./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 f4b24e32 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-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-?-f4b24e3 [2022-07-14 04:07:52,503 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 04:07:52,505 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 04:07:52,557 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 04:07:52,558 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 04:07:52,560 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 04:07:52,562 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 04:07:52,564 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 04:07:52,566 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 04:07:52,573 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 04:07:52,574 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 04:07:52,576 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 04:07:52,577 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 04:07:52,579 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 04:07:52,581 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 04:07:52,585 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 04:07:52,586 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 04:07:52,588 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 04:07:52,589 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 04:07:52,592 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 04:07:52,594 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 04:07:52,595 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 04:07:52,596 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 04:07:52,597 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 04:07:52,599 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 04:07:52,604 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 04:07:52,605 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 04:07:52,605 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 04:07:52,607 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 04:07:52,607 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 04:07:52,608 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 04:07:52,609 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 04:07:52,610 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 04:07:52,611 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 04:07:52,611 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 04:07:52,612 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 04:07:52,612 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 04:07:52,613 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 04:07:52,613 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 04:07:52,613 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 04:07:52,614 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 04:07:52,616 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 04:07:52,618 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-14 04:07:52,656 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 04:07:52,657 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 04:07:52,657 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 04:07:52,657 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 04:07:52,658 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 04:07:52,659 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 04:07:52,659 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 04:07:52,659 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 04:07:52,660 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 04:07:52,661 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 04:07:52,661 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-14 04:07:52,661 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 04:07:52,661 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 04:07:52,662 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 04:07:52,662 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 04:07:52,662 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 04:07:52,662 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 04:07:52,662 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 04:07:52,663 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 04:07:52,663 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 04:07:52,663 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 04:07:52,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:07:52,663 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 04:07:52,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 04:07:52,664 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 04:07:52,664 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-14 04:07:52,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-14 04:07:52,664 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 04:07:52,665 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 04:07:52,665 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 04:07:52,665 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05e3ebea4820703b3259b4b6dd440513670562ea5166f99f8e3aabd0be2e3f32 [2022-07-14 04:07:52,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 04:07:52,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 04:07:52,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 04:07:52,937 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 04:07:52,938 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 04:07:52,939 INFO L432 ainManager$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 [2022-07-14 04:07:53,016 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd35e18b3/caf864baec7b46c49a3b12897ad5c54b/FLAG6df7f7ce7 [2022-07-14 04:07:53,917 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 04:07:53,918 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 [2022-07-14 04:07:54,000 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd35e18b3/caf864baec7b46c49a3b12897ad5c54b/FLAG6df7f7ce7 [2022-07-14 04:07:54,329 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd35e18b3/caf864baec7b46c49a3b12897ad5c54b [2022-07-14 04:07:54,334 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 04:07:54,335 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 04:07:54,337 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 04:07:54,337 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 04:07:54,340 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 04:07:54,342 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:07:54" (1/1) ... [2022-07-14 04:07:54,343 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22628f63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:07:54, skipping insertion in model container [2022-07-14 04:07:54,343 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:07:54" (1/1) ... [2022-07-14 04:07:54,351 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 04:07:54,506 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 04:08:00,492 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] [2022-07-14 04:08:00,495 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] [2022-07-14 04:08:00,502 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] [2022-07-14 04:08:00,503 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] [2022-07-14 04:08:00,570 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:08:00,653 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 04:08:01,011 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) [2022-07-14 04:08:01,017 INFO L158 Benchmark]: Toolchain (without parser) took 6680.32ms. Allocated memory was 98.6MB in the beginning and 190.8MB in the end (delta: 92.3MB). Free memory was 62.6MB in the beginning and 83.5MB in the end (delta: -20.9MB). Peak memory consumption was 81.4MB. Max. memory is 16.1GB. [2022-07-14 04:08:01,018 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 81.8MB. Free memory was 50.4MB in the beginning and 50.4MB in the end (delta: 27.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-14 04:08:01,018 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6678.17ms. Allocated memory was 98.6MB in the beginning and 190.8MB in the end (delta: 92.3MB). Free memory was 62.6MB in the beginning and 83.5MB in the end (delta: -20.9MB). Peak memory consumption was 81.4MB. Max. memory is 16.1GB. [2022-07-14 04:08:01,020 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 81.8MB. Free memory was 50.4MB in the beginning and 50.4MB in the end (delta: 27.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6678.17ms. Allocated memory was 98.6MB in the beginning and 190.8MB in the end (delta: 92.3MB). Free memory was 62.6MB in the beginning and 83.5MB in the end (delta: -20.9MB). Peak memory consumption was 81.4MB. 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-?