./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2bf48d35d7133b2e8327bc0634357c212875c286543fcf18078150bbf7eff020 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 02:08:34,053 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 02:08:34,055 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 02:08:34,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 02:08:34,100 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 02:08:34,101 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 02:08:34,103 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 02:08:34,105 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 02:08:34,106 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 02:08:34,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 02:08:34,110 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 02:08:34,112 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 02:08:34,112 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 02:08:34,113 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 02:08:34,114 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 02:08:34,116 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 02:08:34,117 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 02:08:34,118 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 02:08:34,119 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 02:08:34,123 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 02:08:34,124 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 02:08:34,125 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 02:08:34,125 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 02:08:34,126 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 02:08:34,127 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 02:08:34,132 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 02:08:34,132 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 02:08:34,132 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 02:08:34,133 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 02:08:34,133 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 02:08:34,134 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 02:08:34,134 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 02:08:34,136 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 02:08:34,136 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 02:08:34,137 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 02:08:34,137 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 02:08:34,137 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 02:08:34,138 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 02:08:34,138 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 02:08:34,138 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 02:08:34,139 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 02:08:34,140 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 02:08:34,141 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 02:08:34,163 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 02:08:34,164 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 02:08:34,164 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 02:08:34,164 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 02:08:34,165 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 02:08:34,165 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 02:08:34,165 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 02:08:34,165 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 02:08:34,166 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 02:08:34,166 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 02:08:34,166 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 02:08:34,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 02:08:34,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 02:08:34,167 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 02:08:34,167 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 02:08:34,167 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 02:08:34,167 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 02:08:34,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 02:08:34,168 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 02:08:34,168 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 02:08:34,168 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 02:08:34,168 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 02:08:34,168 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 02:08:34,169 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 02:08:34,169 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 02:08:34,169 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 02:08:34,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 02:08:34,169 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 02:08:34,169 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 02:08:34,170 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 02:08:34,170 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bf48d35d7133b2e8327bc0634357c212875c286543fcf18078150bbf7eff020 [2022-07-20 02:08:34,375 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 02:08:34,397 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 02:08:34,399 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 02:08:34,399 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 02:08:34,400 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 02:08:34,401 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i [2022-07-20 02:08:34,467 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34b77d4dd/47132cbacd5142d088c7628d505b5f6e/FLAG6898d5842 [2022-07-20 02:08:35,284 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 02:08:35,285 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i [2022-07-20 02:08:35,331 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34b77d4dd/47132cbacd5142d088c7628d505b5f6e/FLAG6898d5842 [2022-07-20 02:08:35,482 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34b77d4dd/47132cbacd5142d088c7628d505b5f6e [2022-07-20 02:08:35,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 02:08:35,485 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 02:08:35,487 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 02:08:35,487 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 02:08:35,489 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 02:08:35,490 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:08:35" (1/1) ... [2022-07-20 02:08:35,490 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8cfac9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:08:35, skipping insertion in model container [2022-07-20 02:08:35,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:08:35" (1/1) ... [2022-07-20 02:08:35,495 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 02:08:35,600 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 02:08:39,392 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[469707,469720] [2022-07-20 02:08:39,395 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[469873,469886] [2022-07-20 02:08:39,395 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[470037,470050] [2022-07-20 02:08:39,396 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[470202,470215] [2022-07-20 02:08:39,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:08:39,498 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 02:08:39,668 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.AssertionError: HeapLValues must be converted to RValue before their value can be queried. at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:517) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.abstractAssginWithBitwiseOp(IntegerTranslation.java:973) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:737) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:372) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1397) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-20 02:08:39,673 INFO L158 Benchmark]: Toolchain (without parser) took 4187.52ms. Allocated memory was 109.1MB in the beginning and 266.3MB in the end (delta: 157.3MB). Free memory was 75.7MB in the beginning and 181.7MB in the end (delta: -106.0MB). Peak memory consumption was 90.2MB. Max. memory is 16.1GB. [2022-07-20 02:08:39,674 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 79.7MB. Free memory was 36.7MB in the beginning and 36.6MB in the end (delta: 36.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 02:08:39,674 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4184.94ms. Allocated memory was 109.1MB in the beginning and 266.3MB in the end (delta: 157.3MB). Free memory was 75.7MB in the beginning and 181.7MB in the end (delta: -106.0MB). Peak memory consumption was 90.2MB. Max. memory is 16.1GB. [2022-07-20 02:08:39,676 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 79.7MB. Free memory was 36.7MB in the beginning and 36.6MB in the end (delta: 36.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4184.94ms. Allocated memory was 109.1MB in the beginning and 266.3MB in the end (delta: 157.3MB). Free memory was 75.7MB in the beginning and 181.7MB in the end (delta: -106.0MB). Peak memory consumption was 90.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: AssertionError: HeapLValues must be converted to RValue before their value can be queried. de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: AssertionError: HeapLValues must be converted to RValue before their value can be queried.: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.result.HeapLValue.getValue(HeapLValue.java:74) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 2bf48d35d7133b2e8327bc0634357c212875c286543fcf18078150bbf7eff020 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 02:08:41,466 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 02:08:41,468 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 02:08:41,507 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 02:08:41,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 02:08:41,508 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 02:08:41,511 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 02:08:41,513 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 02:08:41,515 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 02:08:41,518 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 02:08:41,519 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 02:08:41,521 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 02:08:41,521 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 02:08:41,522 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 02:08:41,523 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 02:08:41,528 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 02:08:41,528 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 02:08:41,530 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 02:08:41,531 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 02:08:41,535 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 02:08:41,536 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 02:08:41,537 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 02:08:41,538 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 02:08:41,539 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 02:08:41,540 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 02:08:41,545 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 02:08:41,546 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 02:08:41,546 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 02:08:41,546 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 02:08:41,547 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 02:08:41,548 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 02:08:41,548 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 02:08:41,549 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 02:08:41,550 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 02:08:41,552 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 02:08:41,552 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 02:08:41,553 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 02:08:41,553 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 02:08:41,553 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 02:08:41,554 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 02:08:41,554 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 02:08:41,555 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 