./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 6c24879c 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-?-6c24879 [2022-07-12 16:26:07,076 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 16:26:07,077 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 16:26:07,107 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 16:26:07,107 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 16:26:07,108 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 16:26:07,109 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 16:26:07,110 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 16:26:07,111 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 16:26:07,111 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 16:26:07,112 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 16:26:07,113 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 16:26:07,113 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 16:26:07,114 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 16:26:07,114 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 16:26:07,115 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 16:26:07,125 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 16:26:07,126 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 16:26:07,126 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 16:26:07,128 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 16:26:07,129 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 16:26:07,132 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 16:26:07,133 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 16:26:07,134 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 16:26:07,135 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 16:26:07,137 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 16:26:07,137 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 16:26:07,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 16:26:07,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 16:26:07,138 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 16:26:07,138 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 16:26:07,139 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 16:26:07,139 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 16:26:07,139 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 16:26:07,140 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 16:26:07,140 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 16:26:07,141 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 16:26:07,141 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 16:26:07,141 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 16:26:07,142 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 16:26:07,142 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 16:26:07,143 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 16:26:07,144 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 16:26:07,161 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 16:26:07,163 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 16:26:07,167 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 16:26:07,167 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 16:26:07,167 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 16:26:07,168 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 16:26:07,168 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 16:26:07,168 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 16:26:07,168 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 16:26:07,169 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 16:26:07,169 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 16:26:07,169 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 16:26:07,169 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 16:26:07,169 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 16:26:07,170 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 16:26:07,170 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 16:26:07,170 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 16:26:07,170 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 16:26:07,170 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 16:26:07,170 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 16:26:07,170 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 16:26:07,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:26:07,171 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 16:26:07,171 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 16:26:07,171 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 16:26:07,171 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 16:26:07,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 16:26:07,172 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 16:26:07,172 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 16:26:07,172 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 16:26:07,172 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05e3ebea4820703b3259b4b6dd440513670562ea5166f99f8e3aabd0be2e3f32 [2022-07-12 16:26:07,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 16:26:07,394 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 16:26:07,396 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 16:26:07,397 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 16:26:07,397 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 16:26:07,398 INFO L432 ainManager$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 [2022-07-12 16:26:07,455 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c19776ba/9b727d4b8d6c4224a4dc5339de605be6/FLAG154944881 [2022-07-12 16:26:08,068 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 16:26:08,069 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 [2022-07-12 16:26:08,114 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c19776ba/9b727d4b8d6c4224a4dc5339de605be6/FLAG154944881 [2022-07-12 16:26:08,187 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c19776ba/9b727d4b8d6c4224a4dc5339de605be6 [2022-07-12 16:26:08,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 16:26:08,189 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 16:26:08,201 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 16:26:08,201 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 16:26:08,203 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 16:26:08,216 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:26:08" (1/1) ... [2022-07-12 16:26:08,218 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58c28e9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:26:08, skipping insertion in model container [2022-07-12 16:26:08,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:26:08" (1/1) ... [2022-07-12 16:26:08,223 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 16:26:08,336 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 16:26:11,873 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] [2022-07-12 16:26:11,875 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] [2022-07-12 16:26:11,880 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] [2022-07-12 16:26:11,881 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] [2022-07-12 16:26:11,905 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:26:12,003 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 16:26:12,258 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) [2022-07-12 16:26:12,266 INFO L158 Benchmark]: Toolchain (without parser) took 4075.35ms. Allocated memory was 111.1MB in the beginning and 222.3MB in the end (delta: 111.1MB). Free memory was 59.4MB in the beginning and 125.2MB in the end (delta: -65.7MB). Peak memory consumption was 81.8MB. Max. memory is 16.1GB. [2022-07-12 16:26:12,267 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 83.9MB. Free memory was 38.5MB in the beginning and 38.4MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-12 16:26:12,268 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4062.98ms. Allocated memory was 111.1MB in the beginning and 222.3MB in the end (delta: 111.1MB). Free memory was 59.2MB in the beginning and 125.2MB in the end (delta: -66.0MB). Peak memory consumption was 81.8MB. Max. memory is 16.1GB. [2022-07-12 16:26:12,269 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 83.9MB. Free memory was 38.5MB in the beginning and 38.4MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 4062.98ms. Allocated memory was 111.1MB in the beginning and 222.3MB in the end (delta: 111.1MB). Free memory was 59.2MB in the beginning and 125.2MB in the end (delta: -66.0MB). Peak memory consumption was 81.8MB. 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-?-6c24879 [2022-07-12 16:26:13,786 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 16:26:13,787 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 16:26:13,815 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 16:26:13,815 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 16:26:13,816 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 16:26:13,817 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 16:26:13,818 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 16:26:13,819 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 16:26:13,820 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 16:26:13,821 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 16:26:13,821 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 16:26:13,822 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 16:26:13,822 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 16:26:13,823 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 16:26:13,824 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 16:26:13,824 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 16:26:13,825 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 16:26:13,826 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 16:26:13,827 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 16:26:13,828 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 16:26:13,843 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 16:26:13,846 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 16:26:13,847 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 16:26:13,848 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 