./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-atheros-alx-alx.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.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 05e3ebea4820703b3259b4b6dd440513670562ea5166f99f8e3aabd0be2e3f32 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 03:28:35,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 03:28:35,651 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 03:28:35,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 03:28:35,702 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 03:28:35,704 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 03:28:35,705 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 03:28:35,707 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 03:28:35,708 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 03:28:35,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 03:28:35,715 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 03:28:35,718 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 03:28:35,719 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 03:28:35,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 03:28:35,722 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 03:28:35,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 03:28:35,725 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 03:28:35,727 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 03:28:35,730 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 03:28:35,739 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 03:28:35,742 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 03:28:35,743 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 03:28:35,744 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 03:28:35,748 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 03:28:35,751 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 03:28:35,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 03:28:35,760 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 03:28:35,760 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 03:28:35,762 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 03:28:35,762 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 03:28:35,764 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 03:28:35,764 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 03:28:35,766 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 03:28:35,766 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 03:28:35,767 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 03:28:35,768 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 03:28:35,768 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 03:28:35,769 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 03:28:35,769 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 03:28:35,769 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 03:28:35,771 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 03:28:35,773 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 03:28:35,774 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 03:28:35,815 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 03:28:35,816 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 03:28:35,816 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 03:28:35,816 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 03:28:35,817 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 03:28:35,817 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 03:28:35,818 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 03:28:35,818 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 03:28:35,818 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 03:28:35,819 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 03:28:35,820 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 03:28:35,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 03:28:35,821 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 03:28:35,821 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 03:28:35,822 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 03:28:35,822 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 03:28:35,822 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 03:28:35,822 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 03:28:35,822 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 03:28:35,824 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 03:28:35,824 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 03:28:35,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:28:35,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 03:28:35,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 03:28:35,825 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 03:28:35,825 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 03:28:35,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 03:28:35,826 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 03:28:35,826 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 03:28:35,826 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 03:28:35,826 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05e3ebea4820703b3259b4b6dd440513670562ea5166f99f8e3aabd0be2e3f32 [2022-07-20 03:28:36,064 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 03:28:36,086 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 03:28:36,088 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 03:28:36,090 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 03:28:36,090 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 03:28:36,092 INFO L432 ainManager$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-atheros-alx-alx.cil.i [2022-07-20 03:28:36,167 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cd0047d7/8388417a5f3f49a7b0b1c6b0ebb2c382/FLAG61c36c6b3 [2022-07-20 03:28:37,033 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 03:28:37,034 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-atheros-alx-alx.cil.i [2022-07-20 03:28:37,110 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cd0047d7/8388417a5f3f49a7b0b1c6b0ebb2c382/FLAG61c36c6b3 [2022-07-20 03:28:37,180 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2cd0047d7/8388417a5f3f49a7b0b1c6b0ebb2c382 [2022-07-20 03:28:37,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 03:28:37,184 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 03:28:37,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 03:28:37,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 03:28:37,189 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 03:28:37,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:28:37" (1/1) ... [2022-07-20 03:28:37,191 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eb18fec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:28:37, skipping insertion in model container [2022-07-20 03:28:37,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:28:37" (1/1) ... [2022-07-20 03:28:37,197 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 03:28:37,387 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 03:28:42,968 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-atheros-alx-alx.cil.i[460236,460249] [2022-07-20 03:28:42,972 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-atheros-alx-alx.cil.i[460405,460418] [2022-07-20 03:28:42,973 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-atheros-alx-alx.cil.i[460572,460585] [2022-07-20 03:28:42,980 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-atheros-alx-alx.cil.i[460740,460753] [2022-07-20 03:28:43,025 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:28:43,124 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 03:28:43,532 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: phy_val = (unsigned int )phy_val & 65027U [15350] 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:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1650) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) 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:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) 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:1627) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1081) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:334) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1470) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:289) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:601) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainDispatcher.dispatch(MainDispatcher.java:270) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.performMainRun(MainTranslator.java:244) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:206) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-07-20 03:28:43,554 INFO L158 Benchmark]: Toolchain (without parser) took 6369.20ms. Allocated memory was 88.1MB in the beginning and 176.2MB in the end (delta: 88.1MB). Free memory was 50.4MB in the beginning and 74.3MB in the end (delta: -23.9MB). Peak memory consumption was 89.6MB. Max. memory is 16.1GB. [2022-07-20 03:28:43,556 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 88.1MB. Free memory was 57.7MB in the beginning and 57.7MB in the end (delta: 31.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-20 03:28:43,557 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6366.85ms. Allocated memory was 88.1MB in the beginning and 176.2MB in the end (delta: 88.1MB). Free memory was 50.1MB in the beginning and 74.3MB in the end (delta: -24.3MB). Peak memory consumption was 87.5MB. Max. memory is 16.1GB. [2022-07-20 03:28:43,559 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 88.1MB. Free memory was 57.7MB in the beginning and 57.7MB in the end (delta: 31.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6366.85ms. Allocated memory was 88.1MB in the beginning and 176.2MB in the end (delta: 88.1MB). Free memory was 50.1MB in the beginning and 74.3MB in the end (delta: -24.3MB). Peak memory consumption was 87.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: TypeCheckException: Type check failed for C: phy_val = (unsigned int )phy_val & 65027U [15350] de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: TypeCheckException: Type check failed for C: phy_val = (unsigned int )phy_val & 65027U [15350]: 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-atheros-alx-alx.