./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-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 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-spinlock_drivers-net-ethernet-qlogic-qla3xxx.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 5663310b82fa3e5d48c5bcacd13ac8ac886029c41a2f8f3bd2b8442c496a9447 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 02:36:01,020 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 02:36:01,050 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 02:36:01,083 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 02:36:01,085 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 02:36:01,086 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 02:36:01,089 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 02:36:01,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 02:36:01,097 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 02:36:01,098 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 02:36:01,099 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 02:36:01,100 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 02:36:01,101 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 02:36:01,102 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 02:36:01,102 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 02:36:01,103 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 02:36:01,104 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 02:36:01,110 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 02:36:01,114 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 02:36:01,118 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 02:36:01,119 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 02:36:01,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 02:36:01,121 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 02:36:01,122 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 02:36:01,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 02:36:01,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 02:36:01,125 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 02:36:01,125 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 02:36:01,126 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 02:36:01,127 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 02:36:01,127 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 02:36:01,128 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 02:36:01,128 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 02:36:01,129 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 02:36:01,130 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 02:36:01,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 02:36:01,131 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 02:36:01,131 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 02:36:01,132 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 02:36:01,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 02:36:01,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 02:36:01,137 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 02:36:01,138 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 02:36:01,162 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 02:36:01,163 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 02:36:01,163 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 02:36:01,163 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 02:36:01,164 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 02:36:01,165 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 02:36:01,165 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 02:36:01,166 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 02:36:01,166 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 02:36:01,167 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 02:36:01,167 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 02:36:01,167 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 02:36:01,167 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 02:36:01,167 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 02:36:01,168 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 02:36:01,168 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 02:36:01,168 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 02:36:01,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 02:36:01,168 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 02:36:01,170 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 02:36:01,170 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 02:36:01,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:36:01,170 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 02:36:01,170 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 02:36:01,171 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 02:36:01,171 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 02:36:01,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 02:36:01,171 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 02:36:01,171 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 02:36:01,172 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 02:36:01,172 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5663310b82fa3e5d48c5bcacd13ac8ac886029c41a2f8f3bd2b8442c496a9447 [2022-07-23 02:36:01,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 02:36:01,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 02:36:01,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 02:36:01,487 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 02:36:01,491 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 02:36:01,493 INFO L432 ainManager$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-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i [2022-07-23 02:36:01,556 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bae1d7a34/0092e742660d4015a42fdfbc5f5201a8/FLAG118f8b3ce [2022-07-23 02:36:02,495 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 02:36:02,496 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i [2022-07-23 02:36:02,550 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bae1d7a34/0092e742660d4015a42fdfbc5f5201a8/FLAG118f8b3ce [2022-07-23 02:36:02,929 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bae1d7a34/0092e742660d4015a42fdfbc5f5201a8 [2022-07-23 02:36:02,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 02:36:02,935 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 02:36:02,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 02:36:02,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 02:36:02,941 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 02:36:02,942 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:36:02" (1/1) ... [2022-07-23 02:36:02,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a3a1451 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:36:02, skipping insertion in model container [2022-07-23 02:36:02,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:36:02" (1/1) ... [2022-07-23 02:36:02,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 02:36:03,105 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 02:36:07,028 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-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[408897,408910] [2022-07-23 02:36:07,032 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-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409066,409079] [2022-07-23 02:36:07,033 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-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409233,409246] [2022-07-23 02:36:07,033 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-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409401,409414] [2022-07-23 02:36:07,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:36:07,113 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 02:36:07,278 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckException: Type check failed for C: reg = (unsigned int )((u16 )((int )reg >> 8)) & 3U [7799] at de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) at de.uni_freiburg.informatik.ultimate.boogie.typechecker.TypeCheckHelper.typeCheckBinaryExpression(TypeCheckHelper.java:207) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.constructBinaryExpression(ExpressionFactory.java:597) at de.uni_freiburg.informatik.ultimate.boogie.ExpressionFactory.newBinaryExpression(ExpressionFactory.java:132) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractAssign(BitabsTranslation.java:483) 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) [2022-07-23 02:36:07,285 INFO L158 Benchmark]: Toolchain (without parser) took 4348.98ms. Allocated memory was 107.0MB in the beginning and 142.6MB in the end (delta: 35.7MB). Free memory was 72.3MB in the beginning and 54.0MB in the end (delta: 18.4MB). Peak memory consumption was 72.5MB. Max. memory is 16.1GB. [2022-07-23 02:36:07,286 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 107.0MB. Free memory is still 85.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 02:36:07,287 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4345.65ms. Allocated memory was 107.0MB in the beginning and 142.6MB in the end (delta: 35.7MB). Free memory was 72.1MB in the beginning and 54.0MB in the end (delta: 18.1MB). Peak memory consumption was 72.5MB. Max. memory is 16.1GB. [2022-07-23 02:36:07,288 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 107.0MB. Free memory is still 85.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4345.65ms. Allocated memory was 107.0MB in the beginning and 142.6MB in the end (delta: 35.7MB). Free memory was 72.1MB in the beginning and 54.0MB in the end (delta: 18.1MB). Peak memory consumption was 72.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: reg = (unsigned int )((u16 )((int )reg >> 8)) & 3U [7799] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: reg = (unsigned int )((u16 )((int )reg >> 8)) & 3U [7799]: de.uni_freiburg.informatik.ultimate.boogie.TypeErrorReporter.report(TypeErrorReporter.java:52) 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-spinlock_drivers-net-ethernet-qlogic-qla3xxx.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 5663310b82fa3e5d48c5bcacd13ac8ac886029c41a2f8f3bd2b8442c496a9447 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 02:36:09,044 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 02:36:09,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 02:36:09,086 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 02:36:09,087 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 02:36:09,088 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 02:36:09,092 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 02:36:09,095 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 02:36:09,097 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 02:36:09,102 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 02:36:09,103 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 02:36:09,108 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 02:36:09,109 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 02:36:09,111 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 02:36:09,112 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 02:36:09,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 02:36:09,114 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 02:36:09,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 02:36:09,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 02:36:09,117 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 02:36:09,122 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 02:36:09,123 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 02:36:09,123 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 02:36:09,125 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 02:36:09,126 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 02:36:09,132 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 02:36:09,136 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 02:36:09,136 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 02:36:09,137 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 02:36:09,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 02:36:09,138 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 02:36:09,139 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 02:36:09,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 02:36:09,141 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 02:36:09,143 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 02:36:09,144 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 02:36:09,144 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 02:36:09,144 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 02:36:09,145 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 02:36:09,145 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 02:36:09,146 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 02:36:09,148 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 02:36:09,151 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-23 02:36:09,187 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 02:36:09,188 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 02:36:09,188 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 02:36:09,188 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 02:36:09,189 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 02:36:09,189 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 02:36:09,190 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 02:36:09,190 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 02:36:09,191 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 02:36:09,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 02:36:09,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 02:36:09,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 02:36:09,192 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 02:36:09,192 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 02:36:09,192 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-23 02:36:09,193 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-23 02:36:09,193 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-23 02:36:09,193 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 02:36:09,193 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 02:36:09,193 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 02:36:09,194 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 02:36:09,194 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 02:36:09,194 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 02:36:09,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:36:09,194 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 02:36:09,195 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 02:36:09,195 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 02:36:09,195 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-23 02:36:09,195 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-23 02:36:09,195 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 02:36:09,196 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 02:36:09,196 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 02:36:09,196 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-23 02:36:09,196 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5663310b82fa3e5d48c5bcacd13ac8ac886029c41a2f8f3bd2b8442c496a9447 [2022-07-23 02:36:09,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 02:36:09,579 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 02:36:09,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 02:36:09,583 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 02:36:09,583 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 02:36:09,585 INFO L432 ainManager$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-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i [2022-07-23 02:36:09,643 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5d7eb8f9/b3011525b08942a4885429550b88874f/FLAG31632e0d5 [2022-07-23 02:36:10,593 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 02:36:10,594 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i [2022-07-23 02:36:10,659 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5d7eb8f9/b3011525b08942a4885429550b88874f/FLAG31632e0d5 [2022-07-23 02:36:11,123 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5d7eb8f9/b3011525b08942a4885429550b88874f [2022-07-23 02:36:11,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 02:36:11,127 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 02:36:11,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 02:36:11,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 02:36:11,132 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 02:36:11,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:36:11" (1/1) ... [2022-07-23 02:36:11,134 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b76e0c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:36:11, skipping insertion in model container [2022-07-23 02:36:11,134 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 02:36:11" (1/1) ... [2022-07-23 02:36:11,140 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 02:36:11,292 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 02:36:14,010 WARN L570 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-07-23 02:36:14,037 WARN L570 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-07-23 02:36:15,211 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-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[408897,408910] [2022-07-23 02:36:15,214 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-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409066,409079] [2022-07-23 02:36:15,215 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-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409233,409246] [2022-07-23 02:36:15,215 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-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409401,409414] [2022-07-23 02:36:15,238 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:36:15,303 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-23 02:36:15,361 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 02:36:15,653 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-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[408897,408910] [2022-07-23 02:36:15,653 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-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409066,409079] [2022-07-23 02:36:15,654 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-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409233,409246] [2022-07-23 02:36:15,659 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-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409401,409414] [2022-07-23 02:36:15,667 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:36:15,689 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 02:36:16,085 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-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[408897,408910] [2022-07-23 02:36:16,099 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-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409066,409079] [2022-07-23 02:36:16,100 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-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409233,409246] [2022-07-23 02:36:16,101 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-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i[409401,409414] [2022-07-23 02:36:16,109 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 02:36:16,418 INFO L208 MainTranslator]: Completed translation [2022-07-23 02:36:16,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:36:16 WrapperNode [2022-07-23 02:36:16,419 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 02:36:16,421 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 02:36:16,422 