16:26:13,855 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 16:26:13,857 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 16:26:13,857 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 16:26:13,858 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 16:26:13,858 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 16:26:13,859 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 16:26:13,859 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 16:26:13,860 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 16:26:13,861 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 16:26:13,861 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 16:26:13,863 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 16:26:13,865 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 16:26:13,865 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 16:26:13,866 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 16:26:13,866 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 16:26:13,866 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 16:26:13,867 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 16:26:13,868 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-12 16:26:13,897 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 16:26:13,900 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 16:26:13,900 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 16:26:13,900 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 16:26:13,901 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 16:26:13,901 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 16:26:13,902 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 16:26:13,902 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 16:26:13,902 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 16:26:13,903 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 16:26:13,903 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 16:26:13,903 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 16:26:13,903 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 16:26:13,903 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 16:26:13,904 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-12 16:26:13,904 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-12 16:26:13,904 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-12 16:26:13,904 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 16:26:13,904 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 16:26:13,904 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 16:26:13,904 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 16:26:13,905 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 16:26:13,905 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 16:26:13,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:26:13,905 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 16:26:13,905 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 16:26:13,905 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 16:26:13,906 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-12 16:26:13,906 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-12 16:26:13,906 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 16:26:13,906 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 16:26:13,906 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 16:26:13,906 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-12 16:26:13,907 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05e3ebea4820703b3259b4b6dd440513670562ea5166f99f8e3aabd0be2e3f32 [2022-07-12 16:26:14,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 16:26:14,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 16:26:14,158 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 16:26:14,158 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 16:26:14,159 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 16:26:14,160 INFO L432 ainManager$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 [2022-07-12 16:26:14,204 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0150ceb01/875315ee0dc24041bd0820e3c161ce25/FLAGd1fafe6c9 [2022-07-12 16:26:14,965 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 16:26:14,965 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 [2022-07-12 16:26:15,018 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0150ceb01/875315ee0dc24041bd0820e3c161ce25/FLAGd1fafe6c9 [2022-07-12 16:26:15,241 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0150ceb01/875315ee0dc24041bd0820e3c161ce25 [2022-07-12 16:26:15,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 16:26:15,244 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 16:26:15,245 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 16:26:15,245 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 16:26:15,248 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 16:26:15,248 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:26:15" (1/1) ... [2022-07-12 16:26:15,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ec9cfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:26:15, skipping insertion in model container [2022-07-12 16:26:15,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 04:26:15" (1/1) ... [2022-07-12 16:26:15,254 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 16:26:15,380 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 16:26:18,299 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] [2022-07-12 16:26:18,301 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] [2022-07-12 16:26:18,305 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] [2022-07-12 16:26:18,306 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460740,460753] [2022-07-12 16:26:18,334 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:26:18,405 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-12 16:26:18,464 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 16:26:18,690 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] [2022-07-12 16:26:18,691 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] [2022-07-12 16:26:18,691 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] [2022-07-12 16:26:18,691 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] [2022-07-12 16:26:18,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:26:18,784 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 16:26:19,127 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] [2022-07-12 16:26:19,128 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] [2022-07-12 16:26:19,128 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] [2022-07-12 16:26:19,128 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] [2022-07-12 16:26:19,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 16:26:19,401 INFO L208 MainTranslator]: Completed translation [2022-07-12 16:26:19,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:26:19 WrapperNode [2022-07-12 16:26:19,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 16:26:19,403 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 16:26:19,403 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 16:26:19,403 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 16:26:19,408 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:26:19" (1/1) ... [2022-07-12 16:26:19,519 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:26:19" (1/1) ... [2022-07-12 16:26:19,770 INFO L137 Inliner]: procedures = 690, calls = 4362, calls flagged for inlining = 337, calls inlined = 299, statements flattened = 8284 [2022-07-12 16:26:19,771 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 16:26:19,772 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 16:26:19,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 16:26:19,773 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 16:26:19,780 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:26:19" (1/1) ... [2022-07-12 16:26:19,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:26:19" (1/1) ... [2022-07-12 16:26:19,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:26:19" (1/1) ... [2022-07-12 16:26:19,835 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:26:19" (1/1) ... [2022-07-12 16:26:19,927 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:26:19" (1/1) ... [2022-07-12 16:26:19,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:26:19" (1/1) ... [2022-07-12 16:26:19,992 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:26:19" (1/1) ... [2022-07-12 16:26:20,041 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 16:26:20,043 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 16:26:20,043 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 16:26:20,043 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 16:26:20,044 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:26:19" (1/1) ... [2022-07-12 16:26:20,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 16:26:20,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 16:26:20,065 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) [2022-07-12 16:26:20,088 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 [2022-07-12 16:26:20,099 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-07-12 16:26:20,099 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-07-12 16:26:20,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 16:26:20,099 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 16:26:20,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2022-07-12 16:26:20,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2022-07-12 16:26:20,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_80 [2022-07-12 16:26:20,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_80 [2022-07-12 16:26:20,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 16:26:20,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 16:26:20,100 INFO L130 BoogieDeclarations]: Found specification of procedure alx_halt [2022-07-12 16:26:20,100 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_halt [2022-07-12 16:26:20,100 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_txbuf [2022-07-12 16:26:20,100 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_txbuf [2022-07-12 16:26:20,101 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2022-07-12 16:26:20,101 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2022-07-12 