./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.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 5a5abe7d84ebfba3a3d05a8884a5cfb8bfd1e0698553d38fcfc4a2d2724f4159 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 04:15:21,513 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 04:15:21,514 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 04:15:21,535 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 04:15:21,535 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 04:15:21,536 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 04:15:21,537 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 04:15:21,538 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 04:15:21,539 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 04:15:21,540 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 04:15:21,541 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 04:15:21,541 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 04:15:21,542 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 04:15:21,542 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 04:15:21,543 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 04:15:21,544 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 04:15:21,544 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 04:15:21,545 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 04:15:21,546 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 04:15:21,547 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 04:15:21,548 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 04:15:21,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 04:15:21,550 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 04:15:21,551 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 04:15:21,551 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 04:15:21,553 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 04:15:21,553 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 04:15:21,553 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 04:15:21,554 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 04:15:21,554 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 04:15:21,555 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 04:15:21,555 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 04:15:21,556 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 04:15:21,556 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 04:15:21,557 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 04:15:21,557 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 04:15:21,558 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 04:15:21,558 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 04:15:21,559 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 04:15:21,559 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 04:15:21,560 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 04:15:21,560 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 04:15:21,562 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 04:15:21,577 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 04:15:21,578 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 04:15:21,578 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 04:15:21,578 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 04:15:21,579 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 04:15:21,579 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 04:15:21,579 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 04:15:21,579 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 04:15:21,580 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 04:15:21,580 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 04:15:21,580 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 04:15:21,580 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 04:15:21,581 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 04:15:21,581 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 04:15:21,581 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 04:15:21,581 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 04:15:21,581 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 04:15:21,581 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 04:15:21,581 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 04:15:21,582 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 04:15:21,582 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 04:15:21,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:15:21,583 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 04:15:21,583 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 04:15:21,583 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 04:15:21,583 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 04:15:21,583 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 04:15:21,584 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 04:15:21,584 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 04:15:21,584 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 04:15:21,584 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a5abe7d84ebfba3a3d05a8884a5cfb8bfd1e0698553d38fcfc4a2d2724f4159 [2022-07-14 04:15:21,761 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 04:15:21,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 04:15:21,780 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 04:15:21,780 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 04:15:21,781 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 04:15:21,781 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2022-07-14 04:15:21,834 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d9fd1dc3/250025311c944136961530fdfd39ac20/FLAGab7bf6cab [2022-07-14 04:15:22,495 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 04:15:22,496 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2022-07-14 04:15:22,542 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d9fd1dc3/250025311c944136961530fdfd39ac20/FLAGab7bf6cab [2022-07-14 04:15:22,818 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d9fd1dc3/250025311c944136961530fdfd39ac20 [2022-07-14 04:15:22,821 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 04:15:22,822 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 04:15:22,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 04:15:22,823 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 04:15:22,825 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 04:15:22,826 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:15:22" (1/1) ... [2022-07-14 04:15:22,826 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bf9c327 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:15:22, skipping insertion in model container [2022-07-14 04:15:22,827 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:15:22" (1/1) ... [2022-07-14 04:15:22,859 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 04:15:22,941 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 04:15:25,221 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459471,459484] [2022-07-14 04:15:25,224 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459640,459653] [2022-07-14 04:15:25,225 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459807,459820] [2022-07-14 04:15:25,225 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459975,459988] [2022-07-14 04:15:25,247 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:15:25,298 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 04:15:25,482 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: eeprom_val = (unsigned int )eeprom_val & 255U [9064] 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) [2022-07-14 04:15:25,487 INFO L158 Benchmark]: Toolchain (without parser) took 2663.74ms. Allocated memory was 125.8MB in the beginning and 201.3MB in the end (delta: 75.5MB). Free memory was 71.3MB in the beginning and 88.0MB in the end (delta: -16.7MB). Peak memory consumption was 85.2MB. Max. memory is 16.1GB. [2022-07-14 04:15:25,487 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 79.7MB. Free memory was 36.9MB in the beginning and 36.9MB in the end (delta: 37.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 04:15:25,488 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2662.08ms. Allocated memory was 125.8MB in the beginning and 201.3MB in the end (delta: 75.5MB). Free memory was 71.1MB in the beginning and 88.0MB in the end (delta: -17.0MB). Peak memory consumption was 85.2MB. Max. memory is 16.1GB. [2022-07-14 04:15:25,489 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 79.7MB. Free memory was 36.9MB in the beginning and 36.9MB in the end (delta: 37.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2662.08ms. Allocated memory was 125.8MB in the beginning and 201.3MB in the end (delta: 75.5MB). Free memory was 71.1MB in the beginning and 88.0MB in the end (delta: -17.0MB). Peak memory consumption was 85.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: eeprom_val = (unsigned int )eeprom_val & 255U [9064] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: eeprom_val = (unsigned int )eeprom_val & 255U [9064]: 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-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.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 5a5abe7d84ebfba3a3d05a8884a5cfb8bfd1e0698553d38fcfc4a2d2724f4159 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 04:15:26,988 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 04:15:26,989 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 04:15:27,022 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 04:15:27,023 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 04:15:27,024 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 04:15:27,025 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 04:15:27,027 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 04:15:27,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 04:15:27,034 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 04:15:27,035 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 04:15:27,038 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 04:15:27,038 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 04:15:27,040 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 04:15:27,042 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 04:15:27,044 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 04:15:27,047 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 04:15:27,048 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 04:15:27,050 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 04:15:27,055 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 04:15:27,060 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 04:15:27,061 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 04:15:27,062 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 04:15:27,063 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 04:15:27,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 04:15:27,067 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 04:15:27,070 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 04:15:27,070 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 04:15:27,071 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 04:15:27,072 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 04:15:27,072 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 04:15:27,073 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 04:15:27,074 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 04:15:27,075 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 04:15:27,076 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 04:15:27,077 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 04:15:27,077 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 04:15:27,078 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 04:15:27,078 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 04:15:27,078 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 04:15:27,079 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 04:15:27,082 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 04:15:27,084 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 04:15:27,105 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 04:15:27,105 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 04:15:27,105 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 04:15:27,106 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 04:15:27,106 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 04:15:27,106 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 