./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 35987657 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-?-3598765 [2022-07-21 14:59:35,277 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 14:59:35,278 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 14:59:35,304 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 14:59:35,305 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 14:59:35,306 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 14:59:35,307 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 14:59:35,309 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 14:59:35,310 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 14:59:35,311 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 14:59:35,312 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 14:59:35,313 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 14:59:35,313 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 14:59:35,314 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 14:59:35,315 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 14:59:35,316 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 14:59:35,316 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 14:59:35,317 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 14:59:35,318 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 14:59:35,320 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 14:59:35,321 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 14:59:35,322 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 14:59:35,323 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 14:59:35,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 14:59:35,324 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 14:59:35,332 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 14:59:35,333 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 14:59:35,333 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 14:59:35,334 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 14:59:35,334 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 14:59:35,335 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 14:59:35,335 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 14:59:35,336 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 14:59:35,336 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 14:59:35,337 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 14:59:35,338 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 14:59:35,338 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 14:59:35,339 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 14:59:35,339 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 14:59:35,339 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 14:59:35,340 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 14:59:35,341 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 14:59:35,342 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-21 14:59:35,361 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 14:59:35,362 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 14:59:35,362 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 14:59:35,363 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 14:59:35,363 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 14:59:35,363 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 14:59:35,364 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 14:59:35,364 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 14:59:35,365 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 14:59:35,365 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 14:59:35,366 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 14:59:35,366 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 14:59:35,366 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 14:59:35,366 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 14:59:35,366 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 14:59:35,366 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 14:59:35,367 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 14:59:35,367 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 14:59:35,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 14:59:35,367 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 14:59:35,368 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 14:59:35,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:59:35,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 14:59:35,368 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 14:59:35,368 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 14:59:35,368 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 14:59:35,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 14:59:35,369 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 14:59:35,369 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 14:59:35,369 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 14:59:35,369 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05e3ebea4820703b3259b4b6dd440513670562ea5166f99f8e3aabd0be2e3f32 [2022-07-21 14:59:35,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 14:59:35,738 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 14:59:35,741 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 14:59:35,742 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 14:59:35,743 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 14:59:35,746 INFO L432 ainManager$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 [2022-07-21 14:59:35,819 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f63f0f9b8/05963add185e458a8ef6d7226f14334a/FLAG90689e894 [2022-07-21 14:59:36,787 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 14:59:36,788 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 [2022-07-21 14:59:36,842 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f63f0f9b8/05963add185e458a8ef6d7226f14334a/FLAG90689e894 [2022-07-21 14:59:37,223 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f63f0f9b8/05963add185e458a8ef6d7226f14334a [2022-07-21 14:59:37,226 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 14:59:37,229 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 14:59:37,232 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 14:59:37,232 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 14:59:37,238 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 14:59:37,238 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:59:37" (1/1) ... [2022-07-21 14:59:37,239 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17e08b2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:59:37, skipping insertion in model container [2022-07-21 14:59:37,239 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:59:37" (1/1) ... [2022-07-21 14:59:37,245 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 14:59:37,414 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 14:59:42,210 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] [2022-07-21 14:59:42,213 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] [2022-07-21 14:59:42,213 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] [2022-07-21 14:59:42,215 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] [2022-07-21 14:59:42,237 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:59:42,363 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 14:59:42,879 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) [2022-07-21 14:59:42,887 INFO L158 Benchmark]: Toolchain (without parser) took 5656.38ms. Allocated memory was 62.9MB in the beginning and 176.2MB in the end (delta: 113.2MB). Free memory was 34.8MB in the beginning and 96.8MB in the end (delta: -62.0MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. [2022-07-21 14:59:42,888 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 62.9MB. Free memory was 43.8MB in the beginning and 43.8MB in the end (delta: 28.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 14:59:42,889 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5652.56ms. Allocated memory was 62.9MB in the beginning and 176.2MB in the end (delta: 113.2MB). Free memory was 34.5MB in the beginning and 96.8MB in the end (delta: -62.4MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. [2022-07-21 14:59:42,900 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 62.9MB. Free memory was 43.8MB in the beginning and 43.8MB in the end (delta: 28.