02:08:41,559 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-20 02:08:41,582 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 02:08:41,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 02:08:41,583 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 02:08:41,583 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 02:08:41,584 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 02:08:41,584 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 02:08:41,584 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 02:08:41,585 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 02:08:41,585 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 02:08:41,585 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 02:08:41,586 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 02:08:41,586 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 02:08:41,586 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 02:08:41,586 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 02:08:41,586 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-20 02:08:41,586 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-20 02:08:41,587 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-20 02:08:41,587 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 02:08:41,587 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 02:08:41,587 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 02:08:41,587 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 02:08:41,587 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 02:08:41,587 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 02:08:41,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 02:08:41,588 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 02:08:41,588 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 02:08:41,588 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 02:08:41,588 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-20 02:08:41,588 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-20 02:08:41,588 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 02:08:41,589 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 02:08:41,589 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 02:08:41,589 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-20 02:08:41,589 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bf48d35d7133b2e8327bc0634357c212875c286543fcf18078150bbf7eff020 [2022-07-20 02:08:41,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 02:08:41,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 02:08:41,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 02:08:41,917 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 02:08:41,917 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 02:08:41,919 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i [2022-07-20 02:08:41,960 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24b4c9093/fd9a448945734378ac292205e3ccb379/FLAG60786ac33 [2022-07-20 02:08:42,741 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 02:08:42,742 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i [2022-07-20 02:08:42,794 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24b4c9093/fd9a448945734378ac292205e3ccb379/FLAG60786ac33 [2022-07-20 02:08:42,993 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/24b4c9093/fd9a448945734378ac292205e3ccb379 [2022-07-20 02:08:42,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 02:08:42,996 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 02:08:42,998 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 02:08:42,998 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 02:08:43,000 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 02:08:43,001 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:08:42" (1/1) ... [2022-07-20 02:08:43,002 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@772fc6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:08:43, skipping insertion in model container [2022-07-20 02:08:43,002 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 02:08:42" (1/1) ... [2022-07-20 02:08:43,006 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 02:08:43,174 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 02:08:45,951 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[469707,469720] [2022-07-20 02:08:45,953 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[469873,469886] [2022-07-20 02:08:45,954 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[470037,470050] [2022-07-20 02:08:45,955 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[470202,470215] [2022-07-20 02:08:45,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:08:46,090 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-20 02:08:46,155 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 02:08:46,569 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[469707,469720] [2022-07-20 02:08:46,570 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[469873,469886] [2022-07-20 02:08:46,570 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[470037,470050] [2022-07-20 02:08:46,571 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[470202,470215] [2022-07-20 02:08:46,576 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:08:46,633 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 02:08:46,956 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[469707,469720] [2022-07-20 02:08:46,957 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[469873,469886] [2022-07-20 02:08:46,957 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[470037,470050] [2022-07-20 02:08:46,957 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i[470202,470215] [2022-07-20 02:08:46,964 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 02:08:47,135 INFO L208 MainTranslator]: Completed translation [2022-07-20 02:08:47,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:08:47 WrapperNode [2022-07-20 02:08:47,136 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 02:08:47,138 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 02:08:47,138 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 02:08:47,138 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 02:08:47,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:08:47" (1/1) ... [2022-07-20 02:08:47,335 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:08:47" (1/1) ... [2022-07-20 02:08:47,572 INFO L137 Inliner]: procedures = 553, calls = 6232, calls flagged for inlining = 274, calls inlined = 248, statements flattened = 8679 [2022-07-20 02:08:47,573 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 02:08:47,575 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 02:08:47,575 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 02:08:47,576 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 02:08:47,583 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:08:47" (1/1) ... [2022-07-20 02:08:47,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:08:47" (1/1) ... [2022-07-20 02:08:47,634 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:08:47" (1/1) ... [2022-07-20 02:08:47,635 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:08:47" (1/1) ... [2022-07-20 02:08:47,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:08:47" (1/1) ... [2022-07-20 02:08:47,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:08:47" (1/1) ... [2022-07-20 02:08:47,798 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:08:47" (1/1) ... [2022-07-20 02:08:47,826 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 02:08:47,827 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 02:08:47,827 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 02:08:47,827 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 02:08:47,828 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:08:47" (1/1) ... [2022-07-20 02:08:47,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 02:08:47,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 02:08:47,849 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) [2022-07-20 02:08:47,895 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 [2022-07-20 02:08:47,906 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_lock_of_islpci_acl [2022-07-20 02:08:47,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_lock_of_islpci_acl [2022-07-20 02:08:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_le_to_cpu [2022-07-20 02:08:47,907 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_le_to_cpu [2022-07-20 02:08:47,907 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_eth_tx_timeout [2022-07-20 02:08:47,908 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_eth_tx_timeout [2022-07-20 02:08:47,908 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-20 02:08:47,908 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-20 02:08:47,908 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-20 02:08:47,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 02:08:47,909 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 02:08:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_trigger [2022-07-20 02:08:47,909 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_trigger [2022-07-20 02:08:47,909 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-20 02:08:47,909 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-20 02:08:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 02:08:47,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 02:08:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_mib_mode_helper [2022-07-20 02:08:47,910 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_mib_mode_helper [2022-07-20 02:08:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-20 02:08:47,910 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-20 02:08:47,910 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-20 02:08:47,911 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-20 02:08:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 02:08:47,911 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 02:08:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set_request [2022-07-20 02:08:47,911 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set_request [2022-07-20 02:08:47,911 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_cpu_to_le [2022-07-20 02:08:47,911 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_cpu_to_le [2022-07-20 02:08:47,912 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-20 02:08:47,912 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_get_state [2022-07-20 02:08:47,912 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_get_state [2022-07-20 02:08:47,912 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-20 02:08:47,912 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-20 02:08:47,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 02:08:47,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 02:08:47,912 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-20 02:08:47,913 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-20 02:08:47,913 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-20 02:08:47,913 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-20 02:08:47,913 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_release [2022-07-20 02:08:47,913 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_release [2022-07-20 02:08:47,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 02:08:47,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 02:08:47,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-20 02:08:47,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-20 02:08:47,914 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-20 02:08:47,914 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-20 02:08:47,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2022-07-20 02:08:47,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2022-07-20 02:08:47,915 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-20 02:08:47,915 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-20 02:08:47,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 02:08:47,915 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_wpa_lock_of_NOT_ARG_SIGN [2022-07-20 02:08:47,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_wpa_lock_of_NOT_ARG_SIGN [2022-07-20 02:08:47,915 INFO L130 BoogieDeclarations]: Found specification of procedure send_simple_event [2022-07-20 02:08:47,916 INFO L138 BoogieDeclarations]: Found implementation of procedure send_simple_event [2022-07-20 02:08:47,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-20 