16:26:20,101 INFO L130 BoogieDeclarations]: Found specification of procedure alx_suspend [2022-07-12 16:26:20,101 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_suspend [2022-07-12 16:26:20,101 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_read_phy_reg [2022-07-12 16:26:20,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_read_phy_reg [2022-07-12 16:26:20,101 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-12 16:26:20,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-12 16:26:20,102 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-12 16:26:20,102 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-12 16:26:20,102 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_reg [2022-07-12 16:26:20,102 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_reg [2022-07-12 16:26:20,102 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-12 16:26:20,102 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-12 16:26:20,103 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-12 16:26:20,103 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-12 16:26:20,103 INFO L130 BoogieDeclarations]: Found specification of procedure alx_pci_error_resume [2022-07-12 16:26:20,103 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_pci_error_resume [2022-07-12 16:26:20,103 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tx_timeout [2022-07-12 16:26:20,103 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tx_timeout [2022-07-12 16:26:20,103 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_enable [2022-07-12 16:26:20,104 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_enable [2022-07-12 16:26:20,104 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 16:26:20,104 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 16:26:20,104 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem16 [2022-07-12 16:26:20,104 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem16 [2022-07-12 16:26:20,105 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-12 16:26:20,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-12 16:26:20,105 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_disable [2022-07-12 16:26:20,106 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_disable [2022-07-12 16:26:20,106 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-12 16:26:20,106 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-12 16:26:20,106 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 16:26:20,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 16:26:20,106 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-12 16:26:20,106 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-12 16:26:20,106 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-12 16:26:20,106 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-12 16:26:20,107 INFO L130 BoogieDeclarations]: Found specification of procedure alx_activate [2022-07-12 16:26:20,107 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_activate [2022-07-12 16:26:20,107 INFO L130 BoogieDeclarations]: Found specification of procedure alx_remove [2022-07-12 16:26:20,107 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_remove [2022-07-12 16:26:20,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 16:26:20,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 16:26:20,108 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_msi [2022-07-12 16:26:20,108 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_msi [2022-07-12 16:26:20,108 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-07-12 16:26:20,108 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-07-12 16:26:20,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 16:26:20,108 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-12 16:26:20,109 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-12 16:26:20,109 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_write [2022-07-12 16:26:20,109 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_write [2022-07-12 16:26:20,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-12 16:26:20,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-12 16:26:20,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-12 16:26:20,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_62 [2022-07-12 16:26:20,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_62 [2022-07-12 16:26:20,109 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-12 16:26:20,110 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-12 16:26:20,110 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-12 16:26:20,110 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-12 16:26:20,110 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_reg [2022-07-12 16:26:20,110 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_reg [2022-07-12 16:26:20,110 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2022-07-12 16:26:20,111 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_ext [2022-07-12 16:26:20,111 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_ext [2022-07-12 16:26:20,111 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-12 16:26:20,111 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-12 16:26:20,111 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-12 16:26:20,112 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-12 16:26:20,112 INFO L130 BoogieDeclarations]: Found specification of procedure ethadv_to_hw_cfg [2022-07-12 16:26:20,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ethadv_to_hw_cfg [2022-07-12 16:26:20,112 INFO L130 BoogieDeclarations]: Found specification of procedure alx_stop [2022-07-12 16:26:20,112 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_stop [2022-07-12 16:26:20,112 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-12 16:26:20,112 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-12 16:26:20,112 INFO L130 BoogieDeclarations]: Found specification of procedure alx_resume [2022-07-12 16:26:20,112 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_resume [2022-07-12 16:26:20,113 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-12 16:26:20,113 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-12 16:26:20,113 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_link_check [2022-07-12 16:26:20,113 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_link_check [2022-07-12 16:26:20,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 16:26:20,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 16:26:20,113 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-12 16:26:20,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-12 16:26:20,114 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-12 16:26:20,114 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-12 16:26:20,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-12 16:26:20,116 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-12 16:26:20,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-12 16:26:20,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-12 16:26:20,117 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_open [2022-07-12 16:26:20,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_open [2022-07-12 16:26:20,118 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_core [2022-07-12 16:26:20,118 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_core [2022-07-12 16:26:20,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-12 16:26:20,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-12 16:26:20,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-12 16:26:20,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-12 16:26:20,123 INFO L130 BoogieDeclarations]: Found specification of procedure alx_update_hw_stats [2022-07-12 16:26:20,123 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_update_hw_stats [2022-07-12 16:26:20,123 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem32 [2022-07-12 16:26:20,123 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem32 [2022-07-12 16:26:20,124 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-12 16:26:20,124 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-12 16:26:20,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-12 16:26:20,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-12 16:26:20,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 16:26:20,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-12 16:26:20,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-12 16:26:20,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-12 16:26:20,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-12 16:26:20,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-07-12 16:26:20,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-07-12 16:26:20,125 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_dbg [2022-07-12 16:26:20,125 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_dbg [2022-07-12 16:26:20,125 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-12 16:26:20,125 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-12 16:26:20,125 INFO L130 BoogieDeclarations]: Found specification of procedure alx_netif_stop [2022-07-12 16:26:20,125 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_netif_stop [2022-07-12 16:26:20,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 16:26:20,126 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-12 16:26:20,126 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-12 16:26:20,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 16:26:20,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 16:26:20,126 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-12 16:26:20,126 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-12 16:26:20,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 16:26:20,126 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-12 16:26:20,126 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_giga [2022-07-12 16:26:20,126 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_giga [2022-07-12 16:26:20,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-12 16:26:20,127 INFO L130 BoogieDeclarations]: Found specification of procedure alx_poll_controller [2022-07-12 16:26:20,127 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_poll_controller [2022-07-12 16:26:20,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-12 