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 05e3ebea4820703b3259b4b6dd440513670562ea5166f99f8e3aabd0be2e3f32 --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 03:28:45,427 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 03:28:45,430 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 03:28:45,486 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 03:28:45,487 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 03:28:45,489 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 03:28:45,493 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 03:28:45,496 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 03:28:45,498 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 03:28:45,503 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 03:28:45,505 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 03:28:45,507 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 03:28:45,507 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 03:28:45,510 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 03:28:45,511 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 03:28:45,518 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 03:28:45,519 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 03:28:45,521 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 03:28:45,522 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 03:28:45,530 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 03:28:45,532 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 03:28:45,532 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 03:28:45,535 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 03:28:45,536 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 03:28:45,538 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 03:28:45,541 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 03:28:45,541 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 03:28:45,542 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 03:28:45,542 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 03:28:45,543 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 03:28:45,544 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 03:28:45,544 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 03:28:45,546 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 03:28:45,547 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 03:28:45,548 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 03:28:45,549 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 03:28:45,549 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 03:28:45,550 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 03:28:45,550 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 03:28:45,550 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 03:28:45,551 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 03:28:45,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 03:28:45,558 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-20 03:28:45,593 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 03:28:45,594 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 03:28:45,594 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 03:28:45,594 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 03:28:45,595 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 03:28:45,595 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 03:28:45,596 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 03:28:45,596 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 03:28:45,596 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 03:28:45,597 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 03:28:45,597 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 03:28:45,597 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 03:28:45,598 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 03:28:45,598 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 03:28:45,598 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-20 03:28:45,598 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-20 03:28:45,598 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-20 03:28:45,599 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 03:28:45,599 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 03:28:45,599 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 03:28:45,599 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 03:28:45,599 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 03:28:45,600 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 03:28:45,600 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:28:45,600 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 03:28:45,600 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 03:28:45,600 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 03:28:45,600 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-20 03:28:45,601 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-20 03:28:45,601 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 03:28:45,601 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 03:28:45,601 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 03:28:45,601 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-20 03:28:45,602 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05e3ebea4820703b3259b4b6dd440513670562ea5166f99f8e3aabd0be2e3f32 [2022-07-20 03:28:45,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 03:28:45,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 03:28:45,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 03:28:45,964 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 03:28:45,964 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 03:28:45,966 INFO L432 ainManager$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-atheros-alx-alx.cil.i [2022-07-20 03:28:46,031 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de36afcc7/ff65e410c6ba4d0698a225a05f47214e/FLAGe75f68d74 [2022-07-20 03:28:46,898 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 03:28:46,899 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-atheros-alx-alx.cil.i [2022-07-20 03:28:46,966 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de36afcc7/ff65e410c6ba4d0698a225a05f47214e/FLAGe75f68d74 [2022-07-20 03:28:47,417 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/de36afcc7/ff65e410c6ba4d0698a225a05f47214e [2022-07-20 03:28:47,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 03:28:47,421 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 03:28:47,423 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 03:28:47,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 03:28:47,426 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 03:28:47,427 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:28:47" (1/1) ... [2022-07-20 03:28:47,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19df06fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:28:47, skipping insertion in model container [2022-07-20 03:28:47,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 03:28:47" (1/1) ... [2022-07-20 03:28:47,436 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 03:28:47,620 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 03:28:52,659 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460236,460249] [2022-07-20 03:28:52,662 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-atheros-alx-alx.cil.i[460405,460418] [2022-07-20 03:28:52,663 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-atheros-alx-alx.cil.i[460572,460585] [2022-07-20 03:28:52,664 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-atheros-alx-alx.cil.i[460740,460753] [2022-07-20 03:28:52,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:28:52,771 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-20 03:28:52,856 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 03:28:53,185 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-atheros-alx-alx.cil.i[460236,460249] [2022-07-20 03:28:53,199 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-atheros-alx-alx.cil.i[460405,460418] [2022-07-20 03:28:53,200 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-atheros-alx-alx.cil.i[460572,460585] [2022-07-20 03:28:53,201 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-atheros-alx-alx.cil.i[460740,460753] [2022-07-20 03:28:53,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:28:53,268 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 03:28:53,800 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-atheros-alx-alx.cil.i[460236,460249] [2022-07-20 03:28:53,815 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-atheros-alx-alx.cil.i[460405,460418] [2022-07-20 03:28:53,816 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-atheros-alx-alx.cil.i[460572,460585] [2022-07-20 03:28:53,817 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-atheros-alx-alx.cil.i[460740,460753] [2022-07-20 03:28:53,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 03:28:54,200 INFO L208 MainTranslator]: Completed translation [2022-07-20 03:28:54,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:28:54 WrapperNode [2022-07-20 03:28:54,201 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 03:28:54,202 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 03:28:54,203 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 03:28:54,203 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 03:28:54,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:28:54" (1/1) ... [2022-07-20 03:28:54,351 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:28:54" (1/1) ... [2022-07-20 03:28:54,606 INFO L137 Inliner]: procedures = 690, calls = 4362, calls flagged for inlining = 337, calls inlined = 299, statements flattened = 8284 [2022-07-20 03:28:54,607 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 03:28:54,611 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 03:28:54,612 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 03:28:54,612 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 03:28:54,621 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:28:54" (1/1) ... [2022-07-20 03:28:54,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:28:54" (1/1) ... [2022-07-20 03:28:54,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:28:54" (1/1) ... [2022-07-20 03:28:54,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:28:54" (1/1) ... [2022-07-20 03:28:54,820 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:28:54" (1/1) ... [2022-07-20 03:28:54,854 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:28:54" (1/1) ... [2022-07-20 03:28:54,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:28:54" (1/1) ... [2022-07-20 03:28:54,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 03:28:54,953 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 03:28:54,953 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 03:28:54,953 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 03:28:54,955 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:28:54" (1/1) ... [2022-07-20 03:28:54,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 03:28:54,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 03:28:55,101 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-20 03:28:55,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-20 03:28:55,149 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-07-20 03:28:55,149 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-07-20 03:28:55,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 03:28:55,150 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 03:28:55,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2022-07-20 03:28:55,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2022-07-20 