./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-ethernet-oki-semi-pch_gbe-pch_gbe.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-ethernet-oki-semi-pch_gbe-pch_gbe.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 bc38af6d85a1ea18be4ba0c188eed765e9a84460b9b23510e792660c4b3625d7 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 04:11:42,774 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 04:11:42,776 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 04:11:42,801 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 04:11:42,801 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 04:11:42,802 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 04:11:42,803 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 04:11:42,804 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 04:11:42,805 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 04:11:42,806 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 04:11:42,807 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 04:11:42,807 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 04:11:42,808 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 04:11:42,808 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 04:11:42,809 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 04:11:42,810 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 04:11:42,810 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 04:11:42,811 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 04:11:42,812 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 04:11:42,813 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 04:11:42,814 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 04:11:42,815 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 04:11:42,816 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 04:11:42,817 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 04:11:42,817 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 04:11:42,819 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 04:11:42,820 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 04:11:42,820 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 04:11:42,820 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 04:11:42,821 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 04:11:42,822 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 04:11:42,822 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 04:11:42,822 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 04:11:42,823 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 04:11:42,823 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 04:11:42,824 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 04:11:42,824 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 04:11:42,825 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 04:11:42,825 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 04:11:42,826 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 04:11:42,826 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 04:11:42,830 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 04:11:42,830 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 04:11:42,858 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 04:11:42,859 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 04:11:42,859 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 04:11:42,859 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 04:11:42,860 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 04:11:42,860 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 04:11:42,861 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 04:11:42,861 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 04:11:42,861 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 04:11:42,862 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 04:11:42,862 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 04:11:42,862 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 04:11:42,862 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 04:11:42,862 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 04:11:42,862 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 04:11:42,862 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 04:11:42,862 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 04:11:42,863 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 04:11:42,863 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 04:11:42,863 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 04:11:42,864 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 04:11:42,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:11:42,864 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 04:11:42,864 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 04:11:42,864 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 04:11:42,865 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 04:11:42,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 04:11:42,865 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 04:11:42,865 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 04:11:42,865 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 04:11:42,865 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc38af6d85a1ea18be4ba0c188eed765e9a84460b9b23510e792660c4b3625d7 [2022-07-14 04:11:43,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 04:11:43,086 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 04:11:43,089 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 04:11:43,090 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 04:11:43,090 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 04:11:43,092 INFO L432 ainManager$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-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-07-14 04:11:43,136 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8940f79c9/42b8a0917f4c4bc081fdac0ae533810c/FLAG65c2bc309 [2022-07-14 04:11:43,881 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 04:11:43,882 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-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-07-14 04:11:43,932 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8940f79c9/42b8a0917f4c4bc081fdac0ae533810c/FLAG65c2bc309 [2022-07-14 04:11:44,167 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8940f79c9/42b8a0917f4c4bc081fdac0ae533810c [2022-07-14 04:11:44,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 04:11:44,171 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 04:11:44,172 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 04:11:44,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 04:11:44,175 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 04:11:44,175 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:11:44" (1/1) ... [2022-07-14 04:11:44,176 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7285040f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:11:44, skipping insertion in model container [2022-07-14 04:11:44,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:11:44" (1/1) ... [2022-07-14 04:11:44,182 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 04:11:44,336 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 04:11:47,761 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-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552482,552495] [2022-07-14 04:11:47,764 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-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552651,552664] [2022-07-14 04:11:47,766 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552818,552831] [2022-07-14 04:11:47,767 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-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552986,552999] [2022-07-14 04:11:47,801 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:11:47,858 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 04:11:47,926 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: mii_reg = (unsigned int )mii_reg & 63487U [6465] 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 04:11:47,934 INFO L158 Benchmark]: Toolchain (without parser) took 3761.18ms. Allocated memory was 113.2MB in the beginning and 178.3MB in the end (delta: 65.0MB). Free memory was 60.5MB in the beginning and 67.1MB in the end (delta: -6.7MB). Peak memory consumption was 76.9MB. Max. memory is 16.1GB. [2022-07-14 04:11:47,934 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 88.1MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 04:11:47,935 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3759.30ms. Allocated memory was 113.2MB in the beginning and 178.3MB in the end (delta: 65.0MB). Free memory was 60.2MB in the beginning and 67.1MB in the end (delta: -7.0MB). Peak memory consumption was 76.9MB. Max. memory is 16.1GB. [2022-07-14 04:11:47,936 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 88.1MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3759.30ms. Allocated memory was 113.2MB in the beginning and 178.3MB in the end (delta: 65.0MB). Free memory was 60.2MB in the beginning and 67.1MB in the end (delta: -7.0MB). Peak memory consumption was 76.9MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: mii_reg = (unsigned int )mii_reg & 63487U [6465] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: mii_reg = (unsigned int )mii_reg & 63487U [6465]: 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-ethernet-oki-semi-pch_gbe-pch_gbe.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 bc38af6d85a1ea18be4ba0c188eed765e9a84460b9b23510e792660c4b3625d7 --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-14 04:11:49,457 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 04:11:49,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 04:11:49,492 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 04:11:49,492 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 04:11:49,494 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 04:11:49,497 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 04:11:49,499 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 04:11:49,500 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 04:11:49,504 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 04:11:49,505 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 04:11:49,508 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 04:11:49,508 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 04:11:49,510 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 04:11:49,510 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 04:11:49,512 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 04:11:49,513 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 04:11:49,514 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 04:11:49,515 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 04:11:49,519 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 04:11:49,520 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 04:11:49,521 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 04:11:49,522 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 04:11:49,523 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 04:11:49,524 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 04:11:49,530 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 04:11:49,530 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 04:11:49,530 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 04:11:49,531 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 04:11:49,531 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 04:11:49,532 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 04:11:49,532 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 04:11:49,533 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 04:11:49,534 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 04:11:49,537 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 04:11:49,537 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 04:11:49,537 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 