./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 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-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-?-3598765 [2022-07-21 13:39:46,080 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 13:39:46,083 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 13:39:46,125 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 13:39:46,126 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 13:39:46,127 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 13:39:46,130 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 13:39:46,132 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 13:39:46,134 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 13:39:46,137 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 13:39:46,138 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 13:39:46,141 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 13:39:46,142 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 13:39:46,143 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 13:39:46,144 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 13:39:46,146 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 13:39:46,146 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 13:39:46,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 13:39:46,149 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 13:39:46,153 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 13:39:46,154 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 13:39:46,155 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 13:39:46,156 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 13:39:46,157 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 13:39:46,158 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 13:39:46,163 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 13:39:46,163 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 13:39:46,163 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 13:39:46,164 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 13:39:46,164 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 13:39:46,166 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 13:39:46,166 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 13:39:46,168 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 13:39:46,168 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 13:39:46,169 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 13:39:46,170 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 13:39:46,170 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 13:39:46,170 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 13:39:46,171 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 13:39:46,171 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 13:39:46,171 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 13:39:46,172 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 13:39:46,174 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 13:39:46,199 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 13:39:46,199 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 13:39:46,200 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 13:39:46,200 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 13:39:46,200 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 13:39:46,200 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 13:39:46,201 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 13:39:46,201 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 13:39:46,201 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 13:39:46,202 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 13:39:46,202 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 13:39:46,202 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 13:39:46,202 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 13:39:46,203 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 13:39:46,203 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 13:39:46,203 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 13:39:46,203 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 13:39:46,203 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 13:39:46,203 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 13:39:46,203 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 13:39:46,204 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 13:39:46,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 13:39:46,204 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 13:39:46,204 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 13:39:46,204 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 13:39:46,204 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 13:39:46,205 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 13:39:46,205 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 13:39:46,205 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 13:39:46,205 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 13:39:46,205 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bf48d35d7133b2e8327bc0634357c212875c286543fcf18078150bbf7eff020 [2022-07-21 13:39:46,469 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 13:39:46,484 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 13:39:46,486 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 13:39:46,486 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 13:39:46,487 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 13:39:46,488 INFO L432 ainManager$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 [2022-07-21 13:39:46,535 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9eea188b/e6accdd61ef24885aeb6b266647fd137/FLAG9977b860f [2022-07-21 13:39:47,265 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 13:39:47,266 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 [2022-07-21 13:39:47,321 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9eea188b/e6accdd61ef24885aeb6b266647fd137/FLAG9977b860f [2022-07-21 13:39:47,787 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9eea188b/e6accdd61ef24885aeb6b266647fd137 [2022-07-21 13:39:47,789 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 13:39:47,790 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 13:39:47,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 13:39:47,791 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 13:39:47,793 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 13:39:47,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:39:47" (1/1) ... [2022-07-21 13:39:47,795 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@488e2400 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:39:47, skipping insertion in model container [2022-07-21 13:39:47,795 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:39:47" (1/1) ... [2022-07-21 13:39:47,799 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 13:39:47,939 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 13:39:50,762 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] [2022-07-21 13:39:50,765 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] [2022-07-21 13:39:50,766 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] [2022-07-21 13:39:50,766 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] [2022-07-21 13:39:50,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:39:50,907 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 13:39:51,078 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) [2022-07-21 13:39:51,083 INFO L158 Benchmark]: Toolchain (without parser) took 3292.18ms. Allocated memory was 67.1MB in the beginning and 190.8MB in the end (delta: 123.7MB). Free memory was 39.9MB in the beginning and 122.0MB in the end (delta: -82.1MB). Peak memory consumption was 79.9MB. Max. memory is 16.1GB. [2022-07-21 13:39:51,084 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 67.1MB. Free memory was 49.7MB in the beginning and 49.6MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 13:39:51,085 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3290.72ms. Allocated memory was 67.1MB in the beginning and 190.8MB in the end (delta: 123.7MB). Free memory was 39.7MB in the beginning and 122.0MB in the end (delta: -82.3MB). Peak memory consumption was 79.9MB. Max. memory is 16.1GB. [2022-07-21 13:39:51,086 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 67.1MB. Free memory was 49.7MB in the beginning and 49.6MB in the end (delta: 44.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3290.72ms. Allocated memory was 67.1MB in the beginning and 190.8MB in the end (delta: 123.7MB). Free memory was 39.7MB in the beginning and 122.0MB in the end (delta: -82.3MB). Peak memory consumption was 79.9MB. 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-?-3598765 [2022-07-21 13:39:52,548 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 13:39:52,550 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 13:39:52,584 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 13:39:52,585 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 13:39:52,586 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 13:39:52,589 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 13:39:52,591 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 13:39:52,592 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 13:39:52,602 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 13:39:52,603 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 13:39:52,605 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 13:39:52,605 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 13:39:52,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 13:39:52,607 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 13:39:52,612 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 13:39:52,612 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 13:39:52,613 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 13:39:52,615 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 13:39:52,619 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 13:39:52,620 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 13:39:52,621 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 13:39:52,622 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 13:39:52,622 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 13:39:52,624 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 13:39:52,627 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 13:39:52,627 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 13:39:52,628 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 13:39:52,628 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 13:39:52,629 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 13:39:52,629 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 13:39:52,629 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 13:39:52,631 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 13:39:52,631 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 13:39:52,632 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 13:39:52,633 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 13:39:52,633 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 13:39:52,633 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 13:39:52,634 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 13:39:52,634 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 13:39:52,634 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 13:39:52,635 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 13:39:52,640 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 