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 02:36:16,422 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 02:36:16,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:36:16" (1/1) ... [2022-07-23 02:36:16,555 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:36:16" (1/1) ... [2022-07-23 02:36:16,762 INFO L137 Inliner]: procedures = 587, calls = 2923, calls flagged for inlining = 287, calls inlined = 255, statements flattened = 6318 [2022-07-23 02:36:16,765 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 02:36:16,766 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 02:36:16,767 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 02:36:16,767 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 02:36:16,775 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:36:16" (1/1) ... [2022-07-23 02:36:16,776 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:36:16" (1/1) ... [2022-07-23 02:36:16,839 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:36:16" (1/1) ... [2022-07-23 02:36:16,840 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:36:16" (1/1) ... [2022-07-23 02:36:17,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:36:16" (1/1) ... [2022-07-23 02:36:17,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:36:16" (1/1) ... [2022-07-23 02:36:17,066 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:36:16" (1/1) ... [2022-07-23 02:36:17,098 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 02:36:17,099 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 02:36:17,099 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 02:36:17,099 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 02:36:17,100 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:36:16" (1/1) ... [2022-07-23 02:36:17,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 02:36:17,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 02:36:17,129 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) [2022-07-23 02:36:17,157 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 [2022-07-23 02:36:17,173 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_link_speed [2022-07-23 02:36:17,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_link_speed [2022-07-23 02:36:17,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_hw_lock_of_ql3_adapter [2022-07-23 02:36:17,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_hw_lock_of_ql3_adapter [2022-07-23 02:36:17,174 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-23 02:36:17,174 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-23 02:36:17,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 02:36:17,174 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 02:36:17,175 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-23 02:36:17,175 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-23 02:36:17,175 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_page [2022-07-23 02:36:17,175 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_page [2022-07-23 02:36:17,175 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_close [2022-07-23 02:36:17,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_close [2022-07-23 02:36:17,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 02:36:17,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 02:36:17,176 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-07-23 02:36:17,176 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-07-23 02:36:17,176 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work [2022-07-23 02:36:17,176 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work [2022-07-23 02:36:17,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-23 02:36:17,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-23 02:36:17,177 INFO L130 BoogieDeclarations]: Found specification of procedure ql_this_adapter_controls_port [2022-07-23 02:36:17,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_this_adapter_controls_port [2022-07-23 02:36:17,178 INFO L130 BoogieDeclarations]: Found specification of procedure ql_enable_interrupts [2022-07-23 02:36:17,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_enable_interrupts [2022-07-23 02:36:17,178 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-23 02:36:17,178 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-23 02:36:17,178 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-23 02:36:17,179 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-23 02:36:17,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_61 [2022-07-23 02:36:17,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_61 [2022-07-23 02:36:17,179 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_common_reg_l [2022-07-23 02:36:17,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_common_reg_l [2022-07-23 02:36:17,179 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_send_free_list [2022-07-23 02:36:17,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_send_free_list [2022-07-23 02:36:17,180 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-23 02:36:17,180 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-23 02:36:17,181 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-23 02:36:17,181 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-23 02:36:17,181 INFO L130 BoogieDeclarations]: Found specification of procedure ssleep [2022-07-23 02:36:17,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ssleep [2022-07-23 02:36:17,182 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-23 02:36:17,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-23 02:36:17,182 INFO L130 BoogieDeclarations]: Found specification of procedure ql_cycle_adapter [2022-07-23 02:36:17,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_cycle_adapter [2022-07-23 02:36:17,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-23 02:36:17,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-23 02:36:17,182 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mac_cfg_soft_reset [2022-07-23 02:36:17,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mac_cfg_soft_reset [2022-07-23 02:36:17,183 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-23 02:36:17,183 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-23 02:36:17,183 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-23 02:36:17,184 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-23 02:36:17,184 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_disable_scan_mode [2022-07-23 02:36:17,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_disable_scan_mode [2022-07-23 02:36:17,184 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-23 02:36:17,184 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-23 02:36:17,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 02:36:17,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 02:36:17,185 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-23 02:36:17,185 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-23 02:36:17,186 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 02:36:17,186 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-23 02:36:17,186 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-23 02:36:17,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-23 02:36:17,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-23 02:36:17,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-23 02:36:17,186 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_page0_reg_l [2022-07-23 02:36:17,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_page0_reg_l [2022-07-23 02:36:17,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-23 02:36:17,187 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_up [2022-07-23 02:36:17,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_up [2022-07-23 02:36:17,188 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 02:36:17,188 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 02:36:17,188 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-07-23 02:36:17,188 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-07-23 02:36:17,189 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-23 02:36:17,189 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-23 02:36:17,189 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-23 02:36:17,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-23 02:36:17,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-23 02:36:17,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-23 02:36:17,189 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_page1_reg [2022-07-23 02:36:17,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_page1_reg [2022-07-23 02:36:17,190 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-23 02:36:17,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-23 02:36:17,190 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-23 02:36:17,190 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-23 02:36:17,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 02:36:17,190 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 02:36:17,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-23 02:36:17,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-23 02:36:17,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-23 02:36:17,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-23 02:36:17,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-23 02:36:17,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-23 02:36:17,191 INFO L130 BoogieDeclarations]: Found specification of procedure dev_close [2022-07-23 02:36:17,192 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_close [2022-07-23 02:36:17,192 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-07-23 02:36:17,193 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-07-23 02:36:17,195 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_hw_lock_of_ql3_adapter [2022-07-23 02:36:17,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_hw_lock_of_ql3_adapter [2022-07-23 02:36:17,195 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_register_page [2022-07-23 02:36:17,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_register_page [2022-07-23 02:36:17,196 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-23 02:36:17,196 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-23 02:36:17,197 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_read_reg_ex [2022-07-23 02:36:17,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_read_reg_ex [2022-07-23 02:36:17,197 INFO L130 BoogieDeclarations]: Found specification of procedure ql_phy_init_ex [2022-07-23 02:36:17,202 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_phy_init_ex [2022-07-23 02:36:17,203 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-23 02:36:17,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-23 02:36:17,203 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_common_reg_l [2022-07-23 02:36:17,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_common_reg_l [2022-07-23 02:36:17,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 02:36:17,203 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_common_reg [2022-07-23 02:36:17,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_common_reg [2022-07-23 02:36:17,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-23 02:36:17,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-23 02:36:17,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-23 02:36:17,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-23 02:36:17,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-23 02:36:17,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-23 02:36:17,204 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_spinlock [2022-07-23 02:36:17,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_spinlock [2022-07-23 02:36:17,205 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_page2_reg [2022-07-23 02:36:17,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_page2_reg [2022-07-23 02:36:17,205 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 02:36:17,205 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_common_reg [2022-07-23 02:36:17,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_common_reg [2022-07-23 02:36:17,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-23 02:36:17,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-23 02:36:17,205 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-23 02:36:17,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-23 02:36:17,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 02:36:17,206 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_read_reg [2022-07-23 02:36:17,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_read_reg [2022-07-23 02:36:17,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-23 02:36:17,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-23 02:36:17,206 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 02:36:17,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 02:36:17,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-23 02:36:17,207 INFO L130 BoogieDeclarations]: Found specification of procedure ql_sem_unlock [2022-07-23 02:36:17,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_sem_unlock [2022-07-23 02:36:17,207 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-23 02:36:17,207 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-23 02:36:17,207 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_nvram_reg [2022-07-23 02:36:17,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_nvram_reg [2022-07-23 02:36:17,207 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-23 02:36:17,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~C_ULONG~X~C_INT~X~$Pointer$~TO~VOID [2022-07-23 02:36:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-23 02:36:17,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-23 02:36:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-23 02:36:17,208 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-23 02:36:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-23 02:36:17,208 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-23 02:36:17,208 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-23 02:36:17,208 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-23 02:36:17,209 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_for_drvr_lock [2022-07-23 02:36:17,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_for_drvr_lock [2022-07-23 02:36:17,209 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-23 02:36:17,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-23 02:36:17,209 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2022-07-23 02:36:17,210 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2022-07-23 02:36:17,210 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_enable_scan_mode [2022-07-23 02:36:17,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_enable_scan_mode [2022-07-23 02:36:17,210 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work [2022-07-23 02:36:17,210 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work [2022-07-23 02:36:17,210 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-07-23 02:36:17,210 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-07-23 02:36:17,210 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-23 02:36:17,211 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-23 02:36:17,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-23 02:36:17,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 02:36:17,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 02:36:17,211 INFO L130 BoogieDeclarations]: Found specification of procedure ql_wait_for_mii_ready [2022-07-23 02:36:17,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_wait_for_mii_ready [2022-07-23 02:36:17,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-23 02:36:17,211 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-23 02:36:17,212 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-23 02:36:17,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-23 02:36:17,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-23 02:36:17,212 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_large_buffers [2022-07-23 02:36:17,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_large_buffers [2022-07-23 02:36:17,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 02:36:17,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-23 02:36:17,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 02:36:17,212 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 02:36:17,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 02:36:17,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-23 02:36:17,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-23 02:36:17,213 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-23 02:36:17,213 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-23 02:36:17,213 INFO L130 BoogieDeclarations]: Found specification of procedure ql_disable_interrupts [2022-07-23 02:36:17,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_disable_interrupts [2022-07-23 02:36:17,213 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-07-23 02:36:17,214 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-07-23 02:36:17,214 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-23 02:36:17,214 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-23 02:36:17,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-23 02:36:17,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-23 02:36:17,214 INFO L130 BoogieDeclarations]: Found specification of procedure ql_read_page0_reg [2022-07-23 02:36:17,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_read_page0_reg [2022-07-23 02:36:17,214 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-23 02:36:17,215 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-23 02:36:17,215 INFO L130 BoogieDeclarations]: Found specification of procedure PHY_Setup [2022-07-23 02:36:17,215 INFO L138 BoogieDeclarations]: Found implementation of procedure PHY_Setup [2022-07-23 02:36:17,215 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 02:36:17,215 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 02:36:17,215 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_buffer_queues [2022-07-23 02:36:17,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_buffer_queues [2022-07-23 02:36:17,215 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-23 02:36:17,216 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-23 02:36:17,216 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-23 02:36:17,216 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-23 02:36:17,216 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_unmap_page [2022-07-23 02:36:17,216 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_unmap_page [2022-07-23 02:36:17,216 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_remove [2022-07-23 02:36:17,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_remove [2022-07-23 02:36:17,216 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-23 02:36:17,217 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-23 02:36:17,217 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2022-07-23 02:36:17,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2022-07-23 02:36:17,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 02:36:17,217 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-23 02:36:17,217 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-23 02:36:17,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 02:36:17,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-23 02:36:17,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-23 02:36:17,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-23 02:36:17,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-23 02:36:17,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 02:36:17,222 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-23 02:36:17,222 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-23 