04:11:49,538 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 04:11:49,538 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 04:11:49,538 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 04:11:49,539 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 04:11:49,540 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 04:11:49,547 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 04:11:49,572 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 04:11:49,573 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 04:11:49,573 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 04:11:49,573 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 04:11:49,574 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 04:11:49,574 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 04:11:49,575 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 04:11:49,575 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 04:11:49,575 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 04:11:49,575 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 04:11:49,576 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 04:11:49,576 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 04:11:49,576 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 04:11:49,576 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 04:11:49,576 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 04:11:49,584 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 04:11:49,584 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 04:11:49,584 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 04:11:49,585 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 04:11:49,585 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 04:11:49,585 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 04:11:49,585 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 04:11:49,585 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 04:11:49,585 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:11:49,586 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 04:11:49,586 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 04:11:49,586 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 04:11:49,586 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 04:11:49,586 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 04:11:49,586 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 04:11:49,587 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 04:11:49,587 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 04:11:49,587 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 04:11:49,587 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc38af6d85a1ea18be4ba0c188eed765e9a84460b9b23510e792660c4b3625d7 [2022-07-14 04:11:49,858 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 04:11:49,879 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 04:11:49,881 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 04:11:49,883 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 04:11:49,883 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 04:11:49,884 INFO L432 ainManager$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-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-07-14 04:11:49,931 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/188919a6e/968a530d05724af2aca33209ba97855c/FLAG00e3234d9 [2022-07-14 04:11:50,704 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 04:11:50,705 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-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-07-14 04:11:50,756 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/188919a6e/968a530d05724af2aca33209ba97855c/FLAG00e3234d9 [2022-07-14 04:11:51,009 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/188919a6e/968a530d05724af2aca33209ba97855c [2022-07-14 04:11:51,011 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 04:11:51,012 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 04:11:51,014 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 04:11:51,015 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 04:11:51,017 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 04:11:51,017 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:11:51" (1/1) ... [2022-07-14 04:11:51,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12738bf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:11:51, skipping insertion in model container [2022-07-14 04:11:51,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:11:51" (1/1) ... [2022-07-14 04:11:51,023 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 04:11:51,226 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 04:11:55,306 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-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552482,552495] [2022-07-14 04:11:55,323 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-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552651,552664] [2022-07-14 04:11:55,327 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-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552818,552831] [2022-07-14 04:11:55,327 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-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552986,552999] [2022-07-14 04:11:55,351 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:11:55,405 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 04:11:55,441 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 04:11:55,687 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-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552482,552495] [2022-07-14 04:11:55,687 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-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552651,552664] [2022-07-14 04:11:55,688 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-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552818,552831] [2022-07-14 04:11:55,688 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-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552986,552999] [2022-07-14 04:11:55,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:11:55,728 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 04:11:56,129 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-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552482,552495] [2022-07-14 04:11:56,129 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-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552651,552664] [2022-07-14 04:11:56,129 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-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552818,552831] [2022-07-14 04:11:56,143 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-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552986,552999] [2022-07-14 04:11:56,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:11:56,380 INFO L208 MainTranslator]: Completed translation [2022-07-14 04:11:56,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:11:56 WrapperNode [2022-07-14 04:11:56,381 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 04:11:56,382 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 04:11:56,382 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 04:11:56,382 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 04:11:56,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:11:56" (1/1) ... [2022-07-14 04:11:56,485 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:11:56" (1/1) ... [2022-07-14 04:11:56,678 INFO L137 Inliner]: procedures = 718, calls = 5887, calls flagged for inlining = 364, calls inlined = 322, statements flattened = 10549 [2022-07-14 04:11:56,678 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 04:11:56,679 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 04:11:56,679 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 04:11:56,679 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 04:11:56,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:11:56" (1/1) ... [2022-07-14 04:11:56,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:11:56" (1/1) ... [2022-07-14 04:11:56,722 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:11:56" (1/1) ... [2022-07-14 04:11:56,723 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:11:56" (1/1) ... [2022-07-14 04:11:56,837 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:11:56" (1/1) ... [2022-07-14 04:11:56,854 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:11:56" (1/1) ... [2022-07-14 04:11:56,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:11:56" (1/1) ... [2022-07-14 04:11:56,922 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 04:11:56,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 04:11:56,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 04:11:56,923 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 04:11:56,924 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:11:56" (1/1) ... [2022-07-14 04:11:56,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:11:56,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 04:11:56,944 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 04:11:56,959 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 04:11:57,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_93 [2022-07-14 04:11:57,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_93 [2022-07-14 04:11:57,088 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-07-14 04:11:57,088 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-07-14 04:11:57,088 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_irq_disable [2022-07-14 04:11:57,088 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_irq_disable [2022-07-14 04:11:57,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 04:11:57,088 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 04:11:57,088 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-07-14 04:11:57,088 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-07-14 04:11:57,088 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_80 [2022-07-14 04:11:57,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_80 [2022-07-14 04:11:57,089 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_intr [2022-07-14 04:11:57,089 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_intr [2022-07-14 04:11:57,089 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-14 04:11:57,089 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-14 04:11:57,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 04:11:57,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 04:11:57,089 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_minnow_platform_init [2022-07-14 04:11:57,089 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_minnow_platform_init [2022-07-14 04:11:57,089 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_open [2022-07-14 04:11:57,089 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_open [2022-07-14 04:11:57,089 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-07-14 04:11:57,089 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-07-14 04:11:57,089 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-14 04:11:57,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-14 04:11:57,089 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_reinit_locked [2022-07-14 04:11:57,089 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_reinit_locked [2022-07-14 04:11:57,089 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_up_phy [2022-07-14 04:11:57,089 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_up_phy [2022-07-14 04:11:57,090 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_tx_resources [2022-07-14 04:11:57,090 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_tx_resources [2022-07-14 04:11:57,090 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-14 04:11:57,090 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-14 04:11:57,090 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-14 04:11:57,090 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-14 04:11:57,090 