-f4b24e3 [2022-07-14 04:08:02,951 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-14 04:08:02,954 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-14 04:08:02,997 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-14 04:08:02,997 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-14 04:08:02,999 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-14 04:08:03,002 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-14 04:08:03,006 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-14 04:08:03,008 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-14 04:08:03,014 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-14 04:08:03,015 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-14 04:08:03,017 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-14 04:08:03,017 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-14 04:08:03,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-14 04:08:03,021 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-14 04:08:03,026 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-14 04:08:03,027 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-14 04:08:03,029 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-14 04:08:03,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-14 04:08:03,037 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-14 04:08:03,039 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-14 04:08:03,040 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-14 04:08:03,042 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-14 04:08:03,043 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-14 04:08:03,044 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-14 04:08:03,051 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-14 04:08:03,052 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-14 04:08:03,052 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-14 04:08:03,053 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-14 04:08:03,054 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-14 04:08:03,055 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-14 04:08:03,055 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-14 04:08:03,057 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-14 04:08:03,057 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-14 04:08:03,059 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-14 04:08:03,060 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-14 04:08:03,060 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-14 04:08:03,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-14 04:08:03,061 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-14 04:08:03,061 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-14 04:08:03,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-14 04:08:03,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-14 04:08:03,071 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-14 04:08:03,122 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-14 04:08:03,122 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-14 04:08:03,123 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-14 04:08:03,123 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-14 04:08:03,124 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-14 04:08:03,124 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-14 04:08:03,125 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-14 04:08:03,125 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-14 04:08:03,125 INFO L138 SettingsManager]: * Use SBE=true [2022-07-14 04:08:03,126 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-14 04:08:03,126 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-14 04:08:03,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-14 04:08:03,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-14 04:08:03,127 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-14 04:08:03,127 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-14 04:08:03,128 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-14 04:08:03,128 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-14 04:08:03,128 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-14 04:08:03,128 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-14 04:08:03,128 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-14 04:08:03,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-14 04:08:03,129 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-14 04:08:03,129 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-14 04:08:03,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:08:03,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-14 04:08:03,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-14 04:08:03,130 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-14 04:08:03,130 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-14 04:08:03,130 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-14 04:08:03,130 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-14 04:08:03,131 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-14 04:08:03,131 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-14 04:08:03,131 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-14 04:08:03,131 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05e3ebea4820703b3259b4b6dd440513670562ea5166f99f8e3aabd0be2e3f32 [2022-07-14 04:08:03,482 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-14 04:08:03,500 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-14 04:08:03,503 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-14 04:08:03,504 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-14 04:08:03,509 INFO L275 PluginConnector]: CDTParser initialized [2022-07-14 04:08:03,511 INFO L432 ainManager$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 [2022-07-14 04:08:03,581 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cb22375a/8e6bf01ea51548aca528023e2cbeacdc/FLAG0aa44b771 [2022-07-14 04:08:04,569 INFO L306 CDTParser]: Found 1 translation units. [2022-07-14 04:08:04,570 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 [2022-07-14 04:08:04,642 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cb22375a/8e6bf01ea51548aca528023e2cbeacdc/FLAG0aa44b771 [2022-07-14 04:08:04,982 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cb22375a/8e6bf01ea51548aca528023e2cbeacdc [2022-07-14 04:08:04,984 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-14 04:08:04,986 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-14 04:08:04,992 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-14 04:08:04,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-14 04:08:04,996 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-14 04:08:04,997 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:08:04" (1/1) ... [2022-07-14 04:08:04,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3191cb41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:08:04, skipping insertion in model container [2022-07-14 04:08:04,999 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 04:08:04" (1/1) ... [2022-07-14 04:08:05,008 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-14 04:08:05,195 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 04:08:11,370 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] [2022-07-14 04:08:11,373 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] [2022-07-14 04:08:11,374 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] [2022-07-14 04:08:11,375 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] [2022-07-14 04:08:11,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:08:11,495 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-14 04:08:11,652 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-14 04:08:12,120 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] [2022-07-14 04:08:12,122 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] [2022-07-14 04:08:12,122 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] [2022-07-14 04:08:12,122 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] [2022-07-14 04:08:12,130 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:08:12,192 INFO L203 MainTranslator]: Completed pre-run [2022-07-14 04:08:12,567 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] [2022-07-14 04:08:12,568 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] [2022-07-14 04:08:12,568 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] [2022-07-14 04:08:12,568 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] [2022-07-14 04:08:12,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-14 04:08:12,919 INFO L208 MainTranslator]: Completed translation [2022-07-14 04:08:12,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:08:12 WrapperNode [2022-07-14 04:08:12,920 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-14 04:08:12,922 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-14 04:08:12,922 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-14 04:08:12,922 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-14 04:08:12,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:08:12" (1/1) ... [2022-07-14 04:08:13,069 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:08:12" (1/1) ... [2022-07-14 04:08:13,378 INFO L137 Inliner]: procedures = 690, calls = 4362, calls flagged for inlining = 337, calls inlined = 299, statements flattened = 8284 [2022-07-14 04:08:13,380 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-14 04:08:13,381 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-14 04:08:13,381 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-14 04:08:13,382 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-14 04:08:13,392 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:08:12" (1/1) ... [2022-07-14 04:08:13,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:08:12" (1/1) ... [2022-07-14 04:08:13,467 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:08:12" (1/1) ... [2022-07-14 04:08:13,468 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:08:12" (1/1) ... [2022-07-14 04:08:13,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:08:12" (1/1) ... [2022-07-14 04:08:13,649 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:08:12" (1/1) ... [2022-07-14 04:08:13,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:08:12" (1/1) ... [2022-07-14 04:08:13,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-14 04:08:13,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-14 04:08:13,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-14 04:08:13,774 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-14 04:08:13,775 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:08:12" (1/1) ... [2022-07-14 04:08:13,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-14 04:08:13,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-14 04:08:13,809 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-14 04:08:13,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-14 04:08:13,848 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-07-14 04:08:13,848 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-07-14 04:08:13,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-14 04:08:13,848 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-14 04:08:13,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2022-07-14 04:08:13,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2022-07-14 04:08:13,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_80 [2022-07-14 04:08:13,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_80 [2022-07-14 04:08:13,849 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-14 04:08:13,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-14 04:08:13,850 INFO L130 BoogieDeclarations]: Found specification of procedure alx_halt [2022-07-14 04:08:13,850 