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 5652.56ms. Allocated memory was 62.9MB in the beginning and 176.2MB in the end (delta: 113.2MB). Free memory was 34.5MB in the beginning and 96.8MB in the end (delta: -62.4MB). Peak memory consumption was 77.6MB. 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-?-3598765 [2022-07-21 14:59:44,735 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 14:59:44,738 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 14:59:44,775 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 14:59:44,776 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 14:59:44,777 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 14:59:44,781 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 14:59:44,784 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 14:59:44,786 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 14:59:44,790 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 14:59:44,791 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 14:59:44,795 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 14:59:44,796 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 14:59:44,798 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 14:59:44,800 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 14:59:44,801 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 14:59:44,801 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 14:59:44,803 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 14:59:44,806 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 14:59:44,811 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 14:59:44,813 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 14:59:44,814 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 14:59:44,815 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 14:59:44,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 14:59:44,817 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 14:59:44,824 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 14:59:44,824 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 14:59:44,825 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 14:59:44,825 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 14:59:44,826 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 14:59:44,827 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 14:59:44,827 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 14:59:44,828 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 14:59:44,829 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 14:59:44,830 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 14:59:44,831 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 14:59:44,831 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 14:59:44,832 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 14:59:44,832 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 14:59:44,832 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 14:59:44,833 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 14:59:44,834 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 14:59:44,839 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-07-21 14:59:44,876 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 14:59:44,876 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 14:59:44,877 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 14:59:44,877 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 14:59:44,877 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 14:59:44,878 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 14:59:44,878 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 14:59:44,878 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 14:59:44,879 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 14:59:44,879 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 14:59:44,880 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 14:59:44,880 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 14:59:44,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 14:59:44,880 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 14:59:44,880 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-07-21 14:59:44,881 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-07-21 14:59:44,881 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-07-21 14:59:44,881 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 14:59:44,881 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 14:59:44,881 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 14:59:44,882 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 14:59:44,882 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 14:59:44,882 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 14:59:44,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:59:44,882 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 14:59:44,883 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 14:59:44,883 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 14:59:44,883 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-07-21 14:59:44,883 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-07-21 14:59:44,883 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 14:59:44,884 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 14:59:44,884 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 14:59:44,884 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-07-21 14:59:44,884 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05e3ebea4820703b3259b4b6dd440513670562ea5166f99f8e3aabd0be2e3f32 [2022-07-21 14:59:45,218 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 14:59:45,247 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 14:59:45,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 14:59:45,251 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 14:59:45,251 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 14:59:45,253 INFO L432 ainManager$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 [2022-07-21 14:59:45,322 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10bf62e46/385b394375c84f5dbb33445d9e5b2f5b/FLAG643892509 [2022-07-21 14:59:46,210 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 14:59:46,211 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 [2022-07-21 14:59:46,275 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10bf62e46/385b394375c84f5dbb33445d9e5b2f5b/FLAG643892509 [2022-07-21 14:59:46,644 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10bf62e46/385b394375c84f5dbb33445d9e5b2f5b [2022-07-21 14:59:46,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 14:59:46,649 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 14:59:46,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 14:59:46,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 14:59:46,654 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 14:59:46,655 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:59:46" (1/1) ... [2022-07-21 14:59:46,656 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f44d0c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:59:46, skipping insertion in model container [2022-07-21 14:59:46,656 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 02:59:46" (1/1) ... [2022-07-21 14:59:46,663 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 14:59:46,849 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 14:59:51,201 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460236,460249] [2022-07-21 14:59:51,203 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] [2022-07-21 14:59:51,204 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] [2022-07-21 14:59:51,204 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] [2022-07-21 14:59:51,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:59:51,285 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-07-21 14:59:51,369 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 14:59:51,699 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] [2022-07-21 14:59:51,700 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] [2022-07-21 14:59:51,700 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] [2022-07-21 14:59:51,701 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] [2022-07-21 14:59:51,706 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:59:51,750 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 14:59:52,146 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] [2022-07-21 14:59:52,154 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] [2022-07-21 14:59:52,155 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460572,460585] [2022-07-21 14:59:52,155 