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-14 04:11:57,090 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-14 04:11:57,090 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_netpoll [2022-07-14 04:11:57,090 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_netpoll [2022-07-14 04:11:57,090 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_plat_init_hw [2022-07-14 04:11:57,090 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_plat_init_hw [2022-07-14 04:11:57,090 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_rx_resources [2022-07-14 04:11:57,090 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_rx_resources [2022-07-14 04:11:57,090 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_tx_resources [2022-07-14 04:11:57,090 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_tx_resources [2022-07-14 04:11:57,090 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-07-14 04:11:57,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-07-14 04:11:57,090 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pch_gbe_exit_module_17_2 [2022-07-14 04:11:57,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pch_gbe_exit_module_17_2 [2022-07-14 04:11:57,091 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-07-14 04:11:57,091 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-07-14 04:11:57,091 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 04:11:57,091 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 04:11:57,091 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-14 04:11:57,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-14 04:11:57,091 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2022-07-14 04:11:57,091 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2022-07-14 04:11:57,091 INFO L130 BoogieDeclarations]: Found specification of procedure pch_set_station_address [2022-07-14 04:11:57,091 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_set_station_address [2022-07-14 04:11:57,091 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-14 04:11:57,091 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-14 04:11:57,091 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 04:11:57,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 04:11:57,091 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mdio_write [2022-07-14 04:11:57,091 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mdio_write [2022-07-14 04:11:57,091 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-07-14 04:11:57,091 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-07-14 04:11:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-07-14 04:11:57,092 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-07-14 04:11:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-14 04:11:57,092 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-14 04:11:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 04:11:57,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 04:11:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-07-14 04:11:57,092 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-07-14 04:11:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-07-14 04:11:57,092 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-07-14 04:11:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 04:11:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_power_up [2022-07-14 04:11:57,092 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_power_up [2022-07-14 04:11:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-07-14 04:11:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 04:11:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 04:11:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-14 04:11:57,092 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-14 04:11:57,092 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-14 04:11:57,093 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_resume [2022-07-14 04:11:57,093 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_resume [2022-07-14 04:11:57,093 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-14 04:11:57,093 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-14 04:11:57,093 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_event_write [2022-07-14 04:11:57,093 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_event_write [2022-07-14 04:11:57,093 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-07-14 04:11:57,093 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-07-14 04:11:57,093 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-07-14 04:11:57,093 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-07-14 04:11:57,093 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-14 04:11:57,093 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-14 04:11:57,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-07-14 04:11:57,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-07-14 04:11:57,093 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-14 04:11:57,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-14 04:11:57,093 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_enable_dma_rx [2022-07-14 04:11:57,093 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_enable_dma_rx [2022-07-14 04:11:57,094 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_configure_rx [2022-07-14 04:11:57,094 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_configure_rx [2022-07-14 04:11:57,094 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_wait_clr_bit [2022-07-14 04:11:57,094 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_wait_clr_bit [2022-07-14 04:11:57,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 04:11:57,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 04:11:57,094 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-14 04:11:57,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-14 04:11:57,094 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-07-14 04:11:57,094 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-07-14 04:11:57,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 04:11:57,094 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 04:11:57,094 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_remove [2022-07-14 04:11:57,094 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_remove [2022-07-14 04:11:57,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-14 04:11:57,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-14 04:11:57,094 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-07-14 04:11:57,094 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-07-14 04:11:57,094 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-14 04:11:57,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-14 04:11:57,095 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-14 04:11:57,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-14 04:11:57,095 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-07-14 04:11:57,095 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-07-14 04:11:57,095 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_force_mac_fc [2022-07-14 04:11:57,095 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_force_mac_fc [2022-07-14 04:11:57,096 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_suspend [2022-07-14 04:11:57,097 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_suspend [2022-07-14 04:11:57,097 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-07-14 04:11:57,097 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-07-14 04:11:57,097 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-07-14 04:11:57,097 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-07-14 04:11:57,097 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-14 04:11:57,097 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-14 04:11:57,097 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2022-07-14 04:11:57,097 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2022-07-14 04:11:57,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-14 04:11:57,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-14 04:11:57,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 04:11:57,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-14 04:11:57,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-14 04:11:57,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-07-14 04:11:57,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-07-14 04:11:57,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-14 04:11:57,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-14 04:11:57,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2022-07-14 04:11:57,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2022-07-14 04:11:57,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-07-14 04:11:57,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-07-14 04:11:57,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-07-14 04:11:57,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-07-14 04:11:57,099 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-14 04:11:57,099 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-14 04:11:57,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 04:11:57,100 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-14 04:11:57,100 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-14 04:11:57,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 04:11:57,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 04:11:57,100 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 04:11:57,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 04:11:57,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 04:11:57,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-14 04:11:57,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-14 04:11:57,101 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 04:11:57,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 04:11:57,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-14 04:11:57,101 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-07-14 04:11:57,101 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-07-14 04:11:57,101 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-07-14 04:11:57,101 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-07-14 04:11:57,101 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2022-07-14 04:11:57,102 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2022-07-14 04:11:57,102 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-14 04:11:57,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-14 04:11:57,102 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_set_wol_event [2022-07-14 04:11:57,102 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_set_wol_event [2022-07-14 04:11:57,102 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 04:11:57,102 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 04:11:57,102 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_ctrl_miim [2022-07-14 04:11:57,102 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_ctrl_miim [2022-07-14 04:11:57,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-14 04:11:57,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-14 04:11:57,103 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_get_regs_len [2022-07-14 04:11:57,103 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_get_regs_len [2022-07-14 04:11:57,103 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-14 04:11:57,103 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-14 04:11:57,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-14 04:11:57,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 04:11:57,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 04:11:57,104 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_alloc_rx_buffers [2022-07-14 04:11:57,104 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_alloc_rx_buffers [2022-07-14 04:11:57,104 INFO L130 BoogieDeclarations]: Found specification of procedure __pch_gbe_suspend [2022-07-14 