16:26:20,127 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_pcie [2022-07-12 16:26:20,127 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_pcie [2022-07-12 16:26:20,127 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 16:26:20,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-12 16:26:20,127 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-12 16:26:20,127 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-07-12 16:26:20,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-07-12 16:26:20,128 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2022-07-12 16:26:20,128 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2022-07-12 16:26:20,128 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_reset [2022-07-12 16:26:20,128 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_reset [2022-07-12 16:26:20,128 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_legacy [2022-07-12 16:26:20,128 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_legacy [2022-07-12 16:26:20,128 INFO L130 BoogieDeclarations]: Found specification of procedure alx_refill_rx_ring [2022-07-12 16:26:20,128 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_refill_rx_ring [2022-07-12 16:26:20,128 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_dbg [2022-07-12 16:26:20,129 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_dbg [2022-07-12 16:26:20,129 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-12 16:26:20,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-12 16:26:20,129 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-12 16:26:20,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-12 16:26:20,129 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-12 16:26:20,129 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-12 16:26:20,129 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-12 16:26:20,129 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-12 16:26:20,129 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_macaddr [2022-07-12 16:26:20,130 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_macaddr [2022-07-12 16:26:20,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-12 16:26:20,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-12 16:26:20,130 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2022-07-12 16:26:20,130 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2022-07-12 16:26:20,130 INFO L130 BoogieDeclarations]: Found specification of procedure alx_speed_to_ethadv [2022-07-12 16:26:20,130 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_speed_to_ethadv [2022-07-12 16:26:20,130 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-12 16:26:20,130 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-12 16:26:20,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-12 16:26:20,131 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_rings [2022-07-12 16:26:20,131 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_rings [2022-07-12 16:26:20,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 16:26:20,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 16:26:20,131 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-12 16:26:20,131 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-12 16:26:20,131 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2022-07-12 16:26:20,131 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2022-07-12 16:26:20,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-12 16:26:20,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-12 16:26:20,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-12 16:26:20,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-12 16:26:20,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-12 16:26:20,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-12 16:26:20,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 16:26:20,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 16:26:20,132 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2022-07-12 16:26:20,132 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2022-07-12 16:26:20,132 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-12 16:26:20,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-12 16:26:20,133 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-12 16:26:20,133 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-12 16:26:20,133 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-12 16:26:20,133 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-12 16:26:20,133 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-12 16:26:20,133 INFO L130 BoogieDeclarations]: Found specification of procedure alx_open [2022-07-12 16:26:20,133 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_open [2022-07-12 16:26:20,133 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-07-12 16:26:20,133 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-07-12 16:26:20,134 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-12 16:26:20,134 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-12 16:26:20,134 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_with_cr [2022-07-12 16:26:20,134 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_with_cr [2022-07-12 16:26:20,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-12 16:26:20,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-12 16:26:20,134 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2022-07-12 16:26:20,134 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2022-07-12 16:26:20,134 INFO L130 BoogieDeclarations]: Found specification of procedure alx_get_supported_speeds [2022-07-12 16:26:20,134 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_get_supported_speeds [2022-07-12 16:26:20,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-12 16:26:20,135 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-12 16:26:20,135 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_macaddr [2022-07-12 16:26:20,135 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_macaddr [2022-07-12 16:26:20,138 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_mem32 [2022-07-12 16:26:20,138 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_mem32 [2022-07-12 16:26:20,138 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-07-12 16:26:20,138 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-07-12 16:26:20,138 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-12 16:26:20,138 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-12 16:26:20,138 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-12 16:26:20,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-12 16:26:20,138 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-07-12 16:26:20,139 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-07-12 16:26:20,139 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-12 16:26:20,140 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-12 16:26:20,140 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-12 16:26:20,140 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-12 16:26:20,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 16:26:20,140 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-12 16:26:20,140 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-12 16:26:20,140 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit_rings [2022-07-12 16:26:20,141 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit_rings [2022-07-12 16:26:20,141 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_reg [2022-07-12 16:26:20,141 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_reg [2022-07-12 16:26:20,141 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-12 16:26:20,141 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-12 16:26:20,141 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_buffers [2022-07-12 16:26:20,141 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_buffers [2022-07-12 16:26:20,141 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-12 16:26:20,141 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-12 16:26:20,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 16:26:20,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_lock_of_alx_priv [2022-07-12 16:26:20,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_lock_of_alx_priv [2022-07-12 16:26:20,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-12 16:26:20,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-12 16:26:20,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-12 16:26:20,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-12 16:26:20,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 16:26:20,142 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_mdio_idle [2022-07-12 16:26:20,142 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_mdio_idle [2022-07-12 16:26:20,142 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-12 16:26:20,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-12 16:26:20,143 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_handle [2022-07-12 16:26:20,143 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_handle [2022-07-12 16:26:20,143 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-12 16:26:20,143 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-12 16:26:20,143 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-12 16:26:20,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-12 16:26:20,143 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-12 16:26:20,143 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-12 16:26:20,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-07-12 16:26:20,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-07-12 16:26:20,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 16:26:20,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 16:26:20,144 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-12 16:26:20,144 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-12 16:26:20,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2022-07-12 16:26:20,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2022-07-12 16:26:20,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_88 [2022-07-12 16:26:20,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_88 [2022-07-12 16:26:20,144 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2022-07-12 