04:15:27,107 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 04:15:27,107 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 04:15:27,107 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 04:15:27,108 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 04:15:27,113 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 04:15:27,114 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 04:15:27,114 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 04:15:27,114 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 04:15:27,114 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 04:15:27,114 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 04:15:27,114 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 04:15:27,114 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 04:15:27,114 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 04:15:27,115 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 04:15:27,115 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 04:15:27,115 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 04:15:27,115 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 04:15:27,115 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:15:27,115 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 04:15:27,116 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 04:15:27,116 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 04:15:27,116 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 04:15:27,116 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 04:15:27,116 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 04:15:27,116 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 04:15:27,116 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 04:15:27,117 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 04:15:27,117 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a5abe7d84ebfba3a3d05a8884a5cfb8bfd1e0698553d38fcfc4a2d2724f4159 [2022-07-14 04:15:27,362 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 04:15:27,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 04:15:27,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 04:15:27,387 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 04:15:27,387 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 04:15:27,388 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2022-07-14 04:15:27,448 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbeb5bbb2/54ecc0dcdc9245f4891c995161ffbb0b/FLAG4bd8f7339 [2022-07-14 04:15:28,173 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 04:15:28,173 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2022-07-14 04:15:28,231 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbeb5bbb2/54ecc0dcdc9245f4891c995161ffbb0b/FLAG4bd8f7339 [2022-07-14 04:15:28,476 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bbeb5bbb2/54ecc0dcdc9245f4891c995161ffbb0b [2022-07-14 04:15:28,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 04:15:28,479 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 04:15:28,481 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 04:15:28,481 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 04:15:28,509 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 04:15:28,510 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:15:28" (1/1) ... [2022-07-14 04:15:28,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48b8ef76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:15:28, skipping insertion in model container [2022-07-14 04:15:28,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:15:28" (1/1) ... [2022-07-14 04:15:28,516 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 04:15:28,629 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 04:15:30,833 WARN L570 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-07-14 04:15:30,876 WARN L570 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-07-14 04:15:30,901 WARN L570 CHandler]: More than one settings change for restart is not yet implemented; using only the first one to be reported [2022-07-14 04:15:31,326 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459471,459484] [2022-07-14 04:15:31,329 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459640,459653] [2022-07-14 04:15:31,329 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459807,459820] [2022-07-14 04:15:31,330 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459975,459988] [2022-07-14 04:15:31,406 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:15:31,451 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 04:15:31,506 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 04:15:31,749 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459471,459484] [2022-07-14 04:15:31,749 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459640,459653] [2022-07-14 04:15:31,750 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459807,459820] [2022-07-14 04:15:31,750 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459975,459988] [2022-07-14 04:15:31,754 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:15:31,815 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 04:15:32,150 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459471,459484] [2022-07-14 04:15:32,151 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459640,459653] [2022-07-14 04:15:32,151 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459807,459820] [2022-07-14 04:15:32,155 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i[459975,459988] [2022-07-14 04:15:32,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:15:32,303 INFO L208 MainTranslator]: Completed translation [2022-07-14 04:15:32,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:15:32 WrapperNode [2022-07-14 04:15:32,304 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 04:15:32,305 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 04:15:32,305 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 04:15:32,306 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 04:15:32,311 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:15:32" (1/1) ... [2022-07-14 04:15:32,423 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:15:32" (1/1) ... [2022-07-14 04:15:32,554 INFO L137 Inliner]: procedures = 537, calls = 3749, calls flagged for inlining = 276, calls inlined = 260, statements flattened = 6599 [2022-07-14 04:15:32,554 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 04:15:32,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 04:15:32,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 04:15:32,555 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 04:15:32,561 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:15:32" (1/1) ... [2022-07-14 04:15:32,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:15:32" (1/1) ... [2022-07-14 04:15:32,599 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:15:32" (1/1) ... [2022-07-14 04:15:32,600 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:15:32" (1/1) ... [2022-07-14 04:15:32,740 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:15:32" (1/1) ... [2022-07-14 04:15:32,753 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:15:32" (1/1) ... [2022-07-14 04:15:32,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:15:32" (1/1) ... [2022-07-14 04:15:32,822 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 04:15:32,824 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 04:15:32,824 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 04:15:32,824 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 04:15:32,824 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:15:32" (1/1) ... [2022-07-14 04:15:32,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:15:32,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 04:15:32,845 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) [2022-07-14 04:15:32,850 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 [2022-07-14 04:15:32,873 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread8 [2022-07-14 04:15:32,873 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread8 [2022-07-14 04:15:32,874 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_frequency_to_channel [2022-07-14 04:15:32,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_frequency_to_channel [2022-07-14 04:15:32,874 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_tx_ring [2022-07-14 04:15:32,874 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_tx_ring [2022-07-14 04:15:32,874 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite8 [2022-07-14 04:15:32,874 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite8 [2022-07-14 04:15:32,874 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-07-14 04:15:32,874 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-07-14 04:15:32,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 04:15:32,875 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 04:15:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 04:15:32,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 04:15:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_init [2022-07-14 04:15:32,875 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_init [2022-07-14 04:15:32,875 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_calc_rssi [2022-07-14 04:15:32,876 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_calc_rssi [2022-07-14 04:15:32,876 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-14 04:15:32,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-14 04:15:32,876 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-14 04:15:32,876 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-14 04:15:32,876 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-14 04:15:32,876 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-14 04:15:32,876 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 04:15:32,877 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 04:15:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_write_phy_antenna [2022-07-14 04:15:32,877 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_write_phy_antenna [2022-07-14 04:15:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_init [2022-07-14 04:15:32,877 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_init [2022-07-14 04:15:32,877 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread32 [2022-07-14 04:15:32,878 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread32 [2022-07-14 04:15:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 04:15:32,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 04:15:32,878 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_free_rx_ring [2022-07-14 04:15:32,878 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_free_rx_ring [2022-07-14 04:15:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_bss_info_changed [2022-07-14 04:15:32,879 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_bss_info_changed [2022-07-14 04:15:32,879 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_calc_rssi [2022-07-14 04:15:32,880 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_calc_rssi [2022-07-14 04:15:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 04:15:32,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 04:15:32,880 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2022-07-14 04:15:32,880 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2022-07-14 04:15:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_rtl8180_driver_exit_14_2 [2022-07-14 04:15:32,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_rtl8180_driver_exit_14_2 [2022-07-14 04:15:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 04:15:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_set_tx_power [2022-07-14 04:15:32,881 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_set_tx_power [2022-07-14 04:15:32,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-14 04:15:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 04:15:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 04:15:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-14 04:15:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_ioread16 [2022-07-14 04:15:32,882 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_ioread16 [2022-07-14 04:15:32,882 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_set_anaparam [2022-07-14 04:15:32,883 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_set_anaparam [2022-07-14 04:15:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_tx_rate [2022-07-14 04:15:32,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_tx_rate [2022-07-14 