04:11:57,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __pch_gbe_suspend [2022-07-14 04:11:57,104 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-07-14 04:11:57,104 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-07-14 04:11:57,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-14 04:11:57,104 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_plat_get_bus_info [2022-07-14 04:11:57,105 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_plat_get_bus_info [2022-07-14 04:11:57,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-07-14 04:11:57,105 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-07-14 04:11:57,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-14 04:11:57,105 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_power_down [2022-07-14 04:11:57,105 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_power_down [2022-07-14 04:11:57,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 04:11:57,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 04:11:57,105 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-14 04:11:57,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 04:11:57,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 04:11:57,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 04:11:57,106 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2022-07-14 04:11:57,106 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2022-07-14 04:11:57,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-14 04:11:57,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-14 04:11:57,106 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_update_stats [2022-07-14 04:11:57,106 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_update_stats [2022-07-14 04:11:57,107 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-14 04:11:57,107 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-14 04:11:57,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-07-14 04:11:57,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-07-14 04:11:57,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-14 04:11:57,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-14 04:11:57,107 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum [2022-07-14 04:11:57,107 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum [2022-07-14 04:11:57,108 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mdio_read [2022-07-14 04:11:57,108 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mdio_read [2022-07-14 04:11:57,108 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_clean_rx_ring [2022-07-14 04:11:57,108 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_clean_rx_ring [2022-07-14 04:11:57,108 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-07-14 04:11:57,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-07-14 04:11:57,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_pch_gbe_tx_ring [2022-07-14 04:11:57,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_pch_gbe_tx_ring [2022-07-14 04:11:57,108 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_up [2022-07-14 04:11:57,109 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_up [2022-07-14 04:11:57,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 04:11:57,109 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 04:11:57,109 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-14 04:11:57,109 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-14 04:11:57,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-14 04:11:57,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-14 04:11:57,109 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2022-07-14 04:11:57,110 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2022-07-14 04:11:57,110 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_clean_tx_ring [2022-07-14 04:11:57,110 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_clean_tx_ring [2022-07-14 04:11:57,110 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_reset [2022-07-14 04:11:57,110 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_reset [2022-07-14 04:11:57,110 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-14 04:11:57,110 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-14 04:11:57,110 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2022-07-14 04:11:57,111 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2022-07-14 04:11:57,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_14_2 [2022-07-14 04:11:57,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_14_2 [2022-07-14 04:11:57,111 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_stop [2022-07-14 04:11:57,111 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_stop [2022-07-14 04:11:57,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 04:11:57,111 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2022-07-14 04:11:57,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2022-07-14 04:11:57,111 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-14 04:11:57,112 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-14 04:11:57,112 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-14 04:11:57,112 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-14 04:11:57,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 04:11:57,112 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_io_resume [2022-07-14 04:11:57,112 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_io_resume [2022-07-14 04:11:57,112 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2022-07-14 04:11:57,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2022-07-14 04:11:57,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-14 04:11:57,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-14 04:11:57,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-14 04:11:57,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 04:11:57,113 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_event_read [2022-07-14 04:11:57,113 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_event_read [2022-07-14 04:11:57,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 04:11:57,113 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-07-14 04:11:57,113 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-07-14 04:11:57,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-14 04:11:57,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-14 04:11:57,114 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_nway_reset [2022-07-14 04:11:57,114 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_nway_reset [2022-07-14 04:11:57,114 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-07-14 04:11:57,114 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-07-14 04:11:57,114 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-14 04:11:57,114 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-14 04:11:57,114 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_irq_enable [2022-07-14 04:11:57,115 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_irq_enable [2022-07-14 04:11:57,115 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-14 04:11:57,115 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-14 04:11:57,115 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_hw_reset [2022-07-14 04:11:57,115 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_hw_reset [2022-07-14 04:11:57,115 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_tx_timeout [2022-07-14 04:11:57,115 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_tx_timeout [2022-07-14 04:11:57,115 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2022-07-14 04:11:57,115 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2022-07-14 04:11:57,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 04:11:57,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 04:11:57,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-14 04:11:57,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-14 04:11:57,116 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2022-07-14 04:11:57,116 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2022-07-14 04:11:57,116 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_down_phy [2022-07-14 04:11:57,116 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_down_phy [2022-07-14 04:11:57,116 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-14 04:11:57,117 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-14 04:11:57,117 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_mode [2022-07-14 04:11:57,117 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_mode [2022-07-14 04:11:57,117 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-14 04:11:57,117 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-14 04:11:57,117 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-14 04:11:57,117 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-14 04:11:57,117 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_rx_resources [2022-07-14 04:11:57,117 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_rx_resources [2022-07-14 04:11:57,118 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 04:11:57,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 04:11:57,118 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-14 04:11:57,118 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-14 04:11:57,118 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 04:11:57,118 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 04:11:57,118 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_validate_option [2022-07-14 04:11:57,118 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_validate_option [2022-07-14 04:11:57,118 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_reset_hw [2022-07-14 04:11:57,119 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_reset_hw [2022-07-14 04:11:57,119 INFO L130 BoogieDeclarations]: Found specification of procedure udp_hdr [2022-07-14 04:11:57,119 INFO L138 BoogieDeclarations]: Found implementation of procedure udp_hdr [2022-07-14 04:11:57,119 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_rctl [2022-07-14 04:11:57,119 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_rctl [2022-07-14 04:11:57,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-14 04:11:57,119 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_sw_reset [2022-07-14 04:11:57,119 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_sw_reset [2022-07-14 04:11:57,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-14 04:11:57,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-14 04:11:57,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-14 04:11:57,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 04:11:57,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 04:11:57,120 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_phy_hw_reset [2022-07-14 04:11:57,120 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_phy_hw_reset [2022-07-14 04:11:57,120 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_write_reg_miic [2022-07-14 04:11:57,120 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_write_reg_miic [2022-07-14 04:11:57,121 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-14 04:11:57,121 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-14 04:11:57,121 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-14 04:11:57,121 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-14 04:11:57,121 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_control_write [2022-07-14 04:11:57,121 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_control_write [2022-07-14 04:11:57,121 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_multi [2022-07-14 04:11:57,121 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_multi [2022-07-14 04:11:57,121 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_shutdown [2022-07-14 04:11:57,121 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_shutdown [2022-07-14 04:11:57,122 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-14 04:11:57,122 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-14 