13:39:52,659 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 13:39:52,659 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 13:39:52,660 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 13:39:52,660 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 13:39:52,660 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 13:39:52,661 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 13:39:52,661 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 13:39:52,661 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 13:39:52,661 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 13:39:52,662 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 13:39:52,662 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 13:39:52,662 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 13:39:52,663 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 13:39:52,663 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 13:39:52,663 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 13:39:52,663 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 13:39:52,663 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 13:39:52,663 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 13:39:52,664 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 13:39:52,664 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 13:39:52,664 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 13:39:52,664 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 13:39:52,664 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 13:39:52,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 13:39:52,665 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 13:39:52,665 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 13:39:52,665 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 13:39:52,665 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 13:39:52,665 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 13:39:52,665 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 13:39:52,666 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 13:39:52,666 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 13:39:52,666 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 13:39:52,666 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bf48d35d7133b2e8327bc0634357c212875c286543fcf18078150bbf7eff020 [2022-07-21 13:39:52,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 13:39:52,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 13:39:52,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 13:39:52,934 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 13:39:52,934 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 13:39:52,935 INFO L432 ainManager$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 [2022-07-21 13:39:52,989 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/672c98e56/3efe49807ed94d1da0a69941c9a94cd6/FLAG7b756fd54 [2022-07-21 13:39:53,714 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 13:39:53,714 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 [2022-07-21 13:39:53,763 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/672c98e56/3efe49807ed94d1da0a69941c9a94cd6/FLAG7b756fd54 [2022-07-21 13:39:54,244 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/672c98e56/3efe49807ed94d1da0a69941c9a94cd6 [2022-07-21 13:39:54,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 13:39:54,247 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 13:39:54,257 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 13:39:54,257 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 13:39:54,259 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 13:39:54,259 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:39:54" (1/1) ... [2022-07-21 13:39:54,260 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37f93fc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:39:54, skipping insertion in model container [2022-07-21 13:39:54,260 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 01:39:54" (1/1) ... [2022-07-21 13:39:54,264 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 13:39:54,429 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 13:39:57,241 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] [2022-07-21 13:39:57,244 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] [2022-07-21 13:39:57,244 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] [2022-07-21 13:39:57,244 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] [2022-07-21 13:39:57,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:39:57,369 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 13:39:57,491 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 13:39:57,876 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] [2022-07-21 13:39:57,877 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] [2022-07-21 13:39:57,877 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] [2022-07-21 13:39:57,877 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] [2022-07-21 13:39:57,882 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:39:57,915 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 13:39:58,358 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] [2022-07-21 13:39:58,359 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] [2022-07-21 13:39:58,359 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] [2022-07-21 13:39:58,359 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] [2022-07-21 13:39:58,366 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 13:39:58,541 INFO L208 MainTranslator]: Completed translation [2022-07-21 13:39:58,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:39:58 WrapperNode [2022-07-21 13:39:58,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 13:39:58,543 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 13:39:58,543 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 13:39:58,543 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 13:39:58,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:39:58" (1/1) ... [2022-07-21 13:39:58,655 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:39:58" (1/1) ... [2022-07-21 13:39:58,905 INFO L137 Inliner]: procedures = 553, calls = 6232, calls flagged for inlining = 274, calls inlined = 248, statements flattened = 8679 [2022-07-21 13:39:58,906 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 13:39:58,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 13:39:58,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 13:39:58,908 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 13:39:58,914 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:39:58" (1/1) ... [2022-07-21 13:39:58,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:39:58" (1/1) ... [2022-07-21 13:39:58,951 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:39:58" (1/1) ... [2022-07-21 13:39:58,952 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:39:58" (1/1) ... [2022-07-21 13:39:59,048 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:39:58" (1/1) ... [2022-07-21 13:39:59,066 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:39:58" (1/1) ... [2022-07-21 13:39:59,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:39:58" (1/1) ... [2022-07-21 13:39:59,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 13:39:59,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 13:39:59,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 13:39:59,135 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 13:39:59,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:39:58" (1/1) ... [2022-07-21 13:39:59,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 13:39:59,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 13:39:59,155 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-21 13:39:59,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-21 13:39:59,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_or_killable_lock_of_islpci_acl [2022-07-21 13:39:59,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_or_killable_lock_of_islpci_acl [2022-07-21 13:39:59,181 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_le_to_cpu [2022-07-21 13:39:59,181 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_le_to_cpu [2022-07-21 13:39:59,181 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_eth_tx_timeout [2022-07-21 13:39:59,181 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_eth_tx_timeout [2022-07-21 13:39:59,181 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-21 13:39:59,181 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-21 13:39:59,182 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-21 13:39:59,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 13:39:59,182 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 13:39:59,182 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_trigger [2022-07-21 13:39:59,182 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_trigger [2022-07-21 13:39:59,182 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-21 13:39:59,182 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-21 13:39:59,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 13:39:59,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 13:39:59,183 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_mib_mode_helper [2022-07-21 13:39:59,183 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_mib_mode_helper [2022-07-21 13:39:59,183 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-21 13:39:59,183 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-21 13:39:59,183 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-07-21 13:39:59,183 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-07-21 13:39:59,183 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 13:39:59,183 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 13:39:59,184 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set_request [2022-07-21 13:39:59,184 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set_request [2022-07-21 13:39:59,184 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_cpu_to_le [2022-07-21 13:39:59,184 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_cpu_to_le [2022-07-21 13:39:59,184 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-07-21 13:39:59,184 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_get_state [2022-07-21 13:39:59,184 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_get_state [2022-07-21 13:39:59,184 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-21 13:39:59,184 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-21 13:39:59,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 13:39:59,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-21 13:39:59,185 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-21 13:39:59,185 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-21 13:39:59,185 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-21 13:39:59,185 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-21 13:39:59,185 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_release [2022-07-21 13:39:59,185 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_release [2022-07-21 13:39:59,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 13:39:59,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 13:39:59,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-21 13:39:59,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2022-07-21 13:39:59,186 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-21 13:39:59,186 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-21 