) [2022-07-21 14:59:30,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:59:30,018 INFO L93 Difference]: Finished difference Result 62172 states and 87826 transitions. [2022-07-21 14:59:30,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:59:30,019 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 [2022-07-21 14:59:30,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:59:30,257 INFO L225 Difference]: With dead ends: 62172 [2022-07-21 14:59:30,257 INFO L226 Difference]: Without dead ends: 40929 [2022-07-21 14:59:30,479 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 [2022-07-21 14:59:30,479 INFO L413 NwaCegarLoop]: 4620 mSDtfsCounter, 3443 mSDsluCounter, 3702 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.5s IncrementalHoareTripleChecker+Time [2022-07-21 14:59:30,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3443 Valid, 8322 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-21 14:59:30,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40929 states. [2022-07-21 14:59:31,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40929 to 40894. [2022-07-21 14:59:31,609 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) [2022-07-21 14:59:31,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40894 states to 40894 states and 57702 transitions. [2022-07-21 14:59:31,775 INFO L78 Accepts]: Start accepts. Automaton has 40894 states and 57702 transitions. Word has length 457 [2022-07-21 14:59:31,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:59:31,776 INFO L495 AbstractCegarLoop]: Abstraction has 40894 states and 57702 transitions. [2022-07-21 14:59:31,776 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) [2022-07-21 14:59:31,776 INFO L276 IsEmpty]: Start isEmpty. Operand 40894 states and 57702 transitions. [2022-07-21 14:59:31,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 473 [2022-07-21 14:59:31,783 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:59:31,783 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] [2022-07-21 14:59:31,865 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-21 14:59:32,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:59:32,007 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)] === [2022-07-21 14:59:32,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:59:32,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1230218159, now seen corresponding path program 1 times [2022-07-21 14:59:32,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:59:32,013 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [477299043] [2022-07-21 14:59:32,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:59:32,013 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:59:32,014 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:59:32,015 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) [2022-07-21 14:59:32,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-21 14:59:35,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:35,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 4336 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:59:35,570 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:59:36,450 INFO L134 CoverageAnalysis]: Checked inductivity of 5784 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5676 trivial. 0 not checked. [2022-07-21 14:59:36,451 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:59:36,451 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:59:36,451 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [477299043] [2022-07-21 14:59:36,451 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [477299043] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:59:36,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:59:36,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:59:36,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10097876] [2022-07-21 14:59:36,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:59:36,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:59:36,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:59:36,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:59:36,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:59:36,452 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) [2022-07-21 14:59:40,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:59:40,056 INFO L93 Difference]: Finished difference Result 98834 states and 138403 transitions. [2022-07-21 14:59:40,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:59:40,057 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 [2022-07-21 14:59:40,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:59:40,558 INFO L225 Difference]: With dead ends: 98834 [2022-07-21 14:59:40,558 INFO L226 Difference]: Without dead ends: 58017 [2022-07-21 14:59:40,693 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 [2022-07-21 14:59:40,695 INFO L413 NwaCegarLoop]: 4277 mSDtfsCounter, 2046 mSDsluCounter, 3651 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s 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, 2.4s IncrementalHoareTripleChecker+Time [2022-07-21 14:59:40,695 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2046 Valid, 7928 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-21 14:59:40,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58017 states. [2022-07-21 14:59:42,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58017 to 57968. [2022-07-21 14:59:42,550 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) [2022-07-21 14:59:43,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57968 states to 57968 states and 80603 transitions. [2022-07-21 14:59:43,061 INFO L78 Accepts]: Start accepts. Automaton has 57968 states and 80603 transitions. Word has length 472 [2022-07-21 14:59:43,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:59:43,062 INFO L495 AbstractCegarLoop]: Abstraction has 57968 states and 80603 transitions. [2022-07-21 14:59:43,062 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) [2022-07-21 14:59:43,062 INFO L276 IsEmpty]: Start isEmpty. Operand 57968 states and 80603 transitions. [2022-07-21 14:59:43,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2022-07-21 14:59:43,072 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:59:43,072 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] [2022-07-21 14:59:43,163 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-21 14:59:43,287 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:59:43,288 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)] === [2022-07-21 14:59:43,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:59:43,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1257194897, now seen corresponding path program 1 times [2022-07-21 14:59:43,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:59:43,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [159328616] [2022-07-21 14:59:43,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:59:43,293 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:59:43,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:59:43,304 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) [2022-07-21 14:59:43,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-21 14:59:46,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:46,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 4245 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:59:46,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 14:59:47,592 INFO L134 CoverageAnalysis]: Checked inductivity of 5903 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 5673 trivial. 