02:36:17,222 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 02:36:17,222 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 02:36:17,223 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-23 02:36:17,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-23 02:36:17,224 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-23 02:36:17,224 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-23 02:36:17,224 INFO L130 BoogieDeclarations]: Found specification of procedure ql_write_page0_reg [2022-07-23 02:36:17,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_write_page0_reg [2022-07-23 02:36:17,224 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-07-23 02:36:17,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-07-23 02:36:17,224 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-23 02:36:17,224 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-23 02:36:17,225 INFO L130 BoogieDeclarations]: Found specification of procedure ql_is_link_full_dup [2022-07-23 02:36:17,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_is_link_full_dup [2022-07-23 02:36:17,225 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_open [2022-07-23 02:36:17,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_open [2022-07-23 02:36:17,225 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 02:36:17,225 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 02:36:17,225 INFO L130 BoogieDeclarations]: Found specification of procedure ql3xxx_tx_timeout [2022-07-23 02:36:17,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ql3xxx_tx_timeout [2022-07-23 02:36:17,225 INFO L130 BoogieDeclarations]: Found specification of procedure ql_supported_modes [2022-07-23 02:36:17,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_supported_modes [2022-07-23 02:36:17,226 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-23 02:36:17,226 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-23 02:36:17,226 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-23 02:36:17,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-23 02:36:17,226 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-23 02:36:17,226 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-23 02:36:17,226 INFO L130 BoogieDeclarations]: Found specification of procedure ql_is_fiber [2022-07-23 02:36:17,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_is_fiber [2022-07-23 02:36:17,227 INFO L130 BoogieDeclarations]: Found specification of procedure skb_network_header [2022-07-23 02:36:17,227 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_network_header [2022-07-23 02:36:17,227 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 02:36:17,227 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 02:36:17,227 INFO L130 BoogieDeclarations]: Found specification of procedure ql_free_net_req_rsp_queues [2022-07-23 02:36:17,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_free_net_req_rsp_queues [2022-07-23 02:36:17,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-23 02:36:17,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-23 02:36:17,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-23 02:36:17,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-23 02:36:17,228 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 02:36:17,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 02:36:17,228 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_write_reg_ex [2022-07-23 02:36:17,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_write_reg_ex [2022-07-23 02:36:17,228 INFO L130 BoogieDeclarations]: Found specification of procedure ql_adapter_down [2022-07-23 02:36:17,228 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_adapter_down [2022-07-23 02:36:17,228 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-23 02:36:17,229 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-23 02:36:17,229 INFO L130 BoogieDeclarations]: Found specification of procedure ql_port_start [2022-07-23 02:36:17,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_port_start [2022-07-23 02:36:17,229 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-07-23 02:36:17,229 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-07-23 02:36:17,229 INFO L130 BoogieDeclarations]: Found specification of procedure ql_get_auto_cfg_status [2022-07-23 02:36:17,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_get_auto_cfg_status [2022-07-23 02:36:17,229 INFO L130 BoogieDeclarations]: Found specification of procedure ql_mii_write_reg [2022-07-23 02:36:17,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_mii_write_reg [2022-07-23 02:36:17,230 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-23 02:36:17,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-23 02:36:17,230 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2022-07-23 02:36:17,230 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2022-07-23 02:36:17,230 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-23 02:36:17,230 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-23 02:36:17,230 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-23 02:36:17,230 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-23 02:36:17,231 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-07-23 02:36:17,231 INFO L130 BoogieDeclarations]: Found specification of procedure ql_set_mac_addr [2022-07-23 02:36:17,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ql_set_mac_addr [2022-07-23 02:36:17,231 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-23 02:36:17,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-23 02:36:18,237 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 02:36:18,240 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 02:36:18,609 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 02:36:57,241 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-23 02:36:57,311 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 02:36:57,330 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 02:36:57,330 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 02:36:57,334 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:36:57 BoogieIcfgContainer [2022-07-23 02:36:57,334 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 02:36:57,336 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 02:36:57,336 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 02:36:57,339 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 02:36:57,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 02:36:11" (1/3) ... [2022-07-23 02:36:57,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ad1021c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 02:36:57, skipping insertion in model container [2022-07-23 02:36:57,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 02:36:16" (2/3) ... [2022-07-23 02:36:57,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ad1021c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 02:36:57, skipping insertion in model container [2022-07-23 02:36:57,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 02:36:57" (3/3) ... [2022-07-23 02:36:57,341 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-qlogic-qla3xxx.cil.i [2022-07-23 02:36:57,354 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 02:36:57,354 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-23 02:36:57,501 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 02:36:57,509 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@212a3211, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@ea984dd [2022-07-23 02:36:57,509 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-23 02:36:57,522 INFO L276 IsEmpty]: Start isEmpty. Operand has 2500 states, 1648 states have (on average 1.258495145631068) internal successors, (2074), 1699 states have internal predecessors, (2074), 714 states have call successors, (714), 136 states have call predecessors, (714), 135 states have return successors, (709), 694 states have call predecessors, (709), 709 states have call successors, (709) [2022-07-23 02:36:57,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-23 02:36:57,546 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:36:57,547 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:36:57,547 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 02:36:57,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:36:57,554 INFO L85 PathProgramCache]: Analyzing trace with hash 404930848, now seen corresponding path program 1 times [2022-07-23 02:36:57,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:36:57,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [708922813] [2022-07-23 02:36:57,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:36:57,570 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:36:57,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:36:57,575 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) [2022-07-23 02:36:57,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-23 02:36:58,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:36:58,858 INFO L263 TraceCheckSpWp]: Trace formula consists of 1224 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:36:58,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:36:59,036 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2022-07-23 02:36:59,036 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:36:59,037 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:36:59,037 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [708922813] [2022-07-23 02:36:59,037 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [708922813] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:36:59,037 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:36:59,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:36:59,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134757411] [2022-07-23 02:36:59,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:36:59,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:36:59,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:36:59,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:36:59,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:36:59,081 INFO L87 Difference]: Start difference. First operand has 2500 states, 1648 states have (on average 1.258495145631068) internal successors, (2074), 1699 states have internal predecessors, (2074), 714 states have call successors, (714), 136 states have call predecessors, (714), 135 states have return successors, (709), 694 states have call predecessors, (709), 709 states have call successors, (709) Second operand has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-07-23 02:36:59,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:36:59,645 INFO L93 Difference]: Finished difference Result 7383 states and 10536 transitions. [2022-07-23 02:36:59,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:36:59,648 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 112 [2022-07-23 02:36:59,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:36:59,711 INFO L225 Difference]: With dead ends: 7383 [2022-07-23 02:36:59,714 INFO L226 Difference]: Without dead ends: 4894 [2022-07-23 02:36:59,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 110 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:36:59,751 INFO L413 NwaCegarLoop]: 4176 mSDtfsCounter, 3386 mSDsluCounter, 3443 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3386 SdHoareTripleChecker+Valid, 7619 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-23 02:36:59,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3386 Valid, 7619 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-23 02:36:59,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4894 states. [2022-07-23 02:37:00,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4894 to 4890. [2022-07-23 02:37:00,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4890 states, 3236 states have (on average 1.2533992583436342) internal successors, (4056), 3336 states have internal predecessors, (4056), 1384 states have call successors, (1384), 268 states have call predecessors, (1384), 267 states have return successors, (1381), 1351 states have call predecessors, (1381), 1381 states have call successors, (1381) [2022-07-23 02:37:00,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4890 states to 4890 states and 6821 transitions. [2022-07-23 02:37:00,171 INFO L78 Accepts]: Start accepts. Automaton has 4890 states and 6821 transitions. Word has length 112 [2022-07-23 02:37:00,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:37:00,172 INFO L495 AbstractCegarLoop]: Abstraction has 4890 states and 6821 transitions. [2022-07-23 02:37:00,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 3 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2022-07-23 02:37:00,173 INFO L276 IsEmpty]: Start isEmpty. Operand 4890 states and 6821 transitions. [2022-07-23 02:37:00,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-07-23 02:37:00,177 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:37:00,177 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:37:00,214 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-23 02:37:00,391 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:37:00,392 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 02:37:00,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:37:00,393 INFO L85 PathProgramCache]: Analyzing trace with hash -376960966, now seen corresponding path program 1 times [2022-07-23 02:37:00,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:37:00,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [779150585] [2022-07-23 02:37:00,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:37:00,395 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:37:00,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:37:00,397 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) [2022-07-23 02:37:00,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-23 02:37:01,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:01,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 1295 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:37:01,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:37:01,873 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2022-07-23 02:37:01,873 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:37:01,873 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:37:01,873 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [779150585] [2022-07-23 02:37:01,874 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [779150585] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:37:01,874 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:37:01,874 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:37:01,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346952634] [2022-07-23 02:37:01,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:37:01,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:37:01,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:37:01,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:37:01,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:37:01,877 INFO L87 Difference]: Start difference. First operand 4890 states and 6821 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, (13), 3 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-23 02:37:02,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:37:02,590 INFO L93 Difference]: Finished difference Result 9061 states and 12519 transitions. [2022-07-23 02:37:02,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:37:02,591 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, (13), 3 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 117 [2022-07-23 02:37:02,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:37:02,632 INFO L225 Difference]: With dead ends: 9061 [2022-07-23 02:37:02,633 INFO L226 Difference]: Without dead ends: 4192 [2022-07-23 02:37:02,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:37:02,669 INFO L413 NwaCegarLoop]: 3749 mSDtfsCounter, 1143 mSDsluCounter, 3407 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1143 SdHoareTripleChecker+Valid, 7156 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-23 02:37:02,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1143 Valid, 7156 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-23 02:37:02,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4192 states. [2022-07-23 02:37:02,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4192 to 4166. [2022-07-23 02:37:02,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4166 states, 2791 states have (on average 1.2393407380867072) internal successors, (3459), 2858 states have internal predecessors, (3459), 1102 states have call successors, (1102), 271 states have call predecessors, (1102), 270 states have return successors, (1099), 1081 states have call predecessors, (1099), 1099 states have call successors, (1099) [2022-07-23 02:37:02,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4166 states to 4166 states and 5660 transitions. [2022-07-23 02:37:02,867 INFO L78 Accepts]: Start accepts. Automaton has 4166 states and 5660 transitions. Word has length 117 [2022-07-23 02:37:02,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:37:02,868 INFO L495 AbstractCegarLoop]: Abstraction has 4166 states and 5660 transitions. [2022-07-23 02:37:02,868 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, (13), 3 states have call predecessors, (13), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-23 02:37:02,868 INFO L276 IsEmpty]: Start isEmpty. Operand 4166 states and 5660 transitions. [2022-07-23 02:37:02,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-07-23 02:37:02,875 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:37:02,875 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:37:02,919 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-23 02:37:03,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:37:03,096 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 02:37:03,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:37:03,097 INFO L85 PathProgramCache]: Analyzing trace with hash 656615772, now seen corresponding path program 1 times [2022-07-23 02:37:03,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:37:03,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [633475395] [2022-07-23 02:37:03,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:37:03,099 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:37:03,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:37:03,101 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) [2022-07-23 02:37:03,103 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-23 02:37:04,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:04,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 1274 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:37:04,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:37:04,535 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2022-07-23 02:37:04,535 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:37:04,535 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:37:04,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [633475395] [2022-07-23 02:37:04,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [633475395] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:37:04,536 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:37:04,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:37:04,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518766831] [2022-07-23 02:37:04,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:37:04,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:37:04,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:37:04,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:37:04,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:37:04,537 INFO L87 Difference]: Start difference. First operand 4166 states and 5660 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-23 