04:15:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_conf_erp [2022-07-14 04:15:32,883 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_conf_erp [2022-07-14 04:15:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-14 04:15:32,883 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-14 04:15:32,883 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-14 04:15:32,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-14 04:15:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_stop [2022-07-14 04:15:32,884 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_stop [2022-07-14 04:15:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 04:15:32,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 04:15:32,884 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_stop [2022-07-14 04:15:32,885 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_stop [2022-07-14 04:15:32,885 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-14 04:15:32,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-14 04:15:32,885 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_get_tsf [2022-07-14 04:15:32,885 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_get_tsf [2022-07-14 04:15:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 04:15:32,886 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 04:15:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-14 04:15:32,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-14 04:15:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-14 04:15:32,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-14 04:15:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-14 04:15:32,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-14 04:15:32,886 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2022-07-14 04:15:32,887 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2022-07-14 04:15:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_add_interface [2022-07-14 04:15:32,887 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_add_interface [2022-07-14 04:15:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_write_phy_antenna [2022-07-14 04:15:32,887 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_write_phy_antenna [2022-07-14 04:15:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-14 04:15:32,887 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-14 04:15:32,887 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-14 04:15:32,887 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-14 04:15:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_channel [2022-07-14 04:15:32,888 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_channel [2022-07-14 04:15:32,888 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_set_tx_power [2022-07-14 04:15:32,888 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_set_tx_power [2022-07-14 04:15:32,889 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_set_channel [2022-07-14 04:15:32,889 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_set_channel [2022-07-14 04:15:32,890 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-14 04:15:32,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-14 04:15:32,891 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-07-14 04:15:32,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-07-14 04:15:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 04:15:32,892 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-14 04:15:32,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-14 04:15:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-14 04:15:32,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-14 04:15:32,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 04:15:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-14 04:15:32,897 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-14 04:15:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_free_hw [2022-07-14 04:15:32,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_free_hw [2022-07-14 04:15:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_cck [2022-07-14 04:15:32,897 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_cck [2022-07-14 04:15:32,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 04:15:32,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 04:15:32,898 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 04:15:32,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 04:15:32,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 04:15:32,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-14 04:15:32,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-14 04:15:32,898 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 04:15:32,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 04:15:32,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-14 04:15:32,899 INFO L130 BoogieDeclarations]: Found specification of procedure ieee80211_get_rts_cts_rate [2022-07-14 04:15:32,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ieee80211_get_rts_cts_rate [2022-07-14 04:15:32,899 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_start [2022-07-14 04:15:32,899 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_start [2022-07-14 04:15:32,899 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_rf_set_channel [2022-07-14 04:15:32,899 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_rf_set_channel [2022-07-14 04:15:32,899 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 04:15:32,899 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 04:15:32,899 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_resume [2022-07-14 04:15:32,899 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_resume [2022-07-14 04:15:32,900 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write_phy_ofdm [2022-07-14 04:15:32,900 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write_phy_ofdm [2022-07-14 04:15:32,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_rtl8180_priv [2022-07-14 04:15:32,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_rtl8180_priv [2022-07-14 04:15:32,900 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_calc_rssi [2022-07-14 04:15:32,900 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_calc_rssi [2022-07-14 04:15:32,900 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_write_phy [2022-07-14 04:15:32,900 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_write_phy [2022-07-14 04:15:32,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-14 04:15:32,901 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tail_pointer [2022-07-14 04:15:32,901 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tail_pointer [2022-07-14 04:15:32,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 04:15:32,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 04:15:32,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-14 04:15:32,901 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-07-14 04:15:32,901 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-07-14 04:15:32,901 INFO L130 BoogieDeclarations]: Found specification of procedure write_sa2400 [2022-07-14 04:15:32,901 INFO L138 BoogieDeclarations]: Found implementation of procedure write_sa2400 [2022-07-14 04:15:32,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-14 04:15:32,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 04:15:32,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 04:15:32,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-14 04:15:32,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 04:15:32,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 04:15:32,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 04:15:32,902 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_stop [2022-07-14 04:15:32,902 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_stop [2022-07-14 04:15:32,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-14 04:15:32,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-14 04:15:32,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_ieee80211_free_hw [2022-07-14 04:15:32,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_ieee80211_free_hw [2022-07-14 04:15:32,903 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_rf_init [2022-07-14 04:15:32,903 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_rf_init [2022-07-14 04:15:32,903 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225z2_rf_init [2022-07-14 04:15:32,903 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225z2_rf_init [2022-07-14 04:15:32,903 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove [2022-07-14 04:15:32,903 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove [2022-07-14 04:15:32,904 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-07-14 04:15:32,904 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-07-14 04:15:32,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-14 04:15:32,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-14 04:15:32,905 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-07-14 04:15:32,905 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-07-14 04:15:32,905 INFO L130 BoogieDeclarations]: Found specification of procedure sa2400_rf_stop [2022-07-14 04:15:32,905 INFO L138 BoogieDeclarations]: Found implementation of procedure sa2400_rf_stop [2022-07-14 04:15:32,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 04:15:32,905 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 04:15:32,905 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-07-14 04:15:32,905 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-07-14 04:15:32,905 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_write [2022-07-14 04:15:32,905 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_write [2022-07-14 04:15:32,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 04:15:32,906 INFO L130 BoogieDeclarations]: Found specification of procedure grf5101_write_phy_antenna [2022-07-14 04:15:32,906 INFO L138 BoogieDeclarations]: Found implementation of procedure grf5101_write_phy_antenna [2022-07-14 04:15:32,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 04:15:32,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-14 04:15:32,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-14 04:15:32,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-14 04:15:32,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 04:15:32,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 04:15:32,906 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-14 04:15:32,906 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-14 04:15:32,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 04:15:32,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 04:15:32,907 INFO L130 BoogieDeclarations]: Found specification of procedure write_max2820 [2022-07-14 04:15:32,907 INFO L138 BoogieDeclarations]: Found implementation of procedure write_max2820 [2022-07-14 04:15:32,907 INFO L130 BoogieDeclarations]: Found specification of procedure write_grf5101 [2022-07-14 04:15:32,907 INFO L138 BoogieDeclarations]: Found implementation of procedure write_grf5101 [2022-07-14 04:15:32,907 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_remove_interface [2022-07-14 04:15:32,907 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_remove_interface [2022-07-14 04:15:32,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_61 [2022-07-14 04:15:32,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_61 [2022-07-14 04:15:32,908 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dma_mapping_error [2022-07-14 04:15:32,908 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dma_mapping_error [2022-07-14 04:15:32,908 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8225_read [2022-07-14 04:15:32,908 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8225_read [2022-07-14 04:15:32,908 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 04:15:32,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 04:15:32,908 INFO L130 BoogieDeclarations]: Found specification of procedure max2820_rf_set_channel [2022-07-14 04:15:32,908 INFO L138 BoogieDeclarations]: Found implementation of procedure max2820_rf_set_channel [2022-07-14 04:15:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-14 04:15:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-14 04:15:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_read [2022-07-14 04:15:32,909 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_read [2022-07-14 04:15:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-14 04:15:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-14 