16:26:20,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2022-07-12 16:26:20,145 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-12 16:26:20,145 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-12 16:26:20,145 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-12 16:26:20,145 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-12 16:26:20,145 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_63 [2022-07-12 16:26:20,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_63 [2022-07-12 16:26:20,145 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 16:26:20,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-12 16:26:20,145 INFO L130 BoogieDeclarations]: Found specification of procedure alx_is_rev_a [2022-07-12 16:26:20,146 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_is_rev_a [2022-07-12 16:26:20,146 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-12 16:26:20,146 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-12 16:26:20,146 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_core [2022-07-12 16:26:20,146 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_core [2022-07-12 16:26:20,146 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 16:26:20,146 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 16:26:20,146 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_ext [2022-07-12 16:26:20,146 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_ext [2022-07-12 16:26:20,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-12 16:26:20,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-12 16:26:20,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-12 16:26:20,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-12 16:26:20,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 16:26:20,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 16:26:20,147 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_phy_link [2022-07-12 16:26:20,147 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_phy_link [2022-07-12 16:26:20,147 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit [2022-07-12 16:26:20,147 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit [2022-07-12 16:26:20,147 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tpd_avail [2022-07-12 16:26:20,147 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tpd_avail [2022-07-12 16:26:20,148 INFO L130 BoogieDeclarations]: Found specification of procedure alx_setup_speed_duplex [2022-07-12 16:26:20,148 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_setup_speed_duplex [2022-07-12 16:26:20,148 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-12 16:26:20,148 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-12 16:26:20,148 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_stop [2022-07-12 16:26:20,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_stop [2022-07-12 16:26:20,148 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-12 16:26:20,148 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-12 16:26:20,148 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-07-12 16:26:20,149 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-07-12 16:26:20,149 INFO L130 BoogieDeclarations]: Found specification of procedure alx_enable_aspm [2022-07-12 16:26:20,149 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_enable_aspm [2022-07-12 16:26:20,149 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_rx_mode [2022-07-12 16:26:20,149 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_rx_mode [2022-07-12 16:26:20,149 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_revision [2022-07-12 16:26:20,149 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_revision [2022-07-12 16:26:20,149 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_set_rx_mode [2022-07-12 16:26:20,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_set_rx_mode [2022-07-12 16:26:20,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_89 [2022-07-12 16:26:20,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_89 [2022-07-12 16:26:20,150 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_write_phy_reg [2022-07-12 16:26:20,150 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_write_phy_reg [2022-07-12 16:26:20,150 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-07-12 16:26:20,150 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-07-12 16:26:20,150 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-07-12 16:26:20,150 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-07-12 16:26:20,150 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 16:26:20,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 16:26:20,151 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-12 16:26:20,151 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-12 16:26:20,151 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-07-12 16:26:20,151 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-07-12 16:26:20,151 INFO L130 BoogieDeclarations]: Found specification of procedure alx_configure [2022-07-12 16:26:20,151 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_configure [2022-07-12 16:26:20,151 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_phy [2022-07-12 16:26:20,151 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_phy [2022-07-12 16:26:20,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2022-07-12 16:26:20,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2022-07-12 16:26:20,152 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-12 16:26:20,152 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-12 16:26:20,152 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-12 16:26:20,152 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-12 16:26:20,152 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-12 16:26:20,152 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-12 16:26:20,152 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-12 16:26:20,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-12 16:26:20,152 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le64 [2022-07-12 16:26:20,153 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le64 [2022-07-12 16:26:20,153 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_mac [2022-07-12 16:26:20,153 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_mac [2022-07-12 16:26:21,084 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 16:26:21,087 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 16:26:21,152 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 16:27:00,978 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-12 16:27:01,944 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 16:27:01,971 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 16:27:01,971 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2022-07-12 16:27:01,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 04:27:01 BoogieIcfgContainer [2022-07-12 16:27:01,977 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 16:27:01,979 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 16:27:01,979 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 16:27:01,981 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 16:27:01,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 04:26:15" (1/3) ... [2022-07-12 16:27:01,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e64bcb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 04:27:01, skipping insertion in model container [2022-07-12 16:27:01,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 04:26:19" (2/3) ... [2022-07-12 16:27:01,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e64bcb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 04:27:01, skipping insertion in model container [2022-07-12 16:27:01,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 04:27:01" (3/3) ... [2022-07-12 16:27:01,985 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2022-07-12 16:27:01,994 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 16:27:01,994 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-12 16:27:02,083 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 16:27:02,087 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@10a1271c, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6ae41dc2 [2022-07-12 16:27:02,088 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-12 16:27:02,099 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) [2022-07-12 16:27:02,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-07-12 16:27:02,126 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:27:02,126 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] [2022-07-12 16:27:02,127 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)] === [2022-07-12 16:27:02,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:27:02,131 INFO L85 PathProgramCache]: Analyzing trace with hash -681699794, now seen corresponding path program 1 times [2022-07-12 16:27:02,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:27:02,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1649909468] [2022-07-12 16:27:02,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:27:02,146 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:27:02,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:27:02,148 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) [2022-07-12 16:27:02,169 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-12 16:27:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:27:04,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 2862 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:27:04,274 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:27:04,552 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-12 16:27:04,552 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:27:04,553 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:27:04,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1649909468] [2022-07-12 16:27:04,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1649909468] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:27:04,553 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:27:04,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:27:04,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114429241] [2022-07-12 