03:28:55,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_80 [2022-07-20 03:28:55,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_80 [2022-07-20 03:28:55,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 03:28:55,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 03:28:55,151 INFO L130 BoogieDeclarations]: Found specification of procedure alx_halt [2022-07-20 03:28:55,151 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_halt [2022-07-20 03:28:55,151 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_txbuf [2022-07-20 03:28:55,151 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_txbuf [2022-07-20 03:28:55,151 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2022-07-20 03:28:55,151 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2022-07-20 03:28:55,151 INFO L130 BoogieDeclarations]: Found specification of procedure alx_suspend [2022-07-20 03:28:55,152 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_suspend [2022-07-20 03:28:55,152 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_read_phy_reg [2022-07-20 03:28:55,152 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_read_phy_reg [2022-07-20 03:28:55,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-20 03:28:55,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-20 03:28:55,153 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-20 03:28:55,153 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-20 03:28:55,153 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_reg [2022-07-20 03:28:55,153 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_reg [2022-07-20 03:28:55,153 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-20 03:28:55,153 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-20 03:28:55,154 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-20 03:28:55,154 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-20 03:28:55,154 INFO L130 BoogieDeclarations]: Found specification of procedure alx_pci_error_resume [2022-07-20 03:28:55,154 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_pci_error_resume [2022-07-20 03:28:55,154 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tx_timeout [2022-07-20 03:28:55,154 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tx_timeout [2022-07-20 03:28:55,154 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_enable [2022-07-20 03:28:55,155 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_enable [2022-07-20 03:28:55,155 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 03:28:55,155 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 03:28:55,155 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem16 [2022-07-20 03:28:55,156 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem16 [2022-07-20 03:28:55,156 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-20 03:28:55,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-20 03:28:55,157 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_disable [2022-07-20 03:28:55,158 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_disable [2022-07-20 03:28:55,158 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-20 03:28:55,158 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-20 03:28:55,158 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 03:28:55,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 03:28:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-20 03:28:55,159 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-20 03:28:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-20 03:28:55,159 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-20 03:28:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure alx_activate [2022-07-20 03:28:55,159 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_activate [2022-07-20 03:28:55,159 INFO L130 BoogieDeclarations]: Found specification of procedure alx_remove [2022-07-20 03:28:55,160 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_remove [2022-07-20 03:28:55,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 03:28:55,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 03:28:55,160 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_msi [2022-07-20 03:28:55,160 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_msi [2022-07-20 03:28:55,161 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-07-20 03:28:55,161 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-07-20 03:28:55,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 03:28:55,161 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-20 03:28:55,162 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-20 03:28:55,162 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_write [2022-07-20 03:28:55,162 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_write [2022-07-20 03:28:55,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-20 03:28:55,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-20 03:28:55,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-20 03:28:55,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_62 [2022-07-20 03:28:55,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_62 [2022-07-20 03:28:55,163 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-20 03:28:55,163 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-20 03:28:55,164 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-20 03:28:55,164 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-20 03:28:55,164 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_reg [2022-07-20 03:28:55,164 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_reg [2022-07-20 03:28:55,164 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2022-07-20 03:28:55,165 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_ext [2022-07-20 03:28:55,165 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_ext [2022-07-20 03:28:55,165 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-20 03:28:55,165 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-20 03:28:55,165 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-20 03:28:55,165 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-20 03:28:55,166 INFO L130 BoogieDeclarations]: Found specification of procedure ethadv_to_hw_cfg [2022-07-20 03:28:55,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ethadv_to_hw_cfg [2022-07-20 03:28:55,166 INFO L130 BoogieDeclarations]: Found specification of procedure alx_stop [2022-07-20 03:28:55,166 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_stop [2022-07-20 03:28:55,166 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-20 03:28:55,166 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-20 03:28:55,166 INFO L130 BoogieDeclarations]: Found specification of procedure alx_resume [2022-07-20 03:28:55,167 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_resume [2022-07-20 03:28:55,167 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-20 03:28:55,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-20 03:28:55,167 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_link_check [2022-07-20 03:28:55,167 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_link_check [2022-07-20 03:28:55,168 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 03:28:55,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 03:28:55,168 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-20 03:28:55,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-20 03:28:55,169 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-20 03:28:55,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-20 03:28:55,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-20 03:28:55,171 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-20 03:28:55,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-20 03:28:55,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-20 03:28:55,172 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_open [2022-07-20 03:28:55,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_open [2022-07-20 03:28:55,173 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_core [2022-07-20 03:28:55,173 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_core [2022-07-20 03:28:55,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-20 03:28:55,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-20 03:28:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-20 03:28:55,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-20 03:28:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure alx_update_hw_stats [2022-07-20 03:28:55,180 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_update_hw_stats [2022-07-20 03:28:55,180 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem32 [2022-07-20 03:28:55,180 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem32 [2022-07-20 03:28:55,180 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-20 03:28:55,180 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-20 03:28:55,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-20 03:28:55,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-20 03:28:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 03:28:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-20 03:28:55,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-20 03:28:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-20 03:28:55,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-20 03:28:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-07-20 03:28:55,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-07-20 03:28:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_dbg [2022-07-20 03:28:55,182 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_dbg [2022-07-20 03:28:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-20 03:28:55,182 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-20 03:28:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure alx_netif_stop [2022-07-20 03:28:55,182 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_netif_stop [2022-07-20 03:28:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 03:28:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-20 03:28:55,182 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-20 03:28:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 03:28:55,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 03:28:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-20 03:28:55,183 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-20 03:28:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 03:28:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-20 03:28:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_giga [2022-07-20 03:28:55,184 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_giga [2022-07-20 03:28:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-20 03:28:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure alx_poll_controller [2022-07-20 03:28:55,184 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_poll_controller [2022-07-20 03:28:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-20 