02:37:05,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:37:05,003 INFO L93 Difference]: Finished difference Result 11244 states and 15314 transitions. [2022-07-23 02:37:05,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:37:05,004 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 120 [2022-07-23 02:37:05,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:37:05,060 INFO L225 Difference]: With dead ends: 11244 [2022-07-23 02:37:05,060 INFO L226 Difference]: Without dead ends: 7099 [2022-07-23 02:37:05,087 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:37:05,091 INFO L413 NwaCegarLoop]: 4458 mSDtfsCounter, 3339 mSDsluCounter, 3267 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3339 SdHoareTripleChecker+Valid, 7725 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-23 02:37:05,092 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3339 Valid, 7725 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-23 02:37:05,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7099 states. [2022-07-23 02:37:05,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7099 to 7065. [2022-07-23 02:37:05,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7065 states, 4743 states have (on average 1.2426734134514021) internal successors, (5894), 4865 states have internal predecessors, (5894), 1859 states have call successors, (1859), 465 states have call predecessors, (1859), 460 states have return successors, (1875), 1811 states have call predecessors, (1875), 1856 states have call successors, (1875) [2022-07-23 02:37:05,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7065 states to 7065 states and 9628 transitions. [2022-07-23 02:37:05,417 INFO L78 Accepts]: Start accepts. Automaton has 7065 states and 9628 transitions. Word has length 120 [2022-07-23 02:37:05,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:37:05,418 INFO L495 AbstractCegarLoop]: Abstraction has 7065 states and 9628 transitions. [2022-07-23 02:37:05,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 3 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-23 02:37:05,418 INFO L276 IsEmpty]: Start isEmpty. Operand 7065 states and 9628 transitions. [2022-07-23 02:37:05,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-07-23 02:37:05,420 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:37:05,421 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:37:05,459 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-23 02:37:05,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:37:05,638 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 02:37:05,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:37:05,639 INFO L85 PathProgramCache]: Analyzing trace with hash -1149806852, now seen corresponding path program 1 times [2022-07-23 02:37:05,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:37:05,641 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1189889733] [2022-07-23 02:37:05,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:37:05,641 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:37:05,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:37:05,644 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) [2022-07-23 02:37:05,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-23 02:37:06,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:06,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 1314 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:37:06,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:37:07,035 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2022-07-23 02:37:07,036 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:37:07,036 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:37:07,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1189889733] [2022-07-23 02:37:07,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1189889733] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:37:07,036 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:37:07,036 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:37:07,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347812589] [2022-07-23 02:37:07,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:37:07,037 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:37:07,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:37:07,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:37:07,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:37:07,038 INFO L87 Difference]: Start difference. First operand 7065 states and 9628 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-23 02:37:07,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:37:07,802 INFO L93 Difference]: Finished difference Result 17952 states and 24573 transitions. [2022-07-23 02:37:07,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:37:07,803 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 135 [2022-07-23 02:37:07,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:37:07,916 INFO L225 Difference]: With dead ends: 17952 [2022-07-23 02:37:07,917 INFO L226 Difference]: Without dead ends: 10908 [2022-07-23 02:37:07,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:37:07,970 INFO L413 NwaCegarLoop]: 4095 mSDtfsCounter, 2988 mSDsluCounter, 3388 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2988 SdHoareTripleChecker+Valid, 7483 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-23 02:37:07,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2988 Valid, 7483 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-23 02:37:07,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10908 states. [2022-07-23 02:37:08,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10908 to 10873. [2022-07-23 02:37:08,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10873 states, 7248 states have (on average 1.2425496688741722) internal successors, (9006), 7477 states have internal predecessors, (9006), 2931 states have call successors, (2931), 701 states have call predecessors, (2931), 691 states have return successors, (2968), 2832 states have call predecessors, (2968), 2928 states have call successors, (2968) [2022-07-23 02:37:08,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10873 states to 10873 states and 14905 transitions. [2022-07-23 02:37:08,472 INFO L78 Accepts]: Start accepts. Automaton has 10873 states and 14905 transitions. Word has length 135 [2022-07-23 02:37:08,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:37:08,473 INFO L495 AbstractCegarLoop]: Abstraction has 10873 states and 14905 transitions. [2022-07-23 02:37:08,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2022-07-23 02:37:08,474 INFO L276 IsEmpty]: Start isEmpty. Operand 10873 states and 14905 transitions. [2022-07-23 02:37:08,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-07-23 02:37:08,477 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:37:08,477 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 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] [2022-07-23 02:37:08,524 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-23 02:37:08,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:37:08,696 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 02:37:08,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:37:08,696 INFO L85 PathProgramCache]: Analyzing trace with hash -473532878, now seen corresponding path program 1 times [2022-07-23 02:37:08,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:37:08,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1794432044] [2022-07-23 02:37:08,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:37:08,698 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:37:08,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:37:08,700 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) [2022-07-23 02:37:08,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-23 02:37:09,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:09,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 1345 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 02:37:09,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:37:11,361 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2022-07-23 02:37:11,361 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:37:11,361 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:37:11,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1794432044] [2022-07-23 02:37:11,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1794432044] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:37:11,362 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:37:11,362 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 02:37:11,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108519475] [2022-07-23 02:37:11,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:37:11,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:37:11,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:37:11,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:37:11,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 02:37:11,364 INFO L87 Difference]: Start difference. First operand 10873 states and 14905 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-07-23 02:37:11,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:37:11,809 INFO L93 Difference]: Finished difference Result 10879 states and 14910 transitions. [2022-07-23 02:37:11,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 02:37:11,810 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 164 [2022-07-23 02:37:11,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:37:11,879 INFO L225 Difference]: With dead ends: 10879 [2022-07-23 02:37:11,880 INFO L226 Difference]: Without dead ends: 10877 [2022-07-23 02:37:11,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:37:11,892 INFO L413 NwaCegarLoop]: 3466 mSDtfsCounter, 3395 mSDsluCounter, 6919 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3396 SdHoareTripleChecker+Valid, 10385 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 02:37:11,893 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3396 Valid, 10385 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 02:37:11,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10877 states. [2022-07-23 02:37:12,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10877 to 10877. [2022-07-23 02:37:12,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10877 states, 7251 states have (on average 1.24244931733554) internal successors, (9009), 7480 states have internal predecessors, (9009), 2931 states have call successors, (2931), 702 states have call predecessors, (2931), 692 states have return successors, (2968), 2832 states have call predecessors, (2968), 2928 states have call successors, (2968) [2022-07-23 02:37:12,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10877 states to 10877 states and 14908 transitions. [2022-07-23 02:37:12,368 INFO L78 Accepts]: Start accepts. Automaton has 10877 states and 14908 transitions. Word has length 164 [2022-07-23 02:37:12,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:37:12,369 INFO L495 AbstractCegarLoop]: Abstraction has 10877 states and 14908 transitions. [2022-07-23 02:37:12,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-07-23 02:37:12,369 INFO L276 IsEmpty]: Start isEmpty. Operand 10877 states and 14908 transitions. [2022-07-23 02:37:12,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-07-23 02:37:12,373 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:37:12,373 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 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] [2022-07-23 02:37:12,412 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-23 02:37:12,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:37:12,592 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 02:37:12,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:37:12,592 INFO L85 PathProgramCache]: Analyzing trace with hash 1390037152, now seen corresponding path program 1 times [2022-07-23 02:37:12,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:37:12,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [357922308] [2022-07-23 02:37:12,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:37:12,594 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:37:12,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:37:12,597 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) [2022-07-23 02:37:12,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-23 02:37:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:13,765 INFO L263 TraceCheckSpWp]: Trace formula consists of 1352 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 02:37:13,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:37:15,119 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2022-07-23 02:37:15,119 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 02:37:15,766 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2022-07-23 02:37:15,766 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:37:15,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [357922308] [2022-07-23 02:37:15,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [357922308] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-23 02:37:15,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 02:37:15,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-23 02:37:15,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628613170] [2022-07-23 02:37:15,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:37:15,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:37:15,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:37:15,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:37:15,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:37:15,768 INFO L87 Difference]: Start difference. First operand 10877 states and 14908 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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) [2022-07-23 02:37:16,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:37:16,382 INFO L93 Difference]: Finished difference Result 11240 states and 15288 transitions. [2022-07-23 02:37:16,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 02:37:16,383 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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 169 [2022-07-23 02:37:16,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:37:16,446 INFO L225 Difference]: With dead ends: 11240 [2022-07-23 02:37:16,447 INFO L226 Difference]: Without dead ends: 11238 [2022-07-23 02:37:16,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 331 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-23 02:37:16,459 INFO L413 NwaCegarLoop]: 3504 mSDtfsCounter, 3376 mSDsluCounter, 7134 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3387 SdHoareTripleChecker+Valid, 10638 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 02:37:16,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3387 Valid, 10638 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 02:37:16,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11238 states. [2022-07-23 02:37:16,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11238 to 11234. [2022-07-23 02:37:16,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11234 states, 7461 states have (on average 1.237769735960327) internal successors, (9235), 7698 states have internal predecessors, (9235), 3006 states have call successors, (3006), 774 states have call predecessors, (3006), 764 states have return successors, (3043), 2907 states have call predecessors, (3043), 3003 states have call successors, (3043) [2022-07-23 02:37:16,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11234 states to 11234 states and 15284 transitions. [2022-07-23 02:37:16,993 INFO L78 Accepts]: Start accepts. Automaton has 11234 states and 15284 transitions. Word has length 169 [2022-07-23 02:37:16,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:37:16,994 INFO L495 AbstractCegarLoop]: Abstraction has 11234 states and 15284 transitions. [2022-07-23 02:37:16,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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) [2022-07-23 02:37:16,994 INFO L276 IsEmpty]: Start isEmpty. Operand 11234 states and 15284 transitions. [2022-07-23 02:37:16,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-07-23 02:37:16,997 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:37:16,997 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 3, 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] [2022-07-23 02:37:17,037 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-23 02:37:17,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:37:17,215 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 02:37:17,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:37:17,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1831592626, now seen corresponding path program 1 times [2022-07-23 02:37:17,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:37:17,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [516525047] [2022-07-23 02:37:17,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:37:17,218 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:37:17,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:37:17,220 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) [2022-07-23 02:37:17,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-23 02:37:18,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:18,436 INFO L263 TraceCheckSpWp]: Trace formula consists of 1359 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 02:37:18,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:37:19,736 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2022-07-23 02:37:19,736 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 02:37:20,323 INFO L134 CoverageAnalysis]: Checked inductivity of 404 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 400 trivial. 