04:11:57,122 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-07-14 04:11:57,122 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-07-14 04:11:57,122 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_read_reg_miic [2022-07-14 04:11:57,122 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_read_reg_miic [2022-07-14 04:11:57,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_95 [2022-07-14 04:11:57,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_95 [2022-07-14 04:11:57,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 04:11:57,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 04:11:57,123 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_read_mac_addr [2022-07-14 04:11:57,123 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_read_mac_addr [2022-07-14 04:11:57,123 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_rgmii_ctrl [2022-07-14 04:11:57,123 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_rgmii_ctrl [2022-07-14 04:11:57,123 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2022-07-14 04:11:57,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2022-07-14 04:11:57,123 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_down [2022-07-14 04:11:57,124 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_down [2022-07-14 04:11:57,124 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_irq [2022-07-14 04:11:57,124 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_irq [2022-07-14 04:11:57,124 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_mar_set [2022-07-14 04:11:57,124 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_mar_set [2022-07-14 04:11:57,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-14 04:11:57,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-14 04:11:58,026 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 04:11:58,029 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 04:11:58,504 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 04:14:20,805 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-14 04:14:24,336 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 04:14:24,360 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 04:14:24,360 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-14 04:14:24,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:14:24 BoogieIcfgContainer [2022-07-14 04:14:24,365 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 04:14:24,380 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 04:14:24,380 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 04:14:24,382 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 04:14:24,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 04:11:51" (1/3) ... [2022-07-14 04:14:24,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4833be72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:14:24, skipping insertion in model container [2022-07-14 04:14:24,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:11:56" (2/3) ... [2022-07-14 04:14:24,384 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4833be72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:14:24, skipping insertion in model container [2022-07-14 04:14:24,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:14:24" (3/3) ... [2022-07-14 04:14:24,385 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-07-14 04:14:24,394 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 04:14:24,395 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-07-14 04:14:24,570 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 04:14:24,575 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@43cf9961, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@7c1949bd [2022-07-14 04:14:24,576 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-07-14 04:14:24,590 INFO L276 IsEmpty]: Start isEmpty. Operand has 3393 states, 2349 states have (on average 1.26990208599404) internal successors, (2983), 2393 states have internal predecessors, (2983), 870 states have call successors, (870), 172 states have call predecessors, (870), 171 states have return successors, (860), 844 states have call predecessors, (860), 860 states have call successors, (860) [2022-07-14 04:14:24,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2022-07-14 04:14:24,627 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:14:24,628 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:14:24,629 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-14 04:14:24,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:14:24,637 INFO L85 PathProgramCache]: Analyzing trace with hash 231902056, now seen corresponding path program 1 times [2022-07-14 04:14:24,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:14:24,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1847827029] [2022-07-14 04:14:24,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:14:24,653 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:14:24,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:14:24,655 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 04:14:24,656 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 04:14:28,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:14:28,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 4258 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:14:29,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:14:29,464 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 1890 trivial. 0 not checked. [2022-07-14 04:14:29,469 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:14:29,469 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:14:29,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1847827029] [2022-07-14 04:14:29,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1847827029] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:14:29,471 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:14:29,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:14:29,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242000034] [2022-07-14 04:14:29,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:14:29,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:14:29,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:14:29,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:14:29,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:14:29,535 INFO L87 Difference]: Start difference. First operand has 3393 states, 2349 states have (on average 1.26990208599404) internal successors, (2983), 2393 states have internal predecessors, (2983), 870 states have call successors, (870), 172 states have call predecessors, (870), 171 states have return successors, (860), 844 states have call predecessors, (860), 860 states have call successors, (860) Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-14 04:14:31,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:14:31,066 INFO L93 Difference]: Finished difference Result 9957 states and 14207 transitions. [2022-07-14 04:14:31,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:14:31,069 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 261 [2022-07-14 04:14:31,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:14:31,123 INFO L225 Difference]: With dead ends: 9957 [2022-07-14 04:14:31,123 INFO L226 Difference]: Without dead ends: 6593 [2022-07-14 04:14:31,150 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 259 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 04:14:31,155 INFO L413 NwaCegarLoop]: 5497 mSDtfsCounter, 4496 mSDsluCounter, 4623 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4496 SdHoareTripleChecker+Valid, 10120 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-14 04:14:31,156 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4496 Valid, 10120 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-14 04:14:31,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6593 states. [2022-07-14 04:14:31,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6593 to 6587. [2022-07-14 04:14:31,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6587 states, 4587 states have (on average 1.264442991061696) internal successors, (5800), 4671 states have internal predecessors, (5800), 1658 states have call successors, (1658), 339 states have call predecessors, (1658), 338 states have return successors, (1654), 1622 states have call predecessors, (1654), 1654 states have call successors, (1654) [2022-07-14 04:14:31,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6587 states to 6587 states and 9112 transitions. [2022-07-14 04:14:31,477 INFO L78 Accepts]: Start accepts. Automaton has 6587 states and 9112 transitions. Word has length 261 [2022-07-14 04:14:31,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:14:31,480 INFO L495 AbstractCegarLoop]: Abstraction has 6587 states and 9112 transitions. [2022-07-14 04:14:31,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-14 04:14:31,480 INFO L276 IsEmpty]: Start isEmpty. Operand 6587 states and 9112 transitions. [2022-07-14 04:14:31,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2022-07-14 04:14:31,486 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:14:31,487 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:14:31,574 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 04:14:31,715 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 04:14:31,716 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-14 04:14:31,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:14:31,716 INFO L85 PathProgramCache]: Analyzing trace with hash -1555219149, now seen corresponding path program 1 times [2022-07-14 04:14:31,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:14:31,719 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1357903449] [2022-07-14 04:14:31,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:14:31,720 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:14:31,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:14:31,736 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 04:14:31,775 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 04:14:35,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:14:36,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 4376 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:14:36,144 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:14:36,634 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 1890 trivial. 