03:28:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_pcie [2022-07-20 03:28:55,185 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_pcie [2022-07-20 03:28:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 03:28:55,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-20 03:28:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-20 03:28:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-07-20 03:28:55,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-07-20 03:28:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2022-07-20 03:28:55,185 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2022-07-20 03:28:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_reset [2022-07-20 03:28:55,186 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_reset [2022-07-20 03:28:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_legacy [2022-07-20 03:28:55,186 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_legacy [2022-07-20 03:28:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure alx_refill_rx_ring [2022-07-20 03:28:55,186 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_refill_rx_ring [2022-07-20 03:28:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_dbg [2022-07-20 03:28:55,186 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_dbg [2022-07-20 03:28:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-20 03:28:55,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-20 03:28:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-20 03:28:55,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-20 03:28:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-20 03:28:55,187 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-20 03:28:55,187 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-20 03:28:55,188 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-20 03:28:55,189 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_macaddr [2022-07-20 03:28:55,189 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_macaddr [2022-07-20 03:28:55,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-20 03:28:55,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-20 03:28:55,189 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2022-07-20 03:28:55,190 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2022-07-20 03:28:55,190 INFO L130 BoogieDeclarations]: Found specification of procedure alx_speed_to_ethadv [2022-07-20 03:28:55,190 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_speed_to_ethadv [2022-07-20 03:28:55,190 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-20 03:28:55,190 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-20 03:28:55,190 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-20 03:28:55,190 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_rings [2022-07-20 03:28:55,190 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_rings [2022-07-20 03:28:55,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 03:28:55,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 03:28:55,191 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-20 03:28:55,191 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-20 03:28:55,191 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2022-07-20 03:28:55,191 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2022-07-20 03:28:55,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-20 03:28:55,191 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-20 03:28:55,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-20 03:28:55,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-20 03:28:55,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-20 03:28:55,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-20 03:28:55,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 03:28:55,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 03:28:55,192 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2022-07-20 03:28:55,192 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2022-07-20 03:28:55,193 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-20 03:28:55,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-20 03:28:55,193 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-20 03:28:55,193 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-20 03:28:55,193 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-20 03:28:55,193 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-20 03:28:55,193 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-20 03:28:55,193 INFO L130 BoogieDeclarations]: Found specification of procedure alx_open [2022-07-20 03:28:55,194 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_open [2022-07-20 03:28:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-07-20 03:28:55,194 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-07-20 03:28:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-20 03:28:55,194 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-20 03:28:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_with_cr [2022-07-20 03:28:55,194 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_with_cr [2022-07-20 03:28:55,194 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-20 03:28:55,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-20 03:28:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2022-07-20 03:28:55,195 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2022-07-20 03:28:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure alx_get_supported_speeds [2022-07-20 03:28:55,195 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_get_supported_speeds [2022-07-20 03:28:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-20 03:28:55,195 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-20 03:28:55,195 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_macaddr [2022-07-20 03:28:55,197 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_macaddr [2022-07-20 03:28:55,199 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_mem32 [2022-07-20 03:28:55,200 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_mem32 [2022-07-20 03:28:55,200 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-07-20 03:28:55,200 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-07-20 03:28:55,200 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-20 03:28:55,200 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-20 03:28:55,200 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-20 03:28:55,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-20 03:28:55,200 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-07-20 03:28:55,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-07-20 03:28:55,202 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-20 03:28:55,202 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-20 03:28:55,202 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-20 03:28:55,202 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-20 03:28:55,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 03:28:55,202 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-20 03:28:55,202 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-20 03:28:55,202 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit_rings [2022-07-20 03:28:55,203 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit_rings [2022-07-20 03:28:55,203 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_reg [2022-07-20 03:28:55,203 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_reg [2022-07-20 03:28:55,203 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-20 03:28:55,203 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-20 03:28:55,203 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_buffers [2022-07-20 03:28:55,203 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_buffers [2022-07-20 03:28:55,203 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-20 03:28:55,204 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-20 03:28:55,204 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 03:28:55,204 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_lock_of_alx_priv [2022-07-20 03:28:55,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_lock_of_alx_priv [2022-07-20 03:28:55,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-20 03:28:55,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-20 03:28:55,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-20 03:28:55,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-20 03:28:55,205 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 03:28:55,205 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_mdio_idle [2022-07-20 03:28:55,205 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_mdio_idle [2022-07-20 03:28:55,205 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-20 03:28:55,205 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-20 03:28:55,205 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_handle [2022-07-20 03:28:55,205 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_handle [2022-07-20 03:28:55,205 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-20 03:28:55,205 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-20 03:28:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-20 03:28:55,206 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-20 03:28:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-20 03:28:55,206 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-20 03:28:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-07-20 03:28:55,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-07-20 03:28:55,206 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 03:28:55,206 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 03:28:55,207 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-20 03:28:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-20 03:28:55,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2022-07-20 03:28:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2022-07-20 03:28:55,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_88 [2022-07-20 03:28:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_88 [2022-07-20 03:28:55,207 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2022-07-20 03:28:55,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2022-07-20 03:28:55,207 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-20 03:28:55,208 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-20 03:28:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-20 03:28:55,208 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-20 03:28:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_63 [2022-07-20 03:28:55,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_63 [2022-07-20 03:28:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-20 03:28:55,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-20 03:28:55,208 INFO L130 BoogieDeclarations]: Found specification of procedure alx_is_rev_a [2022-07-20 03:28:55,209 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_is_rev_a [2022-07-20 03:28:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-20 