0 not checked. [2022-07-23 02:37:20,323 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:37:20,323 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [516525047] [2022-07-23 02:37:20,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [516525047] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-23 02:37:20,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 02:37:20,324 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-23 02:37:20,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320333458] [2022-07-23 02:37:20,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:37:20,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:37:20,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:37:20,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:37:20,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:37:20,325 INFO L87 Difference]: Start difference. First operand 11234 states and 15284 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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) [2022-07-23 02:37:20,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:37:20,894 INFO L93 Difference]: Finished difference Result 11240 states and 15289 transitions. [2022-07-23 02:37:20,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 02:37:20,895 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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 174 [2022-07-23 02:37:20,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:37:20,960 INFO L225 Difference]: With dead ends: 11240 [2022-07-23 02:37:20,961 INFO L226 Difference]: Without dead ends: 11238 [2022-07-23 02:37:20,971 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 341 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-23 02:37:20,972 INFO L413 NwaCegarLoop]: 3469 mSDtfsCounter, 3411 mSDsluCounter, 6918 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3421 SdHoareTripleChecker+Valid, 10387 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 02:37:20,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3421 Valid, 10387 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 02:37:20,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11238 states. [2022-07-23 02:37:21,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11238 to 11238. [2022-07-23 02:37:21,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11238 states, 7464 states have (on average 1.237674169346195) internal successors, (9238), 7701 states have internal predecessors, (9238), 3006 states have call successors, (3006), 775 states have call predecessors, (3006), 765 states have return successors, (3043), 2907 states have call predecessors, (3043), 3003 states have call successors, (3043) [2022-07-23 02:37:21,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11238 states to 11238 states and 15287 transitions. [2022-07-23 02:37:21,499 INFO L78 Accepts]: Start accepts. Automaton has 11238 states and 15287 transitions. Word has length 174 [2022-07-23 02:37:21,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:37:21,502 INFO L495 AbstractCegarLoop]: Abstraction has 11238 states and 15287 transitions. [2022-07-23 02:37:21,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 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) [2022-07-23 02:37:21,502 INFO L276 IsEmpty]: Start isEmpty. Operand 11238 states and 15287 transitions. [2022-07-23 02:37:21,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2022-07-23 02:37:21,506 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:37:21,506 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 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] [2022-07-23 02:37:21,545 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-23 02:37:21,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:37:21,720 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 02:37:21,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:37:21,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1207099844, now seen corresponding path program 1 times [2022-07-23 02:37:21,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:37:21,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [738714325] [2022-07-23 02:37:21,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:37:21,722 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:37:21,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:37:21,724 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) [2022-07-23 02:37:21,726 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-23 02:37:23,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:23,105 INFO L263 TraceCheckSpWp]: Trace formula consists of 1433 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:37:23,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:37:23,400 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2022-07-23 02:37:23,400 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:37:23,400 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:37:23,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [738714325] [2022-07-23 02:37:23,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [738714325] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:37:23,401 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:37:23,401 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:37:23,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122372493] [2022-07-23 02:37:23,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:37:23,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:37:23,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:37:23,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:37:23,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:37:23,402 INFO L87 Difference]: Start difference. First operand 11238 states and 15287 transitions. Second operand has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-23 02:37:24,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:37:24,251 INFO L93 Difference]: Finished difference Result 24634 states and 33361 transitions. [2022-07-23 02:37:24,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:37:24,251 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 177 [2022-07-23 02:37:24,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:37:24,319 INFO L225 Difference]: With dead ends: 24634 [2022-07-23 02:37:24,319 INFO L226 Difference]: Without dead ends: 13482 [2022-07-23 02:37:24,367 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 [2022-07-23 02:37:24,368 INFO L413 NwaCegarLoop]: 4573 mSDtfsCounter, 1134 mSDsluCounter, 3403 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1134 SdHoareTripleChecker+Valid, 7976 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-23 02:37:24,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1134 Valid, 7976 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-23 02:37:24,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13482 states. [2022-07-23 02:37:24,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13482 to 13441. [2022-07-23 02:37:24,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13441 states, 8963 states have (on average 1.2309494588865335) internal successors, (11033), 9228 states have internal predecessors, (11033), 3500 states have call successors, (3500), 985 states have call predecessors, (3500), 975 states have return successors, (3537), 3389 states have call predecessors, (3537), 3497 states have call successors, (3537) [2022-07-23 02:37:24,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13441 states to 13441 states and 18070 transitions. [2022-07-23 02:37:24,916 INFO L78 Accepts]: Start accepts. Automaton has 13441 states and 18070 transitions. Word has length 177 [2022-07-23 02:37:24,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:37:24,917 INFO L495 AbstractCegarLoop]: Abstraction has 13441 states and 18070 transitions. [2022-07-23 02:37:24,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.333333333333332) internal successors, (70), 3 states have internal predecessors, (70), 3 states have call successors, (21), 3 states have call predecessors, (21), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-23 02:37:24,918 INFO L276 IsEmpty]: Start isEmpty. Operand 13441 states and 18070 transitions. [2022-07-23 02:37:24,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2022-07-23 02:37:24,920 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:37:24,920 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 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] [2022-07-23 02:37:24,965 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-23 02:37:25,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:37:25,135 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 02:37:25,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:37:25,136 INFO L85 PathProgramCache]: Analyzing trace with hash 111074208, now seen corresponding path program 1 times [2022-07-23 02:37:25,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:37:25,138 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1500104823] [2022-07-23 02:37:25,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:37:25,138 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:37:25,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:37:25,140 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) [2022-07-23 02:37:25,143 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-23 02:37:26,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:26,494 INFO L263 TraceCheckSpWp]: Trace formula consists of 1366 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 02:37:26,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:37:27,909 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2022-07-23 02:37:27,910 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 02:37:28,488 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2022-07-23 02:37:28,489 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:37:28,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1500104823] [2022-07-23 02:37:28,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1500104823] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-23 02:37:28,489 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 02:37:28,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-23 02:37:28,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451925052] [2022-07-23 02:37:28,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:37:28,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:37:28,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:37:28,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:37:28,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:37:28,490 INFO L87 Difference]: Start difference. First operand 13441 states and 18070 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-23 02:37:29,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:37:29,052 INFO L93 Difference]: Finished difference Result 13447 states and 18075 transitions. [2022-07-23 02:37:29,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 02:37:29,053 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 179 [2022-07-23 02:37:29,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:37:29,128 INFO L225 Difference]: With dead ends: 13447 [2022-07-23 02:37:29,128 INFO L226 Difference]: Without dead ends: 13445 [2022-07-23 02:37:29,139 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 351 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-23 02:37:29,140 INFO L413 NwaCegarLoop]: 3469 mSDtfsCounter, 3411 mSDsluCounter, 6918 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3420 SdHoareTripleChecker+Valid, 10387 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 02:37:29,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3420 Valid, 10387 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 02:37:29,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13445 states. [2022-07-23 02:37:29,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13445 to 13445. [2022-07-23 02:37:29,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13445 states, 8966 states have (on average 1.2308721838054875) internal successors, (11036), 9231 states have internal predecessors, (11036), 3500 states have call successors, (3500), 986 states have call predecessors, (3500), 976 states have return successors, (3537), 3389 states have call predecessors, (3537), 3497 states have call successors, (3537) [2022-07-23 02:37:29,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13445 states to 13445 states and 18073 transitions. [2022-07-23 02:37:29,750 INFO L78 Accepts]: Start accepts. Automaton has 13445 states and 18073 transitions. Word has length 179 [2022-07-23 02:37:29,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:37:29,751 INFO L495 AbstractCegarLoop]: Abstraction has 13445 states and 18073 transitions. [2022-07-23 02:37:29,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (22), 3 states have call predecessors, (22), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-23 02:37:29,751 INFO L276 IsEmpty]: Start isEmpty. Operand 13445 states and 18073 transitions. [2022-07-23 02:37:29,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2022-07-23 02:37:29,755 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:37:29,755 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 5, 4, 4, 4, 4, 4, 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] [2022-07-23 02:37:29,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-23 02:37:29,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:37:29,972 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 02:37:29,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:37:29,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1283809074, now seen corresponding path program 1 times [2022-07-23 02:37:29,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:37:29,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [585028079] [2022-07-23 02:37:29,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:37:29,974 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:37:29,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:37:29,976 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) [2022-07-23 02:37:29,979 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-23 02:37:31,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:31,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 1373 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 02:37:31,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:37:32,588 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2022-07-23 02:37:32,589 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 02:37:33,244 INFO L134 CoverageAnalysis]: Checked inductivity of 428 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2022-07-23 02:37:33,245 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:37:33,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [585028079] [2022-07-23 02:37:33,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [585028079] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-23 02:37:33,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 02:37:33,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-23 02:37:33,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681034378] [2022-07-23 02:37:33,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:37:33,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:37:33,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:37:33,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:37:33,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:37:33,248 INFO L87 Difference]: Start difference. First operand 13445 states and 18073 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-23 02:37:33,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:37:33,808 INFO L93 Difference]: Finished difference Result 13781 states and 18375 transitions. [2022-07-23 02:37:33,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 02:37:33,809 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 184 [2022-07-23 02:37:33,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:37:33,883 INFO L225 Difference]: With dead ends: 13781 [2022-07-23 02:37:33,884 INFO L226 Difference]: Without dead ends: 13779 [2022-07-23 02:37:33,896 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 361 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-23 02:37:33,897 INFO L413 NwaCegarLoop]: 3498 mSDtfsCounter, 2069 mSDsluCounter, 8360 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2077 SdHoareTripleChecker+Valid, 11858 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 02:37:33,897 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2077 Valid, 11858 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 02:37:33,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13779 states. [2022-07-23 02:37:34,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13779 to 13777. [2022-07-23 02:37:34,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13777 states, 9179 states have (on average 1.2270399825689073) internal successors, (11263), 9452 states have internal predecessors, (11263), 3536 states have call successors, (3536), 1069 states have call predecessors, (3536), 1059 states have return successors, (3573), 3425 states have call predecessors, (3573), 3533 states have call successors, (3573) [2022-07-23 02:37:34,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13777 states to 13777 states and 18372 transitions. [2022-07-23 02:37:34,487 INFO L78 Accepts]: Start accepts. Automaton has 13777 states and 18372 transitions. Word has length 184 [2022-07-23 02:37:34,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:37:34,488 INFO L495 AbstractCegarLoop]: Abstraction has 13777 states and 18372 transitions. [2022-07-23 02:37:34,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-23 02:37:34,489 INFO L276 IsEmpty]: Start isEmpty. Operand 13777 states and 18372 transitions. [2022-07-23 02:37:34,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-07-23 02:37:34,492 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:37:34,492 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 6, 5, 5, 4, 4, 4, 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] [2022-07-23 02:37:34,534 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-23 02:37:34,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:37:34,708 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 02:37:34,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:37:34,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1249468064, now seen corresponding path program 1 times [2022-07-23 02:37:34,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:37:34,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2119485248] [2022-07-23 02:37:34,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:37:34,710 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:37:34,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:37:34,712 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) [2022-07-23 02:37:34,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-23 02:37:35,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:35,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 1380 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 02:37:35,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:37:37,385 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2022-07-23 02:37:37,386 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 02:37:37,982 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2022-07-23 02:37:37,982 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:37:37,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2119485248] [2022-07-23 02:37:37,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2119485248] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-23 02:37:37,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 02:37:37,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-23 02:37:37,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894445571] [2022-07-23 02:37:37,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:37:37,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:37:37,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:37:37,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:37:37,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:37:37,985 INFO L87 Difference]: Start difference. First operand 13777 states and 18372 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-23 02:37:38,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:37:38,519 INFO L93 Difference]: Finished difference Result 13783 states and 18377 transitions. [2022-07-23 02:37:38,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 02:37:38,520 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 189 [2022-07-23 02:37:38,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:37:38,589 INFO L225 Difference]: With dead ends: 13783 [2022-07-23 02:37:38,589 INFO L226 Difference]: Without dead ends: 13781 [2022-07-23 02:37:38,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 371 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-23 02:37:38,605 INFO L413 NwaCegarLoop]: 3469 mSDtfsCounter, 3411 mSDsluCounter, 6918 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3418 SdHoareTripleChecker+Valid, 10387 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 02:37:38,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3418 Valid, 10387 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 02:37:38,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13781 states. [2022-07-23 02:37:39,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13781 to 13781. [2022-07-23 02:37:39,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13781 states, 9182 states have (on average 1.226965802657373) internal successors, (11266), 9455 states have internal predecessors, (11266), 3536 states have call successors, (3536), 1070 states have call predecessors, (3536), 1060 states have return successors, (3573), 3425 states have call predecessors, (3573), 3533 states have call successors, (3573) [2022-07-23 02:37:39,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13781 states to 13781 states and 18375 transitions. [2022-07-23 02:37:39,177 INFO L78 Accepts]: Start accepts. Automaton has 13781 states and 18375 transitions. Word has length 189 [2022-07-23 02:37:39,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:37:39,178 INFO L495 AbstractCegarLoop]: Abstraction has 13781 states and 18375 transitions. [2022-07-23 02:37:39,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (24), 3 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-23 02:37:39,179 INFO L276 IsEmpty]: Start isEmpty. Operand 13781 states and 18375 transitions. [2022-07-23 02:37:39,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-07-23 02:37:39,181 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:37:39,181 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 7, 6, 6, 4, 4, 4, 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] [2022-07-23 02:37:39,219 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Ended with exit code 0 [2022-07-23 02:37:39,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:37:39,396 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 02:37:39,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:37:39,396 INFO L85 PathProgramCache]: Analyzing trace with hash -335615054, now seen corresponding path program 1 times [2022-07-23 02:37:39,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:37:39,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [574265540] [2022-07-23 02:37:39,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:37:39,398 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:37:39,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:37:39,399 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) [2022-07-23 02:37:39,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-07-23 02:37:40,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:40,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 1387 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 02:37:40,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:37:42,035 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 456 trivial. 