0 not checked. [2022-07-21 14:59:47,592 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 14:59:47,592 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 14:59:47,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [159328616] [2022-07-21 14:59:47,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [159328616] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 14:59:47,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 14:59:47,592 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 14:59:47,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332945226] [2022-07-21 14:59:47,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 14:59:47,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 14:59:47,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 14:59:47,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 14:59:47,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 14:59:47,593 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) [2022-07-21 14:59:50,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 14:59:50,415 INFO L93 Difference]: Finished difference Result 171407 states and 238620 transitions. [2022-07-21 14:59:50,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 14:59:50,416 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 [2022-07-21 14:59:50,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 14:59:51,052 INFO L225 Difference]: With dead ends: 171407 [2022-07-21 14:59:51,052 INFO L226 Difference]: Without dead ends: 113516 [2022-07-21 14:59:51,218 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 [2022-07-21 14:59:51,219 INFO L413 NwaCegarLoop]: 7073 mSDtfsCounter, 3598 mSDsluCounter, 3721 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3598 SdHoareTripleChecker+Valid, 10794 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-21 14:59:51,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3598 Valid, 10794 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-21 14:59:51,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113516 states. [2022-07-21 14:59:54,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113516 to 113437. [2022-07-21 14:59:54,518 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) [2022-07-21 14:59:55,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113437 states to 113437 states and 157952 transitions. [2022-07-21 14:59:55,385 INFO L78 Accepts]: Start accepts. Automaton has 113437 states and 157952 transitions. Word has length 484 [2022-07-21 14:59:55,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 14:59:55,386 INFO L495 AbstractCegarLoop]: Abstraction has 113437 states and 157952 transitions. [2022-07-21 14:59:55,386 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) [2022-07-21 14:59:55,386 INFO L276 IsEmpty]: Start isEmpty. Operand 113437 states and 157952 transitions. [2022-07-21 14:59:55,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2022-07-21 14:59:55,391 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 14:59:55,391 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] [2022-07-21 14:59:55,483 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-21 14:59:55,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 14:59:55,620 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)] === [2022-07-21 14:59:55,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 14:59:55,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1848482839, now seen corresponding path program 1 times [2022-07-21 14:59:55,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 14:59:55,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1084602611] [2022-07-21 14:59:55,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 14:59:55,624 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 14:59:55,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 14:59:55,626 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) [2022-07-21 14:59:55,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-21 14:59:58,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 14:59:59,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 4172 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 14:59:59,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:00:00,172 INFO L134 CoverageAnalysis]: Checked inductivity of 6160 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 6015 trivial. 0 not checked. [2022-07-21 15:00:00,173 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:00:00,173 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:00:00,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1084602611] [2022-07-21 15:00:00,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1084602611] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:00:00,173 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:00:00,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 15:00:00,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052512787] [2022-07-21 15:00:00,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:00:00,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 15:00:00,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:00:00,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 15:00:00,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 15:00:00,174 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) [2022-07-21 15:00:07,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:00:07,299 INFO L93 Difference]: Finished difference Result 334738 states and 466499 transitions. [2022-07-21 15:00:07,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 15:00:07,300 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 [2022-07-21 15:00:07,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:00:08,663 INFO L225 Difference]: With dead ends: 334738 [2022-07-21 15:00:08,664 INFO L226 Difference]: Without dead ends: 221593 [2022-07-21 15:00:09,365 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 [2022-07-21 15:00:09,368 INFO L413 NwaCegarLoop]: 7219 mSDtfsCounter, 3481 mSDsluCounter, 3698 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.5s IncrementalHoareTripleChecker+Time [2022-07-21 15:00:09,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3481 Valid, 10917 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-21 15:00:09,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221593 states. [2022-07-21 15:00:15,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221593 to 221589. [2022-07-21 15:00:15,863 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) [2022-07-21 15:00:17,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221589 states to 221589 states and 308208 transitions. [2022-07-21 15:00:17,627 INFO L78 Accepts]: Start accepts. Automaton has 221589 states and 308208 transitions. Word has length 493 [2022-07-21 15:00:17,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:00:17,628 INFO L495 AbstractCegarLoop]: Abstraction has 221589 states and 308208 transitions. [2022-07-21 15:00:17,629 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) [2022-07-21 15:00:17,629 INFO L276 IsEmpty]: Start isEmpty. Operand 221589 states and 308208 transitions. [2022-07-21 15:00:17,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 494 [2022-07-21 15:00:17,634 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:00:17,635 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] [2022-07-21 15:00:17,720 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-21 15:00:17,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:00:17,841 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)] === [2022-07-21 15:00:17,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:00:17,841 INFO L85 PathProgramCache]: Analyzing trace with hash -1146882965, now seen corresponding path program 1 times [2022-07-21 15:00:17,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:00:17,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2016636368] [2022-07-21 15:00:17,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:00:17,847 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:00:17,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:00:17,848 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) [2022-07-21 15:00:17,849 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-21 15:00:20,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:21,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 4172 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 15:00:21,208 INFO L286 TraceCheckSpWp]: Computing forward predicates...