03:28:55,209 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-20 03:28:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_core [2022-07-20 03:28:55,209 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_core [2022-07-20 03:28:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 03:28:55,209 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 03:28:55,209 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_ext [2022-07-20 03:28:55,209 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_ext [2022-07-20 03:28:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-20 03:28:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-20 03:28:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-20 03:28:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-20 03:28:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 03:28:55,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 03:28:55,210 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_phy_link [2022-07-20 03:28:55,210 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_phy_link [2022-07-20 03:28:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit [2022-07-20 03:28:55,211 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit [2022-07-20 03:28:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tpd_avail [2022-07-20 03:28:55,211 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tpd_avail [2022-07-20 03:28:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure alx_setup_speed_duplex [2022-07-20 03:28:55,211 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_setup_speed_duplex [2022-07-20 03:28:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-20 03:28:55,211 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-20 03:28:55,211 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_stop [2022-07-20 03:28:55,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_stop [2022-07-20 03:28:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-20 03:28:55,212 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-20 03:28:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-07-20 03:28:55,212 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-07-20 03:28:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure alx_enable_aspm [2022-07-20 03:28:55,212 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_enable_aspm [2022-07-20 03:28:55,212 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_rx_mode [2022-07-20 03:28:55,213 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_rx_mode [2022-07-20 03:28:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_revision [2022-07-20 03:28:55,213 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_revision [2022-07-20 03:28:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_set_rx_mode [2022-07-20 03:28:55,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_set_rx_mode [2022-07-20 03:28:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_89 [2022-07-20 03:28:55,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_89 [2022-07-20 03:28:55,213 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_write_phy_reg [2022-07-20 03:28:55,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_write_phy_reg [2022-07-20 03:28:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-07-20 03:28:55,214 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-07-20 03:28:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-07-20 03:28:55,214 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-07-20 03:28:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 03:28:55,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 03:28:55,214 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-20 03:28:55,214 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-20 03:28:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-07-20 03:28:55,215 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-07-20 03:28:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure alx_configure [2022-07-20 03:28:55,215 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_configure [2022-07-20 03:28:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_phy [2022-07-20 03:28:55,215 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_phy [2022-07-20 03:28:55,215 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2022-07-20 03:28:55,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2022-07-20 03:28:55,216 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-20 03:28:55,216 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-20 03:28:55,216 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-20 03:28:55,216 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-20 03:28:55,216 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-20 03:28:55,216 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-20 03:28:55,216 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-20 03:28:55,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-20 03:28:55,216 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le64 [2022-07-20 03:28:55,217 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le64 [2022-07-20 03:28:55,217 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_mac [2022-07-20 03:28:55,217 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_mac [2022-07-20 03:28:56,176 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 03:28:56,180 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 03:28:56,259 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 03:29:38,132 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-20 03:29:38,687 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 03:29:38,718 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 03:29:38,719 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2022-07-20 03:29:38,724 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:29:38 BoogieIcfgContainer [2022-07-20 03:29:38,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 03:29:38,727 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 03:29:38,727 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 03:29:38,730 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 03:29:38,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 03:28:47" (1/3) ... [2022-07-20 03:29:38,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ef5fe8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:29:38, skipping insertion in model container [2022-07-20 03:29:38,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 03:28:54" (2/3) ... [2022-07-20 03:29:38,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ef5fe8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 03:29:38, skipping insertion in model container [2022-07-20 03:29:38,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 03:29:38" (3/3) ... [2022-07-20 03:29:38,733 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2022-07-20 03:29:38,747 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 03:29:38,747 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-20 03:29:38,875 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 03:29:38,884 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@374bb016, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@30f2b8e7 [2022-07-20 03:29:38,885 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-20 03:29:38,900 INFO L276 IsEmpty]: Start isEmpty. Operand has 3111 states, 2078 states have (on average 1.269971126082772) internal successors, (2639), 2124 states have internal predecessors, (2639), 866 states have call successors, (866), 168 states have call predecessors, (866), 167 states have return successors, (857), 842 states have call predecessors, (857), 857 states have call successors, (857) [2022-07-20 03:29:38,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-07-20 03:29:38,934 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:29:38,935 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:29:38,936 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 03:29:38,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:29:38,942 INFO L85 PathProgramCache]: Analyzing trace with hash -681699794, now seen corresponding path program 1 times [2022-07-20 03:29:38,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:29:38,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1710303098] [2022-07-20 03:29:38,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:29:38,962 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:29:38,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:29:38,967 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 03:29:39,013 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-20 03:29:41,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:41,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 2862 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:29:41,436 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:29:41,619 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-20 03:29:41,620 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:29:41,620 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:29:41,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1710303098] [2022-07-20 03:29:41,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1710303098] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:29:41,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:29:41,622 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 03:29:41,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901687013] [2022-07-20 03:29:41,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:29:41,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:29:41,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:29:41,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:29:41,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:29:41,665 INFO L87 Difference]: Start difference. First operand has 3111 states, 2078 states have (on average 1.269971126082772) internal successors, (2639), 2124 states have internal predecessors, (2639), 866 states have call successors, (866), 168 states have call predecessors, (866), 167 states have return successors, (857), 842 states have call predecessors, (857), 857 states have call successors, (857) Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-20 03:29:42,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:29:42,491 INFO L93 Difference]: Finished difference Result 9053 states and 13034 transitions. [2022-07-20 03:29:42,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:29:42,495 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 204 [2022-07-20 03:29:42,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:29:42,567 INFO L225 Difference]: With dead ends: 9053 [2022-07-20 03:29:42,567 INFO L226 Difference]: Without dead ends: 5966 [2022-07-20 03:29:42,604 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:29:42,614 INFO L413 NwaCegarLoop]: 5062 mSDtfsCounter, 4094 mSDsluCounter, 4203 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4094 SdHoareTripleChecker+Valid, 9265 