13:39:59,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2022-07-21 13:39:59,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock_try [2022-07-21 13:39:59,186 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-21 13:39:59,186 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-21 13:39:59,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 13:39:59,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_wpa_lock_of_NOT_ARG_SIGN [2022-07-21 13:39:59,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_wpa_lock_of_NOT_ARG_SIGN [2022-07-21 13:39:59,187 INFO L130 BoogieDeclarations]: Found specification of procedure send_simple_event [2022-07-21 13:39:59,187 INFO L138 BoogieDeclarations]: Found implementation of procedure send_simple_event [2022-07-21 13:39:59,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-21 13:39:59,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 13:39:59,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 13:39:59,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 13:39:59,188 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-21 13:39:59,188 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-21 13:39:59,188 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-21 13:39:59,188 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-21 13:39:59,188 INFO L130 BoogieDeclarations]: Found specification of procedure send_formatted_event [2022-07-21 13:39:59,188 INFO L138 BoogieDeclarations]: Found implementation of procedure send_formatted_event [2022-07-21 13:39:59,188 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set [2022-07-21 13:39:59,188 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set [2022-07-21 13:39:59,189 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-21 13:39:59,189 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-21 13:39:59,189 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-21 13:39:59,189 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-21 13:39:59,189 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_reset [2022-07-21 13:39:59,189 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_reset [2022-07-21 13:39:59,189 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 13:39:59,189 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 13:39:59,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-21 13:39:59,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-21 13:39:59,190 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2022-07-21 13:39:59,190 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2022-07-21 13:39:59,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-21 13:39:59,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-21 13:39:59,190 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-21 13:39:59,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-21 13:39:59,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 13:39:59,190 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 13:39:59,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-21 13:39:59,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-21 13:39:59,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-21 13:39:59,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-21 13:39:59,191 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_open [2022-07-21 13:39:59,191 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_open [2022-07-21 13:39:59,191 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_resume [2022-07-21 13:39:59,191 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_resume [2022-07-21 13:39:59,191 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-21 13:39:59,192 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-21 13:39:59,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 13:39:59,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-21 13:39:59,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-21 13:39:59,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-21 13:39:59,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-21 13:39:59,192 INFO L130 BoogieDeclarations]: Found specification of procedure up_read [2022-07-21 13:39:59,192 INFO L138 BoogieDeclarations]: Found implementation of procedure up_read [2022-07-21 13:39:59,192 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-21 13:39:59,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-21 13:39:59,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 13:39:59,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 13:39:59,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 13:39:59,193 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 13:39:59,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 13:39:59,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 13:39:59,193 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-21 13:39:59,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 13:39:59,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-21 13:39:59,194 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 13:39:59,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 13:39:59,194 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 13:39:59,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_stats_lock_of_NOT_ARG_SIGN [2022-07-21 13:39:59,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_stats_lock_of_NOT_ARG_SIGN [2022-07-21 13:39:59,194 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-21 13:39:59,194 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-21 13:39:59,195 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-21 13:39:59,195 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-21 13:39:59,195 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 13:39:59,195 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 13:39:59,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_wpa_lock_of_NOT_ARG_SIGN [2022-07-21 13:39:59,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_wpa_lock_of_NOT_ARG_SIGN [2022-07-21 13:39:59,195 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-21 13:39:59,195 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-21 13:39:59,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-21 13:39:59,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-21 13:39:59,196 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2022-07-21 13:39:59,196 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2022-07-21 13:39:59,196 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-07-21 13:39:59,196 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-07-21 13:39:59,196 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-21 13:39:59,196 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-21 13:39:59,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 13:39:59,196 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_prism54_module_exit_12_2 [2022-07-21 13:39:59,196 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_prism54_module_exit_12_2 [2022-07-21 13:39:59,197 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_uninterruptible [2022-07-21 13:39:59,197 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_uninterruptible [2022-07-21 13:39:59,197 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-07-21 13:39:59,197 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-07-21 13:39:59,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 13:39:59,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 13:39:59,197 INFO L130 BoogieDeclarations]: Found specification of procedure wireless_send_event [2022-07-21 13:39:59,197 INFO L138 BoogieDeclarations]: Found implementation of procedure wireless_send_event [2022-07-21 13:39:59,197 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-21 13:39:59,198 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-21 13:39:59,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 13:39:59,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-21 13:39:59,198 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-21 13:39:59,198 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_clear_mac [2022-07-21 13:39:59,198 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_clear_mac [2022-07-21 13:39:59,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-21 13:39:59,198 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_wpa_bss_ie_get [2022-07-21 13:39:59,198 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_wpa_bss_ie_get [2022-07-21 13:39:59,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 13:39:59,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 13:39:59,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 13:39:59,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 13:39:59,199 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 13:39:59,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 13:39:59,199 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-21 13:39:59,199 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-21 13:39:59,199 INFO L130 BoogieDeclarations]: Found specification of procedure handle_request [2022-07-21 13:39:59,199 INFO L138 BoogieDeclarations]: Found implementation of procedure handle_request [2022-07-21 13:39:59,200 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_bring_down [2022-07-21 13:39:59,200 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_bring_down [2022-07-21 13:39:59,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_stats_lock_of_NOT_ARG_SIGN [2022-07-21 13:39:59,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_stats_lock_of_NOT_ARG_SIGN [2022-07-21 13:39:59,200 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-21 13:39:59,200 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-21 13:39:59,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 13:39:59,200 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 13:39:59,200 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-21 13:39:59,200 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-21 13:39:59,201 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-21 13:39:59,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-21 13:39:59,201 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-21 13:39:59,201 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-21 13:39:59,201 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-07-21 13:39:59,201 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-07-21 13:39:59,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 13:39:59,201 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 13:39:59,201 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 13:39:59,201 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_set_state [2022-07-21 13:39:59,202 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_set_state [2022-07-21 13:39:59,202 INFO L130 BoogieDeclarations]: Found specification of procedure down_read [2022-07-21 13:39:59,202 INFO L138 BoogieDeclarations]: Found implementation of procedure down_read [2022-07-21 13:39:59,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 13:39:59,202 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_set_varlen [2022-07-21 13:39:59,202 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_set_varlen [2022-07-21 13:39:59,202 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2022-07-21 13:39:59,202 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2022-07-21 13:39:59,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-21 13:39:59,203 INFO L130 BoogieDeclarations]: Found specification of procedure pci_clear_mwi [2022-07-21 13:39:59,203 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_clear_mwi [2022-07-21 