02:08:47,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-20 02:08:47,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-20 02:08:47,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-20 02:08:47,916 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-20 02:08:47,916 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-20 02:08:47,917 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-20 02:08:47,917 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-20 02:08:47,917 INFO L130 BoogieDeclarations]: Found specification of procedure send_formatted_event [2022-07-20 02:08:47,917 INFO L138 BoogieDeclarations]: Found implementation of procedure send_formatted_event [2022-07-20 02:08:47,917 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set [2022-07-20 02:08:47,917 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set [2022-07-20 02:08:47,917 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-20 02:08:47,917 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-20 02:08:47,918 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-20 02:08:47,918 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-20 02:08:47,918 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_reset [2022-07-20 02:08:47,918 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_reset [2022-07-20 02:08:47,918 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-20 02:08:47,918 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-20 02:08:47,918 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-20 02:08:47,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-20 02:08:47,919 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2022-07-20 02:08:47,919 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2022-07-20 02:08:47,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 02:08:47,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 02:08:47,919 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-20 02:08:47,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-20 02:08:47,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 02:08:47,920 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 02:08:47,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-20 02:08:47,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-20 02:08:47,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-20 02:08:47,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-20 02:08:47,920 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_open [2022-07-20 02:08:47,920 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_open [2022-07-20 02:08:47,920 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_resume [2022-07-20 02:08:47,921 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_resume [2022-07-20 02:08:47,921 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-20 02:08:47,921 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-20 02:08:47,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 02:08:47,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-20 02:08:47,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-20 02:08:47,921 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-20 02:08:47,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-20 02:08:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2022-07-20 02:08:47,922 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2022-07-20 02:08:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-20 02:08:47,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-20 02:08:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 02:08:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 02:08:47,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 02:08:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-20 02:08:47,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-20 02:08:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 02:08:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-20 02:08:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-20 02:08:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-20 02:08:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 02:08:47,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 02:08:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-20 02:08:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_stats_lock_of_NOT_ARG_SIGN [2022-07-20 02:08:47,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_stats_lock_of_NOT_ARG_SIGN [2022-07-20 02:08:47,924 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-20 02:08:47,925 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-20 02:08:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-20 02:08:47,925 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-20 02:08:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 02:08:47,925 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 02:08:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_wpa_lock_of_NOT_ARG_SIGN [2022-07-20 02:08:47,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_wpa_lock_of_NOT_ARG_SIGN [2022-07-20 02:08:47,925 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-20 02:08:47,926 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-20 02:08:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-20 02:08:47,926 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-20 02:08:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-07-20 02:08:47,926 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-07-20 02:08:47,926 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-20 02:08:47,926 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-20 02:08:47,927 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-20 02:08:47,927 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-20 02:08:47,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-20 02:08:47,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_prism54_module_exit_12_2 [2022-07-20 02:08:47,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_prism54_module_exit_12_2 [2022-07-20 02:08:47,927 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2022-07-20 02:08:47,927 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2022-07-20 02:08:47,927 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-20 02:08:47,928 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-20 02:08:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 02:08:47,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 02:08:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2022-07-20 02:08:47,928 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2022-07-20 02:08:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-20 02:08:47,928 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-20 02:08:47,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-20 02:08:47,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-20 02:08:47,929 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-20 02:08:47,929 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_clear_mac [2022-07-20 02:08:47,929 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_clear_mac [2022-07-20 02:08:47,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-20 02:08:47,929 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_wpa_bss_ie_get [2022-07-20 02:08:47,929 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_wpa_bss_ie_get [2022-07-20 02:08:47,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-20 02:08:47,929 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 02:08:47,930 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-20 02:08:47,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 02:08:47,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 02:08:47,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 02:08:47,930 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-20 02:08:47,930 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-20 02:08:47,930 INFO L130 BoogieDeclarations]: Found specification of procedure handle_request [2022-07-20 02:08:47,930 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_request [2022-07-20 02:08:47,930 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_bring_down [2022-07-20 02:08:47,931 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_bring_down [2022-07-20 02:08:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_stats_lock_of_NOT_ARG_SIGN [2022-07-20 02:08:47,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_stats_lock_of_NOT_ARG_SIGN [2022-07-20 02:08:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-20 02:08:47,931 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-20 02:08:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 02:08:47,931 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 02:08:47,931 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-20 02:08:47,932 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-20 02:08:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-20 02:08:47,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-20 02:08:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-20 02:08:47,932 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-20 02:08:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-20 02:08:47,932 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-20 02:08:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 02:08:47,932 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-20 02:08:47,933 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-20 02:08:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_set_state [2022-07-20 02:08:47,933 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_set_state [2022-07-20 02:08:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2022-07-20 02:08:47,933 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2022-07-20 02:08:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 02:08:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set_varlen [2022-07-20 02:08:47,933 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set_varlen [2022-07-20 02:08:47,933 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-07-20 02:08:47,934 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-07-20 02:08:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-20 02:08:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2022-07-20 02:08:47,934 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2022-07-20 02:08:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-20 02:08:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-20 02:08:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-20 02:08:47,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 02:08:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_close [2022-07-20 02:08:47,935 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_close [2022-07-20 02:08:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-07-20 02:08:47,935 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-07-20 02:08:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_get_request [2022-07-20 02:08:47,935 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_get_request [2022-07-20 02:08:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-20 02:08:47,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-20 02:08:47,935 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-20 02:08:47,936 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-20 02:08:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-20 02:08:47,936 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-20 02:08:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-20 02:08:47,936 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-20 02:08:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_remove [2022-07-20 02:08:47,936 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_remove [2022-07-20 02:08:47,936 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_w32_flush [2022-07-20 02:08:47,936 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_w32_flush [2022-07-20 02:08:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 02:08:47,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 02:08:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-20 02:08:47,937 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-20 02:08:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-07-20 02:08:47,937 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-07-20 02:08:47,937 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-20 02:08:47,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-20 02:08:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-07-20 