0 not checked. [2022-07-23 02:37:42,035 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 02:37:42,659 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 456 trivial. 0 not checked. [2022-07-23 02:37:42,660 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:37:42,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [574265540] [2022-07-23 02:37:42,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [574265540] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-23 02:37:42,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 02:37:42,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-23 02:37:42,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085456236] [2022-07-23 02:37:42,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:37:42,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:37:42,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:37:42,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:37:42,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:37:42,662 INFO L87 Difference]: Start difference. First operand 13781 states and 18375 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-23 02:37:43,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:37:43,228 INFO L93 Difference]: Finished difference Result 13787 states and 18380 transitions. [2022-07-23 02:37:43,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 02:37:43,229 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 194 [2022-07-23 02:37:43,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:37:43,299 INFO L225 Difference]: With dead ends: 13787 [2022-07-23 02:37:43,299 INFO L226 Difference]: Without dead ends: 13785 [2022-07-23 02:37:43,314 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 389 GetRequests, 381 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-23 02:37:43,315 INFO L413 NwaCegarLoop]: 3469 mSDtfsCounter, 3411 mSDsluCounter, 6918 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3417 SdHoareTripleChecker+Valid, 10387 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 02:37:43,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3417 Valid, 10387 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 02:37:43,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13785 states. [2022-07-23 02:37:43,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13785 to 13785. [2022-07-23 02:37:43,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13785 states, 9185 states have (on average 1.2268916712030484) internal successors, (11269), 9458 states have internal predecessors, (11269), 3536 states have call successors, (3536), 1071 states have call predecessors, (3536), 1061 states have return successors, (3573), 3425 states have call predecessors, (3573), 3533 states have call successors, (3573) [2022-07-23 02:37:43,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13785 states to 13785 states and 18378 transitions. [2022-07-23 02:37:43,919 INFO L78 Accepts]: Start accepts. Automaton has 13785 states and 18378 transitions. Word has length 194 [2022-07-23 02:37:43,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:37:43,919 INFO L495 AbstractCegarLoop]: Abstraction has 13785 states and 18378 transitions. [2022-07-23 02:37:43,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-23 02:37:43,919 INFO L276 IsEmpty]: Start isEmpty. Operand 13785 states and 18378 transitions. [2022-07-23 02:37:43,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-07-23 02:37:43,922 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:37:43,922 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 8, 8, 8, 8, 8, 8, 7, 7, 4, 4, 4, 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] [2022-07-23 02:37:43,960 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-07-23 02:37:44,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:37:44,143 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 02:37:44,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:37:44,144 INFO L85 PathProgramCache]: Analyzing trace with hash 800969120, now seen corresponding path program 1 times [2022-07-23 02:37:44,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:37:44,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1118790503] [2022-07-23 02:37:44,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:37:44,145 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:37:44,145 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:37:44,147 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:37:44,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-07-23 02:37:45,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:45,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 1394 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 02:37:45,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:37:46,780 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2022-07-23 02:37:46,780 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 02:37:47,407 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2022-07-23 02:37:47,407 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:37:47,407 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1118790503] [2022-07-23 02:37:47,407 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1118790503] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-23 02:37:47,407 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 02:37:47,407 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-23 02:37:47,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730322212] [2022-07-23 02:37:47,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:37:47,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:37:47,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:37:47,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:37:47,409 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:37:47,409 INFO L87 Difference]: Start difference. First operand 13785 states and 18378 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-23 02:37:47,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:37:47,973 INFO L93 Difference]: Finished difference Result 13791 states and 18383 transitions. [2022-07-23 02:37:47,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 02:37:47,974 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 199 [2022-07-23 02:37:47,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:37:48,033 INFO L225 Difference]: With dead ends: 13791 [2022-07-23 02:37:48,033 INFO L226 Difference]: Without dead ends: 13789 [2022-07-23 02:37:48,044 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 391 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-23 02:37:48,045 INFO L413 NwaCegarLoop]: 3469 mSDtfsCounter, 3411 mSDsluCounter, 6918 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3416 SdHoareTripleChecker+Valid, 10387 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 02:37:48,047 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3416 Valid, 10387 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 02:37:48,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13789 states. [2022-07-23 02:37:48,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13789 to 13789. [2022-07-23 02:37:48,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13789 states, 9188 states have (on average 1.2268175881584675) internal successors, (11272), 9461 states have internal predecessors, (11272), 3536 states have call successors, (3536), 1072 states have call predecessors, (3536), 1062 states have return successors, (3573), 3425 states have call predecessors, (3573), 3533 states have call successors, (3573) [2022-07-23 02:37:48,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13789 states to 13789 states and 18381 transitions. [2022-07-23 02:37:48,590 INFO L78 Accepts]: Start accepts. Automaton has 13789 states and 18381 transitions. Word has length 199 [2022-07-23 02:37:48,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:37:48,591 INFO L495 AbstractCegarLoop]: Abstraction has 13789 states and 18381 transitions. [2022-07-23 02:37:48,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (26), 3 states have call predecessors, (26), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-23 02:37:48,591 INFO L276 IsEmpty]: Start isEmpty. Operand 13789 states and 18381 transitions. [2022-07-23 02:37:48,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-07-23 02:37:48,597 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:37:48,597 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 9, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:37:48,628 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-07-23 02:37:48,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:37:48,824 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 02:37:48,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:37:48,824 INFO L85 PathProgramCache]: Analyzing trace with hash -576729363, now seen corresponding path program 1 times [2022-07-23 02:37:48,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:37:48,825 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1125398711] [2022-07-23 02:37:48,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:37:48,826 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:37:48,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:37:48,827 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:37:48,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-07-23 02:37:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:50,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 1450 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:37:50,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:37:50,125 INFO L134 CoverageAnalysis]: Checked inductivity of 559 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 485 trivial. 0 not checked. [2022-07-23 02:37:50,125 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:37:50,125 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:37:50,125 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1125398711] [2022-07-23 02:37:50,125 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1125398711] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:37:50,125 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:37:50,126 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:37:50,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340856758] [2022-07-23 02:37:50,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:37:50,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:37:50,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:37:50,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:37:50,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:37:50,127 INFO L87 Difference]: Start difference. First operand 13789 states and 18381 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-23 02:37:50,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:37:50,958 INFO L93 Difference]: Finished difference Result 40694 states and 54292 transitions. [2022-07-23 02:37:50,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:37:50,959 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 222 [2022-07-23 02:37:50,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:37:51,138 INFO L225 Difference]: With dead ends: 40694 [2022-07-23 02:37:51,139 INFO L226 Difference]: Without dead ends: 26991 [2022-07-23 02:37:51,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:37:51,228 INFO L413 NwaCegarLoop]: 6813 mSDtfsCounter, 3379 mSDsluCounter, 3456 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3379 SdHoareTripleChecker+Valid, 10269 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-23 02:37:51,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3379 Valid, 10269 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-23 02:37:51,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26991 states. [2022-07-23 02:37:52,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26991 to 26936. [2022-07-23 02:37:52,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26936 states, 17956 states have (on average 1.2282802405881041) internal successors, (22055), 18468 states have internal predecessors, (22055), 6901 states have call successors, (6901), 2095 states have call predecessors, (6901), 2076 states have return successors, (6978), 6712 states have call predecessors, (6978), 6898 states have call successors, (6978) [2022-07-23 02:37:52,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26936 states to 26936 states and 35934 transitions. [2022-07-23 02:37:52,581 INFO L78 Accepts]: Start accepts. Automaton has 26936 states and 35934 transitions. Word has length 222 [2022-07-23 02:37:52,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:37:52,582 INFO L495 AbstractCegarLoop]: Abstraction has 26936 states and 35934 transitions. [2022-07-23 02:37:52,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-07-23 02:37:52,583 INFO L276 IsEmpty]: Start isEmpty. Operand 26936 states and 35934 transitions. [2022-07-23 02:37:52,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-07-23 02:37:52,585 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:37:52,586 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 9, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 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] [2022-07-23 02:37:52,612 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (15)] Ended with exit code 0 [2022-07-23 02:37:52,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:37:52,790 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 02:37:52,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:37:52,790 INFO L85 PathProgramCache]: Analyzing trace with hash -289109966, now seen corresponding path program 1 times [2022-07-23 02:37:52,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:37:52,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [593487972] [2022-07-23 02:37:52,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:37:52,792 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:37:52,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:37:52,793 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:37:52,795 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-07-23 02:37:53,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:53,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 1401 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 02:37:53,853 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:37:55,360 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2022-07-23 02:37:55,361 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 02:37:56,003 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 508 trivial. 0 not checked. [2022-07-23 02:37:56,003 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:37:56,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [593487972] [2022-07-23 02:37:56,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [593487972] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-23 02:37:56,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 02:37:56,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-23 02:37:56,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150998163] [2022-07-23 02:37:56,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:37:56,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:37:56,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:37:56,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:37:56,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:37:56,006 INFO L87 Difference]: Start difference. First operand 26936 states and 35934 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-23 02:37:57,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:37:57,013 INFO L93 Difference]: Finished difference Result 26942 states and 35939 transitions. [2022-07-23 02:37:57,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 02:37:57,015 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 204 [2022-07-23 02:37:57,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:37:57,129 INFO L225 Difference]: With dead ends: 26942 [2022-07-23 02:37:57,129 INFO L226 Difference]: Without dead ends: 26940 [2022-07-23 02:37:57,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 409 GetRequests, 401 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-23 02:37:57,145 INFO L413 NwaCegarLoop]: 3469 mSDtfsCounter, 3411 mSDsluCounter, 6918 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3415 SdHoareTripleChecker+Valid, 10387 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 02:37:57,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3415 Valid, 10387 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 02:37:57,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26940 states. [2022-07-23 02:37:58,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26940 to 26940. [2022-07-23 02:37:58,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26940 states, 17959 states have (on average 1.228242107021549) internal successors, (22058), 18471 states have internal predecessors, (22058), 6901 states have call successors, (6901), 2096 states have call predecessors, (6901), 2077 states have return successors, (6978), 6712 states have call predecessors, (6978), 6898 states have call successors, (6978) [2022-07-23 02:37:58,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26940 states to 26940 states and 35937 transitions. [2022-07-23 02:37:58,389 INFO L78 Accepts]: Start accepts. Automaton has 26940 states and 35937 transitions. Word has length 204 [2022-07-23 02:37:58,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:37:58,389 INFO L495 AbstractCegarLoop]: Abstraction has 26940 states and 35937 transitions. [2022-07-23 02:37:58,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (27), 3 states have call predecessors, (27), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-23 