04:15:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-07-14 04:15:32,909 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-07-14 04:15:32,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 04:15:32,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 04:15:32,910 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_handle_tx [2022-07-14 04:15:32,910 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_handle_tx [2022-07-14 04:15:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_configure_filter [2022-07-14 04:15:32,913 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_configure_filter [2022-07-14 04:15:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_rtl8180_priv [2022-07-14 04:15:32,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_rtl8180_priv [2022-07-14 04:15:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-07-14 04:15:32,913 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-07-14 04:15:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_len [2022-07-14 04:15:32,913 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_len [2022-07-14 04:15:32,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 04:15:32,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 04:15:32,914 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_prepare_multicast [2022-07-14 04:15:32,915 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_prepare_multicast [2022-07-14 04:15:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-07-14 04:15:32,915 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-07-14 04:15:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite32 [2022-07-14 04:15:32,915 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite32 [2022-07-14 04:15:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure eeprom_93cx6_multiread [2022-07-14 04:15:32,915 INFO L138 BoogieDeclarations]: Found implementation of procedure eeprom_93cx6_multiread [2022-07-14 04:15:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure delayed_work_timer_fn [2022-07-14 04:15:32,915 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-14 04:15:32,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-14 04:15:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_config [2022-07-14 04:15:32,916 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_config [2022-07-14 04:15:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-14 04:15:32,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-14 04:15:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure rtl8180_tx [2022-07-14 04:15:32,916 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl8180_tx [2022-07-14 04:15:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure rtl818x_iowrite16 [2022-07-14 04:15:32,916 INFO L138 BoogieDeclarations]: Found implementation of procedure rtl818x_iowrite16 [2022-07-14 04:15:32,916 INFO L130 BoogieDeclarations]: Found specification of procedure IEEE80211_SKB_CB [2022-07-14 04:15:32,916 INFO L138 BoogieDeclarations]: Found implementation of procedure IEEE80211_SKB_CB [2022-07-14 04:15:33,826 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 04:15:33,828 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 04:15:34,130 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 04:16:11,392 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-14 04:16:11,535 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 04:16:11,558 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 04:16:11,558 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-14 04:16:11,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:16:11 BoogieIcfgContainer [2022-07-14 04:16:11,563 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 04:16:11,564 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 04:16:11,564 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 04:16:11,567 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 04:16:11,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 04:15:28" (1/3) ... [2022-07-14 04:16:11,567 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76cf9f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:16:11, skipping insertion in model container [2022-07-14 04:16:11,567 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:15:32" (2/3) ... [2022-07-14 04:16:11,568 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76cf9f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:16:11, skipping insertion in model container [2022-07-14 04:16:11,568 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:16:11" (3/3) ... [2022-07-14 04:16:11,569 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-wireless-rtl818x-rtl8180-rtl8180.cil.i [2022-07-14 04:16:11,578 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 04:16:11,579 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-14 04:16:11,655 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 04:16:11,659 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@2816c643, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@716f9189 [2022-07-14 04:16:11,659 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-14 04:16:11,669 INFO L276 IsEmpty]: Start isEmpty. Operand has 3088 states, 1764 states have (on average 1.251700680272109) internal successors, (2208), 1802 states have internal predecessors, (2208), 1209 states have call successors, (1209), 113 states have call predecessors, (1209), 112 states have return successors, (1201), 1184 states have call predecessors, (1201), 1201 states have call successors, (1201) [2022-07-14 04:16:11,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2022-07-14 04:16:11,705 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:16:11,706 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:16:11,706 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)] === [2022-07-14 04:16:11,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:16:11,711 INFO L85 PathProgramCache]: Analyzing trace with hash 978317410, now seen corresponding path program 1 times [2022-07-14 04:16:11,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:16:11,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [55093838] [2022-07-14 04:16:11,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:16:11,725 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:16:11,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:16:11,727 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) [2022-07-14 04:16:11,735 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-14 04:16:18,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:16:18,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 3751 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:16:18,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:16:18,801 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5670 trivial. 0 not checked. [2022-07-14 04:16:18,801 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:16:18,801 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:16:18,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [55093838] [2022-07-14 04:16:18,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [55093838] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:16:18,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:16:18,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:16:18,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583859534] [2022-07-14 04:16:18,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:16:18,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:16:18,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:16:18,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:16:18,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:16:18,838 INFO L87 Difference]: Start difference. First operand has 3088 states, 1764 states have (on average 1.251700680272109) internal successors, (2208), 1802 states have internal predecessors, (2208), 1209 states have call successors, (1209), 113 states have call predecessors, (1209), 112 states have return successors, (1201), 1184 states have call predecessors, (1201), 1201 states have call successors, (1201) Second operand has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-07-14 04:16:19,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:16:19,768 INFO L93 Difference]: Finished difference Result 9016 states and 13606 transitions. [2022-07-14 04:16:19,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:16:19,770 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 424 [2022-07-14 04:16:19,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:16:19,948 INFO L225 Difference]: With dead ends: 9016 [2022-07-14 04:16:19,948 INFO L226 Difference]: Without dead ends: 5991 [2022-07-14 04:16:19,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 423 GetRequests, 422 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:16:19,982 INFO L413 NwaCegarLoop]: 5753 mSDtfsCounter, 4395 mSDsluCounter, 4554 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4395 SdHoareTripleChecker+Valid, 10307 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-14 04:16:19,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4395 Valid, 10307 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-14 04:16:20,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5991 states. [2022-07-14 04:16:20,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5991 to 5987. [2022-07-14 04:16:20,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5987 states, 3430 states have (on average 1.2486880466472303) internal successors, (4283), 3501 states have internal predecessors, (4283), 2334 states have call successors, (2334), 221 states have call predecessors, (2334), 220 states have return successors, (2330), 2296 states have call predecessors, (2330), 2330 states have call successors, (2330) [2022-07-14 04:16:20,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5987 states to 5987 states and 8947 transitions. [2022-07-14 04:16:20,433 INFO L78 Accepts]: Start accepts. Automaton has 5987 states and 8947 transitions. Word has length 424 [2022-07-14 04:16:20,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:16:20,436 INFO L495 AbstractCegarLoop]: Abstraction has 5987 states and 8947 transitions. [2022-07-14 04:16:20,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.333333333333332) internal successors, (64), 3 states have internal predecessors, (64), 3 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-07-14 04:16:20,437 INFO L276 IsEmpty]: Start isEmpty. Operand 5987 states and 8947 transitions. [2022-07-14 04:16:20,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2022-07-14 04:16:20,446 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:16:20,446 INFO L195 NwaCegarLoop]: trace histogram [37, 37, 36, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:16:20,570 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-14 04:16:20,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:16:20,664 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)] === [2022-07-14 04:16:20,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:16:20,664 INFO L85 PathProgramCache]: Analyzing trace with hash -548436740, now seen corresponding path program 1 times [2022-07-14 04:16:20,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:16:20,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [44095307] [2022-07-14 04:16:20,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:16:20,669 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:16:20,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:16:20,672 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) [2022-07-14 04:16:20,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-14 04:16:27,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:16:27,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 3775 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:16:27,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:16:28,053 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 108 proven. 0 refuted. 0 times theorem prover too weak. 5670 trivial. 