02:08:47,938 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-07-20 02:08:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit_list [2022-07-20 02:08:47,938 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit_list [2022-07-20 02:08:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-20 02:08:47,938 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-20 02:08:47,938 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-20 02:08:47,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-20 02:08:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-20 02:08:47,939 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-20 02:08:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-20 02:08:47,939 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-20 02:08:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgmt_rx_fill [2022-07-20 02:08:47,939 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgmt_rx_fill [2022-07-20 02:08:47,939 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_transaction [2022-07-20 02:08:47,939 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_transaction [2022-07-20 02:08:47,940 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 02:08:47,940 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 02:08:47,940 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-20 02:08:47,940 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-20 02:08:47,940 INFO L130 BoogieDeclarations]: Found specification of procedure channel_of_freq [2022-07-20 02:08:47,940 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_of_freq [2022-07-20 02:08:47,940 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-07-20 02:08:47,940 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-07-20 02:08:47,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-20 02:08:47,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-20 02:08:47,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-20 02:08:47,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-20 02:08:47,941 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-07-20 02:08:47,941 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-07-20 02:08:47,941 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 02:08:47,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 02:08:47,941 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_free_memory [2022-07-20 02:08:47,942 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_free_memory [2022-07-20 02:08:47,942 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_islpci_acl [2022-07-20 02:08:47,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_islpci_acl [2022-07-20 02:08:47,942 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit [2022-07-20 02:08:47,942 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit [2022-07-20 02:08:47,942 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-20 02:08:47,942 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-20 02:08:47,942 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32s [2022-07-20 02:08:47,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32s [2022-07-20 02:08:47,943 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-07-20 02:08:47,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-07-20 02:08:47,943 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-20 02:08:47,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-20 02:08:47,943 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 02:08:47,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 02:08:47,943 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-20 02:08:47,943 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-20 02:08:47,944 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-07-20 02:08:47,944 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-07-20 02:08:47,944 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_in_queue [2022-07-20 02:08:47,944 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_in_queue [2022-07-20 02:08:47,944 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_islpci_acl [2022-07-20 02:08:47,944 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_islpci_acl [2022-07-20 02:08:47,944 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-20 02:08:47,944 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-20 02:08:47,944 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-20 02:08:47,945 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-20 02:08:47,945 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-20 02:08:47,945 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-20 02:08:47,945 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-20 02:08:47,945 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-20 02:08:47,945 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_disable_interrupts [2022-07-20 02:08:47,945 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_disable_interrupts [2022-07-20 02:08:48,907 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 02:08:48,909 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 02:08:52,711 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 02:09:44,989 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-20 02:09:48,790 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 02:09:48,806 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 02:09:48,806 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-07-20 02:09:48,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:09:48 BoogieIcfgContainer [2022-07-20 02:09:48,809 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 02:09:48,810 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 02:09:48,810 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 02:09:48,812 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 02:09:48,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 02:08:42" (1/3) ... [2022-07-20 02:09:48,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6778680e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:09:48, skipping insertion in model container [2022-07-20 02:09:48,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 02:08:47" (2/3) ... [2022-07-20 02:09:48,813 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6778680e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 02:09:48, skipping insertion in model container [2022-07-20 02:09:48,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 02:09:48" (3/3) ... [2022-07-20 02:09:48,814 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i [2022-07-20 02:09:48,823 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 02:09:48,823 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-07-20 02:09:48,878 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 02:09:48,882 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@2d0d8175, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@27179cff [2022-07-20 02:09:48,882 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-07-20 02:09:48,891 INFO L276 IsEmpty]: Start isEmpty. Operand has 2440 states, 1688 states have (on average 1.2938388625592416) internal successors, (2184), 1738 states have internal predecessors, (2184), 618 states have call successors, (618), 131 states have call predecessors, (618), 130 states have return successors, (612), 593 states have call predecessors, (612), 612 states have call successors, (612) [2022-07-20 02:09:48,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-07-20 02:09:48,906 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:09:48,906 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:09:48,907 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-20 02:09:48,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:09:48,910 INFO L85 PathProgramCache]: Analyzing trace with hash 38973541, now seen corresponding path program 1 times [2022-07-20 02:09:48,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:09:48,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [935297647] [2022-07-20 02:09:48,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:09:48,928 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:09:48,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:09:48,939 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) [2022-07-20 02:09:48,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-20 02:09:56,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:09:56,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 5159 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:09:57,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:09:57,179 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-07-20 02:09:57,179 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:09:57,180 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:09:57,180 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [935297647] [2022-07-20 02:09:57,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [935297647] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:09:57,180 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:09:57,180 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:09:57,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878648059] [2022-07-20 02:09:57,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:09:57,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:09:57,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:09:57,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:09:57,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:09:57,228 INFO L87 Difference]: Start difference. First operand has 2440 states, 1688 states have (on average 1.2938388625592416) internal successors, (2184), 1738 states have internal predecessors, (2184), 618 states have call successors, (618), 131 states have call predecessors, (618), 130 states have return successors, (612), 593 states have call predecessors, (612), 612 states have call successors, (612) Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-07-20 02:09:58,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:09:58,098 INFO L93 Difference]: Finished difference Result 7165 states and 10349 transitions. [2022-07-20 02:09:58,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:09:58,100 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 94 [2022-07-20 02:09:58,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:09:58,139 INFO L225 Difference]: With dead ends: 7165 [2022-07-20 02:09:58,139 INFO L226 Difference]: Without dead ends: 4726 [2022-07-20 02:09:58,164 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:09:58,169 INFO L413 NwaCegarLoop]: 3945 mSDtfsCounter, 3241 mSDsluCounter, 3268 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3241 SdHoareTripleChecker+Valid, 7213 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-20 02:09:58,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3241 Valid, 7213 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-20 02:09:58,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4726 states. [2022-07-20 02:09:58,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4726 to 4720. [2022-07-20 02:09:58,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4720 states, 3269 states have (on average 1.2633832976445396) internal successors, (4130), 3367 states have internal predecessors, (4130), 1191 states have call successors, (1191), 257 states have call predecessors, (1191), 256 states have return successors, (1187), 1149 states have call predecessors, (1187), 1187 states have call successors, (1187) [2022-07-20 02:09:58,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4720 states to 4720 states and 6508 transitions. [2022-07-20 02:09:58,424 INFO L78 Accepts]: Start accepts. Automaton has 4720 states and 6508 transitions. Word has length 94 [2022-07-20 02:09:58,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:09:58,428 INFO L495 AbstractCegarLoop]: Abstraction has 4720 states and 6508 transitions. [2022-07-20 02:09:58,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 3 states have internal predecessors, (34), 3 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-07-20 02:09:58,431 INFO L276 IsEmpty]: Start isEmpty. Operand 4720 states and 6508 transitions. [2022-07-20 02:09:58,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-07-20 02:09:58,435 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:09:58,435 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:09:58,554 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-20 02:09:58,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:09:58,656 