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_halt [2022-07-14 04:08:13,850 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_txbuf [2022-07-14 04:08:13,850 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_txbuf [2022-07-14 04:08:13,850 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2022-07-14 04:08:13,850 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2022-07-14 04:08:13,850 INFO L130 BoogieDeclarations]: Found specification of procedure alx_suspend [2022-07-14 04:08:13,851 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_suspend [2022-07-14 04:08:13,851 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_read_phy_reg [2022-07-14 04:08:13,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_read_phy_reg [2022-07-14 04:08:13,851 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-14 04:08:13,851 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-14 04:08:13,851 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-14 04:08:13,852 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-14 04:08:13,852 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_reg [2022-07-14 04:08:13,852 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_reg [2022-07-14 04:08:13,852 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-14 04:08:13,852 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-14 04:08:13,853 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-14 04:08:13,853 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-14 04:08:13,853 INFO L130 BoogieDeclarations]: Found specification of procedure alx_pci_error_resume [2022-07-14 04:08:13,853 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_pci_error_resume [2022-07-14 04:08:13,854 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tx_timeout [2022-07-14 04:08:13,854 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tx_timeout [2022-07-14 04:08:13,854 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_enable [2022-07-14 04:08:13,854 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_enable [2022-07-14 04:08:13,854 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-14 04:08:13,854 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-14 04:08:13,855 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem16 [2022-07-14 04:08:13,855 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem16 [2022-07-14 04:08:13,856 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-14 04:08:13,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-14 04:08:13,856 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_disable [2022-07-14 04:08:13,857 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_disable [2022-07-14 04:08:13,857 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-14 04:08:13,857 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-14 04:08:13,857 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-14 04:08:13,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-14 04:08:13,857 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-14 04:08:13,858 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-14 04:08:13,858 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-14 04:08:13,858 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-14 04:08:13,858 INFO L130 BoogieDeclarations]: Found specification of procedure alx_activate [2022-07-14 04:08:13,859 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_activate [2022-07-14 04:08:13,859 INFO L130 BoogieDeclarations]: Found specification of procedure alx_remove [2022-07-14 04:08:13,859 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_remove [2022-07-14 04:08:13,859 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-14 04:08:13,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-14 04:08:13,859 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_msi [2022-07-14 04:08:13,860 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_msi [2022-07-14 04:08:13,860 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-07-14 04:08:13,861 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-07-14 04:08:13,861 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-14 04:08:13,861 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-14 04:08:13,861 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-14 04:08:13,861 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_write [2022-07-14 04:08:13,861 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_write [2022-07-14 04:08:13,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-14 04:08:13,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-14 04:08:13,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-14 04:08:13,862 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_62 [2022-07-14 04:08:13,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_62 [2022-07-14 04:08:13,862 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-14 04:08:13,862 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-14 04:08:13,863 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-14 04:08:13,863 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-14 04:08:13,864 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_reg [2022-07-14 04:08:13,864 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_reg [2022-07-14 04:08:13,864 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2022-07-14 04:08:13,864 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_ext [2022-07-14 04:08:13,865 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_ext [2022-07-14 04:08:13,865 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-14 04:08:13,865 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-14 04:08:13,865 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-14 04:08:13,865 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-14 04:08:13,865 INFO L130 BoogieDeclarations]: Found specification of procedure ethadv_to_hw_cfg [2022-07-14 04:08:13,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ethadv_to_hw_cfg [2022-07-14 04:08:13,866 INFO L130 BoogieDeclarations]: Found specification of procedure alx_stop [2022-07-14 04:08:13,866 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_stop [2022-07-14 04:08:13,866 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-14 04:08:13,866 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-14 04:08:13,866 INFO L130 BoogieDeclarations]: Found specification of procedure alx_resume [2022-07-14 04:08:13,866 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_resume [2022-07-14 04:08:13,867 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-14 04:08:13,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-14 04:08:13,867 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_link_check [2022-07-14 04:08:13,867 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_link_check [2022-07-14 04:08:13,867 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-14 04:08:13,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-14 04:08:13,868 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-14 04:08:13,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-14 04:08:13,869 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-14 04:08:13,869 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-14 04:08:13,871 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-14 04:08:13,872 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-14 04:08:13,872 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-14 04:08:13,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-14 04:08:13,873 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_open [2022-07-14 04:08:13,873 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_open [2022-07-14 04:08:13,873 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_core [2022-07-14 04:08:13,874 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_core [2022-07-14 04:08:13,874 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-14 04:08:13,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-14 04:08:13,878 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-14 04:08:13,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-14 04:08:13,878 INFO L130 BoogieDeclarations]: Found specification of procedure alx_update_hw_stats [2022-07-14 04:08:13,878 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_update_hw_stats [2022-07-14 04:08:13,878 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem32 [2022-07-14 04:08:13,878 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem32 [2022-07-14 04:08:13,879 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-14 04:08:13,879 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-14 04:08:13,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-14 04:08:13,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-14 04:08:13,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-14 04:08:13,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-14 04:08:13,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-14 04:08:13,879 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-14 04:08:13,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-14 04:08:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-07-14 04:08:13,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-07-14 04:08:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_dbg [2022-07-14 04:08:13,880 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_dbg [2022-07-14 04:08:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-14 04:08:13,880 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-14 04:08:13,880 INFO L130 BoogieDeclarations]: Found specification of procedure alx_netif_stop [2022-07-14 04:08:13,881 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_netif_stop [2022-07-14 04:08:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-14 04:08:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-14 04:08:13,881 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-14 04:08:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-14 04:08:13,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-14 04:08:13,881 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-14 04:08:13,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-14 04:08:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-14 04:08:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-14 04:08:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_giga [2022-07-14 04:08:13,882 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_giga [2022-07-14 04:08:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-14 04:08:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure alx_poll_controller [2022-07-14 04:08:13,882 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_poll_controller [2022-07-14 04:08:13,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-14 04:08:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_pcie [2022-07-14 04:08:13,883 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_pcie [2022-07-14 04:08:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 04:08:13,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-14 04:08:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-14 04:08:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-07-14 04:08:13,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-07-14 04:08:13,883 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2022-07-14 04:08:13,884 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2022-07-14 04:08:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_reset [2022-07-14 04:08:13,884 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_reset [2022-07-14 04:08:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_legacy [2022-07-14 04:08:13,884 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_legacy [2022-07-14 04:08:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure alx_refill_rx_ring [2022-07-14 04:08:13,884 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_refill_rx_ring [2022-07-14 04:08:13,884 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_dbg [2022-07-14 04:08:13,885 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_dbg [2022-07-14 04:08:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-14 04:08:13,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-14 04:08:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-14 04:08:13,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-14 04:08:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-14 04:08:13,885 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-14 04:08:13,885 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-14 04:08:13,886 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-14 04:08:13,886 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_macaddr [2022-07-14 04:08:13,886 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_macaddr [2022-07-14 04:08:13,886 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-14 04:08:13,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-14 04:08:13,886 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2022-07-14 04:08:13,886 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2022-07-14 04:08:13,887 INFO L130 BoogieDeclarations]: Found specification of procedure alx_speed_to_ethadv [2022-07-14 04:08:13,887 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_speed_to_ethadv [2022-07-14 04:08:13,887 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-14 04:08:13,887 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-14 04:08:13,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-14 04:08:13,887 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_rings [2022-07-14 04:08:13,887 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_rings [2022-07-14 04:08:13,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-14 04:08:13,888 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-14 04:08:13,888 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-14 04:08:13,888 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-14 04:08:13,888 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2022-07-14 04:08:13,888 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2022-07-14 04:08:13,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-14 04:08:13,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-14 04:08:13,888 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-14 04:08:13,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-14 04:08:13,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-14 04:08:13,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-14 04:08:13,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-14 04:08:13,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-14 04:08:13,889 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2022-07-14 04:08:13,889 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2022-07-14 04:08:13,889 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-14 04:08:13,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-14 04:08:13,890 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-14 04:08:13,890 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-14 04:08:13,890 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-14 04:08:13,890 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-14 04:08:13,890 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-14 04:08:13,890 INFO L130 BoogieDeclarations]: Found specification of procedure alx_open [2022-07-14 04:08:13,890 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_open [2022-07-14 04:08:13,890 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-07-14 04:08:13,891 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-07-14 04:08:13,891 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-14 04:08:13,891 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-14 04:08:13,891 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_with_cr [2022-07-14 04:08:13,891 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_with_cr [2022-07-14 04:08:13,891 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-14 04:08:13,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-14 04:08:13,891 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2022-07-14 04:08:13,892 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2022-07-14 04:08:13,892 INFO L130 BoogieDeclarations]: Found specification of procedure alx_get_supported_speeds [2022-07-14 04:08:13,892 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_get_supported_speeds [2022-07-14 04:08:13,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-14 04:08:13,892 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-14 04:08:13,892 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_macaddr [2022-07-14 04:08:13,893 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_macaddr [2022-07-14 04:08:13,896 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_mem32 [2022-07-14 04:08:13,896 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_mem32 [2022-07-14 04:08:13,896 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-07-14 04:08:13,897 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-07-14 04:08:13,897 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-14 04:08:13,897 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-14 04:08:13,897 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-14 04:08:13,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-14 04:08:13,897 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-07-14 04:08:13,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-07-14 04:08:13,899 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-14 04:08:13,899 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-14 04:08:13,899 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-14 04:08:13,899 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-14 04:08:13,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-14 04:08:13,899 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-14 04:08:13,899 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-14 04:08:13,900 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit_rings [2022-07-14 04:08:13,900 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit_rings [2022-07-14 04:08:13,900 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_reg [2022-07-14 04:08:13,900 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_reg [2022-07-14 04:08:13,900 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-14 04:08:13,900 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-14 04:08:13,900 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_buffers [2022-07-14 04:08:13,900 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_buffers [2022-07-14 04:08:13,900 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-14 04:08:13,901 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-14 04:08:13,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-14 04:08:13,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_lock_of_alx_priv [2022-07-14 04:08:13,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_lock_of_alx_priv [2022-07-14 04:08:13,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-14 04:08:13,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-14 04:08:13,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-14 04:08:13,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-14 04:08:13,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-14 04:08:13,902 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_mdio_idle [2022-07-14 04:08:13,902 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_mdio_idle [2022-07-14 04:08:13,902 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-14 04:08:13,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-14 04:08:13,902 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_handle [2022-07-14 04:08:13,902 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_handle [2022-07-14 04:08:13,902 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-14 04:08:13,903 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-14 04:08:13,903 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-14 04:08:13,903 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-14 04:08:13,903 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-14 04:08:13,903 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-14 04:08:13,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-07-14 04:08:13,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-07-14 04:08:13,903 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-14 04:08:13,903 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-14 04:08:13,904 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-14 04:08:13,904 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-14 