0 not checked. [2022-07-14 04:16:28,055 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:16:28,055 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:16:28,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [44095307] [2022-07-14 04:16:28,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [44095307] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:16:28,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:16:28,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:16:28,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011106193] [2022-07-14 04:16:28,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:16:28,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:16:28,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:16:28,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:16:28,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:16:28,058 INFO L87 Difference]: Start difference. First operand 5987 states and 8947 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-07-14 04:16:28,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:16:28,938 INFO L93 Difference]: Finished difference Result 17497 states and 26217 transitions. [2022-07-14 04:16:28,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:16:28,940 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) Word has length 425 [2022-07-14 04:16:28,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:16:29,070 INFO L225 Difference]: With dead ends: 17497 [2022-07-14 04:16:29,070 INFO L226 Difference]: Without dead ends: 11587 [2022-07-14 04:16:29,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 424 GetRequests, 423 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:16:29,138 INFO L413 NwaCegarLoop]: 5775 mSDtfsCounter, 4263 mSDsluCounter, 4561 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4263 SdHoareTripleChecker+Valid, 10336 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-14 04:16:29,139 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4263 Valid, 10336 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-14 04:16:29,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11587 states. [2022-07-14 04:16:29,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11587 to 11558. [2022-07-14 04:16:29,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11558 states, 6579 states have (on average 1.2479100167198662) internal successors, (8210), 6715 states have internal predecessors, (8210), 4543 states have call successors, (4543), 436 states have call predecessors, (4543), 433 states have return successors, (4585), 4462 states have call predecessors, (4585), 4539 states have call successors, (4585) [2022-07-14 04:16:29,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11558 states to 11558 states and 17338 transitions. [2022-07-14 04:16:29,951 INFO L78 Accepts]: Start accepts. Automaton has 11558 states and 17338 transitions. Word has length 425 [2022-07-14 04:16:29,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:16:29,953 INFO L495 AbstractCegarLoop]: Abstraction has 11558 states and 17338 transitions. [2022-07-14 04:16:29,953 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 3 states have call successors, (41), 3 states have call predecessors, (41), 3 states have return successors, (39), 3 states have call predecessors, (39), 3 states have call successors, (39) [2022-07-14 04:16:29,954 INFO L276 IsEmpty]: Start isEmpty. Operand 11558 states and 17338 transitions. [2022-07-14 04:16:29,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2022-07-14 04:16:29,968 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:16:29,968 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:16:30,091 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-14 04:16:30,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:16:30,184 INFO L420 AbstractCegarLoop]: === Iteration 3 === 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)] === [2022-07-14 04:16:30,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:16:30,184 INFO L85 PathProgramCache]: Analyzing trace with hash -2102311554, now seen corresponding path program 1 times [2022-07-14 04:16:30,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:16:30,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [918964872] [2022-07-14 04:16:30,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:16:30,189 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:16:30,189 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:16:30,194 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) [2022-07-14 04:16:30,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-14 04:16:37,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:16:37,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 3876 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:16:37,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:16:37,892 INFO L134 CoverageAnalysis]: Checked inductivity of 6154 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 6015 trivial. 0 not checked. [2022-07-14 04:16:37,892 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:16:37,893 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:16:37,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [918964872] [2022-07-14 04:16:37,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [918964872] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:16:37,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:16:37,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:16:37,893 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130976952] [2022-07-14 04:16:37,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:16:37,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:16:37,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:16:37,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:16:37,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:16:37,897 INFO L87 Difference]: Start difference. First operand 11558 states and 17338 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-07-14 04:16:38,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:16:38,855 INFO L93 Difference]: Finished difference Result 23065 states and 34593 transitions. [2022-07-14 04:16:38,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:16:38,856 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) Word has length 480 [2022-07-14 04:16:38,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:16:38,997 INFO L225 Difference]: With dead ends: 23065 [2022-07-14 04:16:38,997 INFO L226 Difference]: Without dead ends: 17235 [2022-07-14 04:16:39,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 479 GetRequests, 478 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:16:39,061 INFO L413 NwaCegarLoop]: 8941 mSDtfsCounter, 4355 mSDsluCounter, 4559 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4355 SdHoareTripleChecker+Valid, 13500 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-14 04:16:39,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4355 Valid, 13500 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-14 04:16:39,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17235 states. [2022-07-14 04:16:39,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17235 to 17231. [2022-07-14 04:16:39,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17231 states, 9808 states have (on average 1.2483686786296901) internal successors, (12244), 10008 states have internal predecessors, (12244), 6772 states have call successors, (6772), 652 states have call predecessors, (6772), 648 states have return successors, (6837), 6654 states have call predecessors, (6837), 6768 states have call successors, (6837) [2022-07-14 04:16:40,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17231 states to 17231 states and 25853 transitions. [2022-07-14 04:16:40,095 INFO L78 Accepts]: Start accepts. Automaton has 17231 states and 25853 transitions. Word has length 480 [2022-07-14 04:16:40,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:16:40,096 INFO L495 AbstractCegarLoop]: Abstraction has 17231 states and 25853 transitions. [2022-07-14 04:16:40,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 3 states have call successors, (48), 3 states have call predecessors, (48), 3 states have return successors, (46), 3 states have call predecessors, (46), 3 states have call successors, (46) [2022-07-14 04:16:40,096 INFO L276 IsEmpty]: Start isEmpty. Operand 17231 states and 25853 transitions. [2022-07-14 04:16:40,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2022-07-14 04:16:40,111 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:16:40,111 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:16:40,213 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-14 04:16:40,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:16:40,328 INFO L420 AbstractCegarLoop]: === Iteration 4 === 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)] === [2022-07-14 04:16:40,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:16:40,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1961762944, now seen corresponding path program 1 times [2022-07-14 04:16:40,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:16:40,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2125924156] [2022-07-14 04:16:40,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:16:40,335 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:16:40,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:16:40,342 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) [2022-07-14 04:16:40,343 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-14 04:16:46,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:16:47,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 3876 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:16:47,099 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:16:57,953 INFO L134 CoverageAnalysis]: Checked inductivity of 6154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6154 trivial. 0 not checked. [2022-07-14 04:16:57,953 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:16:57,953 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:16:57,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2125924156] [2022-07-14 04:16:57,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2125924156] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:16:57,953 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:16:57,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 04:16:57,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942020967] [2022-07-14 04:16:57,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:16:57,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 04:16:57,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:16:57,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 04:16:57,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:16:57,955 INFO L87 Difference]: Start difference. First operand 17231 states and 25853 transitions. Second operand has 5 states, 5 states have (on average 16.2) internal successors, (81), 3 states have internal predecessors, (81), 1 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2022-07-14 04:16:58,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:16:58,917 INFO L93 Difference]: Finished difference Result 17237 states and 25858 transitions. [2022-07-14 04:16:58,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 04:16:58,918 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 3 states have internal predecessors, (81), 1 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) Word has length 480 [2022-07-14 04:16:58,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:16:59,031 INFO L225 Difference]: With dead ends: 17237 [2022-07-14 04:16:59,031 INFO L226 Difference]: Without dead ends: 17235 [2022-07-14 04:16:59,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 481 GetRequests, 476 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-14 04:16:59,053 INFO L413 NwaCegarLoop]: 4583 mSDtfsCounter, 4424 mSDsluCounter, 9154 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4425 SdHoareTripleChecker+Valid, 13737 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-14 04:16:59,054 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4425 Valid, 13737 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-14 04:16:59,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17235 states. [2022-07-14 04:16:59,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17235 to 17235. [2022-07-14 04:16:59,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17235 states, 9811 states have (on average 1.2482927326470288) internal successors, (12247), 10011 states have internal predecessors, (12247), 6772 states have call successors, (6772), 653 states have call predecessors, (6772), 649 states have return successors, (6837), 6654 states have call predecessors, (6837), 6768 states have call successors, (6837) [2022-07-14 04:17:00,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17235 states to 17235 states and 25856 transitions. [2022-07-14 04:17:00,051 INFO L78 Accepts]: Start accepts. Automaton has 17235 states and 25856 transitions. Word has length 480 [2022-07-14 04:17:00,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:17:00,053 