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 03:29:42,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4094 Valid, 9265 Invalid, 34 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 03:29:42,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5966 states. [2022-07-20 03:29:43,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5966 to 5962. [2022-07-20 03:29:43,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5962 states, 3992 states have (on average 1.2567635270541082) internal successors, (5017), 4073 states have internal predecessors, (5017), 1639 states have call successors, (1639), 329 states have call predecessors, (1639), 328 states have return successors, (1635), 1613 states have call predecessors, (1635), 1635 states have call successors, (1635) [2022-07-20 03:29:43,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5962 states to 5962 states and 8291 transitions. [2022-07-20 03:29:43,135 INFO L78 Accepts]: Start accepts. Automaton has 5962 states and 8291 transitions. Word has length 204 [2022-07-20 03:29:43,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:29:43,139 INFO L495 AbstractCegarLoop]: Abstraction has 5962 states and 8291 transitions. [2022-07-20 03:29:43,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-20 03:29:43,139 INFO L276 IsEmpty]: Start isEmpty. Operand 5962 states and 8291 transitions. [2022-07-20 03:29:43,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-07-20 03:29:43,147 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:29:43,148 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:29:43,236 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-07-20 03:29:43,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:29:43,364 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 03:29:43,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:29:43,364 INFO L85 PathProgramCache]: Analyzing trace with hash 825198181, now seen corresponding path program 1 times [2022-07-20 03:29:43,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:29:43,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [808681847] [2022-07-20 03:29:43,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:29:43,369 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:29:43,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:29:43,372 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 03:29:43,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-20 03:29:45,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:45,817 INFO L263 TraceCheckSpWp]: Trace formula consists of 2903 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:29:45,825 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:29:45,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-20 03:29:45,971 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:29:45,971 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:29:45,971 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [808681847] [2022-07-20 03:29:45,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [808681847] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:29:45,971 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:29:45,972 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 03:29:45,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410715333] [2022-07-20 03:29:45,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:29:45,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:29:45,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:29:45,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:29:45,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:29:45,974 INFO L87 Difference]: Start difference. First operand 5962 states and 8291 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-20 03:29:47,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:29:47,067 INFO L93 Difference]: Finished difference Result 16636 states and 23075 transitions. [2022-07-20 03:29:47,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:29:47,067 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 206 [2022-07-20 03:29:47,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:29:47,154 INFO L225 Difference]: With dead ends: 16636 [2022-07-20 03:29:47,154 INFO L226 Difference]: Without dead ends: 10711 [2022-07-20 03:29:47,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:29:47,197 INFO L413 NwaCegarLoop]: 4908 mSDtfsCounter, 3341 mSDsluCounter, 4128 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3341 SdHoareTripleChecker+Valid, 9036 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-20 03:29:47,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3341 Valid, 9036 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-20 03:29:47,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10711 states. [2022-07-20 03:29:47,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10711 to 10677. [2022-07-20 03:29:47,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10677 states, 7127 states have (on average 1.2571909639399468) internal successors, (8960), 7279 states have internal predecessors, (8960), 2910 states have call successors, (2910), 640 states have call predecessors, (2910), 637 states have return successors, (2910), 2853 states have call predecessors, (2910), 2906 states have call successors, (2910) [2022-07-20 03:29:47,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10677 states to 10677 states and 14780 transitions. [2022-07-20 03:29:47,946 INFO L78 Accepts]: Start accepts. Automaton has 10677 states and 14780 transitions. Word has length 206 [2022-07-20 03:29:47,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:29:47,947 INFO L495 AbstractCegarLoop]: Abstraction has 10677 states and 14780 transitions. [2022-07-20 03:29:47,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-20 03:29:47,948 INFO L276 IsEmpty]: Start isEmpty. Operand 10677 states and 14780 transitions. [2022-07-20 03:29:47,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-07-20 03:29:47,951 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:29:47,951 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:29:48,043 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-20 03:29:48,167 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:29:48,168 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 03:29:48,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:29:48,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1052481961, now seen corresponding path program 1 times [2022-07-20 03:29:48,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:29:48,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [865597926] [2022-07-20 03:29:48,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:29:48,174 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:29:48,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:29:48,176 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 03:29:48,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-20 03:29:50,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:50,429 INFO L263 TraceCheckSpWp]: Trace formula consists of 2930 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:29:50,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:29:50,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-20 03:29:50,559 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:29:50,559 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:29:50,560 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [865597926] [2022-07-20 03:29:50,560 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [865597926] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:29:50,560 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:29:50,560 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 03:29:50,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146964187] [2022-07-20 03:29:50,560 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:29:50,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:29:50,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:29:50,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:29:50,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:29:50,562 INFO L87 Difference]: Start difference. First operand 10677 states and 14780 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-20 03:29:51,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:29:51,460 INFO L93 Difference]: Finished difference Result 31877 states and 44370 transitions. [2022-07-20 03:29:51,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:29:51,461 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 216 [2022-07-20 03:29:51,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:29:51,784 INFO L225 Difference]: With dead ends: 31877 [2022-07-20 03:29:51,784 INFO L226 Difference]: Without dead ends: 21237 [2022-07-20 03:29:51,838 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:29:51,840 INFO L413 NwaCegarLoop]: 5761 mSDtfsCounter, 4167 mSDsluCounter, 4247 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4167 SdHoareTripleChecker+Valid, 10008 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-20 03:29:51,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4167 Valid, 10008 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-20 03:29:51,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21237 states. [2022-07-20 03:29:52,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21237 to 21199. [2022-07-20 03:29:52,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21199 states, 14175 states have (on average 1.2568606701940035) internal successors, (17816), 14473 states have internal predecessors, (17816), 5752 states have call successors, (5752), 1274 states have call predecessors, (5752), 1269 states have return successors, (6004), 5643 states have call predecessors, (6004), 5748 states have call successors, (6004) [2022-07-20 03:29:53,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21199 states to 21199 states and 29572 transitions. [2022-07-20 03:29:53,012 INFO L78 Accepts]: Start accepts. Automaton has 21199 states and 29572 transitions. Word has length 216 [2022-07-20 03:29:53,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:29:53,013 INFO L495 AbstractCegarLoop]: Abstraction has 21199 states and 29572 transitions. [2022-07-20 03:29:53,014 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-20 03:29:53,014 INFO L276 IsEmpty]: Start isEmpty. Operand 21199 states and 29572 transitions. [2022-07-20 03:29:53,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-07-20 03:29:53,019 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:29:53,019 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:29:53,101 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-20 03:29:53,239 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:29:53,240 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 03:29:53,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:29:53,240 INFO L85 PathProgramCache]: Analyzing trace with hash -451934688, now seen corresponding path program 1 times [2022-07-20 