13:39:59,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 13:39:59,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 13:39:59,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 13:39:59,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 13:39:59,203 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_close [2022-07-21 13:39:59,203 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_close [2022-07-21 13:39:59,203 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-07-21 13:39:59,203 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-07-21 13:39:59,204 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_get_request [2022-07-21 13:39:59,204 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_get_request [2022-07-21 13:39:59,204 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2022-07-21 13:39:59,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2022-07-21 13:39:59,204 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-21 13:39:59,204 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-21 13:39:59,204 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2022-07-21 13:39:59,204 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2022-07-21 13:39:59,204 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-21 13:39:59,205 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-21 13:39:59,205 INFO L130 BoogieDeclarations]: Found specification of procedure prism54_remove [2022-07-21 13:39:59,205 INFO L138 BoogieDeclarations]: Found implementation of procedure prism54_remove [2022-07-21 13:39:59,205 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_w32_flush [2022-07-21 13:39:59,205 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_w32_flush [2022-07-21 13:39:59,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-21 13:39:59,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-21 13:39:59,205 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-21 13:39:59,205 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-21 13:39:59,205 INFO L130 BoogieDeclarations]: Found specification of procedure release_firmware [2022-07-21 13:39:59,206 INFO L138 BoogieDeclarations]: Found implementation of procedure release_firmware [2022-07-21 13:39:59,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-21 13:39:59,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-21 13:39:59,206 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2022-07-21 13:39:59,206 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2022-07-21 13:39:59,206 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit_list [2022-07-21 13:39:59,206 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit_list [2022-07-21 13:39:59,206 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-21 13:39:59,206 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-21 13:39:59,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-21 13:39:59,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-07-21 13:39:59,207 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-21 13:39:59,207 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-21 13:39:59,207 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-21 13:39:59,207 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-21 13:39:59,207 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgmt_rx_fill [2022-07-21 13:39:59,207 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgmt_rx_fill [2022-07-21 13:39:59,207 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_mgt_transaction [2022-07-21 13:39:59,208 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_mgt_transaction [2022-07-21 13:39:59,208 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 13:39:59,208 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 13:39:59,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-21 13:39:59,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-07-21 13:39:59,208 INFO L130 BoogieDeclarations]: Found specification of procedure channel_of_freq [2022-07-21 13:39:59,208 INFO L138 BoogieDeclarations]: Found implementation of procedure channel_of_freq [2022-07-21 13:39:59,208 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-07-21 13:39:59,208 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-07-21 13:39:59,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 13:39:59,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-21 13:39:59,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 13:39:59,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 13:39:59,209 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-07-21 13:39:59,209 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-07-21 13:39:59,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 13:39:59,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 13:39:59,209 INFO L130 BoogieDeclarations]: Found specification of procedure islpci_free_memory [2022-07-21 13:39:59,209 INFO L138 BoogieDeclarations]: Found implementation of procedure islpci_free_memory [2022-07-21 13:39:59,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_islpci_acl [2022-07-21 13:39:59,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_islpci_acl [2022-07-21 13:39:59,210 INFO L130 BoogieDeclarations]: Found specification of procedure mgt_commit [2022-07-21 13:39:59,210 INFO L138 BoogieDeclarations]: Found implementation of procedure mgt_commit [2022-07-21 13:39:59,210 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-21 13:39:59,210 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-21 13:39:59,210 INFO L130 BoogieDeclarations]: Found specification of procedure __swab32s [2022-07-21 13:39:59,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __swab32s [2022-07-21 13:39:59,210 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-07-21 13:39:59,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-07-21 13:39:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-21 13:39:59,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-21 13:39:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 13:39:59,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 13:39:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-21 13:39:59,211 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-21 13:39:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-07-21 13:39:59,211 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-07-21 13:39:59,211 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_in_queue [2022-07-21 13:39:59,211 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_in_queue [2022-07-21 13:39:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_islpci_acl [2022-07-21 13:39:59,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_islpci_acl [2022-07-21 13:39:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-07-21 13:39:59,212 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-07-21 13:39:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-21 13:39:59,212 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-21 13:39:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-21 13:39:59,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-21 13:39:59,212 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2022-07-21 13:39:59,213 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2022-07-21 13:39:59,213 INFO L130 BoogieDeclarations]: Found specification of procedure isl38xx_disable_interrupts [2022-07-21 13:39:59,213 INFO L138 BoogieDeclarations]: Found implementation of procedure isl38xx_disable_interrupts [2022-07-21 13:40:00,082 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 13:40:00,084 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 13:40:03,453 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 13:40:54,872 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-21 13:40:58,463 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 13:40:58,486 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 13:40:58,486 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2022-07-21 13:40:58,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:40:58 BoogieIcfgContainer [2022-07-21 13:40:58,489 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 13:40:58,491 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 13:40:58,491 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 13:40:58,493 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 13:40:58,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 01:39:54" (1/3) ... [2022-07-21 13:40:58,493 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28bf8bf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:40:58, skipping insertion in model container [2022-07-21 13:40:58,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 01:39:58" (2/3) ... [2022-07-21 13:40:58,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28bf8bf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 01:40:58, skipping insertion in model container [2022-07-21 13:40:58,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 01:40:58" (3/3) ... [2022-07-21 13:40:58,495 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-mutex_drivers-net-wireless-prism54-prism54.cil.i [2022-07-21 13:40:58,506 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 13:40:58,506 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-07-21 13:40:58,588 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 13:40:58,592 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@4a5c4dad, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@5e6506b3 [2022-07-21 13:40:58,592 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-07-21 13:40:58,601 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) [2022-07-21 13:40:58,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-07-21 13:40:58,613 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:40:58,613 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] [2022-07-21 13:40:58,614 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)] === [2022-07-21 13:40:58,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:40:58,617 INFO L85 PathProgramCache]: Analyzing trace with hash 38973541, now seen corresponding path program 1 times [2022-07-21 13:40:58,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:40:58,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [335216444] [2022-07-21 13:40:58,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:40:58,633 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:40:58,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:40:58,636 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 13:40:58,649 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 13:41:05,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:06,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 5159 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:41:06,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:41:06,459 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-07-21 13:41:06,459 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:41:06,460 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:41:06,460 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [335216444] [2022-07-21 13:41:06,460 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [335216444] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:41:06,461 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:41:06,461 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:41:06,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990608740] [2022-07-21 