INFO L495 AbstractCegarLoop]: Abstraction has 17235 states and 25856 transitions. [2022-07-14 04:17:00,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.2) internal successors, (81), 3 states have internal predecessors, (81), 1 states have call successors, (47), 2 states have call predecessors, (47), 1 states have return successors, (45), 1 states have call predecessors, (45), 1 states have call successors, (45) [2022-07-14 04:17:00,054 INFO L276 IsEmpty]: Start isEmpty. Operand 17235 states and 25856 transitions. [2022-07-14 04:17:00,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2022-07-14 04:17:00,071 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:17:00,071 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:17:00,202 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-14 04:17:00,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:17:00,286 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)] === [2022-07-14 04:17:00,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:17:00,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1948428257, now seen corresponding path program 1 times [2022-07-14 04:17:00,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:17:00,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [798986328] [2022-07-14 04:17:00,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:17:00,290 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:17:00,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:17:00,291 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) [2022-07-14 04:17:00,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-14 04:17:06,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:17:07,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 3883 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:17:07,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:17:18,469 INFO L134 CoverageAnalysis]: Checked inductivity of 6156 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6154 trivial. 0 not checked. [2022-07-14 04:17:18,469 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 04:17:21,685 INFO L134 CoverageAnalysis]: Checked inductivity of 6156 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6154 trivial. 0 not checked. [2022-07-14 04:17:21,685 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:17:21,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [798986328] [2022-07-14 04:17:21,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [798986328] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-14 04:17:21,686 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 04:17:21,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-14 04:17:21,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525831546] [2022-07-14 04:17:21,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:17:21,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 04:17:21,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:17:21,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 04:17:21,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-14 04:17:21,688 INFO L87 Difference]: Start difference. First operand 17235 states and 25856 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2022-07-14 04:17:22,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:17:22,790 INFO L93 Difference]: Finished difference Result 17241 states and 25861 transitions. [2022-07-14 04:17:22,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 04:17:22,791 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 485 [2022-07-14 04:17:22,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:17:22,900 INFO L225 Difference]: With dead ends: 17241 [2022-07-14 04:17:22,900 INFO L226 Difference]: Without dead ends: 17239 [2022-07-14 04:17:22,923 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 971 GetRequests, 963 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-14 04:17:22,924 INFO L413 NwaCegarLoop]: 4586 mSDtfsCounter, 4469 mSDsluCounter, 9153 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4479 SdHoareTripleChecker+Valid, 13739 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-14 04:17:22,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4479 Valid, 13739 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-14 04:17:22,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17239 states. [2022-07-14 04:17:23,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17239 to 17239. [2022-07-14 04:17:23,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17239 states, 9814 states have (on average 1.2482168330955778) internal successors, (12250), 10014 states have internal predecessors, (12250), 6772 states have call successors, (6772), 654 states have call predecessors, (6772), 650 states have return successors, (6837), 6654 states have call predecessors, (6837), 6768 states have call successors, (6837) [2022-07-14 04:17:23,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17239 states to 17239 states and 25859 transitions. [2022-07-14 04:17:23,890 INFO L78 Accepts]: Start accepts. Automaton has 17239 states and 25859 transitions. Word has length 485 [2022-07-14 04:17:23,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:17:23,890 INFO L495 AbstractCegarLoop]: Abstraction has 17239 states and 25859 transitions. [2022-07-14 04:17:23,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (48), 3 states have call predecessors, (48), 1 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2022-07-14 04:17:23,891 INFO L276 IsEmpty]: Start isEmpty. Operand 17239 states and 25859 transitions. [2022-07-14 04:17:23,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2022-07-14 04:17:23,903 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:17:23,903 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:17:24,003 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-14 04:17:24,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:17:24,124 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)] === [2022-07-14 04:17:24,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:17:24,124 INFO L85 PathProgramCache]: Analyzing trace with hash 653034144, now seen corresponding path program 1 times [2022-07-14 04:17:24,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:17:24,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1509494810] [2022-07-14 04:17:24,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:17:24,129 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:17:24,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:17:24,131 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) [2022-07-14 04:17:24,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-14 04:17:30,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:17:30,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 3890 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:17:30,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:17:42,172 INFO L134 CoverageAnalysis]: Checked inductivity of 6162 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6158 trivial. 0 not checked. [2022-07-14 04:17:42,172 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 04:17:45,493 INFO L134 CoverageAnalysis]: Checked inductivity of 6162 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6158 trivial. 0 not checked. [2022-07-14 04:17:45,493 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:17:45,493 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1509494810] [2022-07-14 04:17:45,493 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1509494810] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-14 04:17:45,494 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 04:17:45,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-14 04:17:45,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890736064] [2022-07-14 04:17:45,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:17:45,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 04:17:45,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:17:45,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 04:17:45,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-14 04:17:45,500 INFO L87 Difference]: Start difference. First operand 17239 states and 25859 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-07-14 04:17:46,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:17:46,823 INFO L93 Difference]: Finished difference Result 17245 states and 25864 transitions. [2022-07-14 04:17:46,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 04:17:46,824 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 490 [2022-07-14 04:17:46,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:17:46,935 INFO L225 Difference]: With dead ends: 17245 [2022-07-14 04:17:46,935 INFO L226 Difference]: Without dead ends: 17243 [2022-07-14 04:17:46,956 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 981 GetRequests, 973 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-14 04:17:46,958 INFO L413 NwaCegarLoop]: 4586 mSDtfsCounter, 4469 mSDsluCounter, 9153 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4478 SdHoareTripleChecker+Valid, 13739 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-14 04:17:46,958 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4478 Valid, 13739 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-14 04:17:46,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17243 states. [2022-07-14 04:17:48,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17243 to 17243. [2022-07-14 04:17:48,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17243 states, 9817 states have (on average 1.2481409799327696) internal successors, (12253), 10017 states have internal predecessors, (12253), 6772 states have call successors, (6772), 655 states have call predecessors, (6772), 651 states have return successors, (6837), 6654 states have call predecessors, (6837), 6768 states have call successors, (6837) [2022-07-14 04:17:48,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17243 states to 17243 states and 25862 transitions. [2022-07-14 04:17:48,321 INFO L78 Accepts]: Start accepts. Automaton has 17243 states and 25862 transitions. Word has length 490 [2022-07-14 04:17:48,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:17:48,339 INFO L495 AbstractCegarLoop]: Abstraction has 17243 states and 25862 transitions. [2022-07-14 04:17:48,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (49), 3 states have call predecessors, (49), 1 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2022-07-14 04:17:48,340 INFO L276 IsEmpty]: Start isEmpty. Operand 17243 states and 25862 transitions. [2022-07-14 04:17:48,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 507 [2022-07-14 04:17:48,370 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:17:48,371 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 5, 5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:17:48,531 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-14 04:17:48,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:17:48,572 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)] === [2022-07-14 04:17:48,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:17:48,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1281902907, now seen corresponding path program 1 times [2022-07-14 04:17:48,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:17:48,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1038144208] [2022-07-14 04:17:48,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:17:48,576 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:17:48,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:17:48,578 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) [2022-07-14 04:17:48,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-14 04:17:55,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:17:55,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 3944 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:17:55,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:17:56,116 INFO L134 CoverageAnalysis]: Checked inductivity of 6183 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 6037 trivial. 