03:29:53,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:29:53,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1655673078] [2022-07-20 03:29:53,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:29:53,245 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:29:53,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:29:53,250 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 03:29:53,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-20 03:29:55,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:29:55,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 2934 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:29:55,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:29:55,685 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-20 03:29:55,685 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:29:55,686 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:29:55,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1655673078] [2022-07-20 03:29:55,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1655673078] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:29:55,686 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:29:55,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 03:29:55,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233585210] [2022-07-20 03:29:55,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:29:55,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:29:55,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:29:55,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:29:55,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:29:55,688 INFO L87 Difference]: Start difference. First operand 21199 states and 29572 transitions. 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, (25), 3 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-20 03:29:57,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:29:57,250 INFO L93 Difference]: Finished difference Result 63219 states and 88816 transitions. [2022-07-20 03:29:57,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:29:57,250 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, (25), 3 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 217 [2022-07-20 03:29:57,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:29:57,576 INFO L225 Difference]: With dead ends: 63219 [2022-07-20 03:29:57,577 INFO L226 Difference]: Without dead ends: 42057 [2022-07-20 03:29:57,698 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:29:57,698 INFO L413 NwaCegarLoop]: 5209 mSDtfsCounter, 4168 mSDsluCounter, 4247 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4168 SdHoareTripleChecker+Valid, 9456 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-20 03:29:57,699 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4168 Valid, 9456 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-20 03:29:57,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42057 states. [2022-07-20 03:29:59,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42057 to 42011. [2022-07-20 03:29:59,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42011 states, 28121 states have (on average 1.2570676718466627) internal successors, (35350), 28717 states have internal predecessors, (35350), 11380 states have call successors, (11380), 2526 states have call predecessors, (11380), 2507 states have return successors, (12468), 11151 states have call predecessors, (12468), 11376 states have call successors, (12468) [2022-07-20 03:29:59,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42011 states to 42011 states and 59198 transitions. [2022-07-20 03:29:59,956 INFO L78 Accepts]: Start accepts. Automaton has 42011 states and 59198 transitions. Word has length 217 [2022-07-20 03:29:59,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:29:59,957 INFO L495 AbstractCegarLoop]: Abstraction has 42011 states and 59198 transitions. [2022-07-20 03:29:59,957 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, (25), 3 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-20 03:29:59,957 INFO L276 IsEmpty]: Start isEmpty. Operand 42011 states and 59198 transitions. [2022-07-20 03:29:59,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-07-20 03:29:59,961 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:29:59,961 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:30:00,055 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-20 03:30:00,187 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:30:00,188 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 03:30:00,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:30:00,188 INFO L85 PathProgramCache]: Analyzing trace with hash 2039273341, now seen corresponding path program 1 times [2022-07-20 03:30:00,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:30:00,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [853521478] [2022-07-20 03:30:00,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:30:00,193 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:30:00,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:30:00,196 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 03:30:00,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-20 03:30:02,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:02,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 2962 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:30:02,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:30:02,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-20 03:30:02,909 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:30:02,909 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:30:02,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [853521478] [2022-07-20 03:30:02,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [853521478] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:30:02,910 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:30:02,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 03:30:02,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632776939] [2022-07-20 03:30:02,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:30:02,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:30:02,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:30:02,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:30:02,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:30:02,911 INFO L87 Difference]: Start difference. First operand 42011 states and 59198 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-20 03:30:05,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:30:05,170 INFO L93 Difference]: Finished difference Result 87723 states and 123281 transitions. [2022-07-20 03:30:05,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:30:05,171 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 215 [2022-07-20 03:30:05,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:30:05,498 INFO L225 Difference]: With dead ends: 87723 [2022-07-20 03:30:05,499 INFO L226 Difference]: Without dead ends: 45749 [2022-07-20 03:30:05,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:30:05,881 INFO L413 NwaCegarLoop]: 5784 mSDtfsCounter, 3516 mSDsluCounter, 4162 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3516 SdHoareTripleChecker+Valid, 9946 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-20 03:30:05,882 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3516 Valid, 9946 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-20 03:30:05,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45749 states. [2022-07-20 03:30:07,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45749 to 45705. [2022-07-20 03:30:07,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45705 states, 30484 states have (on average 1.2448497572497048) internal successors, (37948), 31141 states have internal predecessors, (37948), 12337 states have call successors, (12337), 2911 states have call predecessors, (12337), 2881 states have return successors, (13602), 12056 states have call predecessors, (13602), 12333 states have call successors, (13602) [2022-07-20 03:30:08,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45705 states to 45705 states and 63887 transitions. [2022-07-20 03:30:08,337 INFO L78 Accepts]: Start accepts. Automaton has 45705 states and 63887 transitions. Word has length 215 [2022-07-20 03:30:08,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:30:08,338 INFO L495 AbstractCegarLoop]: Abstraction has 45705 states and 63887 transitions. [2022-07-20 03:30:08,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-20 03:30:08,339 INFO L276 IsEmpty]: Start isEmpty. Operand 45705 states and 63887 transitions. [2022-07-20 03:30:08,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-07-20 03:30:08,342 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:30:08,342 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:30:08,424 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-20 03:30:08,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:30:08,563 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 03:30:08,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:30:08,564 INFO L85 PathProgramCache]: Analyzing trace with hash 902212664, now seen corresponding path program 1 times [2022-07-20 03:30:08,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:30:08,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [560723842] [2022-07-20 03:30:08,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:30:08,568 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:30:08,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:30:08,570 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 03:30:08,572 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-20 03:30:11,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:11,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 2963 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:30:11,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:30:11,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-20 03:30:11,255 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:30:11,255 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:30:11,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [560723842] [2022-07-20 03:30:11,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [560723842] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:30:11,255 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:30:11,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 03:30:11,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69543989] [2022-07-20 03:30:11,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:30:11,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:30:11,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:30:11,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:30:11,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:30:11,257 INFO L87 Difference]: Start difference. First operand 45705 states and 63887 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-20 