13:41:06,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:41:06,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:41:06,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:41:06,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:41:06,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:41:06,488 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) [2022-07-21 13:41:07,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:41:07,411 INFO L93 Difference]: Finished difference Result 7165 states and 10349 transitions. [2022-07-21 13:41:07,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:41:07,425 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 [2022-07-21 13:41:07,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:41:07,468 INFO L225 Difference]: With dead ends: 7165 [2022-07-21 13:41:07,468 INFO L226 Difference]: Without dead ends: 4726 [2022-07-21 13:41:07,492 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 [2022-07-21 13:41:07,499 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 [2022-07-21 13:41:07,501 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] [2022-07-21 13:41:07,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4726 states. [2022-07-21 13:41:07,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4726 to 4720. [2022-07-21 13:41:07,723 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) [2022-07-21 13:41:07,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4720 states to 4720 states and 6508 transitions. [2022-07-21 13:41:07,762 INFO L78 Accepts]: Start accepts. Automaton has 4720 states and 6508 transitions. Word has length 94 [2022-07-21 13:41:07,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:41:07,766 INFO L495 AbstractCegarLoop]: Abstraction has 4720 states and 6508 transitions. [2022-07-21 13:41:07,766 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) [2022-07-21 13:41:07,770 INFO L276 IsEmpty]: Start isEmpty. Operand 4720 states and 6508 transitions. [2022-07-21 13:41:07,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-07-21 13:41:07,778 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:41:07,779 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] [2022-07-21 13:41:07,930 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-21 13:41:07,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:41:07,980 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)] === [2022-07-21 13:41:07,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:41:07,981 INFO L85 PathProgramCache]: Analyzing trace with hash -1061101067, now seen corresponding path program 1 times [2022-07-21 13:41:07,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:41:07,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1087016847] [2022-07-21 13:41:07,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:41:07,994 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:41:07,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:41:07,996 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 13:41:08,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 13:41:15,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:15,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 5185 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:41:15,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:41:16,036 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-07-21 13:41:16,036 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:41:16,036 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:41:16,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1087016847] [2022-07-21 13:41:16,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1087016847] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:41:16,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:41:16,037 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:41:16,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160856183] [2022-07-21 13:41:16,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:41:16,038 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:41:16,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:41:16,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:41:16,039 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:41:16,039 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) [2022-07-21 13:41:16,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:41:16,826 INFO L93 Difference]: Finished difference Result 11758 states and 16204 transitions. [2022-07-21 13:41:16,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:41:16,827 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 [2022-07-21 13:41:16,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:41:16,876 INFO L225 Difference]: With dead ends: 11758 [2022-07-21 13:41:16,876 INFO L226 Difference]: Without dead ends: 7055 [2022-07-21 13:41:16,902 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 [2022-07-21 13:41:16,903 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, 0.5s IncrementalHoareTripleChecker+Time [2022-07-21 13:41:16,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3235 Valid, 7256 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-21 13:41:16,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7055 states. [2022-07-21 13:41:17,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7055 to 7033. [2022-07-21 13:41:17,097 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) [2022-07-21 13:41:17,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7033 states to 7033 states and 9684 transitions. [2022-07-21 13:41:17,143 INFO L78 Accepts]: Start accepts. Automaton has 7033 states and 9684 transitions. Word has length 95 [2022-07-21 13:41:17,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:41:17,144 INFO L495 AbstractCegarLoop]: Abstraction has 7033 states and 9684 transitions. [2022-07-21 13:41:17,144 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) [2022-07-21 13:41:17,144 INFO L276 IsEmpty]: Start isEmpty. Operand 7033 states and 9684 transitions. [2022-07-21 13:41:17,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-07-21 13:41:17,147 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:41:17,147 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] [2022-07-21 13:41:17,275 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 13:41:17,367 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:41:17,367 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)] === [2022-07-21 13:41:17,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:41:17,368 INFO L85 PathProgramCache]: Analyzing trace with hash -1782373060, now seen corresponding path program 1 times [2022-07-21 13:41:17,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:41:17,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2071964309] [2022-07-21 13:41:17,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:41:17,375 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:41:17,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:41:17,377 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 13:41:17,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 13:41:24,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:25,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 5233 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:41:25,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:41:25,262 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-07-21 13:41:25,263 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:41:25,263 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:41:25,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2071964309] [2022-07-21 13:41:25,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2071964309] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:41:25,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:41:25,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:41:25,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066688673] [2022-07-21 13:41:25,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:41:25,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:41:25,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:41:25,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:41:25,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:41:25,265 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) [2022-07-21 13:41:26,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:41:26,348 INFO L93 Difference]: Finished difference Result 17410 states and 23926 transitions. [2022-07-21 13:41:26,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:41:26,349 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 [2022-07-21 13:41:26,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:41:26,408 INFO L225 Difference]: With dead ends: 17410 [2022-07-21 13:41:26,409 INFO L226 Difference]: Without dead ends: 10394 [2022-07-21 13:41:26,446 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 [2022-07-21 13:41:26,449 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 [2022-07-21 13:41:26,450 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] [2022-07-21 13:41:26,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10394 states. [2022-07-21 13:41:26,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10394 to 10370. [2022-07-21 13:41:26,741 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) [2022-07-21 13:41:26,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10370 states to 10370 states and 14191 transitions. [2022-07-21 13:41:26,792 INFO L78 Accepts]: Start accepts. Automaton has 10370 states and 14191 transitions. Word has length 97 [2022-07-21 13:41:26,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:41:26,794 INFO L495 AbstractCegarLoop]: Abstraction has 10370 states and 14191 transitions. [2022-07-21 13:41:26,795 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) [2022-07-21 13:41:26,795 INFO L276 IsEmpty]: Start isEmpty. Operand 10370 states and 14191 transitions. [2022-07-21 13:41:26,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-07-21 13:41:26,800 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:41:26,800 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] [2022-07-21 13:41:26,942 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 13:41:27,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:41:27,019 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)] === [2022-07-21 13:41:27,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:41:27,020 INFO L85 PathProgramCache]: Analyzing trace with hash -218919595, now seen corresponding path program 1 times [2022-07-21 13:41:27,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:41:27,028 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1691747336] [2022-07-21 13:41:27,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:41:27,029 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:41:27,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:41:27,030 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 13:41:27,031 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 13:41:34,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:34,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 5236 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:41:34,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:41:34,913 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2022-07-21 13:41:34,913 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:41:34,913 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:41:34,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1691747336] [2022-07-21 13:41:34,914 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1691747336] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:41:34,914 