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-20 02:09:58,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:09:58,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1061101067, now seen corresponding path program 1 times [2022-07-20 02:09:58,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:09:58,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1441091545] [2022-07-20 02:09:58,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:09:58,662 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:09:58,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:09:58,664 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) [2022-07-20 02:09:58,665 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-20 02:10:06,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:10:06,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 5185 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:10:06,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:10:06,975 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-07-20 02:10:06,975 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:10:06,975 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:10:06,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1441091545] [2022-07-20 02:10:06,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1441091545] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:10:06,975 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:10:06,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:10:06,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480548] [2022-07-20 02:10:06,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:10:06,976 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:10:06,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:10:06,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:10:06,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:10:06,977 INFO L87 Difference]: Start difference. First operand 4720 states and 6508 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-07-20 02:10:07,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:10:07,777 INFO L93 Difference]: Finished difference Result 11758 states and 16204 transitions. [2022-07-20 02:10:07,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:10:07,778 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 95 [2022-07-20 02:10:07,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:10:07,829 INFO L225 Difference]: With dead ends: 11758 [2022-07-20 02:10:07,829 INFO L226 Difference]: Without dead ends: 7055 [2022-07-20 02:10:07,857 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:10:07,861 INFO L413 NwaCegarLoop]: 3944 mSDtfsCounter, 3235 mSDsluCounter, 3312 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3235 SdHoareTripleChecker+Valid, 7256 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-20 02:10:07,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3235 Valid, 7256 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-20 02:10:07,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7055 states. [2022-07-20 02:10:08,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7055 to 7033. [2022-07-20 02:10:08,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7033 states, 4872 states have (on average 1.2610837438423645) internal successors, (6144), 5021 states have internal predecessors, (6144), 1772 states have call successors, (1772), 386 states have call predecessors, (1772), 385 states have return successors, (1768), 1706 states have call predecessors, (1768), 1768 states have call successors, (1768) [2022-07-20 02:10:08,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7033 states to 7033 states and 9684 transitions. [2022-07-20 02:10:08,127 INFO L78 Accepts]: Start accepts. Automaton has 7033 states and 9684 transitions. Word has length 95 [2022-07-20 02:10:08,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:10:08,128 INFO L495 AbstractCegarLoop]: Abstraction has 7033 states and 9684 transitions. [2022-07-20 02:10:08,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 3 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-07-20 02:10:08,128 INFO L276 IsEmpty]: Start isEmpty. Operand 7033 states and 9684 transitions. [2022-07-20 02:10:08,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-07-20 02:10:08,131 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:10:08,132 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:10:08,284 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-20 02:10:08,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:10:08,355 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-20 02:10:08,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:10:08,356 INFO L85 PathProgramCache]: Analyzing trace with hash -1782373060, now seen corresponding path program 1 times [2022-07-20 02:10:08,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:10:08,361 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1395505041] [2022-07-20 02:10:08,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:10:08,362 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:10:08,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:10:08,366 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) [2022-07-20 02:10:08,368 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-20 02:10:16,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:10:16,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 5233 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:10:16,925 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:10:17,088 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-07-20 02:10:17,088 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:10:17,088 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:10:17,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1395505041] [2022-07-20 02:10:17,088 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1395505041] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:10:17,088 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:10:17,088 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:10:17,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033241259] [2022-07-20 02:10:17,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:10:17,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:10:17,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:10:17,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:10:17,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:10:17,089 INFO L87 Difference]: Start difference. First operand 7033 states and 9684 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-20 02:10:18,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:10:18,176 INFO L93 Difference]: Finished difference Result 17410 states and 23926 transitions. [2022-07-20 02:10:18,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:10:18,176 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 97 [2022-07-20 02:10:18,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:10:18,227 INFO L225 Difference]: With dead ends: 17410 [2022-07-20 02:10:18,228 INFO L226 Difference]: Without dead ends: 10394 [2022-07-20 02:10:18,259 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:10:18,261 INFO L413 NwaCegarLoop]: 3951 mSDtfsCounter, 2632 mSDsluCounter, 3268 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2632 SdHoareTripleChecker+Valid, 7219 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-20 02:10:18,263 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2632 Valid, 7219 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-20 02:10:18,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10394 states. [2022-07-20 02:10:18,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10394 to 10370. [2022-07-20 02:10:18,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10370 states, 7221 states have (on average 1.2617366015787288) internal successors, (9111), 7457 states have internal predecessors, (9111), 2542 states have call successors, (2542), 606 states have call predecessors, (2542), 603 states have return successors, (2538), 2432 states have call predecessors, (2538), 2538 states have call successors, (2538) [2022-07-20 02:10:18,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10370 states to 10370 states and 14191 transitions. [2022-07-20 02:10:18,577 INFO L78 Accepts]: Start accepts. Automaton has 10370 states and 14191 transitions. Word has length 97 [2022-07-20 02:10:18,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:10:18,579 INFO L495 AbstractCegarLoop]: Abstraction has 10370 states and 14191 transitions. [2022-07-20 02:10:18,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-20 02:10:18,579 INFO L276 IsEmpty]: Start isEmpty. Operand 10370 states and 14191 transitions. [2022-07-20 02:10:18,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-07-20 02:10:18,584 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:10:18,584 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:10:18,707 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-07-20 02:10:18,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:10:18,807 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-20 02:10:18,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:10:18,808 INFO L85 PathProgramCache]: Analyzing trace with hash -218919595, now seen corresponding path program 1 times [2022-07-20 02:10:18,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:10:18,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [492458174] [2022-07-20 02:10:18,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:10:18,813 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:10:18,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:10:18,818 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) [2022-07-20 02:10:18,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-20 02:10:26,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:10:27,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 5236 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:10:27,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:10:27,699 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-07-20 02:10:27,699 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:10:27,699 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:10:27,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [492458174] [2022-07-20 02:10:27,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [492458174] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:10:27,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:10:27,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:10:27,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187387719] [2022-07-20 02:10:27,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:10:27,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:10:27,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:10:27,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:10:27,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:10:27,701 INFO L87 Difference]: Start difference. First operand 10370 states and 14191 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-20 02:10:29,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:10:29,204 INFO L93 Difference]: Finished difference Result 25406 states and 34665 transitions. [2022-07-20 02:10:29,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:10:29,205 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 103 [2022-07-20 02:10:29,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:10:29,322 INFO L225 Difference]: With dead ends: 25406 [2022-07-20 02:10:29,323 INFO L226 Difference]: Without dead ends: 15053 [2022-07-20 02:10:29,383 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:10:29,385 INFO L413 NwaCegarLoop]: 3906 mSDtfsCounter, 3099 mSDsluCounter, 3245 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3099 SdHoareTripleChecker+Valid, 7151 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-20 02:10:29,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3099 Valid, 7151 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-20 02:10:29,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15053 states. [2022-07-20 02:10:29,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15053 to 15015. [2022-07-20 02:10:29,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15015 states, 10495 states have (on average 1.2567889471176752) internal successors, (13190), 10827 states have internal predecessors, (13190), 3621 states have call successors, (3621), 904 states have call predecessors, (3621), 895 