0 not checked. [2022-07-14 04:14:36,634 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:14:36,634 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:14:36,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1357903449] [2022-07-14 04:14:36,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1357903449] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:14:36,635 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:14:36,635 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:14:36,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986716346] [2022-07-14 04:14:36,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:14:36,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:14:36,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:14:36,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:14:36,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:14:36,637 INFO L87 Difference]: Start difference. First operand 6587 states and 9112 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-14 04:14:37,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:14:37,982 INFO L93 Difference]: Finished difference Result 16311 states and 22552 transitions. [2022-07-14 04:14:37,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:14:37,983 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 267 [2022-07-14 04:14:37,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:14:38,048 INFO L225 Difference]: With dead ends: 16311 [2022-07-14 04:14:38,048 INFO L226 Difference]: Without dead ends: 9771 [2022-07-14 04:14:38,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:14:38,077 INFO L413 NwaCegarLoop]: 5560 mSDtfsCounter, 4465 mSDsluCounter, 4617 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4465 SdHoareTripleChecker+Valid, 10177 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-14 04:14:38,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4465 Valid, 10177 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-14 04:14:38,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9771 states. [2022-07-14 04:14:38,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9771 to 9737. [2022-07-14 04:14:38,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9737 states, 6776 states have (on average 1.2629870129870129) internal successors, (8558), 6904 states have internal predecessors, (8558), 2449 states have call successors, (2449), 509 states have call predecessors, (2449), 508 states have return successors, (2445), 2392 states have call predecessors, (2445), 2445 states have call successors, (2445) [2022-07-14 04:14:38,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9737 states to 9737 states and 13452 transitions. [2022-07-14 04:14:38,602 INFO L78 Accepts]: Start accepts. Automaton has 9737 states and 13452 transitions. Word has length 267 [2022-07-14 04:14:38,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:14:38,606 INFO L495 AbstractCegarLoop]: Abstraction has 9737 states and 13452 transitions. [2022-07-14 04:14:38,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-14 04:14:38,607 INFO L276 IsEmpty]: Start isEmpty. Operand 9737 states and 13452 transitions. [2022-07-14 04:14:38,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-07-14 04:14:38,613 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:14:38,613 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:14:38,739 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-07-14 04:14:38,823 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 04:14:38,824 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-14 04:14:38,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:14:38,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1940313471, now seen corresponding path program 1 times [2022-07-14 04:14:38,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:14:38,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1284892231] [2022-07-14 04:14:38,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:14:38,829 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:14:38,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:14:38,830 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 04:14:38,831 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 04:14:43,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:14:43,382 INFO L263 TraceCheckSpWp]: Trace formula consists of 4399 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:14:43,387 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:14:43,783 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 1890 trivial. 0 not checked. [2022-07-14 04:14:43,783 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:14:43,783 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:14:43,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1284892231] [2022-07-14 04:14:43,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1284892231] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:14:43,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:14:43,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:14:43,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045000254] [2022-07-14 04:14:43,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:14:43,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:14:43,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:14:43,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:14:43,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:14:43,785 INFO L87 Difference]: Start difference. First operand 9737 states and 13452 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-14 04:14:44,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:14:44,713 INFO L93 Difference]: Finished difference Result 19205 states and 26507 transitions. [2022-07-14 04:14:44,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:14:44,714 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 269 [2022-07-14 04:14:44,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:14:44,838 INFO L225 Difference]: With dead ends: 19205 [2022-07-14 04:14:44,838 INFO L226 Difference]: Without dead ends: 9515 [2022-07-14 04:14:44,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:14:44,929 INFO L413 NwaCegarLoop]: 4561 mSDtfsCounter, 4459 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4459 SdHoareTripleChecker+Valid, 4649 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-14 04:14:44,930 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4459 Valid, 4649 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-14 04:14:44,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9515 states. [2022-07-14 04:14:45,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9515 to 9515. [2022-07-14 04:14:45,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9515 states, 6633 states have (on average 1.2620232172470978) internal successors, (8371), 6752 states have internal predecessors, (8371), 2375 states have call successors, (2375), 504 states have call predecessors, (2375), 503 states have return successors, (2371), 2321 states have call predecessors, (2371), 2371 states have call successors, (2371) [2022-07-14 04:14:45,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9515 states to 9515 states and 13117 transitions. [2022-07-14 04:14:45,240 INFO L78 Accepts]: Start accepts. Automaton has 9515 states and 13117 transitions. Word has length 269 [2022-07-14 04:14:45,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:14:45,241 INFO L495 AbstractCegarLoop]: Abstraction has 9515 states and 13117 transitions. [2022-07-14 04:14:45,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-14 04:14:45,241 INFO L276 IsEmpty]: Start isEmpty. Operand 9515 states and 13117 transitions. [2022-07-14 04:14:45,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2022-07-14 04:14:45,246 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:14:45,246 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:14:45,350 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 04:14:45,460 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 04:14:45,460 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-14 04:14:45,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:14:45,460 INFO L85 PathProgramCache]: Analyzing trace with hash -164154417, now seen corresponding path program 1 times [2022-07-14 04:14:45,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:14:45,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1187640221] [2022-07-14 04:14:45,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:14:45,464 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:14:45,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:14:45,468 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 04:14:45,515 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 04:14:49,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:14:49,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 4412 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:14:49,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:14:50,232 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 1890 trivial. 0 not checked. [2022-07-14 04:14:50,233 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:14:50,233 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:14:50,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1187640221] [2022-07-14 04:14:50,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1187640221] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:14:50,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:14:50,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:14:50,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895735214] [2022-07-14 04:14:50,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:14:50,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:14:50,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:14:50,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:14:50,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:14:50,234 INFO L87 Difference]: Start difference. First operand 9515 states and 13117 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-14 04:14:52,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:14:52,505 INFO L93 Difference]: Finished difference Result 27887 states and 38463 transitions. [2022-07-14 04:14:52,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:14:52,505 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 273 [2022-07-14 04:14:52,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:14:52,585 INFO L225 Difference]: With dead ends: 27887 [2022-07-14 04:14:52,585 INFO L226 Difference]: Without dead ends: 18440 [2022-07-14 04:14:52,630 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 271 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 04:14:52,633 INFO L413 NwaCegarLoop]: 5481 mSDtfsCounter, 4195 mSDsluCounter, 4447 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4195 SdHoareTripleChecker+Valid, 9928 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-14 04:14:52,634 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4195 Valid, 9928 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-14 04:14:52,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18440 states. [2022-07-14 04:14:53,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18440 to 18402. [2022-07-14 04:14:53,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18402 states, 12809 states have (on average 1.2585681942384261) internal successors, (16121), 13050 states have internal predecessors, (16121), 4591 states have call successors, (4591), 999 states have call predecessors, (4591), 998 states have return successors, (4587), 4478 states have call predecessors, (4587), 4587 states have call successors, (4587) [2022-07-14 04:14:53,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18402 states to 18402 states and 25299 transitions. [2022-07-14 04:14:53,682 INFO L78 Accepts]: Start accepts. Automaton has 18402 states and 25299 transitions. Word has length 273 [2022-07-14 04:14:53,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:14:53,683 INFO L495 AbstractCegarLoop]: Abstraction has 18402 states and 25299 transitions. [2022-07-14 04:14:53,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-14 04:14:53,684 INFO L276 IsEmpty]: Start isEmpty. Operand 18402 states and 25299 transitions. [2022-07-14 04:14:53,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2022-07-14 04:14:53,703 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:14:53,704 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:14:53,809 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 04:14:53,923 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 04:14:53,923 INFO L420 AbstractCegarLoop]: === Iteration 5 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-14 04:14:53,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:14:53,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1212971432, now seen corresponding path program 1 times [2022-07-14 04:14:54,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:14:54,152 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1349558110] [2022-07-14 04:14:54,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:14:54,153 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:14:54,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:14:54,158 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 04:14:54,184 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 04:14:58,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:14:58,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 4428 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:14:58,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:14:58,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 1890 trivial. 