04:08:13,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2022-07-14 04:08:13,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2022-07-14 04:08:13,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_88 [2022-07-14 04:08:13,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_88 [2022-07-14 04:08:13,904 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2022-07-14 04:08:13,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2022-07-14 04:08:13,905 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-14 04:08:13,905 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-14 04:08:13,905 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-14 04:08:13,905 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-14 04:08:13,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_63 [2022-07-14 04:08:13,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_63 [2022-07-14 04:08:13,905 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 04:08:13,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-14 04:08:13,906 INFO L130 BoogieDeclarations]: Found specification of procedure alx_is_rev_a [2022-07-14 04:08:13,906 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_is_rev_a [2022-07-14 04:08:13,906 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-14 04:08:13,906 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-14 04:08:13,906 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_core [2022-07-14 04:08:13,906 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_core [2022-07-14 04:08:13,906 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-14 04:08:13,906 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-14 04:08:13,906 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_ext [2022-07-14 04:08:13,907 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_ext [2022-07-14 04:08:13,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-14 04:08:13,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-14 04:08:13,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-14 04:08:13,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-14 04:08:13,907 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-14 04:08:13,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-14 04:08:13,908 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_phy_link [2022-07-14 04:08:13,908 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_phy_link [2022-07-14 04:08:13,908 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit [2022-07-14 04:08:13,908 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit [2022-07-14 04:08:13,908 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tpd_avail [2022-07-14 04:08:13,908 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tpd_avail [2022-07-14 04:08:13,908 INFO L130 BoogieDeclarations]: Found specification of procedure alx_setup_speed_duplex [2022-07-14 04:08:13,908 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_setup_speed_duplex [2022-07-14 04:08:13,908 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-14 04:08:13,909 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-14 04:08:13,909 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_stop [2022-07-14 04:08:13,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_stop [2022-07-14 04:08:13,909 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-14 04:08:13,909 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-14 04:08:13,909 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-07-14 04:08:13,909 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-07-14 04:08:13,909 INFO L130 BoogieDeclarations]: Found specification of procedure alx_enable_aspm [2022-07-14 04:08:13,910 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_enable_aspm [2022-07-14 04:08:13,910 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_rx_mode [2022-07-14 04:08:13,910 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_rx_mode [2022-07-14 04:08:13,910 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_revision [2022-07-14 04:08:13,910 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_revision [2022-07-14 04:08:13,910 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_set_rx_mode [2022-07-14 04:08:13,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_set_rx_mode [2022-07-14 04:08:13,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_89 [2022-07-14 04:08:13,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_89 [2022-07-14 04:08:13,911 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_write_phy_reg [2022-07-14 04:08:13,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_write_phy_reg [2022-07-14 04:08:13,911 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-07-14 04:08:13,911 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-07-14 04:08:13,911 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-07-14 04:08:13,911 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-07-14 04:08:13,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-14 04:08:13,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-14 04:08:13,912 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-14 04:08:13,912 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-14 04:08:13,912 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-07-14 04:08:13,912 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-07-14 04:08:13,912 INFO L130 BoogieDeclarations]: Found specification of procedure alx_configure [2022-07-14 04:08:13,912 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_configure [2022-07-14 04:08:13,912 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_phy [2022-07-14 04:08:13,912 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_phy [2022-07-14 04:08:13,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2022-07-14 04:08:13,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2022-07-14 04:08:13,913 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-14 04:08:13,913 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-14 04:08:13,913 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-14 04:08:13,913 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-14 04:08:13,913 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-14 04:08:13,913 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-14 04:08:13,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-14 04:08:13,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-14 04:08:13,914 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le64 [2022-07-14 04:08:13,914 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le64 [2022-07-14 04:08:13,915 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_mac [2022-07-14 04:08:13,915 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_mac [2022-07-14 04:08:14,950 INFO L234 CfgBuilder]: Building ICFG [2022-07-14 04:08:14,956 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-14 04:08:15,032 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-14 04:09:01,257 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-14 04:09:01,891 INFO L275 CfgBuilder]: Performing block encoding [2022-07-14 04:09:01,913 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-14 04:09:01,914 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2022-07-14 04:09:01,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:09:01 BoogieIcfgContainer [2022-07-14 04:09:01,922 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-14 04:09:01,924 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-14 04:09:01,924 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-14 04:09:01,927 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-14 04:09:01,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 04:08:04" (1/3) ... [2022-07-14 04:09:01,928 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ee14603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:09:01, skipping insertion in model container [2022-07-14 04:09:01,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 04:08:12" (2/3) ... [2022-07-14 04:09:01,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ee14603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:09:01, skipping insertion in model container [2022-07-14 04:09:01,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:09:01" (3/3) ... [2022-07-14 04:09:01,931 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2022-07-14 04:09:01,946 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-14 04:09:01,946 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-14 04:09:02,074 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-14 04:09:02,084 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@63fb0f, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@55b6b36b [2022-07-14 04:09:02,084 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-14 04:09:02,100 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) [2022-07-14 04:09:02,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-07-14 04:09:02,137 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:09:02,138 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] [2022-07-14 04:09:02,139 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 04:09:02,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:09:02,146 INFO L85 PathProgramCache]: Analyzing trace with hash -681699794, now seen corresponding path program 1 times [2022-07-14 04:09:02,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:09:02,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [171199805] [2022-07-14 04:09:02,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:09:02,167 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:09:02,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:09:02,170 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 04:09:02,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-14 04:09:04,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:05,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 2862 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:09:05,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:09:05,267 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-14 04:09:05,267 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:09:05,268 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:09:05,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [171199805] [2022-07-14 