states have return successors, (3621), 3457 states have call predecessors, (3621), 3617 states have call successors, (3621) [2022-07-20 02:10:30,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15015 states to 15015 states and 20432 transitions. [2022-07-20 02:10:30,117 INFO L78 Accepts]: Start accepts. Automaton has 15015 states and 20432 transitions. Word has length 103 [2022-07-20 02:10:30,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:10:30,117 INFO L495 AbstractCegarLoop]: Abstraction has 15015 states and 20432 transitions. [2022-07-20 02:10:30,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-07-20 02:10:30,118 INFO L276 IsEmpty]: Start isEmpty. Operand 15015 states and 20432 transitions. [2022-07-20 02:10:30,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-07-20 02:10:30,123 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:10:30,123 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:10:30,268 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-20 02:10:30,339 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:10:30,339 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-20 02:10:30,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:10:30,340 INFO L85 PathProgramCache]: Analyzing trace with hash 346365365, now seen corresponding path program 1 times [2022-07-20 02:10:30,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:10:30,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1022708229] [2022-07-20 02:10:30,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:10:30,346 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:10:30,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:10:30,348 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) [2022-07-20 02:10:30,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-20 02:10:37,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:10:38,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 5300 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:10:38,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:10:38,301 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-07-20 02:10:38,301 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:10:38,301 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:10:38,302 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1022708229] [2022-07-20 02:10:38,302 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1022708229] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:10:38,302 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:10:38,302 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:10:38,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214262203] [2022-07-20 02:10:38,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:10:38,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:10:38,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:10:38,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:10:38,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:10:38,303 INFO L87 Difference]: Start difference. First operand 15015 states and 20432 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-20 02:10:39,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:10:39,658 INFO L93 Difference]: Finished difference Result 43145 states and 58809 transitions. [2022-07-20 02:10:39,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:10:39,659 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 166 [2022-07-20 02:10:39,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:10:39,831 INFO L225 Difference]: With dead ends: 43145 [2022-07-20 02:10:39,832 INFO L226 Difference]: Without dead ends: 28746 [2022-07-20 02:10:39,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:10:39,904 INFO L413 NwaCegarLoop]: 5112 mSDtfsCounter, 3170 mSDsluCounter, 3306 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3170 SdHoareTripleChecker+Valid, 8418 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-20 02:10:39,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3170 Valid, 8418 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-20 02:10:39,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28746 states. [2022-07-20 02:10:40,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28746 to 28740. [2022-07-20 02:10:41,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28740 states, 20056 states have (on average 1.2568308735540488) internal successors, (25207), 20672 states have internal predecessors, (25207), 6960 states have call successors, (6960), 1733 states have call predecessors, (6960), 1720 states have return successors, (6964), 6674 states have call predecessors, (6964), 6956 states have call successors, (6964) [2022-07-20 02:10:41,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28740 states to 28740 states and 39131 transitions. [2022-07-20 02:10:41,158 INFO L78 Accepts]: Start accepts. Automaton has 28740 states and 39131 transitions. Word has length 166 [2022-07-20 02:10:41,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:10:41,159 INFO L495 AbstractCegarLoop]: Abstraction has 28740 states and 39131 transitions. [2022-07-20 02:10:41,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 3 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2022-07-20 02:10:41,160 INFO L276 IsEmpty]: Start isEmpty. Operand 28740 states and 39131 transitions. [2022-07-20 02:10:41,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-07-20 02:10:41,164 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:10:41,164 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:10:41,303 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-07-20 02:10:41,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:10:41,392 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-20 02:10:41,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:10:41,392 INFO L85 PathProgramCache]: Analyzing trace with hash 486913975, now seen corresponding path program 1 times [2022-07-20 02:10:41,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:10:41,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1317872925] [2022-07-20 02:10:41,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:10:41,398 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:10:41,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:10:41,403 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) [2022-07-20 02:10:41,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-20 02:10:48,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:10:49,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 5300 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 02:10:49,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:10:50,916 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2022-07-20 02:10:50,917 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:10:50,917 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:10:50,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1317872925] [2022-07-20 02:10:50,917 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1317872925] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:10:50,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:10:50,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 02:10:50,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656606087] [2022-07-20 02:10:50,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:10:50,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 02:10:50,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:10:50,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 02:10:50,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 02:10:50,919 INFO L87 Difference]: Start difference. First operand 28740 states and 39131 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-07-20 02:10:52,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:10:52,324 INFO L93 Difference]: Finished difference Result 28746 states and 39136 transitions. [2022-07-20 02:10:52,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 02:10:52,324 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 166 [2022-07-20 02:10:52,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:10:52,469 INFO L225 Difference]: With dead ends: 28746 [2022-07-20 02:10:52,469 INFO L226 Difference]: Without dead ends: 28744 [2022-07-20 02:10:52,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:10:52,497 INFO L413 NwaCegarLoop]: 3330 mSDtfsCounter, 3245 mSDsluCounter, 6653 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3246 SdHoareTripleChecker+Valid, 9983 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-20 02:10:52,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3246 Valid, 9983 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-20 02:10:52,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28744 states. [2022-07-20 02:10:53,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28744 to 28744. [2022-07-20 02:10:53,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28744 states, 20059 states have (on average 1.2567924622364026) internal successors, (25210), 20675 states have internal predecessors, (25210), 6960 states have call successors, (6960), 1734 states have call predecessors, (6960), 1721 states have return successors, (6964), 6674 states have call predecessors, (6964), 6956 states have call successors, (6964) [2022-07-20 02:10:53,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28744 states to 28744 states and 39134 transitions. [2022-07-20 02:10:53,488 INFO L78 Accepts]: Start accepts. Automaton has 28744 states and 39134 transitions. Word has length 166 [2022-07-20 02:10:53,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:10:53,488 INFO L495 AbstractCegarLoop]: Abstraction has 28744 states and 39134 transitions. [2022-07-20 02:10:53,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 1 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-07-20 02:10:53,489 INFO L276 IsEmpty]: Start isEmpty. Operand 28744 states and 39134 transitions. [2022-07-20 02:10:53,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-07-20 02:10:53,492 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:10:53,492 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:10:53,674 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-20 02:10:53,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:10:53,720 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-20 02:10:53,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:10:53,720 INFO L85 PathProgramCache]: Analyzing trace with hash -712533819, now seen corresponding path program 1 times [2022-07-20 02:10:53,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:10:53,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1098165996] [2022-07-20 02:10:53,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:10:53,727 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:10:53,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:10:53,730 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) [2022-07-20 02:10:53,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-20 02:11:01,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:11:01,573 INFO L263 TraceCheckSpWp]: Trace formula consists of 5307 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 02:11:01,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:11:03,208 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2022-07-20 02:11:03,208 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 02:11:04,097 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2022-07-20 02:11:04,097 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:11:04,097 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1098165996] [2022-07-20 02:11:04,097 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1098165996] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-20 02:11:04,097 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 02:11:04,097 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-07-20 02:11:04,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985763389] [2022-07-20 02:11:04,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:11:04,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 02:11:04,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:11:04,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 02:11:04,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:11:04,098 INFO L87 Difference]: Start difference. First operand 28744 states and 39134 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-20 02:11:05,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:11:05,362 INFO L93 Difference]: Finished difference Result 28750 states and 39139 transitions. [2022-07-20 02:11:05,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 02:11:05,363 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 171 [2022-07-20 02:11:05,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:11:05,493 INFO L225 Difference]: With dead ends: 28750 [2022-07-20 02:11:05,493 INFO L226 Difference]: Without dead ends: 28748 [2022-07-20 02:11:05,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 335 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-20 02:11:05,519 INFO L413 NwaCegarLoop]: 3333 mSDtfsCounter, 3265 mSDsluCounter, 6652 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3270 SdHoareTripleChecker+Valid, 9985 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-20 02:11:05,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3270 Valid, 9985 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-20 02:11:05,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28748 states. [2022-07-20 02:11:06,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28748 to 28748. [2022-07-20 02:11:06,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28748 states, 20062 states have (on average 1.2567540624065396) internal successors, (25213), 20678 states have internal predecessors, (25213), 6960 states have call successors, (6960), 1735 states have call predecessors, (6960), 1722 states have return successors, (6964), 6674 states have call predecessors, (6964), 6956 states have call successors, (6964) [2022-07-20 02:11:06,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28748 states to 28748 states and 39137 transitions. [2022-07-20 02:11:06,608 INFO L78 Accepts]: Start accepts. Automaton has 28748 states and 39137 transitions. Word has length 171 [2022-07-20 02:11:06,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:11:06,609 INFO L495 AbstractCegarLoop]: Abstraction has 28748 states and 39137 transitions. [2022-07-20 02:11:06,609 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (18), 3 states have call predecessors, (18), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-20 02:11:06,610 INFO L276 IsEmpty]: Start isEmpty. Operand 28748 states and 39137 transitions. [2022-07-20 02:11:06,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-07-20 02:11:06,614 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:11:06,614 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:11:06,775 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-07-20 02:11:06,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:11:06,827 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-20 02:11:06,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:11:06,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1342916663, now seen corresponding path program 1 times [2022-07-20 02:11:06,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:11:06,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [62640011] [2022-07-20 02:11:06,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:11:06,833 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:11:06,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:11:06,839 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) [2022-07-20 02:11:06,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-20 02:11:14,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:11:14,770 INFO L263 TraceCheckSpWp]: Trace formula consists of 5314 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 02:11:14,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:11:16,404 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2022-07-20 02:11:16,404 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 02:11:17,271 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2022-07-20 02:11:17,271 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:11:17,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [62640011] [2022-07-20 02:11:17,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [62640011] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-20 02:11:17,271 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 02:11:17,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-07-20 02:11:17,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550759873] [2022-07-20 02:11:17,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:11:17,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 02:11:17,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:11:17,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 02:11:17,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:11:17,273 INFO L87 Difference]: Start difference. First operand 28748 states and 39137 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-20 02:11:19,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:11:19,171 INFO L93 Difference]: Finished difference Result 56254 states and 76926 transitions. [2022-07-20 02:11:19,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 02:11:19,172 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 176 [2022-07-20 02:11:19,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:11:19,599 INFO L225 Difference]: With dead ends: 56254 [2022-07-20 02:11:19,600 INFO L226 Difference]: Without dead ends: 56252 [2022-07-20 02:11:19,630 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 345 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-20 02:11:19,631 INFO L413 NwaCegarLoop]: 4154 mSDtfsCounter, 3265 mSDsluCounter, 11552 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3269 SdHoareTripleChecker+Valid, 15706 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-20 02:11:19,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3269 Valid, 15706 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-20 02:11:19,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56252 states. [2022-07-20 02:11:21,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56252 to 56184. [2022-07-20 02:11:21,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56184 states, 39230 states have (on average 1.2585266377772113) internal successors, (49372), 40494 states have internal predecessors, (49372), 13640 states have call successors, (13640), 3384 states have call predecessors, (13640), 3310 states have return successors, (13836), 12977 states have call predecessors, (13836), 13632 states have call successors, (13836) [2022-07-20 02:11:21,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56184 states to 56184 states and 76848 transitions. [2022-07-20 02:11:21,917 INFO L78 Accepts]: Start accepts. Automaton has 56184 states and 76848 transitions. Word has length 176 [2022-07-20 02:11:21,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:11:21,918 INFO L495 AbstractCegarLoop]: Abstraction has 56184 states and 76848 transitions. [2022-07-20 02:11:21,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (19), 3 states have call predecessors, (19), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-20 02:11:21,918 INFO L276 IsEmpty]: Start isEmpty. Operand 56184 states and 76848 transitions. [2022-07-20 02:11:21,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-07-20 02:11:21,923 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:11:21,923 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:11:22,070 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Ended with exit code 0 [2022-07-20 02:11:22,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:11:22,136 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-20 02:11:22,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:11:22,136 INFO L85 PathProgramCache]: Analyzing trace with hash 226964325, now seen corresponding path program 1 times [2022-07-20 02:11:22,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:11:22,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [503631258] [2022-07-20 02:11:22,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:11:22,143 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:11:22,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:11:22,145 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) [2022-07-20 02:11:22,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-20 02:11:30,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:11:31,310 INFO L263 TraceCheckSpWp]: Trace formula consists of 5391 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:11:31,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:11:31,692 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2022-07-20 02:11:31,692 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:11:31,692 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:11:31,693 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [503631258] [2022-07-20 02:11:31,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [503631258] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:11:31,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:11:31,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:11:31,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028864079] [2022-07-20 02:11:31,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:11:31,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:11:31,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:11:31,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:11:31,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:11:31,694 INFO L87 Difference]: Start difference. First operand 56184 states and 76848 transitions. Second operand has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-20 02:11:34,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:11:34,436 INFO L93 Difference]: Finished difference Result 132024 states and 180446 transitions. [2022-07-20 02:11:34,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:11:34,437 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 177 [2022-07-20 02:11:34,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:11:34,893 INFO L225 Difference]: With dead ends: 132024 [2022-07-20 02:11:34,893 INFO L226 Difference]: Without dead ends: 76456 [2022-07-20 02:11:35,040 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:11:35,041 INFO L413 NwaCegarLoop]: 5839 mSDtfsCounter, 2616 mSDsluCounter, 3269 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2616 SdHoareTripleChecker+Valid, 9108 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-20 02:11:35,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2616 Valid, 9108 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-20 02:11:35,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76456 states. [2022-07-20 02:11:37,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76456 to 76344. [2022-07-20 02:11:37,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76344 states, 53452 states have (on average 1.25705305694829) internal successors, (67192), 55160 states have internal predecessors, (67192), 18288 states have call successors, (18288), 4694 states have call predecessors, (18288), 4600 states have return successors, (18544), 17417 states have call predecessors, (18544), 18280 states have call successors, (18544) [2022-07-20 02:11:37,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76344 states to 76344 states and 104024 transitions. [2022-07-20 02:11:37,910 INFO L78 Accepts]: Start accepts. Automaton has 76344 states and 104024 transitions. Word has length 177 [2022-07-20 02:11:37,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:11:37,921 INFO L495 AbstractCegarLoop]: Abstraction has 76344 states and 104024 transitions. [2022-07-20 02:11:37,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.0) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (19), 3 states have call predecessors, (19), 2 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-20 02:11:37,921 INFO L276 IsEmpty]: Start isEmpty. Operand 76344 states and 104024 transitions. [2022-07-20 02:11:37,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-07-20 02:11:37,927 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:11:37,928 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:11:38,054 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-20 02:11:38,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:11:38,147 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-20 02:11:38,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:11:38,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1377994693, now seen corresponding path program 1 times [2022-07-20 02:11:38,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:11:38,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [161575516] [2022-07-20 