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:41:34,914 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:41:34,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447419997] [2022-07-21 13:41:34,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:41:34,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:41:34,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:41:34,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:41:34,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:41:34,915 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) [2022-07-21 13:41:35,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:41:35,903 INFO L93 Difference]: Finished difference Result 25406 states and 34665 transitions. [2022-07-21 13:41:35,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:41:35,904 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 [2022-07-21 13:41:35,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:41:35,999 INFO L225 Difference]: With dead ends: 25406 [2022-07-21 13:41:35,999 INFO L226 Difference]: Without dead ends: 15053 [2022-07-21 13:41:36,054 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 [2022-07-21 13:41:36,056 INFO L413 NwaCegarLoop]: 3906 mSDtfsCounter, 3099 mSDsluCounter, 3245 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3099 SdHoareTripleChecker+Valid, 7151 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-21 13:41:36,057 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3099 Valid, 7151 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-21 13:41:36,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15053 states. [2022-07-21 13:41:36,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15053 to 15015. [2022-07-21 13:41:36,504 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) [2022-07-21 13:41:36,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15015 states to 15015 states and 20432 transitions. [2022-07-21 13:41:36,572 INFO L78 Accepts]: Start accepts. Automaton has 15015 states and 20432 transitions. Word has length 103 [2022-07-21 13:41:36,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:41:36,573 INFO L495 AbstractCegarLoop]: Abstraction has 15015 states and 20432 transitions. [2022-07-21 13:41:36,573 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) [2022-07-21 13:41:36,573 INFO L276 IsEmpty]: Start isEmpty. Operand 15015 states and 20432 transitions. [2022-07-21 13:41:36,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-07-21 13:41:36,576 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:41:36,576 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] [2022-07-21 13:41:36,728 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-21 13:41:36,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:41:36,791 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)] === [2022-07-21 13:41:36,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:41:36,792 INFO L85 PathProgramCache]: Analyzing trace with hash 346365365, now seen corresponding path program 1 times [2022-07-21 13:41:36,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:41:36,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [695203546] [2022-07-21 13:41:36,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:41:36,799 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:41:36,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:41:36,801 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 13:41:36,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 13:41:44,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:44,891 INFO L263 TraceCheckSpWp]: Trace formula consists of 5300 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:41:44,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:41:45,037 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-07-21 13:41:45,038 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:41:45,038 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:41:45,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [695203546] [2022-07-21 13:41:45,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [695203546] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:41:45,038 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:41:45,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:41:45,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535816741] [2022-07-21 13:41:45,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:41:45,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:41:45,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:41:45,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:41:45,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:41:45,040 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) [2022-07-21 13:41:46,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:41:46,041 INFO L93 Difference]: Finished difference Result 43145 states and 58809 transitions. [2022-07-21 13:41:46,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:41:46,042 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 [2022-07-21 13:41:46,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:41:46,176 INFO L225 Difference]: With dead ends: 43145 [2022-07-21 13:41:46,176 INFO L226 Difference]: Without dead ends: 28746 [2022-07-21 13:41:46,234 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 [2022-07-21 13:41:46,235 INFO L413 NwaCegarLoop]: 5112 mSDtfsCounter, 3170 mSDsluCounter, 3306 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3170 SdHoareTripleChecker+Valid, 8418 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-21 13:41:46,235 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] [2022-07-21 13:41:46,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28746 states. [2022-07-21 13:41:47,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28746 to 28740. [2022-07-21 13:41:47,130 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) [2022-07-21 13:41:47,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28740 states to 28740 states and 39131 transitions. [2022-07-21 13:41:47,256 INFO L78 Accepts]: Start accepts. Automaton has 28740 states and 39131 transitions. Word has length 166 [2022-07-21 13:41:47,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:41:47,257 INFO L495 AbstractCegarLoop]: Abstraction has 28740 states and 39131 transitions. [2022-07-21 13:41:47,258 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) [2022-07-21 13:41:47,258 INFO L276 IsEmpty]: Start isEmpty. Operand 28740 states and 39131 transitions. [2022-07-21 13:41:47,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-07-21 13:41:47,261 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:41:47,261 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] [2022-07-21 13:41:47,405 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-21 13:41:47,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:41:47,472 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)] === [2022-07-21 13:41:47,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:41:47,472 INFO L85 PathProgramCache]: Analyzing trace with hash 486913975, now seen corresponding path program 1 times [2022-07-21 13:41:47,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:41:47,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [696822503] [2022-07-21 13:41:47,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:41:47,478 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:41:47,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:41:47,480 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 13:41:47,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-21 13:41:54,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:41:55,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 5300 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 13:41:55,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:41:56,982 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2022-07-21 13:41:56,982 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:41:56,982 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:41:56,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [696822503] [2022-07-21 13:41:56,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [696822503] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:41:56,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:41:56,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 13:41:56,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966551879] [2022-07-21 13:41:56,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:41:56,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:41:56,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:41:56,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:41:56,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 13:41:56,984 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) [2022-07-21 13:41:57,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:41:57,985 INFO L93 Difference]: Finished difference Result 28746 states and 39136 transitions. [2022-07-21 13:41:57,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-21 13:41:57,985 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 [2022-07-21 13:41:57,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:41:58,267 INFO L225 Difference]: With dead ends: 28746 [2022-07-21 13:41:58,267 INFO L226 Difference]: Without dead ends: 28744 [2022-07-21 13:41:58,279 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-21 13:41:58,281 INFO L413 NwaCegarLoop]: 3330 mSDtfsCounter, 3245 mSDsluCounter, 6653 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3246 SdHoareTripleChecker+Valid, 9983 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-21 13:41:58,281 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3246 Valid, 9983 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-21 13:41:58,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28744 states. [2022-07-21 13:41:59,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28744 to 28744. [2022-07-21 13:41:59,049 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) [2022-07-21 13:41:59,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28744 states to 28744 states and 39134 transitions. [2022-07-21 13:41:59,284 INFO L78 Accepts]: Start accepts. Automaton has 28744 states and 39134 transitions. Word has length 166 [2022-07-21 13:41:59,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:41:59,285 INFO L495 AbstractCegarLoop]: Abstraction has 28744 states and 39134 transitions. [2022-07-21 13:41:59,285 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) [2022-07-21 13:41:59,286 INFO L276 IsEmpty]: Start isEmpty. Operand 28744 states and 39134 transitions. [2022-07-21 13:41:59,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2022-07-21 13:41:59,288 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:41:59,289 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] [2022-07-21 13:41:59,423 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-21 13:41:59,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:41:59,503 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)] === [2022-07-21 13:41:59,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:41:59,504 INFO L85 PathProgramCache]: Analyzing trace with hash -712533819, now seen corresponding path program 1 times [2022-07-21 13:41:59,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:41:59,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1034575920] [2022-07-21 13:41:59,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:41:59,510 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:41:59,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:41:59,513 