03:30:13,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:30:13,861 INFO L93 Difference]: Finished difference Result 129872 states and 180726 transitions. [2022-07-20 03:30:13,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:30:13,861 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 216 [2022-07-20 03:30:13,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:30:14,378 INFO L225 Difference]: With dead ends: 129872 [2022-07-20 03:30:14,378 INFO L226 Difference]: Without dead ends: 84204 [2022-07-20 03:30:14,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:30:14,806 INFO L413 NwaCegarLoop]: 6071 mSDtfsCounter, 3901 mSDsluCounter, 4139 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3901 SdHoareTripleChecker+Valid, 10210 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-20 03:30:14,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3901 Valid, 10210 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-20 03:30:14,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84204 states. [2022-07-20 03:30:17,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84204 to 84134. [2022-07-20 03:30:17,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84134 states, 55917 states have (on average 1.2364754904590733) internal successors, (69140), 57149 states have internal predecessors, (69140), 22727 states have call successors, (22727), 5540 states have call predecessors, (22727), 5487 states have return successors, (24362), 22194 states have call predecessors, (24362), 22723 states have call successors, (24362) [2022-07-20 03:30:18,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84134 states to 84134 states and 116229 transitions. [2022-07-20 03:30:18,477 INFO L78 Accepts]: Start accepts. Automaton has 84134 states and 116229 transitions. Word has length 216 [2022-07-20 03:30:18,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:30:18,478 INFO L495 AbstractCegarLoop]: Abstraction has 84134 states and 116229 transitions. [2022-07-20 03:30:18,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 3 states have call successors, (23), 3 states have call predecessors, (23), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-07-20 03:30:18,479 INFO L276 IsEmpty]: Start isEmpty. Operand 84134 states and 116229 transitions. [2022-07-20 03:30:18,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-07-20 03:30:18,484 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:30:18,484 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 16, 16, 16, 16, 16, 16, 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] [2022-07-20 03:30:18,562 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-07-20 03:30:18,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:30:18,704 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_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 03:30:18,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:30:18,704 INFO L85 PathProgramCache]: Analyzing trace with hash -278055310, now seen corresponding path program 1 times [2022-07-20 03:30:18,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:30:18,706 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1651014724] [2022-07-20 03:30:18,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:30:18,707 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:30:18,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:30:18,708 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 03:30:18,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-20 03:30:20,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:20,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 2997 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:30:20,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:30:21,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1187 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-20 03:30:21,054 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:30:21,054 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:30:21,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1651014724] [2022-07-20 03:30:21,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1651014724] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:30:21,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:30:21,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 03:30:21,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254903679] [2022-07-20 03:30:21,055 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:30:21,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:30:21,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:30:21,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:30:21,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:30:21,057 INFO L87 Difference]: Start difference. First operand 84134 states and 116229 transitions. Second operand has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-20 03:30:25,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:30:25,237 INFO L93 Difference]: Finished difference Result 220434 states and 305188 transitions. [2022-07-20 03:30:25,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:30:25,238 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 242 [2022-07-20 03:30:25,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:30:26,129 INFO L225 Difference]: With dead ends: 220434 [2022-07-20 03:30:26,129 INFO L226 Difference]: Without dead ends: 136337 [2022-07-20 03:30:26,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 240 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:30:26,766 INFO L413 NwaCegarLoop]: 5449 mSDtfsCounter, 4062 mSDsluCounter, 4188 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4062 SdHoareTripleChecker+Valid, 9637 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 03:30:26,767 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4062 Valid, 9637 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 03:30:26,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136337 states. [2022-07-20 03:30:31,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136337 to 136243. [2022-07-20 03:30:31,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136243 states, 90936 states have (on average 1.2405537960763613) internal successors, (112811), 93050 states have internal predecessors, (112811), 36657 states have call successors, (36657), 8738 states have call predecessors, (36657), 8647 states have return successors, (39107), 35696 states have call predecessors, (39107), 36653 states have call successors, (39107) [2022-07-20 03:30:32,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136243 states to 136243 states and 188575 transitions. [2022-07-20 03:30:32,372 INFO L78 Accepts]: Start accepts. Automaton has 136243 states and 188575 transitions. Word has length 242 [2022-07-20 03:30:32,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 03:30:32,372 INFO L495 AbstractCegarLoop]: Abstraction has 136243 states and 188575 transitions. [2022-07-20 03:30:32,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.333333333333332) internal successors, (76), 3 states have internal predecessors, (76), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-20 03:30:32,373 INFO L276 IsEmpty]: Start isEmpty. Operand 136243 states and 188575 transitions. [2022-07-20 03:30:32,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2022-07-20 03:30:32,377 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 03:30:32,377 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 16, 16, 16, 16, 16, 16, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 03:30:32,471 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-20 03:30:32,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-20 03:30:32,599 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-20 03:30:32,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 03:30:32,600 INFO L85 PathProgramCache]: Analyzing trace with hash 1103780931, now seen corresponding path program 1 times [2022-07-20 03:30:32,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-20 03:30:32,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2056146531] [2022-07-20 03:30:32,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 03:30:32,604 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-20 03:30:32,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-20 03:30:32,605 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-20 03:30:32,606 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-20 03:30:34,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 03:30:34,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 2987 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-20 03:30:34,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 03:30:34,960 INFO L134 CoverageAnalysis]: Checked inductivity of 1324 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 1245 trivial. 0 not checked. [2022-07-20 03:30:34,960 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 03:30:34,960 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-20 03:30:34,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2056146531] [2022-07-20 03:30:34,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2056146531] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 03:30:34,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 03:30:34,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 03:30:34,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305076818] [2022-07-20 03:30:34,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 03:30:34,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 03:30:34,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-20 03:30:34,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 03:30:34,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:30:34,962 INFO L87 Difference]: Start difference. First operand 136243 states and 188575 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-07-20 03:30:43,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 03:30:43,569 INFO L93 Difference]: Finished difference Result 404755 states and 560442 transitions. [2022-07-20 03:30:43,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 03:30:43,570 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 3 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 260 [2022-07-20 03:30:43,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 03:30:45,363 INFO L225 Difference]: With dead ends: 404755 [2022-07-20 03:30:45,363 INFO L226 Difference]: Without dead ends: 268646 [2022-07-20 03:30:45,909 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-20 03:30:45,910 INFO L413 NwaCegarLoop]: 5964 mSDtfsCounter, 4052 mSDsluCounter, 4206 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4052 SdHoareTripleChecker+Valid, 10170 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-20 03:30:45,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4052 Valid, 10170 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-20 03:30:46,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268646 states.