0 not checked. [2022-07-14 04:14:58,958 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:14:58,958 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:14:58,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1349558110] [2022-07-14 04:14:58,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1349558110] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:14:58,958 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:14:58,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:14:58,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830737800] [2022-07-14 04:14:58,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:14:58,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:14:58,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:14:58,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:14:58,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:14:58,960 INFO L87 Difference]: Start difference. First operand 18402 states and 25299 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-14 04:15:01,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:15:01,209 INFO L93 Difference]: Finished difference Result 50766 states and 69875 transitions. [2022-07-14 04:15:01,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:15:01,210 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 273 [2022-07-14 04:15:01,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:15:01,366 INFO L225 Difference]: With dead ends: 50766 [2022-07-14 04:15:01,367 INFO L226 Difference]: Without dead ends: 32432 [2022-07-14 04:15:01,524 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 271 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 04:15:01,525 INFO L413 NwaCegarLoop]: 5241 mSDtfsCounter, 3508 mSDsluCounter, 4434 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3508 SdHoareTripleChecker+Valid, 9675 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-14 04:15:01,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3508 Valid, 9675 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-14 04:15:01,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32432 states. [2022-07-14 04:15:02,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32432 to 32390. [2022-07-14 04:15:02,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32390 states, 22452 states have (on average 1.252984143951541) internal successors, (28132), 22877 states have internal predecessors, (28132), 8111 states have call successors, (8111), 1842 states have call predecessors, (8111), 1823 states have return successors, (8338), 7868 states have call predecessors, (8338), 8107 states have call successors, (8338) [2022-07-14 04:15:02,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32390 states to 32390 states and 44581 transitions. [2022-07-14 04:15:02,720 INFO L78 Accepts]: Start accepts. Automaton has 32390 states and 44581 transitions. Word has length 273 [2022-07-14 04:15:02,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:15:02,721 INFO L495 AbstractCegarLoop]: Abstraction has 32390 states and 44581 transitions. [2022-07-14 04:15:02,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-07-14 04:15:02,721 INFO L276 IsEmpty]: Start isEmpty. Operand 32390 states and 44581 transitions. [2022-07-14 04:15:02,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2022-07-14 04:15:02,729 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:15:02,730 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 21, 21, 21, 21, 21, 21, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:15:02,815 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Ended with exit code 0 [2022-07-14 04:15:02,943 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 04:15:02,944 INFO L420 AbstractCegarLoop]: === Iteration 6 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-14 04:15:02,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:15:02,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1143531245, now seen corresponding path program 1 times [2022-07-14 04:15:02,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:15:02,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1388033883] [2022-07-14 04:15:02,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:15:02,947 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:15:02,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:15:02,956 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 04:15:02,958 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 04:15:07,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:15:07,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 4445 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:15:07,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:15:08,050 INFO L134 CoverageAnalysis]: Checked inductivity of 2026 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1890 trivial. 0 not checked. [2022-07-14 04:15:08,051 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:15:08,051 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:15:08,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1388033883] [2022-07-14 04:15:08,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1388033883] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:15:08,051 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:15:08,051 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:15:08,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921625302] [2022-07-14 04:15:08,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:15:08,052 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:15:08,052 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:15:08,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:15:08,052 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:15:08,052 INFO L87 Difference]: Start difference. First operand 32390 states and 44581 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-14 04:15:09,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:15:09,862 INFO L93 Difference]: Finished difference Result 80599 states and 110839 transitions. [2022-07-14 04:15:09,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:15:09,863 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 298 [2022-07-14 04:15:09,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:15:10,201 INFO L225 Difference]: With dead ends: 80599 [2022-07-14 04:15:10,201 INFO L226 Difference]: Without dead ends: 48277 [2022-07-14 04:15:10,302 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 296 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:15:10,303 INFO L413 NwaCegarLoop]: 5561 mSDtfsCounter, 4356 mSDsluCounter, 4496 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4356 SdHoareTripleChecker+Valid, 10057 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-14 04:15:10,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4356 Valid, 10057 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-14 04:15:10,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48277 states. [2022-07-14 04:15:11,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48277 to 48229. [2022-07-14 04:15:12,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48229 states, 33446 states have (on average 1.2501046462955212) internal successors, (41811), 34104 states have internal predecessors, (41811), 12028 states have call successors, (12028), 2779 states have call predecessors, (12028), 2751 states have return successors, (12349), 11642 states have call predecessors, (12349), 12024 states have call successors, (12349) [2022-07-14 04:15:12,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48229 states to 48229 states and 66188 transitions. [2022-07-14 04:15:12,357 INFO L78 Accepts]: Start accepts. Automaton has 48229 states and 66188 transitions. Word has length 298 [2022-07-14 04:15:12,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:15:12,363 INFO L495 AbstractCegarLoop]: Abstraction has 48229 states and 66188 transitions. [2022-07-14 04:15:12,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-07-14 04:15:12,364 INFO L276 IsEmpty]: Start isEmpty. Operand 48229 states and 66188 transitions. [2022-07-14 04:15:12,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-07-14 04:15:12,392 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:15:12,392 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:15:12,484 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 04:15:12,593 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 04:15:12,594 INFO L420 AbstractCegarLoop]: === Iteration 7 === 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-14 04:15:12,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:15:12,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1261741797, now seen corresponding path program 1 times [2022-07-14 04:15:12,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:15:12,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [825065175] [2022-07-14 04:15:12,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:15:12,598 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:15:12,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:15:12,616 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 04:15:12,673 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 04:15:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:15:17,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 4618 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:15:17,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:15:17,679 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 1890 trivial. 0 not checked. [2022-07-14 04:15:17,679 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:15:17,679 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:15:17,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [825065175] [2022-07-14 04:15:17,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [825065175] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:15:17,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:15:17,680 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:15:17,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038348642] [2022-07-14 04:15:17,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:15:17,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:15:17,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:15:17,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:15:17,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:15:17,681 INFO L87 Difference]: Start difference. First operand 48229 states and 66188 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-07-14 04:15:20,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:15:20,844 INFO L93 Difference]: Finished difference Result 122851 states and 168224 transitions. [2022-07-14 04:15:20,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:15:20,845 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 306 [2022-07-14 04:15:20,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:15:21,450 INFO L225 Difference]: With dead ends: 122851 [2022-07-14 04:15:21,451 INFO L226 Difference]: Without dead ends: 74690 [2022-07-14 04:15:21,624 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 304 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 04:15:21,625 INFO L413 NwaCegarLoop]: 7511 mSDtfsCounter, 3659 mSDsluCounter, 4467 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3659 SdHoareTripleChecker+Valid, 11978 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-14 04:15:21,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3659 Valid, 11978 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-14 04:15:21,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74690 states. [2022-07-14 04:15:23,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74690 to 74628. [2022-07-14 04:15:23,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74628 states, 51761 states have (on average 1.2448368462742219) internal successors, (64434), 52804 states have internal predecessors, (64434), 18427 states