02:11:38,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:11:38,154 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:11:38,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:11:38,156 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 02:11:38,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-20 02:11:45,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:11:46,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 5321 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 02:11:46,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:11:47,869 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2022-07-20 02:11:47,869 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 02:11:48,806 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2022-07-20 02:11:48,807 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:11:48,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [161575516] [2022-07-20 02:11:48,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [161575516] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-20 02:11:48,807 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 02:11:48,807 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-07-20 02:11:48,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595289491] [2022-07-20 02:11:48,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:11:48,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 02:11:48,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:11:48,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 02:11:48,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:11:48,808 INFO L87 Difference]: Start difference. First operand 76344 states and 104024 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 02:11:52,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:11:52,634 INFO L93 Difference]: Finished difference Result 152018 states and 209644 transitions. [2022-07-20 02:11:52,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 02:11:52,635 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 181 [2022-07-20 02:11:52,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:11:53,362 INFO L225 Difference]: With dead ends: 152018 [2022-07-20 02:11:53,362 INFO L226 Difference]: Without dead ends: 152016 [2022-07-20 02:11:53,451 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 355 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-20 02:11:53,451 INFO L413 NwaCegarLoop]: 4134 mSDtfsCounter, 3299 mSDsluCounter, 11595 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3302 SdHoareTripleChecker+Valid, 15729 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-20 02:11:53,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3302 Valid, 15729 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-20 02:11:53,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152016 states. [2022-07-20 02:11:58,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152016 to 151976. [2022-07-20 02:11:58,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151976 states, 106363 states have (on average 1.2574767541344265) internal successors, (133749), 109799 states have internal predecessors, (133749), 36448 states have call successors, (36448), 9349 states have call predecessors, (36448), 9161 states have return successors, (39408), 34675 states have call predecessors, (39408), 36432 states have call successors, (39408) [2022-07-20 02:11:59,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151976 states to 151976 states and 209605 transitions. [2022-07-20 02:11:59,525 INFO L78 Accepts]: Start accepts. Automaton has 151976 states and 209605 transitions. Word has length 181 [2022-07-20 02:11:59,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:11:59,526 INFO L495 AbstractCegarLoop]: Abstraction has 151976 states and 209605 transitions. [2022-07-20 02:11:59,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (20), 3 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 02:11:59,526 INFO L276 IsEmpty]: Start isEmpty. Operand 151976 states and 209605 transitions. [2022-07-20 02:11:59,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-07-20 02:11:59,531 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:11:59,531 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:11:59,648 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Ended with exit code 0 [2022-07-20 02:11:59,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:11:59,760 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-20 02:11:59,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:11:59,760 INFO L85 PathProgramCache]: Analyzing trace with hash 2049435831, now seen corresponding path program 1 times [2022-07-20 02:11:59,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:11:59,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [743090357] [2022-07-20 02:11:59,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:11:59,765 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:11:59,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:11:59,767 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 02:11:59,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-20 02:12:07,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:12:08,123 INFO L263 TraceCheckSpWp]: Trace formula consists of 5328 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 02:12:08,127 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:12:10,076 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2022-07-20 02:12:10,077 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 02:12:10,909 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2022-07-20 02:12:10,909 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:12:10,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [743090357] [2022-07-20 02:12:10,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [743090357] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-20 02:12:10,910 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 02:12:10,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-07-20 02:12:10,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976547354] [2022-07-20 02:12:10,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:12:10,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 02:12:10,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:12:10,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 02:12:10,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-20 02:12:10,911 INFO L87 Difference]: Start difference. First operand 151976 states and 209605 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-20 02:12:14,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:12:14,657 INFO L93 Difference]: Finished difference Result 151994 states and 209622 transitions. [2022-07-20 02:12:14,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-20 02:12:14,658 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 186 [2022-07-20 02:12:14,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:12:15,588 INFO L225 Difference]: With dead ends: 151994 [2022-07-20 02:12:15,588 INFO L226 Difference]: Without dead ends: 151992 [2022-07-20 02:12:15,687 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 365 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-20 02:12:15,689 INFO L413 NwaCegarLoop]: 3333 mSDtfsCounter, 3265 mSDsluCounter, 6652 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3267 SdHoareTripleChecker+Valid, 9985 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-20 02:12:15,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3267 Valid, 9985 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-20 02:12:15,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151992 states. [2022-07-20 02:12:20,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151992 to 151992. [2022-07-20 02:12:20,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151992 states, 106375 states have (on average 1.2574477085781433) internal successors, (133761), 109811 states have internal predecessors, (133761), 36448 states have call successors, (36448), 9353 states have call predecessors, (36448), 9165 states have return successors, (39408), 34675 states have call predecessors, (39408), 36432 states have call successors, (39408) [2022-07-20 02:12:22,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151992 states to 151992 states and 209617 transitions. [2022-07-20 02:12:22,134 INFO L78 Accepts]: Start accepts. Automaton has 151992 states and 209617 transitions. Word has length 186 [2022-07-20 02:12:22,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 02:12:22,135 INFO L495 AbstractCegarLoop]: Abstraction has 151992 states and 209617 transitions. [2022-07-20 02:12:22,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-20 02:12:22,135 INFO L276 IsEmpty]: Start isEmpty. Operand 151992 states and 209617 transitions. [2022-07-20 02:12:22,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-07-20 02:12:22,148 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 02:12:22,148 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 6, 6, 6, 6, 6, 6, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 02:12:22,258 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Ended with exit code 0 [2022-07-20 02:12:22,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 02:12:22,364 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_mutex__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-20 02:12:22,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 02:12:22,364 INFO L85 PathProgramCache]: Analyzing trace with hash -2071585197, now seen corresponding path program 1 times [2022-07-20 02:12:22,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 02:12:22,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [202714021] [2022-07-20 02:12:22,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 02:12:22,370 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 02:12:22,370 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 02:12:22,371 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 02:12:22,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-20 02:12:29,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 02:12:30,337 INFO L263 TraceCheckSpWp]: Trace formula consists of 5354 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 02:12:30,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 02:12:30,491 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-07-20 02:12:30,491 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 02:12:30,492 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 02:12:30,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [202714021] [2022-07-20 02:12:30,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [202714021] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 02:12:30,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 02:12:30,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 02:12:30,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939354254] [2022-07-20 02:12:30,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 02:12:30,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 02:12:30,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 02:12:30,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 02:12:30,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:12:30,493 INFO L87 Difference]: Start difference. First operand 151992 states and 209617 transitions. Second operand has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-20 02:12:40,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 02:12:40,094 INFO L93 Difference]: Finished difference Result 377244 states and 520541 transitions. [2022-07-20 02:12:40,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 02:12:40,095 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 3 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 187 [2022-07-20 02:12:40,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 02:12:41,105 INFO L225 Difference]: With dead ends: 377244 [2022-07-20 02:12:41,105 INFO L226 Difference]: Without dead ends: 225868 [2022-07-20 02:12:41,855 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 02:12:41,856 INFO L413 NwaCegarLoop]: 6509 mSDtfsCounter, 3188 mSDsluCounter, 3308 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3188 SdHoareTripleChecker+Valid, 9817 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-20 02:12:41,856 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3188 Valid, 9817 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-20 02:12:42,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225868 states.