04:09:05,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [171199805] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:09:05,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:09:05,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:09:05,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083377179] [2022-07-14 04:09:05,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:09:05,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:09:05,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:09:05,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:09:05,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:09:05,327 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) [2022-07-14 04:09:06,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:09:06,253 INFO L93 Difference]: Finished difference Result 9053 states and 13034 transitions. [2022-07-14 04:09:06,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:09:06,256 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 [2022-07-14 04:09:06,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:09:06,336 INFO L225 Difference]: With dead ends: 9053 [2022-07-14 04:09:06,336 INFO L226 Difference]: Without dead ends: 5966 [2022-07-14 04:09:06,379 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 [2022-07-14 04:09:06,385 INFO L413 NwaCegarLoop]: 5062 mSDtfsCounter, 4094 mSDsluCounter, 4203 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4094 SdHoareTripleChecker+Valid, 9265 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-14 04:09:06,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4094 Valid, 9265 Invalid, 34 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-14 04:09:06,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5966 states. [2022-07-14 04:09:06,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5966 to 5962. [2022-07-14 04:09:06,826 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) [2022-07-14 04:09:06,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5962 states to 5962 states and 8291 transitions. [2022-07-14 04:09:06,887 INFO L78 Accepts]: Start accepts. Automaton has 5962 states and 8291 transitions. Word has length 204 [2022-07-14 04:09:06,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:09:06,891 INFO L495 AbstractCegarLoop]: Abstraction has 5962 states and 8291 transitions. [2022-07-14 04:09:06,891 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) [2022-07-14 04:09:06,892 INFO L276 IsEmpty]: Start isEmpty. Operand 5962 states and 8291 transitions. [2022-07-14 04:09:06,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-07-14 04:09:06,903 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:09:06,904 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] [2022-07-14 04:09:06,997 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-14 04:09:07,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:09:07,124 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 04:09:07,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:09:07,125 INFO L85 PathProgramCache]: Analyzing trace with hash 825198181, now seen corresponding path program 1 times [2022-07-14 04:09:07,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:09:07,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [913603856] [2022-07-14 04:09:07,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:09:07,128 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:09:07,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:09:07,129 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 04:09:07,131 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-14 04:09:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:09,766 INFO L263 TraceCheckSpWp]: Trace formula consists of 2903 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:09:09,774 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:09:09,953 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-14 04:09:09,954 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:09:09,954 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:09:09,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [913603856] [2022-07-14 04:09:09,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [913603856] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:09:09,955 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:09:09,955 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:09:09,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289625786] [2022-07-14 04:09:09,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:09:09,957 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:09:09,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:09:09,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:09:09,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:09:09,958 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) [2022-07-14 04:09:11,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:09:11,304 INFO L93 Difference]: Finished difference Result 16636 states and 23075 transitions. [2022-07-14 04:09:11,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:09:11,304 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 [2022-07-14 04:09:11,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:09:11,398 INFO L225 Difference]: With dead ends: 16636 [2022-07-14 04:09:11,399 INFO L226 Difference]: Without dead ends: 10711 [2022-07-14 04:09:11,437 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 [2022-07-14 04:09:11,438 INFO L413 NwaCegarLoop]: 4908 mSDtfsCounter, 3341 mSDsluCounter, 4128 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.0s IncrementalHoareTripleChecker+Time [2022-07-14 04:09:11,439 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3341 Valid, 9036 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-14 04:09:11,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10711 states. [2022-07-14 04:09:11,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10711 to 10677. [2022-07-14 04:09:11,895 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) [2022-07-14 04:09:11,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10677 states to 10677 states and 14780 transitions. [2022-07-14 04:09:11,991 INFO L78 Accepts]: Start accepts. Automaton has 10677 states and 14780 transitions. Word has length 206 [2022-07-14 04:09:11,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:09:11,993 INFO L495 AbstractCegarLoop]: Abstraction has 10677 states and 14780 transitions. [2022-07-14 04:09:11,994 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) [2022-07-14 04:09:11,995 INFO L276 IsEmpty]: Start isEmpty. Operand 10677 states and 14780 transitions. [2022-07-14 04:09:11,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-07-14 04:09:11,999 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:09:11,999 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] [2022-07-14 04:09:12,087 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-14 04:09:12,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:09:12,216 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)] === [2022-07-14 04:09:12,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:09:12,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1052481961, now seen corresponding path program 1 times [2022-07-14 04:09:12,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:09:12,219 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1388948009] [2022-07-14 04:09:12,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:09:12,219 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:09:12,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:09:12,226 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 04:09:12,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-14 04:09:14,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:14,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 2930 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:09:14,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:09:14,897 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-14 04:09:14,898 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:09:14,898 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:09:14,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1388948009] [2022-07-14 04:09:14,898 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1388948009] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:09:14,898 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:09:14,898 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:09:14,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440134230] [2022-07-14 04:09:14,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:09:14,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:09:14,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:09:14,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:09:14,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:09:14,900 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) [2022-07-14 04:09:16,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:09:16,134 INFO L93 Difference]: Finished difference Result 31877 states and 44370 transitions. [2022-07-14 04:09:16,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:09:16,135 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 [2022-07-14 04:09:16,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:09:16,329 INFO L225 Difference]: With dead ends: 31877 [2022-07-14 04:09:16,330 INFO L226 Difference]: Without dead ends: 21237 [2022-07-14 04:09:16,420 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 [2022-07-14 04:09:16,423 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 [2022-07-14 04:09:16,424 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] [2022-07-14 04:09:16,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21237 states. [2022-07-14 04:09:17,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21237 to 21199. [2022-07-14 04:09:17,436 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) [2022-07-14 04:09:17,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21199 states to 21199 states and 29572 transitions. [2022-07-14 04:09:17,593 INFO L78 Accepts]: Start accepts. Automaton has 21199 states and 29572 transitions. Word has length 216 [2022-07-14 04:09:17,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:09:17,594 INFO