0 not checked. [2022-07-14 04:17:56,117 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:17:56,117 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:17:56,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1038144208] [2022-07-14 04:17:56,117 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1038144208] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:17:56,117 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:17:56,117 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:17:56,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126656371] [2022-07-14 04:17:56,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:17:56,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:17:56,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:17:56,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:17:56,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:17:56,119 INFO L87 Difference]: Start difference. First operand 17243 states and 25862 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (53), 3 states have call predecessors, (53), 3 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-07-14 04:17:57,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:17:57,299 INFO L93 Difference]: Finished difference Result 34467 states and 51682 transitions. [2022-07-14 04:17:57,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:17:57,299 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (53), 3 states have call predecessors, (53), 3 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 506 [2022-07-14 04:17:57,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:17:57,444 INFO L225 Difference]: With dead ends: 34467 [2022-07-14 04:17:57,444 INFO L226 Difference]: Without dead ends: 22952 [2022-07-14 04:17:57,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 505 GetRequests, 504 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:17:57,666 INFO L413 NwaCegarLoop]: 8953 mSDtfsCounter, 4386 mSDsluCounter, 4561 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4386 SdHoareTripleChecker+Valid, 13514 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-14 04:17:57,667 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4386 Valid, 13514 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-14 04:17:57,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22952 states. [2022-07-14 04:17:58,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22952 to 22918. [2022-07-14 04:17:58,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22918 states, 13048 states have (on average 1.2483905579399142) internal successors, (16289), 13312 states have internal predecessors, (16289), 9001 states have call successors, (9001), 871 states have call predecessors, (9001), 866 states have return successors, (9089), 8846 states have call predecessors, (9089), 8997 states have call successors, (9089) [2022-07-14 04:17:58,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22918 states to 22918 states and 34379 transitions. [2022-07-14 04:17:58,781 INFO L78 Accepts]: Start accepts. Automaton has 22918 states and 34379 transitions. Word has length 506 [2022-07-14 04:17:58,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:17:58,782 INFO L495 AbstractCegarLoop]: Abstraction has 22918 states and 34379 transitions. [2022-07-14 04:17:58,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 3 states have call successors, (53), 3 states have call predecessors, (53), 3 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2022-07-14 04:17:58,782 INFO L276 IsEmpty]: Start isEmpty. Operand 22918 states and 34379 transitions. [2022-07-14 04:17:58,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 496 [2022-07-14 04:17:58,795 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:17:58,796 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:17:58,905 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-14 04:17:59,011 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:17:59,012 INFO L420 AbstractCegarLoop]: === Iteration 8 === 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)] === [2022-07-14 04:17:59,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:17:59,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1526343553, now seen corresponding path program 1 times [2022-07-14 04:17:59,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:17:59,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [986879248] [2022-07-14 04:17:59,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:17:59,016 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:17:59,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:17:59,017 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) [2022-07-14 04:17:59,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-14 04:18:05,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:18:06,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 3897 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:18:06,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:18:17,279 INFO L134 CoverageAnalysis]: Checked inductivity of 6172 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6166 trivial. 0 not checked. [2022-07-14 04:18:17,279 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 04:18:20,448 INFO L134 CoverageAnalysis]: Checked inductivity of 6172 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 6166 trivial. 0 not checked. [2022-07-14 04:18:20,448 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:18:20,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [986879248] [2022-07-14 04:18:20,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [986879248] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-14 04:18:20,449 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 04:18:20,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-14 04:18:20,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495455877] [2022-07-14 04:18:20,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:18:20,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 04:18:20,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:18:20,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 04:18:20,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-14 04:18:20,451 INFO L87 Difference]: Start difference. First operand 22918 states and 34379 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2022-07-14 04:18:21,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:18:21,565 INFO L93 Difference]: Finished difference Result 22924 states and 34384 transitions. [2022-07-14 04:18:21,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 04:18:21,566 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) Word has length 495 [2022-07-14 04:18:21,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:18:21,659 INFO L225 Difference]: With dead ends: 22924 [2022-07-14 04:18:21,660 INFO L226 Difference]: Without dead ends: 22922 [2022-07-14 04:18:21,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 991 GetRequests, 983 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-14 04:18:21,670 INFO L413 NwaCegarLoop]: 4586 mSDtfsCounter, 4469 mSDsluCounter, 9153 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4477 SdHoareTripleChecker+Valid, 13739 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-14 04:18:21,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4477 Valid, 13739 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-14 04:18:21,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22922 states. [2022-07-14 04:18:22,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22922 to 22922. [2022-07-14 04:18:22,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22922 states, 13051 states have (on average 1.2483334610374683) internal successors, (16292), 13315 states have internal predecessors, (16292), 9001 states have call successors, (9001), 872 states have call predecessors, (9001), 867 states have return successors, (9089), 8846 states have call predecessors, (9089), 8997 states have call successors, (9089) [2022-07-14 04:18:22,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22922 states to 22922 states and 34382 transitions. [2022-07-14 04:18:22,804 INFO L78 Accepts]: Start accepts. Automaton has 22922 states and 34382 transitions. Word has length 495 [2022-07-14 04:18:22,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:18:22,806 INFO L495 AbstractCegarLoop]: Abstraction has 22922 states and 34382 transitions. [2022-07-14 04:18:22,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (50), 3 states have call predecessors, (50), 1 states have return successors, (48), 2 states have call predecessors, (48), 2 states have call successors, (48) [2022-07-14 04:18:22,806 INFO L276 IsEmpty]: Start isEmpty. Operand 22922 states and 34382 transitions. [2022-07-14 04:18:22,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 501 [2022-07-14 04:18:22,818 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:18:22,818 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:18:22,919 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-07-14 04:18:23,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:18:23,019 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)] === [2022-07-14 04:18:23,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:18:23,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1759547968, now seen corresponding path program 1 times [2022-07-14 04:18:23,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:18:23,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [157079371] [2022-07-14 04:18:23,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:18:23,023 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:18:23,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:18:23,024 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) [2022-07-14 04:18:23,025 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-07-14 04:18:29,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:18:30,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 3904 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:18:30,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:18:41,239 INFO L134 CoverageAnalysis]: Checked inductivity of 6186 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 6178 trivial. 0 not checked. [2022-07-14 04:18:41,239 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 04:18:44,416 INFO L134 CoverageAnalysis]: Checked inductivity of 6186 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 6178 trivial. 0 not checked. [2022-07-14 04:18:44,417 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:18:44,417 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [157079371] [2022-07-14 04:18:44,417 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [157079371] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-14 04:18:44,417 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 04:18:44,417 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-14 04:18:44,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350864556] [2022-07-14 04:18:44,418 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:18:44,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 04:18:44,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:18:44,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 04:18:44,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-14 04:18:44,419 INFO L87 Difference]: Start difference. First operand 22922 states and 34382 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2022-07-14 04:18:45,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:18:45,603 INFO L93 Difference]: Finished difference Result 22928 states and 34387 transitions. [2022-07-14 04:18:45,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 04:18:45,604 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 500 [2022-07-14 04:18:45,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:18:45,712 INFO L225 Difference]: With dead ends: 22928 [2022-07-14 04:18:45,712 INFO L226 Difference]: Without dead ends: 22926 [2022-07-14 04:18:45,732 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1001 GetRequests, 993 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-14 04:18:45,733 INFO L413 NwaCegarLoop]: 4586 mSDtfsCounter, 4469 mSDsluCounter, 9153 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4476 SdHoareTripleChecker+Valid, 13739 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-14 04:18:45,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4476 Valid, 13739 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-14 04:18:45,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22926 states. [2022-07-14 04:18:46,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22926 to 22926. [2022-07-14 04:18:46,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22926 states, 13054 states have (on average 1.248276390378428) internal successors, (16295), 13318 states have internal predecessors, (16295), 9001 states have call successors, (9001), 873 states have call predecessors, (9001), 868 states have return successors, (9089), 8846 states have call