have call successors, (18427), 4495 states have call predecessors, (18427), 4436 states have return successors, (18919), 17788 states have call predecessors, (18919), 18423 states have call successors, (18919) [2022-07-14 04:15:24,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74628 states to 74628 states and 101780 transitions. [2022-07-14 04:15:24,612 INFO L78 Accepts]: Start accepts. Automaton has 74628 states and 101780 transitions. Word has length 306 [2022-07-14 04:15:24,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:15:24,614 INFO L495 AbstractCegarLoop]: Abstraction has 74628 states and 101780 transitions. [2022-07-14 04:15:24,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-07-14 04:15:24,615 INFO L276 IsEmpty]: Start isEmpty. Operand 74628 states and 101780 transitions. [2022-07-14 04:15:24,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2022-07-14 04:15:24,641 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:15:24,641 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 21, 21, 21, 21, 21, 21, 4, 4, 4, 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] [2022-07-14 04:15:24,788 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 04:15:24,859 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 04:15:24,859 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-14 04:15:24,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:15:24,860 INFO L85 PathProgramCache]: Analyzing trace with hash -655015660, now seen corresponding path program 1 times [2022-07-14 04:15:24,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:15:24,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2117876638] [2022-07-14 04:15:24,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:15:24,865 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:15:24,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:15:24,866 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 04:15:24,868 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 04:15:29,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:15:29,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 4386 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:15:29,477 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:15:29,913 INFO L134 CoverageAnalysis]: Checked inductivity of 2196 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 2100 trivial. 0 not checked. [2022-07-14 04:15:29,913 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:15:29,913 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:15:29,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2117876638] [2022-07-14 04:15:29,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2117876638] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:15:29,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:15:29,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:15:29,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397449473] [2022-07-14 04:15:29,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:15:29,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:15:29,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:15:29,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:15:29,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:15:29,915 INFO L87 Difference]: Start difference. First operand 74628 states and 101780 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-07-14 04:15:34,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:15:34,830 INFO L93 Difference]: Finished difference Result 221122 states and 301635 transitions. [2022-07-14 04:15:34,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:15:34,831 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 321 [2022-07-14 04:15:34,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:15:35,606 INFO L225 Difference]: With dead ends: 221122 [2022-07-14 04:15:35,607 INFO L226 Difference]: Without dead ends: 146814 [2022-07-14 04:15:36,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 320 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:15:36,264 INFO L413 NwaCegarLoop]: 6284 mSDtfsCounter, 4326 mSDsluCounter, 4508 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4326 SdHoareTripleChecker+Valid, 10792 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-14 04:15:36,264 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4326 Valid, 10792 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-14 04:15:36,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146814 states. [2022-07-14 04:15:41,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146814 to 146808. [2022-07-14 04:15:41,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146808 states, 101932 states have (on average 1.2439077031746655) internal successors, (126794), 103839 states have internal predecessors, (126794), 36127 states have call successors, (36127), 8846 states have call predecessors, (36127), 8745 states have return successors, (37115), 35042 states have call predecessors, (37115), 36123 states have call successors, (37115) [2022-07-14 04:15:42,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146808 states to 146808 states and 200036 transitions. [2022-07-14 04:15:42,603 INFO L78 Accepts]: Start accepts. Automaton has 146808 states and 200036 transitions. Word has length 321 [2022-07-14 04:15:42,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:15:42,605 INFO L495 AbstractCegarLoop]: Abstraction has 146808 states and 200036 transitions. [2022-07-14 04:15:42,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2022-07-14 04:15:42,606 INFO L276 IsEmpty]: Start isEmpty. Operand 146808 states and 200036 transitions. [2022-07-14 04:15:42,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2022-07-14 04:15:42,609 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:15:42,610 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 21, 21, 21, 21, 21, 21, 4, 4, 4, 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] [2022-07-14 04:15:42,695 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 04:15:42,835 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 04:15:42,835 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-14 04:15:42,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:15:42,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1268212374, now seen corresponding path program 1 times [2022-07-14 04:15:42,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:15:42,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [732202162] [2022-07-14 04:15:42,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:15:42,839 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:15:42,839 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:15:42,841 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 04:15:42,842 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 04:15:46,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:15:46,971 INFO L263 TraceCheckSpWp]: Trace formula consists of 4386 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:15:46,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:15:53,831 INFO L134 CoverageAnalysis]: Checked inductivity of 2196 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2196 trivial. 0 not checked. [2022-07-14 04:15:53,832 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:15:53,832 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:15:53,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [732202162] [2022-07-14 04:15:53,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [732202162] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:15:53,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:15:53,832 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-14 04:15:53,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048736114] [2022-07-14 04:15:53,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:15:53,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-14 04:15:53,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:15:53,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-14 04:15:53,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-14 04:15:53,833 INFO L87 Difference]: Start difference. First operand 146808 states and 200036 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2022-07-14 04:15:57,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:15:57,430 INFO L93 Difference]: Finished difference Result 146814 states and 200041 transitions. [2022-07-14 04:15:57,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-14 04:15:57,431 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 321 [2022-07-14 04:15:57,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:15:58,357 INFO L225 Difference]: With dead ends: 146814 [2022-07-14 04:15:58,358 INFO L226 Difference]: Without dead ends: 146812 [2022-07-14 04:15:58,438 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 317 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 04:15:58,440 INFO L413 NwaCegarLoop]: 4538 mSDtfsCounter, 4420 mSDsluCounter, 9059 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4421 SdHoareTripleChecker+Valid, 13597 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-14 04:15:58,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4421 Valid, 13597 Invalid, 25 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-14 04:15:58,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146812 states. [2022-07-14 04:16:03,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146812 to 146812. [2022-07-14 04:16:03,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146812 states, 101935 states have (on average 1.2439005248442636) internal successors, (126797), 103842 states have internal predecessors, (126797), 36127 states have call successors, (36127), 8847 states have call predecessors, (36127), 8746 states have return successors, (37115), 35042 states have call predecessors, (37115), 36123 states have call successors, (37115) [2022-07-14 04:16:04,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146812 states to 146812 states and 200039 transitions. [2022-07-14 04:16:04,856 INFO L78 Accepts]: Start accepts. Automaton has 146812 states and 200039 transitions. Word has length 321 [2022-07-14 04:16:04,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:16:04,856 INFO L495 AbstractCegarLoop]: Abstraction has 146812 states and 200039 transitions. [2022-07-14 04:16:04,857 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 3 states have internal predecessors, (70), 1 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2022-07-14 04:16:04,857 INFO L276 IsEmpty]: Start isEmpty. Operand 146812 states and 200039 transitions. [2022-07-14 04:16:04,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2022-07-14 04:16:04,860 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:16:04,860 INFO L195 NwaCegarLoop]: trace histogram [25, 25, 21, 21, 21, 21, 21, 21, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:16:04,944 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-07-14 04:16:05,076 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 04:16:05,077 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-07-14 04:16:05,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:16:05,077 INFO L85 PathProgramCache]: Analyzing trace with hash 375010989, now seen corresponding path program 1 times [2022-07-14 04:16:05,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:16:05,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [946751427] [2022-07-14 04:16:05,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:16:05,081 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:16:05,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:16:05,104 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 04:16:05,148 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 04:16:09,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:16:09,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 4393 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-14 04:16:09,513 INFO L286 TraceCheckSpWp]: Computing forward predicates...