02:37:58,390 INFO L276 IsEmpty]: Start isEmpty. Operand 26940 states and 35937 transitions. [2022-07-23 02:37:58,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2022-07-23 02:37:58,392 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:37:58,392 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 10, 9, 9, 8, 8, 8, 8, 8, 8, 4, 4, 4, 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] [2022-07-23 02:37:58,417 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (16)] Ended with exit code 0 [2022-07-23 02:37:58,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:37:58,593 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 02:37:58,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:37:58,593 INFO L85 PathProgramCache]: Analyzing trace with hash 784348320, now seen corresponding path program 1 times [2022-07-23 02:37:58,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:37:58,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1187524070] [2022-07-23 02:37:58,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:37:58,595 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:37:58,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:37:58,596 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:37:58,597 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-07-23 02:37:59,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:37:59,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 1408 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 02:37:59,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:38:01,263 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2022-07-23 02:38:01,263 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 02:38:01,943 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2022-07-23 02:38:01,943 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:38:01,944 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1187524070] [2022-07-23 02:38:01,944 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1187524070] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-23 02:38:01,944 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 02:38:01,944 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-23 02:38:01,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985110141] [2022-07-23 02:38:01,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:38:01,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:38:01,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:38:01,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:38:01,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:38:01,945 INFO L87 Difference]: Start difference. First operand 26940 states and 35937 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-23 02:38:03,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:38:03,052 INFO L93 Difference]: Finished difference Result 26946 states and 35942 transitions. [2022-07-23 02:38:03,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 02:38:03,053 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 209 [2022-07-23 02:38:03,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:38:03,164 INFO L225 Difference]: With dead ends: 26946 [2022-07-23 02:38:03,164 INFO L226 Difference]: Without dead ends: 26944 [2022-07-23 02:38:03,184 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 411 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-23 02:38:03,185 INFO L413 NwaCegarLoop]: 3469 mSDtfsCounter, 3411 mSDsluCounter, 6918 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3414 SdHoareTripleChecker+Valid, 10387 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 02:38:03,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3414 Valid, 10387 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 02:38:03,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26944 states. [2022-07-23 02:38:04,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26944 to 26944. [2022-07-23 02:38:04,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26944 states, 17962 states have (on average 1.2282039861930742) internal successors, (22061), 18474 states have internal predecessors, (22061), 6901 states have call successors, (6901), 2097 states have call predecessors, (6901), 2078 states have return successors, (6978), 6712 states have call predecessors, (6978), 6898 states have call successors, (6978) [2022-07-23 02:38:04,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26944 states to 26944 states and 35940 transitions. [2022-07-23 02:38:04,307 INFO L78 Accepts]: Start accepts. Automaton has 26944 states and 35940 transitions. Word has length 209 [2022-07-23 02:38:04,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:38:04,307 INFO L495 AbstractCegarLoop]: Abstraction has 26944 states and 35940 transitions. [2022-07-23 02:38:04,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (28), 3 states have call predecessors, (28), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-23 02:38:04,308 INFO L276 IsEmpty]: Start isEmpty. Operand 26944 states and 35940 transitions. [2022-07-23 02:38:04,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-07-23 02:38:04,310 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:38:04,310 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 11, 10, 10, 8, 8, 8, 8, 8, 8, 4, 4, 4, 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] [2022-07-23 02:38:04,334 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2022-07-23 02:38:04,511 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:38:04,511 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 02:38:04,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:38:04,512 INFO L85 PathProgramCache]: Analyzing trace with hash -251513678, now seen corresponding path program 1 times [2022-07-23 02:38:04,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:38:04,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1508970767] [2022-07-23 02:38:04,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:38:04,513 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:38:04,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:38:04,514 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:38:04,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2022-07-23 02:38:05,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:05,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 1415 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 02:38:05,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:38:07,111 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2022-07-23 02:38:07,111 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 02:38:07,756 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2022-07-23 02:38:07,756 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:38:07,756 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1508970767] [2022-07-23 02:38:07,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1508970767] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-23 02:38:07,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 02:38:07,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-23 02:38:07,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563362292] [2022-07-23 02:38:07,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:38:07,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:38:07,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:38:07,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:38:07,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:38:07,758 INFO L87 Difference]: Start difference. First operand 26944 states and 35940 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-23 02:38:08,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:38:08,768 INFO L93 Difference]: Finished difference Result 26950 states and 35945 transitions. [2022-07-23 02:38:08,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 02:38:08,768 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 214 [2022-07-23 02:38:08,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:38:08,884 INFO L225 Difference]: With dead ends: 26950 [2022-07-23 02:38:08,884 INFO L226 Difference]: Without dead ends: 26948 [2022-07-23 02:38:08,901 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 429 GetRequests, 421 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-23 02:38:08,902 INFO L413 NwaCegarLoop]: 3469 mSDtfsCounter, 3411 mSDsluCounter, 6918 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3413 SdHoareTripleChecker+Valid, 10387 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 02:38:08,903 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3413 Valid, 10387 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 02:38:08,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26948 states. [2022-07-23 02:38:09,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26948 to 26948. [2022-07-23 02:38:10,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26948 states, 17965 states have (on average 1.2281658780962983) internal successors, (22064), 18477 states have internal predecessors, (22064), 6901 states have call successors, (6901), 2098 states have call predecessors, (6901), 2079 states have return successors, (6978), 6712 states have call predecessors, (6978), 6898 states have call successors, (6978) [2022-07-23 02:38:10,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26948 states to 26948 states and 35943 transitions. [2022-07-23 02:38:10,121 INFO L78 Accepts]: Start accepts. Automaton has 26948 states and 35943 transitions. Word has length 214 [2022-07-23 02:38:10,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:38:10,121 INFO L495 AbstractCegarLoop]: Abstraction has 26948 states and 35943 transitions. [2022-07-23 02:38:10,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (29), 3 states have call predecessors, (29), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-23 02:38:10,122 INFO L276 IsEmpty]: Start isEmpty. Operand 26948 states and 35943 transitions. [2022-07-23 02:38:10,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2022-07-23 02:38:10,124 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:38:10,124 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 11, 11, 8, 8, 8, 8, 8, 8, 4, 4, 4, 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] [2022-07-23 02:38:10,146 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (18)] Ended with exit code 0 [2022-07-23 02:38:10,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:38:10,326 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 02:38:10,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:38:10,326 INFO L85 PathProgramCache]: Analyzing trace with hash 1725204384, now seen corresponding path program 1 times [2022-07-23 02:38:10,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:38:10,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [516420369] [2022-07-23 02:38:10,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:38:10,328 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:38:10,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:38:10,329 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:38:10,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2022-07-23 02:38:11,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:11,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 1422 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 02:38:11,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:38:13,006 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2022-07-23 02:38:13,007 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 02:38:13,647 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2022-07-23 02:38:13,647 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:38:13,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [516420369] [2022-07-23 02:38:13,647 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [516420369] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-23 02:38:13,647 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 02:38:13,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-23 02:38:13,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704505653] [2022-07-23 02:38:13,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:38:13,648 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:38:13,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:38:13,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:38:13,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:38:13,649 INFO L87 Difference]: Start difference. First operand 26948 states and 35943 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-23 02:38:14,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:38:14,816 INFO L93 Difference]: Finished difference Result 26954 states and 35948 transitions. [2022-07-23 02:38:14,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 02:38:14,817 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 219 [2022-07-23 02:38:14,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:38:14,939 INFO L225 Difference]: With dead ends: 26954 [2022-07-23 02:38:14,939 INFO L226 Difference]: Without dead ends: 26950 [2022-07-23 02:38:14,959 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 439 GetRequests, 431 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-23 02:38:14,959 INFO L413 NwaCegarLoop]: 3469 mSDtfsCounter, 3411 mSDsluCounter, 6918 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3412 SdHoareTripleChecker+Valid, 10387 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 02:38:14,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3412 Valid, 10387 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 02:38:14,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26950 states. [2022-07-23 02:38:16,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26950 to 26950. [2022-07-23 02:38:16,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26950 states, 17967 states have (on average 1.2280848221739857) internal successors, (22065), 18478 states have internal predecessors, (22065), 6901 states have call successors, (6901), 2099 states have call predecessors, (6901), 2079 states have return successors, (6978), 6712 states have call predecessors, (6978), 6898 states have call successors, (6978) [2022-07-23 02:38:16,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26950 states to 26950 states and 35944 transitions. [2022-07-23 02:38:16,180 INFO L78 Accepts]: Start accepts. Automaton has 26950 states and 35944 transitions. Word has length 219 [2022-07-23 02:38:16,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:38:16,181 INFO L495 AbstractCegarLoop]: Abstraction has 26950 states and 35944 transitions. [2022-07-23 02:38:16,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (30), 3 states have call predecessors, (30), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-23 02:38:16,181 INFO L276 IsEmpty]: Start isEmpty. Operand 26950 states and 35944 transitions. [2022-07-23 02:38:16,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-07-23 02:38:16,183 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:38:16,183 INFO L195 NwaCegarLoop]: trace histogram [13, 12, 12, 12, 12, 8, 8, 8, 8, 8, 8, 6, 6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:38:16,205 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (19)] Forceful destruction successful, exit code 0 [2022-07-23 02:38:16,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:38:16,384 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 02:38:16,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:38:16,385 INFO L85 PathProgramCache]: Analyzing trace with hash 78060779, now seen corresponding path program 1 times [2022-07-23 02:38:16,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:38:16,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1815720664] [2022-07-23 02:38:16,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:38:16,386 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:38:16,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:38:16,387 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:38:16,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2022-07-23 02:38:17,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:17,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 1478 conjuncts, 23 conjunts are in the unsatisfiable core [2022-07-23 02:38:17,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:38:18,823 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 112 proven. 3 refuted. 0 times theorem prover too weak. 604 trivial. 0 not checked. [2022-07-23 02:38:18,823 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 02:38:20,352 INFO L134 CoverageAnalysis]: Checked inductivity of 719 backedges. 38 proven. 18 refuted. 0 times theorem prover too weak. 663 trivial. 0 not checked. [2022-07-23 02:38:20,353 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:38:20,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1815720664] [2022-07-23 02:38:20,353 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1815720664] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 02:38:20,353 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-07-23 02:38:20,353 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 22 [2022-07-23 02:38:20,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845196893] [2022-07-23 02:38:20,354 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-07-23 02:38:20,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-07-23 02:38:20,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:38:20,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-07-23 02:38:20,355 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2022-07-23 02:38:20,356 INFO L87 Difference]: Start difference. First operand 26950 states and 35944 transitions. Second operand has 22 states, 21 states have (on average 4.0476190476190474) internal successors, (85), 20 states have internal predecessors, (85), 6 states have call successors, (52), 3 states have call predecessors, (52), 8 states have return successors, (51), 7 states have call predecessors, (51), 6 states have call successors, (51) [2022-07-23 02:38:51,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:38:51,222 INFO L93 Difference]: Finished difference Result 53929 states and 71869 transitions. [2022-07-23 02:38:51,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2022-07-23 02:38:51,222 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 4.0476190476190474) internal successors, (85), 20 states have internal predecessors, (85), 6 states have call successors, (52), 3 states have call predecessors, (52), 8 states have return successors, (51), 7 states have call predecessors, (51), 6 states have call successors, (51) Word has length 242 [2022-07-23 02:38:51,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:38:51,433 INFO L225 Difference]: With dead ends: 53929 [2022-07-23 02:38:51,433 INFO L226 Difference]: Without dead ends: 53744 [2022-07-23 02:38:51,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 508 GetRequests, 465 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 330 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=287, Invalid=1693, Unknown=0, NotChecked=0, Total=1980 [2022-07-23 02:38:51,461 INFO L413 NwaCegarLoop]: 6575 mSDtfsCounter, 7740 mSDsluCounter, 82221 mSDsCounter, 0 mSdLazyCounter, 5344 mSolverCounterSat, 1728 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7778 SdHoareTripleChecker+Valid, 88796 SdHoareTripleChecker+Invalid, 7072 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.4s SdHoareTripleChecker+Time, 1728 IncrementalHoareTripleChecker+Valid, 5344 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.6s IncrementalHoareTripleChecker+Time [2022-07-23 02:38:51,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7778 Valid, 88796 Invalid, 7072 Unknown, 0 Unchecked, 0.4s Time], IncrementalHoareTripleChecker [1728 Valid, 5344 Invalid, 0 Unknown, 0 Unchecked, 25.6s Time] [2022-07-23 02:38:51,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53744 states. [2022-07-23 