16:27:04,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:27:04,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:27:04,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:27:04,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:27:04,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:27:04,592 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) [2022-07-12 16:27:05,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:27:05,392 INFO L93 Difference]: Finished difference Result 9053 states and 13034 transitions. [2022-07-12 16:27:05,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:27:05,395 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 [2022-07-12 16:27:05,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:27:05,445 INFO L225 Difference]: With dead ends: 9053 [2022-07-12 16:27:05,446 INFO L226 Difference]: Without dead ends: 5966 [2022-07-12 16:27:05,544 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 [2022-07-12 16:27:05,552 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, 0.5s IncrementalHoareTripleChecker+Time [2022-07-12 16:27:05,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4094 Valid, 9265 Invalid, 34 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-12 16:27:05,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5966 states. [2022-07-12 16:27:05,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5966 to 5962. [2022-07-12 16:27:05,820 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) [2022-07-12 16:27:05,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5962 states to 5962 states and 8291 transitions. [2022-07-12 16:27:05,862 INFO L78 Accepts]: Start accepts. Automaton has 5962 states and 8291 transitions. Word has length 204 [2022-07-12 16:27:05,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:27:05,865 INFO L495 AbstractCegarLoop]: Abstraction has 5962 states and 8291 transitions. [2022-07-12 16:27:05,866 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) [2022-07-12 16:27:05,866 INFO L276 IsEmpty]: Start isEmpty. Operand 5962 states and 8291 transitions. [2022-07-12 16:27:05,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-07-12 16:27:05,872 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:27:05,872 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] [2022-07-12 16:27:05,944 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-12 16:27:06,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:27:06,082 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)] === [2022-07-12 16:27:06,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:27:06,083 INFO L85 PathProgramCache]: Analyzing trace with hash 825198181, now seen corresponding path program 1 times [2022-07-12 16:27:06,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:27:06,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1820986986] [2022-07-12 16:27:06,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:27:06,087 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:27:06,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:27:06,088 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) [2022-07-12 16:27:06,090 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-12 16:27:07,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:27:08,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 2903 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:27:08,109 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:27:08,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-12 16:27:08,336 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:27:08,336 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:27:08,336 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1820986986] [2022-07-12 16:27:08,336 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1820986986] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:27:08,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:27:08,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:27:08,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627347551] [2022-07-12 16:27:08,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:27:08,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:27:08,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:27:08,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:27:08,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:27:08,339 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) [2022-07-12 16:27:09,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:27:09,579 INFO L93 Difference]: Finished difference Result 16636 states and 23075 transitions. [2022-07-12 16:27:09,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:27:09,579 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 [2022-07-12 16:27:09,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:27:09,638 INFO L225 Difference]: With dead ends: 16636 [2022-07-12 16:27:09,638 INFO L226 Difference]: Without dead ends: 10711 [2022-07-12 16:27:09,670 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 [2022-07-12 16:27:09,671 INFO L413 NwaCegarLoop]: 4908 mSDtfsCounter, 3341 mSDsluCounter, 4128 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.9s IncrementalHoareTripleChecker+Time [2022-07-12 16:27:09,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3341 Valid, 9036 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-12 16:27:09,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10711 states. [2022-07-12 16:27:10,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10711 to 10677. [2022-07-12 16:27:10,199 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) [2022-07-12 16:27:10,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10677 states to 10677 states and 14780 transitions. [2022-07-12 16:27:10,251 INFO L78 Accepts]: Start accepts. Automaton has 10677 states and 14780 transitions. Word has length 206 [2022-07-12 16:27:10,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:27:10,252 INFO L495 AbstractCegarLoop]: Abstraction has 10677 states and 14780 transitions. [2022-07-12 16:27:10,253 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) [2022-07-12 16:27:10,253 INFO L276 IsEmpty]: Start isEmpty. Operand 10677 states and 14780 transitions. [2022-07-12 16:27:10,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-07-12 16:27:10,256 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:27:10,256 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] [2022-07-12 16:27:10,318 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-12 16:27:10,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:27:10,472 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)] === [2022-07-12 16:27:10,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:27:10,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1052481961, now seen corresponding path program 1 times [2022-07-12 16:27:10,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:27:10,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [993943824] [2022-07-12 16:27:10,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:27:10,475 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:27:10,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:27:10,477 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) [2022-07-12 16:27:10,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-12 16:27:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:27:12,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 2930 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:27:12,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:27:12,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-12 16:27:12,844 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:27:12,844 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:27:12,845 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [993943824] [2022-07-12 16:27:12,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [993943824] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:27:12,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:27:12,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:27:12,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417928893] [2022-07-12 16:27:12,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:27:12,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:27:12,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:27:12,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:27:12,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:27:12,846 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) [2022-07-12 16:27:13,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:27:13,671 INFO L93 Difference]: Finished difference Result 31877 states and 44370 transitions. [2022-07-12 16:27:13,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:27:13,672 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 [2022-07-12 16:27:13,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:27:13,812 INFO L225 Difference]: With dead ends: 31877 [2022-07-12 16:27:13,813 INFO L226 Difference]: Without dead ends: 21237 [2022-07-12 16:27:13,873 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 [2022-07-12 16:27:13,875 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, 0.4s IncrementalHoareTripleChecker+Time [2022-07-12 16:27:13,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4167 Valid, 10008 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-12 16:27:13,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21237 states. [2022-07-12 16:27:14,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21237 to 21199. [2022-07-12 16:27:14,599 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) [2022-07-12 16:27:14,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21199 states to 21199 states and 29572 transitions. [2022-07-12 16:27:14,701 INFO L78 Accepts]: Start accepts. Automaton has 21199 states and 29572 transitions. Word has length 216 [2022-07-12 16:27:14,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:27:14,703 INFO L495 AbstractCegarLoop]: Abstraction has 21199 states and 29572 transitions. [2022-07-12 16:27:14,703 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) [2022-07-12 16:27:14,703 INFO L276 IsEmpty]: Start isEmpty. Operand 21199 states and 29572 transitions. [2022-07-12 16:27:14,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-07-12 16:27:14,706 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:27:14,707 