predecessors, (9089), 8997 states have call successors, (9089) [2022-07-14 04:18:47,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22926 states to 22926 states and 34385 transitions. [2022-07-14 04:18:47,012 INFO L78 Accepts]: Start accepts. Automaton has 22926 states and 34385 transitions. Word has length 500 [2022-07-14 04:18:47,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:18:47,013 INFO L495 AbstractCegarLoop]: Abstraction has 22926 states and 34385 transitions. [2022-07-14 04:18:47,013 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (51), 3 states have call predecessors, (51), 1 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2022-07-14 04:18:47,013 INFO L276 IsEmpty]: Start isEmpty. Operand 22926 states and 34385 transitions. [2022-07-14 04:18:47,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2022-07-14 04:18:47,030 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:18:47,031 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 6, 5, 5, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:18:47,143 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Ended with exit code 0 [2022-07-14 04:18:47,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:18:47,232 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)] === [2022-07-14 04:18:47,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:18:47,239 INFO L85 PathProgramCache]: Analyzing trace with hash -1111289633, now seen corresponding path program 1 times [2022-07-14 04:18:47,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:18:47,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [756592241] [2022-07-14 04:18:47,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:18:47,243 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:18:47,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:18:47,244 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) [2022-07-14 04:18:47,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-07-14 04:18:54,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:18:54,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 3911 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:18:54,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:19:06,000 INFO L134 CoverageAnalysis]: Checked inductivity of 6204 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 6194 trivial. 0 not checked. [2022-07-14 04:19:06,000 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 04:19:09,100 INFO L134 CoverageAnalysis]: Checked inductivity of 6204 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 6194 trivial. 0 not checked. [2022-07-14 04:19:09,100 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:19:09,100 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [756592241] [2022-07-14 04:19:09,101 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [756592241] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-14 04:19:09,101 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 04:19:09,101 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-14 04:19:09,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499414783] [2022-07-14 04:19:09,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:19:09,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 04:19:09,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:19:09,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 04:19:09,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-14 04:19:09,107 INFO L87 Difference]: Start difference. First operand 22926 states and 34385 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-07-14 04:19:10,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:19:10,275 INFO L93 Difference]: Finished difference Result 22932 states and 34390 transitions. [2022-07-14 04:19:10,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 04:19:10,276 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) Word has length 505 [2022-07-14 04:19:10,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:19:10,444 INFO L225 Difference]: With dead ends: 22932 [2022-07-14 04:19:10,444 INFO L226 Difference]: Without dead ends: 22930 [2022-07-14 04:19:10,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1011 GetRequests, 1003 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-14 04:19:10,457 INFO L413 NwaCegarLoop]: 4586 mSDtfsCounter, 4469 mSDsluCounter, 9153 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4475 SdHoareTripleChecker+Valid, 13739 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-14 04:19:10,457 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4475 Valid, 13739 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-14 04:19:10,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22930 states. [2022-07-14 04:19:11,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22930 to 22930. [2022-07-14 04:19:11,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22930 states, 13057 states have (on average 1.248219345944704) internal successors, (16298), 13321 states have internal predecessors, (16298), 9001 states have call successors, (9001), 874 states have call predecessors, (9001), 869 states have return successors, (9089), 8846 states have call predecessors, (9089), 8997 states have call successors, (9089) [2022-07-14 04:19:11,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22930 states to 22930 states and 34388 transitions. [2022-07-14 04:19:11,615 INFO L78 Accepts]: Start accepts. Automaton has 22930 states and 34388 transitions. Word has length 505 [2022-07-14 04:19:11,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:19:11,616 INFO L495 AbstractCegarLoop]: Abstraction has 22930 states and 34388 transitions. [2022-07-14 04:19:11,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (52), 3 states have call predecessors, (52), 1 states have return successors, (50), 2 states have call predecessors, (50), 2 states have call successors, (50) [2022-07-14 04:19:11,616 INFO L276 IsEmpty]: Start isEmpty. Operand 22930 states and 34388 transitions. [2022-07-14 04:19:11,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2022-07-14 04:19:11,631 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:19:11,632 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 7, 6, 6, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:19:11,787 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-07-14 04:19:11,832 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:19:11,833 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)] === [2022-07-14 04:19:11,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:19:11,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1611620128, now seen corresponding path program 1 times [2022-07-14 04:19:11,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:19:11,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [383682681] [2022-07-14 04:19:11,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:19:11,837 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:19:11,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:19:11,838 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) [2022-07-14 04:19:11,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-07-14 04:19:18,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:19:18,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 3918 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:19:18,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:19:29,575 INFO L134 CoverageAnalysis]: Checked inductivity of 6226 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 6214 trivial. 0 not checked. [2022-07-14 04:19:29,576 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-14 04:19:32,584 INFO L134 CoverageAnalysis]: Checked inductivity of 6226 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 6214 trivial. 0 not checked. [2022-07-14 04:19:32,584 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:19:32,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [383682681] [2022-07-14 04:19:32,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [383682681] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-14 04:19:32,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-14 04:19:32,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-07-14 04:19:32,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089025676] [2022-07-14 04:19:32,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:19:32,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 04:19:32,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:19:32,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 04:19:32,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-07-14 04:19:32,586 INFO L87 Difference]: Start difference. First operand 22930 states and 34388 transitions. Second operand has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (53), 3 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-07-14 04:19:34,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:19:34,063 INFO L93 Difference]: Finished difference Result 23552 states and 35037 transitions. [2022-07-14 04:19:34,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-14 04:19:34,064 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (53), 3 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 510 [2022-07-14 04:19:34,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:19:34,221 INFO L225 Difference]: With dead ends: 23552 [2022-07-14 04:19:34,221 INFO L226 Difference]: Without dead ends: 23550 [2022-07-14 04:19:34,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1021 GetRequests, 1013 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-14 04:19:34,248 INFO L413 NwaCegarLoop]: 4604 mSDtfsCounter, 4257 mSDsluCounter, 9555 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4262 SdHoareTripleChecker+Valid, 14159 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-14 04:19:34,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4262 Valid, 14159 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-14 04:19:34,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23550 states. [2022-07-14 04:19:35,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23550 to 23550. [2022-07-14 04:19:35,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23550 states, 13508 states have (on average 1.2449659461060112) internal successors, (16817), 13772 states have internal predecessors, (16817), 9065 states have call successors, (9065), 979 states have call predecessors, (9065), 974 states have return successors, (9153), 8910 states have call predecessors, (9153), 9061 states have call successors, (9153) [2022-07-14 04:19:35,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23550 states to 23550 states and 35035 transitions. [2022-07-14 04:19:35,475 INFO L78 Accepts]: Start accepts. Automaton has 23550 states and 35035 transitions. Word has length 510 [2022-07-14 04:19:35,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:19:35,476 INFO L495 AbstractCegarLoop]: Abstraction has 23550 states and 35035 transitions. [2022-07-14 04:19:35,476 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.8) internal successors, (84), 4 states have internal predecessors, (84), 2 states have call successors, (53), 3 states have call predecessors, (53), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-07-14 04:19:35,476 INFO L276 IsEmpty]: Start isEmpty. Operand 23550 states and 35035 transitions. [2022-07-14 04:19:35,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2022-07-14 04:19:35,489 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:19:35,490 INFO L195 NwaCegarLoop]: trace histogram [40, 40, 36, 36, 36, 36, 36, 36, 8, 7, 7, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:19:35,617 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (12)] Ended with exit code 0 [2022-07-14 04:19:35,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:19:35,699 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)] === [2022-07-14 04:19:35,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:19:35,699 INFO L85 PathProgramCache]: Analyzing trace with hash -846266049, now seen corresponding path program 1 times [2022-07-14 04:19:35,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:19:35,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [793742929] [2022-07-14 04:19:35,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:19:35,705 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:19:35,705 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:19:35,716 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) [2022-07-14 04:19:35,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (13)] Waiting until timeout for monitored process