02:38:53,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53744 to 40369. [2022-07-23 02:38:53,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40369 states, 26908 states have (on average 1.2286680541103017) internal successors, (33061), 27682 states have internal predecessors, (33061), 10338 states have call successors, (10338), 3149 states have call predecessors, (10338), 3120 states have return successors, (10455), 10047 states have call predecessors, (10455), 10335 states have call successors, (10455) [2022-07-23 02:38:53,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40369 states to 40369 states and 53854 transitions. [2022-07-23 02:38:53,834 INFO L78 Accepts]: Start accepts. Automaton has 40369 states and 53854 transitions. Word has length 242 [2022-07-23 02:38:53,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:38:53,834 INFO L495 AbstractCegarLoop]: Abstraction has 40369 states and 53854 transitions. [2022-07-23 02:38:53,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 4.0476190476190474) internal successors, (85), 20 states have internal predecessors, (85), 6 states have call successors, (52), 3 states have call predecessors, (52), 8 states have return successors, (51), 7 states have call predecessors, (51), 6 states have call successors, (51) [2022-07-23 02:38:53,835 INFO L276 IsEmpty]: Start isEmpty. Operand 40369 states and 53854 transitions. [2022-07-23 02:38:53,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-07-23 02:38:53,838 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:38:53,838 INFO L195 NwaCegarLoop]: trace histogram [13, 12, 12, 12, 12, 8, 8, 8, 8, 8, 8, 4, 4, 4, 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] [2022-07-23 02:38:53,872 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (20)] Ended with exit code 0 [2022-07-23 02:38:54,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:38:54,063 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 02:38:54,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:38:54,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1206120754, now seen corresponding path program 1 times [2022-07-23 02:38:54,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:38:54,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1315134286] [2022-07-23 02:38:54,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:38:54,065 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:38:54,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:38:54,066 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:38:54,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2022-07-23 02:38:55,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:38:55,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 1429 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-23 02:38:55,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:38:56,872 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2022-07-23 02:38:56,872 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 02:38:57,516 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 660 trivial. 0 not checked. [2022-07-23 02:38:57,517 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:38:57,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1315134286] [2022-07-23 02:38:57,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1315134286] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-23 02:38:57,517 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 02:38:57,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-23 02:38:57,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269755650] [2022-07-23 02:38:57,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:38:57,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 02:38:57,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:38:57,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 02:38:57,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-23 02:38:57,518 INFO L87 Difference]: Start difference. First operand 40369 states and 53854 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-23 02:38:59,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:38:59,370 INFO L93 Difference]: Finished difference Result 40369 states and 53854 transitions. [2022-07-23 02:38:59,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 02:38:59,371 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 224 [2022-07-23 02:38:59,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:38:59,514 INFO L225 Difference]: With dead ends: 40369 [2022-07-23 02:38:59,514 INFO L226 Difference]: Without dead ends: 40104 [2022-07-23 02:38:59,537 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 449 GetRequests, 441 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-23 02:38:59,537 INFO L413 NwaCegarLoop]: 3467 mSDtfsCounter, 3407 mSDsluCounter, 6917 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3407 SdHoareTripleChecker+Valid, 10384 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 02:38:59,537 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3407 Valid, 10384 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 02:38:59,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40104 states. [2022-07-23 02:39:01,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40104 to 40104. [2022-07-23 02:39:01,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40104 states, 26733 states have (on average 1.2278083267871172) internal successors, (32823), 27483 states have internal predecessors, (32823), 10267 states have call successors, (10267), 3129 states have call predecessors, (10267), 3102 states have return successors, (10387), 10001 states have call predecessors, (10387), 10267 states have call successors, (10387) [2022-07-23 02:39:01,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40104 states to 40104 states and 53477 transitions. [2022-07-23 02:39:01,576 INFO L78 Accepts]: Start accepts. Automaton has 40104 states and 53477 transitions. Word has length 224 [2022-07-23 02:39:01,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:39:01,576 INFO L495 AbstractCegarLoop]: Abstraction has 40104 states and 53477 transitions. [2022-07-23 02:39:01,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (31), 3 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2022-07-23 02:39:01,576 INFO L276 IsEmpty]: Start isEmpty. Operand 40104 states and 53477 transitions. [2022-07-23 02:39:01,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-07-23 02:39:01,580 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:39:01,580 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:39:01,617 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2022-07-23 02:39:01,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:39:01,799 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 02:39:01,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:39:01,800 INFO L85 PathProgramCache]: Analyzing trace with hash -10417404, now seen corresponding path program 1 times [2022-07-23 02:39:01,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:39:01,801 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2110450678] [2022-07-23 02:39:01,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:39:01,802 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:39:01,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:39:01,803 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:39:01,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2022-07-23 02:39:03,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:03,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 1573 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:39:03,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:39:03,302 INFO L134 CoverageAnalysis]: Checked inductivity of 580 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2022-07-23 02:39:03,302 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:39:03,303 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:39:03,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2110450678] [2022-07-23 02:39:03,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2110450678] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:39:03,303 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:39:03,303 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:39:03,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286568177] [2022-07-23 02:39:03,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:39:03,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:39:03,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:39:03,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:39:03,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:39:03,304 INFO L87 Difference]: Start difference. First operand 40104 states and 53477 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, (27), 3 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-23 02:39:05,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:39:05,882 INFO L93 Difference]: Finished difference Result 86506 states and 114955 transitions. [2022-07-23 02:39:05,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:39:05,882 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, (27), 3 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 251 [2022-07-23 02:39:05,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:39:06,126 INFO L225 Difference]: With dead ends: 86506 [2022-07-23 02:39:06,127 INFO L226 Difference]: Without dead ends: 46421 [2022-07-23 02:39:06,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:39:06,294 INFO L413 NwaCegarLoop]: 4499 mSDtfsCounter, 1093 mSDsluCounter, 3360 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1093 SdHoareTripleChecker+Valid, 7859 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-23 02:39:06,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1093 Valid, 7859 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-23 02:39:06,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46421 states. [2022-07-23 02:39:08,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46421 to 46413. [2022-07-23 02:39:08,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46413 states, 31031 states have (on average 1.2233250620347396) internal successors, (37961), 31847 states have internal predecessors, (37961), 11639 states have call successors, (11639), 3768 states have call predecessors, (11639), 3741 states have return successors, (11759), 11361 states have call predecessors, (11759), 11639 states have call successors, (11759) [2022-07-23 02:39:09,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46413 states to 46413 states and 61359 transitions. [2022-07-23 02:39:09,095 INFO L78 Accepts]: Start accepts. Automaton has 46413 states and 61359 transitions. Word has length 251 [2022-07-23 02:39:09,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:39:09,096 INFO L495 AbstractCegarLoop]: Abstraction has 46413 states and 61359 transitions. [2022-07-23 02:39:09,096 INFO L496 AbstractCegarLoop]: INTERPOLANT 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, (27), 3 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-23 02:39:09,096 INFO L276 IsEmpty]: Start isEmpty. Operand 46413 states and 61359 transitions. [2022-07-23 02:39:09,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2022-07-23 02:39:09,100 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:39:09,100 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:39:09,139 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2022-07-23 02:39:09,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:39:09,315 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 02:39:09,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:39:09,316 INFO L85 PathProgramCache]: Analyzing trace with hash 51622210, now seen corresponding path program 1 times [2022-07-23 02:39:09,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:39:09,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1921281504] [2022-07-23 02:39:09,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:39:09,317 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:39:09,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:39:09,318 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:39:09,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2022-07-23 02:39:10,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:10,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 1573 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:39:10,476 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:39:10,599 INFO L134 CoverageAnalysis]: Checked inductivity of 580 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 528 trivial. 0 not checked. [2022-07-23 02:39:10,599 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:39:10,599 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:39:10,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1921281504] [2022-07-23 02:39:10,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1921281504] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:39:10,599 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:39:10,599 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:39:10,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016551738] [2022-07-23 02:39:10,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:39:10,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:39:10,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:39:10,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:39:10,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:39:10,601 INFO L87 Difference]: Start difference. First operand 46413 states and 61359 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, (27), 3 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-23 02:39:14,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:39:14,394 INFO L93 Difference]: Finished difference Result 109648 states and 145256 transitions. [2022-07-23 02:39:14,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:39:14,394 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, (27), 3 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 251 [2022-07-23 02:39:14,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:39:14,732 INFO L225 Difference]: With dead ends: 109648 [2022-07-23 02:39:14,733 INFO L226 Difference]: Without dead ends: 63321 [2022-07-23 02:39:15,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:39:15,019 INFO L413 NwaCegarLoop]: 5557 mSDtfsCounter, 2588 mSDsluCounter, 2940 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2588 SdHoareTripleChecker+Valid, 8497 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-23 02:39:15,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2588 Valid, 8497 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-23 02:39:15,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63321 states. [2022-07-23 02:39:18,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63321 to 63313. [2022-07-23 02:39:18,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63313 states, 42177 states have (on average 1.2230125423809186) internal successors, (51583), 43335 states have internal predecessors, (51583), 16056 states have call successors, (16056), 5111 states have call predecessors, (16056), 5078 states have return successors, (16188), 15724 states have call predecessors, (16188), 16056 states have call successors, (16188) [2022-07-23 02:39:18,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63313 states to 63313 states and 83827 transitions. [2022-07-23 02:39:18,677 INFO L78 Accepts]: Start accepts. Automaton has 63313 states and 83827 transitions. Word has length 251 [2022-07-23 02:39:18,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 02:39:18,678 INFO L495 AbstractCegarLoop]: Abstraction has 63313 states and 83827 transitions. [2022-07-23 02:39:18,678 INFO L496 AbstractCegarLoop]: INTERPOLANT 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, (27), 3 states have call predecessors, (27), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-23 02:39:18,678 INFO L276 IsEmpty]: Start isEmpty. Operand 63313 states and 83827 transitions. [2022-07-23 02:39:18,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2022-07-23 02:39:18,684 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 02:39:18,685 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 10, 10, 10, 8, 8, 8, 8, 8, 8, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 02:39:18,724 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2022-07-23 02:39:18,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-23 02:39:18,904 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-23 02:39:18,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 02:39:18,904 INFO L85 PathProgramCache]: Analyzing trace with hash 707456788, now seen corresponding path program 1 times [2022-07-23 02:39:18,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-23 02:39:18,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2077397667] [2022-07-23 02:39:18,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 02:39:18,906 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-23 02:39:18,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-23 02:39:18,907 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-23 02:39:18,908 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2022-07-23 02:39:20,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 02:39:20,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 1873 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-23 02:39:20,232 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 02:39:20,346 INFO L134 CoverageAnalysis]: Checked inductivity of 775 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 706 trivial. 0 not checked. [2022-07-23 02:39:20,347 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 02:39:20,347 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-23 02:39:20,347 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2077397667] [2022-07-23 02:39:20,347 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2077397667] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 02:39:20,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 02:39:20,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-23 02:39:20,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014427057] [2022-07-23 02:39:20,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 02:39:20,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-23 02:39:20,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-23 02:39:20,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-23 02:39:20,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:39:20,349 INFO L87 Difference]: Start difference. First operand 63313 states and 83827 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-23 02:39:24,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 02:39:24,568 INFO L93 Difference]: Finished difference Result 132915 states and 175666 transitions. [2022-07-23 02:39:24,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-23 02:39:24,569 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (31), 3 states have call predecessors, (31), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 313 [2022-07-23 02:39:24,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 02:39:25,075 INFO L225 Difference]: With dead ends: 132915 [2022-07-23 02:39:25,075 INFO L226 Difference]: Without dead ends: 69688 [2022-07-23 02:39:25,268 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 312 GetRequests, 311 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-23 02:39:25,268 INFO L413 NwaCegarLoop]: 4230 mSDtfsCounter, 1093 mSDsluCounter, 3359 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1093 SdHoareTripleChecker+Valid, 7589 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-23 02:39:25,269 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1093 Valid, 7589 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-23 02:39:25,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69688 states.