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] [2022-07-12 16:27:14,757 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-12 16:27:14,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:27:14,923 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)] === [2022-07-12 16:27:14,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:27:14,924 INFO L85 PathProgramCache]: Analyzing trace with hash -451934688, now seen corresponding path program 1 times [2022-07-12 16:27:14,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:27:14,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2102448745] [2022-07-12 16:27:14,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:27:14,927 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:27:14,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:27:14,929 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) [2022-07-12 16:27:14,931 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-12 16:27:16,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:27:16,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 2934 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:27:16,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:27:17,080 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-12 16:27:17,080 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:27:17,080 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:27:17,081 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2102448745] [2022-07-12 16:27:17,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2102448745] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:27:17,081 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:27:17,081 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:27:17,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618123297] [2022-07-12 16:27:17,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:27:17,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:27:17,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:27:17,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:27:17,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:27:17,083 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) [2022-07-12 16:27:18,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:27:18,306 INFO L93 Difference]: Finished difference Result 63219 states and 88816 transitions. [2022-07-12 16:27:18,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:27:18,307 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 [2022-07-12 16:27:18,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:27:18,548 INFO L225 Difference]: With dead ends: 63219 [2022-07-12 16:27:18,548 INFO L226 Difference]: Without dead ends: 42057 [2022-07-12 16:27:18,667 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 [2022-07-12 16:27:18,669 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, 0.4s IncrementalHoareTripleChecker+Time [2022-07-12 16:27:18,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4168 Valid, 9456 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-12 16:27:18,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42057 states. [2022-07-12 16:27:20,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42057 to 42011. [2022-07-12 16:27:20,270 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) [2022-07-12 16:27:20,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42011 states to 42011 states and 59198 transitions. [2022-07-12 16:27:20,468 INFO L78 Accepts]: Start accepts. Automaton has 42011 states and 59198 transitions. Word has length 217 [2022-07-12 16:27:20,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:27:20,469 INFO L495 AbstractCegarLoop]: Abstraction has 42011 states and 59198 transitions. [2022-07-12 16:27:20,469 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) [2022-07-12 16:27:20,470 INFO L276 IsEmpty]: Start isEmpty. Operand 42011 states and 59198 transitions. [2022-07-12 16:27:20,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-07-12 16:27:20,472 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:27:20,473 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] [2022-07-12 16:27:20,522 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-12 16:27:20,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:27:20,675 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)] === [2022-07-12 16:27:20,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:27:20,676 INFO L85 PathProgramCache]: Analyzing trace with hash 902212664, now seen corresponding path program 1 times [2022-07-12 16:27:20,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:27:20,679 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [581373201] [2022-07-12 16:27:20,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:27:20,679 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:27:20,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:27:20,681 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) [2022-07-12 16:27:20,683 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-12 16:27:22,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:27:22,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 2963 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:27:22,889 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:27:23,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-12 16:27:23,131 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:27:23,131 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:27:23,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [581373201] [2022-07-12 16:27:23,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [581373201] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:27:23,132 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:27:23,132 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:27:23,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260446673] [2022-07-12 16:27:23,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:27:23,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:27:23,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:27:23,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:27:23,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:27:23,133 INFO L87 Difference]: Start difference. First operand 42011 states and 59198 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) [2022-07-12 16:27:26,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:27:26,244 INFO L93 Difference]: Finished difference Result 123175 states and 173006 transitions. [2022-07-12 16:27:26,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:27:26,244 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 [2022-07-12 16:27:26,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:27:26,707 INFO L225 Difference]: With dead ends: 123175 [2022-07-12 16:27:26,707 INFO L226 Difference]: Without dead ends: 81201 [2022-07-12 16:27:26,986 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 [2022-07-12 16:27:26,987 INFO L413 NwaCegarLoop]: 5010 mSDtfsCounter, 3901 mSDsluCounter, 4139 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3901 SdHoareTripleChecker+Valid, 9149 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-12 16:27:26,988 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3901 Valid, 9149 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-12 16:27:27,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81201 states. [2022-07-12 16:27:29,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81201 to 81139. [2022-07-12 16:27:29,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81139 states, 54023 states have (on average 1.2516150528478611) internal successors, (67616), 55245 states have internal predecessors, (67616), 22116 states have call successors, (22116), 5034 states have call predecessors, (22116), 4997 states have return successors, (23590), 21627 states have call predecessors, (23590), 22112 states have call successors, (23590) [2022-07-12 16:27:30,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81139 states to 81139 states and 113322 transitions. [2022-07-12 16:27:30,263 INFO L78 Accepts]: Start accepts. Automaton has 81139 states and 113322 transitions. Word has length 216 [2022-07-12 16:27:30,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:27:30,264 INFO L495 AbstractCegarLoop]: Abstraction has 81139 states and 113322 transitions. [2022-07-12 16:27:30,265 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) [2022-07-12 16:27:30,265 INFO L276 IsEmpty]: Start isEmpty. Operand 81139 states and 113322 transitions. [2022-07-12 16:27:30,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-07-12 16:27:30,267 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:27:30,267 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] [2022-07-12 16:27:30,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-12 16:27:30,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:27:30,483 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)] === [2022-07-12 16:27:30,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:27:30,484 INFO L85 PathProgramCache]: Analyzing trace with hash 2039273341, now seen corresponding path program 1 times [2022-07-12 16:27:30,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:27:30,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1787424787] [2022-07-12 16:27:30,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:27:30,487 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:27:30,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:27:30,488 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) [2022-07-12 16:27:30,489 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-12 16:27:32,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:27:32,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 2962 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:27:32,533 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:27:32,876 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-12 16:27:32,877 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:27:32,877 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:27:32,877 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1787424787] [2022-07-12 