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 13:41:59,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-21 13:42:06,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:07,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 5307 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 13:42:07,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:42:09,041 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2022-07-21 13:42:09,041 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 13:42:09,956 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2022-07-21 13:42:09,956 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:42:09,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1034575920] [2022-07-21 13:42:09,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1034575920] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-21 13:42:09,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 13:42:09,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-07-21 13:42:09,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729370616] [2022-07-21 13:42:09,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:42:09,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:42:09,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:42:09,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:42:09,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-21 13:42:09,958 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) [2022-07-21 13:42:11,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:42:11,260 INFO L93 Difference]: Finished difference Result 28750 states and 39139 transitions. [2022-07-21 13:42:11,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 13:42:11,261 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 [2022-07-21 13:42:11,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:42:11,400 INFO L225 Difference]: With dead ends: 28750 [2022-07-21 13:42:11,401 INFO L226 Difference]: Without dead ends: 28748 [2022-07-21 13:42:11,422 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 [2022-07-21 13:42:11,423 INFO L413 NwaCegarLoop]: 3333 mSDtfsCounter, 3265 mSDsluCounter, 6652 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3270 SdHoareTripleChecker+Valid, 9985 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-21 13:42:11,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3270 Valid, 9985 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-21 13:42:11,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28748 states. [2022-07-21 13:42:12,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28748 to 28748. [2022-07-21 13:42:12,313 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) [2022-07-21 13:42:12,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28748 states to 28748 states and 39137 transitions. [2022-07-21 13:42:12,443 INFO L78 Accepts]: Start accepts. Automaton has 28748 states and 39137 transitions. Word has length 171 [2022-07-21 13:42:12,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:42:12,444 INFO L495 AbstractCegarLoop]: Abstraction has 28748 states and 39137 transitions. [2022-07-21 13:42:12,444 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) [2022-07-21 13:42:12,444 INFO L276 IsEmpty]: Start isEmpty. Operand 28748 states and 39137 transitions. [2022-07-21 13:42:12,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-07-21 13:42:12,450 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:42:12,450 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] [2022-07-21 13:42:12,608 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-21 13:42:12,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:42:12,667 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)] === [2022-07-21 13:42:12,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:42:12,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1342916663, now seen corresponding path program 1 times [2022-07-21 13:42:12,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:42:12,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [788511944] [2022-07-21 13:42:12,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:42:12,677 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:42:12,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:42:12,678 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 13:42:12,680 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-21 13:42:20,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:21,005 INFO L263 TraceCheckSpWp]: Trace formula consists of 5314 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 13:42:21,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:42:22,667 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2022-07-21 13:42:22,668 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 13:42:23,516 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2022-07-21 13:42:23,517 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:42:23,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [788511944] [2022-07-21 13:42:23,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [788511944] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-21 13:42:23,517 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 13:42:23,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-07-21 13:42:23,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410182819] [2022-07-21 13:42:23,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:42:23,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:42:23,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:42:23,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:42:23,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-21 13:42:23,518 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) [2022-07-21 13:42:25,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:42:25,512 INFO L93 Difference]: Finished difference Result 56254 states and 76926 transitions. [2022-07-21 13:42:25,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 13:42:25,513 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 [2022-07-21 13:42:25,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:42:25,843 INFO L225 Difference]: With dead ends: 56254 [2022-07-21 13:42:25,843 INFO L226 Difference]: Without dead ends: 56252 [2022-07-21 13:42:25,888 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 [2022-07-21 13:42:25,889 INFO L413 NwaCegarLoop]: 4154 mSDtfsCounter, 3265 mSDsluCounter, 11552 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2022-07-21 13:42:25,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3269 Valid, 15706 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-21 13:42:25,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56252 states. [2022-07-21 13:42:27,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56252 to 56184. [2022-07-21 13:42:27,627 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) [2022-07-21 13:42:27,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56184 states to 56184 states and 76848 transitions. [2022-07-21 13:42:27,936 INFO L78 Accepts]: Start accepts. Automaton has 56184 states and 76848 transitions. Word has length 176 [2022-07-21 13:42:27,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:42:27,938 INFO L495 AbstractCegarLoop]: Abstraction has 56184 states and 76848 transitions. [2022-07-21 13:42:27,939 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) [2022-07-21 13:42:27,939 INFO L276 IsEmpty]: Start isEmpty. Operand 56184 states and 76848 transitions. [2022-07-21 13:42:27,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-07-21 13:42:27,946 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:42:27,947 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] [2022-07-21 13:42:28,091 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-21 13:42:28,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:42:28,159 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)] === [2022-07-21 13:42:28,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:42:28,160 INFO L85 PathProgramCache]: Analyzing trace with hash 226964325, now seen corresponding path program 1 times [2022-07-21 13:42:28,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:42:28,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1849316674] [2022-07-21 13:42:28,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:42:28,166 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:42:28,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:42:28,171 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-21 13:42:28,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-21 13:42:36,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:37,275 INFO L263 TraceCheckSpWp]: Trace formula consists of 5391 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:42:37,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:42:37,686 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2022-07-21 13:42:37,687 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:42:37,687 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:42:37,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1849316674] [2022-07-21 13:42:37,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1849316674] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:42:37,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:42:37,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:42:37,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476591271] [2022-07-21 13:42:37,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:42:37,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:42:37,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:42:37,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:42:37,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:42:37,689 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) [2022-07-21 13:42:40,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:42:40,638 INFO L93 Difference]: Finished difference Result 132024 states and 180446 transitions. [2022-07-21 13:42:40,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:42:40,639 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 [2022-07-21 13:42:40,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:42:41,220 INFO L225 Difference]: With dead ends: 132024 [2022-07-21 13:42:41,221 INFO L226 Difference]: Without dead ends: 76456 [2022-07-21 13:42:41,416 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 [2022-07-21 13:42:41,418 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, 0.9s IncrementalHoareTripleChecker+Time [2022-07-21 13:42:41,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2616 Valid, 9108 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-21 13:42:41,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76456 states. [2022-07-21 13:42:43,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76456 to 76344. [2022-07-21 13:42:43,771 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) [2022-07-21 13:42:44,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76344 states to 76344 states and 104024 transitions. [2022-07-21 13:42:44,290 INFO L78 Accepts]: Start accepts. Automaton has 76344 states and 104024 transitions. Word has length 177 [2022-07-21 13:42:44,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:42:44,291 INFO L495 AbstractCegarLoop]: Abstraction has 76344 states and 104024 transitions. [2022-07-21 13:42:44,291 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) [2022-07-21 13:42:44,291 INFO L276 IsEmpty]: Start isEmpty. Operand 76344 states and 104024 transitions. [2022-07-21 