L495 AbstractCegarLoop]: Abstraction has 21199 states and 29572 transitions. [2022-07-14 04:09:17,595 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) [2022-07-14 04:09:17,595 INFO L276 IsEmpty]: Start isEmpty. Operand 21199 states and 29572 transitions. [2022-07-14 04:09:17,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-07-14 04:09:17,600 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:09:17,600 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] [2022-07-14 04:09:17,699 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-14 04:09:17,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:09:17,816 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)] === [2022-07-14 04:09:17,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:09:17,816 INFO L85 PathProgramCache]: Analyzing trace with hash -451934688, now seen corresponding path program 1 times [2022-07-14 04:09:17,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:09:17,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [182967291] [2022-07-14 04:09:17,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:09:17,820 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:09:17,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:09:17,822 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 04:09:17,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-14 04:09:20,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:20,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 2934 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:09:20,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:09:20,542 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-14 04:09:20,542 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:09:20,543 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:09:20,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [182967291] [2022-07-14 04:09:20,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [182967291] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:09:20,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:09:20,543 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:09:20,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782554028] [2022-07-14 04:09:20,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:09:20,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:09:20,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:09:20,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:09:20,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:09:20,545 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) [2022-07-14 04:09:22,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:09:22,136 INFO L93 Difference]: Finished difference Result 63219 states and 88816 transitions. [2022-07-14 04:09:22,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:09:22,137 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 [2022-07-14 04:09:22,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:09:22,613 INFO L225 Difference]: With dead ends: 63219 [2022-07-14 04:09:22,613 INFO L226 Difference]: Without dead ends: 42057 [2022-07-14 04:09:22,711 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 [2022-07-14 04:09:22,713 INFO L413 NwaCegarLoop]: 5193 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, 9440 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-14 04:09:22,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4168 Valid, 9440 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-14 04:09:22,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42057 states. [2022-07-14 04:09:24,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42057 to 42011. [2022-07-14 04:09:24,748 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) [2022-07-14 04:09:25,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42011 states to 42011 states and 59198 transitions. [2022-07-14 04:09:25,335 INFO L78 Accepts]: Start accepts. Automaton has 42011 states and 59198 transitions. Word has length 217 [2022-07-14 04:09:25,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:09:25,337 INFO L495 AbstractCegarLoop]: Abstraction has 42011 states and 59198 transitions. [2022-07-14 04:09:25,337 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) [2022-07-14 04:09:25,337 INFO L276 IsEmpty]: Start isEmpty. Operand 42011 states and 59198 transitions. [2022-07-14 04:09:25,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-07-14 04:09:25,341 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:09:25,342 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 16, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-14 04:09:25,448 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-14 04:09:25,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:09:25,564 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)] === [2022-07-14 04:09:25,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:09:25,564 INFO L85 PathProgramCache]: Analyzing trace with hash 902212664, now seen corresponding path program 1 times [2022-07-14 04:09:25,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:09:25,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [472079263] [2022-07-14 04:09:25,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:09:25,568 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:09:25,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:09:25,571 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 04:09:25,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-14 04:09:27,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:28,044 INFO L263 TraceCheckSpWp]: Trace formula consists of 2963 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:09:28,049 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:09:28,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-14 04:09:28,219 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:09:28,219 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:09:28,219 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [472079263] [2022-07-14 04:09:28,219 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [472079263] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:09:28,219 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:09:28,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:09:28,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107727010] [2022-07-14 04:09:28,220 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:09:28,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:09:28,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:09:28,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:09:28,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:09:28,221 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) [2022-07-14 04:09:31,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:09:31,262 INFO L93 Difference]: Finished difference Result 123175 states and 173006 transitions. [2022-07-14 04:09:31,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:09:31,263 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 [2022-07-14 04:09:31,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:09:32,173 INFO L225 Difference]: With dead ends: 123175 [2022-07-14 04:09:32,174 INFO L226 Difference]: Without dead ends: 81201 [2022-07-14 04:09:32,359 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 [2022-07-14 04:09:32,360 INFO L413 NwaCegarLoop]: 5010 mSDtfsCounter, 3901 mSDsluCounter, 4139 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.9s IncrementalHoareTripleChecker+Time [2022-07-14 04:09:32,361 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3901 Valid, 9149 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-14 04:09:32,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81201 states. [2022-07-14 04:09:35,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81201 to 81139. [2022-07-14 04:09:36,008 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) [2022-07-14 04:09:36,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81139 states to 81139 states and 113322 transitions. [2022-07-14 04:09:36,621 INFO L78 Accepts]: Start accepts. Automaton has 81139 states and 113322 transitions. Word has length 216 [2022-07-14 04:09:36,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:09:36,625 INFO L495 AbstractCegarLoop]: Abstraction has 81139 states and 113322 transitions. [2022-07-14 04:09:36,625 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) [2022-07-14 04:09:36,625 INFO L276 IsEmpty]: Start isEmpty. Operand 81139 states and 113322 transitions. [2022-07-14 04:09:36,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-07-14 04:09:36,628 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:09:36,628 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] [2022-07-14 04:09:36,717 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-14 04:09:36,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:09:36,847 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)] === [2022-07-14 04:09:36,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:09:36,849 INFO L85 PathProgramCache]: Analyzing trace with hash 2039273341, now seen corresponding path program 1 times [2022-07-14 04:09:36,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:09:36,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1557893837] [2022-07-14 04:09:36,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:09:36,852 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:09:36,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:09:36,854 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 04:09:36,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-14 04:09:39,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:39,594 INFO L263 TraceCheckSpWp]: Trace formula consists of 2962 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:09:39,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:09:39,737 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-14 04:09:39,737 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:09:39,737 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:09:39,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1557893837] [2022-07-14 04:09:39,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1557893837] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:09:39,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:09:39,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:09:39,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85895892] [2022-07-14 