16:27:32,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1787424787] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:27:32,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:27:32,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:27:32,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692615466] [2022-07-12 16:27:32,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:27:32,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:27:32,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:27:32,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:27:32,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:27:32,878 INFO L87 Difference]: Start difference. First operand 81139 states and 113322 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) [2022-07-12 16:27:35,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:27:35,839 INFO L93 Difference]: Finished difference Result 165296 states and 229955 transitions. [2022-07-12 16:27:35,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:27:35,839 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 [2022-07-12 16:27:35,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:27:36,263 INFO L225 Difference]: With dead ends: 165296 [2022-07-12 16:27:36,263 INFO L226 Difference]: Without dead ends: 84194 [2022-07-12 16:27:36,683 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 [2022-07-12 16:27:36,684 INFO L413 NwaCegarLoop]: 5670 mSDtfsCounter, 3516 mSDsluCounter, 4162 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3516 SdHoareTripleChecker+Valid, 9832 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-12 16:27:36,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3516 Valid, 9832 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-12 16:27:36,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84194 states. [2022-07-12 16:27:39,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84194 to 84134. [2022-07-12 16:27:39,268 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) [2022-07-12 16:27:39,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84134 states to 84134 states and 116229 transitions. [2022-07-12 16:27:39,854 INFO L78 Accepts]: Start accepts. Automaton has 84134 states and 116229 transitions. Word has length 215 [2022-07-12 16:27:39,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:27:39,855 INFO L495 AbstractCegarLoop]: Abstraction has 84134 states and 116229 transitions. [2022-07-12 16:27:39,855 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) [2022-07-12 16:27:39,856 INFO L276 IsEmpty]: Start isEmpty. Operand 84134 states and 116229 transitions. [2022-07-12 16:27:39,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-07-12 16:27:39,858 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:27:39,858 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] [2022-07-12 16:27:39,912 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Ended with exit code 0 [2022-07-12 16:27:40,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:27:40,070 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)] === [2022-07-12 16:27:40,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:27:40,071 INFO L85 PathProgramCache]: Analyzing trace with hash -278055310, now seen corresponding path program 1 times [2022-07-12 16:27:40,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:27:40,074 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [43016798] [2022-07-12 16:27:40,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:27:40,074 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:27:40,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:27:40,075 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) [2022-07-12 16:27:40,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-12 16:27:41,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:27:42,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 2997 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:27:42,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:27:42,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1187 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-12 16:27:42,400 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:27:42,400 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:27:42,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [43016798] [2022-07-12 16:27:42,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [43016798] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:27:42,401 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:27:42,401 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:27:42,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825318006] [2022-07-12 16:27:42,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:27:42,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:27:42,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:27:42,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:27:42,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:27:42,402 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) [2022-07-12 16:27:46,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:27:46,009 INFO L93 Difference]: Finished difference Result 220434 states and 305188 transitions. [2022-07-12 16:27:46,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:27:46,010 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 [2022-07-12 16:27:46,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:27:46,911 INFO L225 Difference]: With dead ends: 220434 [2022-07-12 16:27:46,911 INFO L226 Difference]: Without dead ends: 136337 [2022-07-12 16:27:47,148 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 [2022-07-12 16:27:47,149 INFO L413 NwaCegarLoop]: 5452 mSDtfsCounter, 4062 mSDsluCounter, 4188 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4062 SdHoareTripleChecker+Valid, 9640 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-12 16:27:47,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4062 Valid, 9640 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-12 16:27:47,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136337 states. [2022-07-12 16:27:50,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136337 to 136243. [2022-07-12 16:27:51,130 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) [2022-07-12 16:27:51,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136243 states to 136243 states and 188575 transitions. [2022-07-12 16:27:52,015 INFO L78 Accepts]: Start accepts. Automaton has 136243 states and 188575 transitions. Word has length 242 [2022-07-12 16:27:52,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 16:27:52,016 INFO L495 AbstractCegarLoop]: Abstraction has 136243 states and 188575 transitions. [2022-07-12 16:27:52,016 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) [2022-07-12 16:27:52,016 INFO L276 IsEmpty]: Start isEmpty. Operand 136243 states and 188575 transitions. [2022-07-12 16:27:52,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2022-07-12 16:27:52,019 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 16:27:52,019 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] [2022-07-12 16:27:52,078 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-12 16:27:52,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-12 16:27:52,230 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)] === [2022-07-12 16:27:52,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 16:27:52,231 INFO L85 PathProgramCache]: Analyzing trace with hash 1103780931, now seen corresponding path program 1 times [2022-07-12 16:27:52,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-12 16:27:52,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [527756093] [2022-07-12 16:27:52,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 16:27:52,234 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-12 16:27:52,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-12 16:27:52,235 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) [2022-07-12 16:27:52,236 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-12 16:27:54,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 16:27:54,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 2987 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-12 16:27:54,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 16:27:54,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1324 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 1245 trivial. 0 not checked. [2022-07-12 16:27:54,526 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 16:27:54,526 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-12 16:27:54,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [527756093] [2022-07-12 16:27:54,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [527756093] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 16:27:54,526 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 16:27:54,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 16:27:54,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924602660] [2022-07-12 16:27:54,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 16:27:54,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 16:27:54,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-12 16:27:54,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 16:27:54,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-12 16:27:54,528 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) [2022-07-12 16:28:01,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 16:28:01,670 INFO L93 Difference]: Finished difference Result 404755 states and 560442 transitions. [2022-07-12 16:28:01,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 16:28:01,670 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 [2022-07-12 16:28:01,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 16:28:02,989 INFO L225 Difference]: With dead ends: 404755 [2022-07-12 16:28:02,989 INFO L226 Difference]: Without dead ends: 268646 [2022-07-12 16:28:03,829 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 [2022-07-12 16:28:03,830 INFO L413 NwaCegarLoop]: 5944 mSDtfsCounter, 4052 mSDsluCounter, 4206 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4052 SdHoareTripleChecker+Valid, 10150 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-12 16:28:03,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4052 Valid, 10150 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-12 16:28:04,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268646 states.