13:42:44,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-07-21 13:42:44,295 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:42:44,296 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] [2022-07-21 13:42:44,419 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-21 13:42:44,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:42:44,516 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)] === [2022-07-21 13:42:44,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:42:44,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1377994693, now seen corresponding path program 1 times [2022-07-21 13:42:44,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:42:44,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [724463031] [2022-07-21 13:42:44,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:42:44,523 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:42:44,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:42:44,524 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) [2022-07-21 13:42:44,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-21 13:42:52,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:42:52,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 5321 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 13:42:52,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:42:54,389 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2022-07-21 13:42:54,390 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 13:42:55,315 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2022-07-21 13:42:55,315 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:42:55,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [724463031] [2022-07-21 13:42:55,315 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [724463031] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-21 13:42:55,315 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 13:42:55,316 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-07-21 13:42:55,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613856571] [2022-07-21 13:42:55,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:42:55,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:42:55,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:42:55,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:42:55,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-21 13:42:55,317 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) [2022-07-21 13:42:59,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:42:59,174 INFO L93 Difference]: Finished difference Result 152018 states and 209644 transitions. [2022-07-21 13:42:59,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 13:42:59,174 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 [2022-07-21 13:42:59,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:42:59,988 INFO L225 Difference]: With dead ends: 152018 [2022-07-21 13:42:59,989 INFO L226 Difference]: Without dead ends: 152016 [2022-07-21 13:43:00,080 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 [2022-07-21 13:43:00,081 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 [2022-07-21 13:43:00,081 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] [2022-07-21 13:43:00,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152016 states. [2022-07-21 13:43:04,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152016 to 151976. [2022-07-21 13:43:04,452 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) [2022-07-21 13:43:05,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151976 states to 151976 states and 209605 transitions. [2022-07-21 13:43:05,891 INFO L78 Accepts]: Start accepts. Automaton has 151976 states and 209605 transitions. Word has length 181 [2022-07-21 13:43:05,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:43:05,892 INFO L495 AbstractCegarLoop]: Abstraction has 151976 states and 209605 transitions. [2022-07-21 13:43:05,892 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) [2022-07-21 13:43:05,892 INFO L276 IsEmpty]: Start isEmpty. Operand 151976 states and 209605 transitions. [2022-07-21 13:43:05,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-07-21 13:43:05,897 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:43:05,897 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] [2022-07-21 13:43:06,045 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-21 13:43:06,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:43:06,111 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)] === [2022-07-21 13:43:06,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:43:06,112 INFO L85 PathProgramCache]: Analyzing trace with hash 2049435831, now seen corresponding path program 1 times [2022-07-21 13:43:06,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:43:06,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [592982583] [2022-07-21 13:43:06,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:43:06,118 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:43:06,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:43:06,119 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) [2022-07-21 13:43:06,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-21 13:43:13,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:43:14,266 INFO L263 TraceCheckSpWp]: Trace formula consists of 5328 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-21 13:43:14,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:43:15,924 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2022-07-21 13:43:15,924 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-21 13:43:16,775 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2022-07-21 13:43:16,775 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:43:16,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [592982583] [2022-07-21 13:43:16,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [592982583] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-21 13:43:16,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 13:43:16,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-07-21 13:43:16,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993991186] [2022-07-21 13:43:16,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:43:16,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 13:43:16,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:43:16,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 13:43:16,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-21 13:43:16,778 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) [2022-07-21 13:43:20,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:43:20,436 INFO L93 Difference]: Finished difference Result 151994 states and 209622 transitions. [2022-07-21 13:43:20,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-21 13:43:20,436 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 [2022-07-21 13:43:20,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:43:21,295 INFO L225 Difference]: With dead ends: 151994 [2022-07-21 13:43:21,295 INFO L226 Difference]: Without dead ends: 151992 [2022-07-21 13:43:21,373 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 [2022-07-21 13:43:21,374 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 [2022-07-21 13:43:21,374 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] [2022-07-21 13:43:21,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151992 states. [2022-07-21 13:43:25,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151992 to 151992. [2022-07-21 13:43:26,104 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) [2022-07-21 13:43:27,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151992 states to 151992 states and 209617 transitions. [2022-07-21 13:43:27,130 INFO L78 Accepts]: Start accepts. Automaton has 151992 states and 209617 transitions. Word has length 186 [2022-07-21 13:43:27,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 13:43:27,131 INFO L495 AbstractCegarLoop]: Abstraction has 151992 states and 209617 transitions. [2022-07-21 13:43:27,131 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) [2022-07-21 13:43:27,131 INFO L276 IsEmpty]: Start isEmpty. Operand 151992 states and 209617 transitions. [2022-07-21 13:43:27,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2022-07-21 13:43:27,135 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 13:43:27,135 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] [2022-07-21 13:43:27,252 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Ended with exit code 0 [2022-07-21 13:43:27,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 13:43:27,355 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)] === [2022-07-21 13:43:27,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 13:43:27,356 INFO L85 PathProgramCache]: Analyzing trace with hash -2071585197, now seen corresponding path program 1 times [2022-07-21 13:43:27,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 13:43:27,362 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1291875359] [2022-07-21 13:43:27,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 13:43:27,362 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 13:43:27,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 13:43:27,364 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) [2022-07-21 13:43:27,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-21 13:43:34,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 13:43:35,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 5354 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 13:43:35,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 13:43:35,477 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-07-21 13:43:35,477 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 13:43:35,477 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 13:43:35,477 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1291875359] [2022-07-21 13:43:35,478 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1291875359] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 13:43:35,478 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 13:43:35,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 13:43:35,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135128405] [2022-07-21 13:43:35,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 13:43:35,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 13:43:35,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 13:43:35,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 13:43:35,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 13:43:35,479 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) [2022-07-21 13:43:43,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 13:43:43,616 INFO L93 Difference]: Finished difference Result 377244 states and 520541 transitions. [2022-07-21 13:43:43,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 13:43:43,617 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 [2022-07-21 13:43:43,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 13:43:44,759 INFO L225 Difference]: With dead ends: 377244 [2022-07-21 13:43:44,759 INFO L226 Difference]: Without dead ends: 225868 [2022-07-21 13:43:45,564 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 [2022-07-21 13:43:45,565 INFO L413 NwaCegarLoop]: 6509 mSDtfsCounter, 3188 mSDsluCounter, 3308 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2022-07-21 13:43:45,565 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3188 Valid, 9817 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-21 13:43:45,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225868 states.