04:09:39,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:09:39,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:09:39,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:09:39,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:09:39,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:09:39,739 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) [2022-07-14 04:09:43,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:09:43,121 INFO L93 Difference]: Finished difference Result 165296 states and 229955 transitions. [2022-07-14 04:09:43,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:09:43,121 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 [2022-07-14 04:09:43,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:09:43,719 INFO L225 Difference]: With dead ends: 165296 [2022-07-14 04:09:43,719 INFO L226 Difference]: Without dead ends: 84194 [2022-07-14 04:09:44,031 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 [2022-07-14 04:09:44,032 INFO L413 NwaCegarLoop]: 5670 mSDtfsCounter, 3516 mSDsluCounter, 4162 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3516 SdHoareTripleChecker+Valid, 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, 0.6s IncrementalHoareTripleChecker+Time [2022-07-14 04:09:44,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3516 Valid, 9832 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-14 04:09:44,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84194 states. [2022-07-14 04:09:47,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84194 to 84134. [2022-07-14 04:09:47,311 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) [2022-07-14 04:09:47,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84134 states to 84134 states and 116229 transitions. [2022-07-14 04:09:47,893 INFO L78 Accepts]: Start accepts. Automaton has 84134 states and 116229 transitions. Word has length 215 [2022-07-14 04:09:47,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:09:47,894 INFO L495 AbstractCegarLoop]: Abstraction has 84134 states and 116229 transitions. [2022-07-14 04:09:47,895 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) [2022-07-14 04:09:47,895 INFO L276 IsEmpty]: Start isEmpty. Operand 84134 states and 116229 transitions. [2022-07-14 04:09:47,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-07-14 04:09:47,900 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:09:47,900 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] [2022-07-14 04:09:47,993 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-14 04:09:48,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:09:48,120 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)] === [2022-07-14 04:09:48,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:09:48,120 INFO L85 PathProgramCache]: Analyzing trace with hash -278055310, now seen corresponding path program 1 times [2022-07-14 04:09:48,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:09:48,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1105169819] [2022-07-14 04:09:48,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:09:48,124 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:09:48,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:09:48,125 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 04:09:48,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-14 04:09:50,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:09:50,821 INFO L263 TraceCheckSpWp]: Trace formula consists of 2997 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:09:50,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:09:51,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1187 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-14 04:09:51,008 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:09:51,008 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:09:51,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1105169819] [2022-07-14 04:09:51,009 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1105169819] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:09:51,009 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:09:51,009 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:09:51,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412458331] [2022-07-14 04:09:51,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:09:51,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:09:51,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:09:51,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:09:51,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:09:51,010 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) [2022-07-14 04:09:55,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:09:55,192 INFO L93 Difference]: Finished difference Result 220434 states and 305188 transitions. [2022-07-14 04:09:55,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:09:55,193 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 [2022-07-14 04:09:55,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:09:56,563 INFO L225 Difference]: With dead ends: 220434 [2022-07-14 04:09:56,563 INFO L226 Difference]: Without dead ends: 136337 [2022-07-14 04:09:56,875 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 [2022-07-14 04:09:56,875 INFO L413 NwaCegarLoop]: 5452 mSDtfsCounter, 4062 mSDsluCounter, 4188 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4062 SdHoareTripleChecker+Valid, 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, 0.5s IncrementalHoareTripleChecker+Time [2022-07-14 04:09:56,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4062 Valid, 9640 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-14 04:09:57,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136337 states. [2022-07-14 04:10:01,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136337 to 136243. [2022-07-14 04:10:01,743 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) [2022-07-14 04:10:02,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136243 states to 136243 states and 188575 transitions. [2022-07-14 04:10:02,680 INFO L78 Accepts]: Start accepts. Automaton has 136243 states and 188575 transitions. Word has length 242 [2022-07-14 04:10:02,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-14 04:10:02,681 INFO L495 AbstractCegarLoop]: Abstraction has 136243 states and 188575 transitions. [2022-07-14 04:10:02,681 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) [2022-07-14 04:10:02,682 INFO L276 IsEmpty]: Start isEmpty. Operand 136243 states and 188575 transitions. [2022-07-14 04:10:02,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2022-07-14 04:10:02,691 INFO L187 NwaCegarLoop]: Found error trace [2022-07-14 04:10:02,692 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] [2022-07-14 04:10:02,774 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-14 04:10:02,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-14 04:10:02,907 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exitErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2022-07-14 04:10:02,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-14 04:10:02,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1103780931, now seen corresponding path program 1 times [2022-07-14 04:10:02,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-14 04:10:02,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [816673538] [2022-07-14 04:10:02,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-14 04:10:02,912 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-14 04:10:02,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-14 04:10:02,918 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-07-14 04:10:02,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-14 04:10:05,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-14 04:10:05,665 INFO L263 TraceCheckSpWp]: Trace formula consists of 2987 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-14 04:10:05,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-14 04:10:05,837 INFO L134 CoverageAnalysis]: Checked inductivity of 1324 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 1245 trivial. 0 not checked. [2022-07-14 04:10:05,837 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-14 04:10:05,838 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-14 04:10:05,838 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [816673538] [2022-07-14 04:10:05,838 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [816673538] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-14 04:10:05,838 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-14 04:10:05,838 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-14 04:10:05,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073374055] [2022-07-14 04:10:05,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-14 04:10:05,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-14 04:10:05,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-14 04:10:05,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-14 04:10:05,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-14 04:10:05,839 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) [2022-07-14 04:10:14,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-14 04:10:14,080 INFO L93 Difference]: Finished difference Result 404755 states and 560442 transitions. [2022-07-14 04:10:14,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-14 04:10:14,081 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 [2022-07-14 04:10:14,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-14 04:10:15,993 INFO L225 Difference]: With dead ends: 404755 [2022-07-14 04:10:15,993 INFO L226 Difference]: Without dead ends: 268646 [2022-07-14 04:10:16,971 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 [2022-07-14 04:10:16,972 INFO L413 NwaCegarLoop]: 5967 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, 10173 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-14 04:10:16,972 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4052 Valid, 10173 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-14 04:10:17,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268646 states.