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460740,460753] [2022-07-21 14:59:52,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 14:59:52,583 INFO L208 MainTranslator]: Completed translation [2022-07-21 14:59:52,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:59:52 WrapperNode [2022-07-21 14:59:52,585 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 14:59:52,586 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 14:59:52,586 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 14:59:52,587 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 14:59:52,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:59:52" (1/1) ... [2022-07-21 14:59:52,728 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:59:52" (1/1) ... [2022-07-21 14:59:52,988 INFO L137 Inliner]: procedures = 690, calls = 4362, calls flagged for inlining = 337, calls inlined = 299, statements flattened = 8284 [2022-07-21 14:59:52,989 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 14:59:52,989 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 14:59:52,989 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 14:59:52,990 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 14:59:53,005 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:59:52" (1/1) ... [2022-07-21 14:59:53,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:59:52" (1/1) ... [2022-07-21 14:59:53,081 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:59:52" (1/1) ... [2022-07-21 14:59:53,082 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:59:52" (1/1) ... [2022-07-21 14:59:53,235 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:59:52" (1/1) ... [2022-07-21 14:59:53,269 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:59:52" (1/1) ... [2022-07-21 14:59:53,323 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:59:52" (1/1) ... [2022-07-21 14:59:53,380 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 14:59:53,382 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 14:59:53,382 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 14:59:53,382 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 14:59:53,383 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:59:52" (1/1) ... [2022-07-21 14:59:53,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 14:59:53,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 14:59:53,411 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) [2022-07-21 14:59:53,426 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 [2022-07-21 14:59:53,451 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-07-21 14:59:53,451 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-07-21 14:59:53,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-21 14:59:53,451 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-21 14:59:53,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2022-07-21 14:59:53,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2022-07-21 14:59:53,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_80 [2022-07-21 14:59:53,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_80 [2022-07-21 14:59:53,452 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-21 14:59:53,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-21 14:59:53,452 INFO L130 BoogieDeclarations]: Found specification of procedure alx_halt [2022-07-21 14:59:53,453 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_halt [2022-07-21 14:59:53,453 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_txbuf [2022-07-21 14:59:53,453 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_txbuf [2022-07-21 14:59:53,453 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2022-07-21 14:59:53,453 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2022-07-21 14:59:53,453 INFO L130 BoogieDeclarations]: Found specification of procedure alx_suspend [2022-07-21 14:59:53,453 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_suspend [2022-07-21 14:59:53,454 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_read_phy_reg [2022-07-21 14:59:53,454 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_read_phy_reg [2022-07-21 14:59:53,454 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-21 14:59:53,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-21 14:59:53,454 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-07-21 14:59:53,454 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-07-21 14:59:53,455 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_reg [2022-07-21 14:59:53,455 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_reg [2022-07-21 14:59:53,455 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-07-21 14:59:53,455 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-07-21 14:59:53,455 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-07-21 14:59:53,455 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-07-21 14:59:53,456 INFO L130 BoogieDeclarations]: Found specification of procedure alx_pci_error_resume [2022-07-21 14:59:53,456 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_pci_error_resume [2022-07-21 14:59:53,456 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tx_timeout [2022-07-21 14:59:53,456 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tx_timeout [2022-07-21 14:59:53,456 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_enable [2022-07-21 14:59:53,456 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_enable [2022-07-21 14:59:53,456 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-21 14:59:53,457 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-21 14:59:53,457 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem16 [2022-07-21 14:59:53,457 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem16 [2022-07-21 14:59:53,457 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-21 14:59:53,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-07-21 14:59:53,457 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_disable [2022-07-21 14:59:53,458 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_disable [2022-07-21 14:59:53,458 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-07-21 14:59:53,458 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-07-21 14:59:53,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-21 14:59:53,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-21 14:59:53,458 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-21 14:59:53,458 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-21 14:59:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-07-21 14:59:53,459 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-07-21 14:59:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure alx_activate [2022-07-21 14:59:53,459 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_activate [2022-07-21 14:59:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure alx_remove [2022-07-21 14:59:53,459 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_remove [2022-07-21 14:59:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-21 14:59:53,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-21 14:59:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_msi [2022-07-21 14:59:53,460 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_msi [2022-07-21 14:59:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-07-21 14:59:53,460 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-07-21 14:59:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-21 14:59:53,461 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-07-21 14:59:53,461 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-07-21 14:59:53,461 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_write [2022-07-21 14:59:53,461 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_write [2022-07-21 14:59:53,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-07-21 14:59:53,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-07-21 14:59:53,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-07-21 14:59:53,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_62 [2022-07-21 14:59:53,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_62 [2022-07-21 14:59:53,462 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-07-21 14:59:53,462 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-07-21 14:59:53,462 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-07-21 14:59:53,462 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-07-21 14:59:53,463 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_reg [2022-07-21 14:59:53,463 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_reg [2022-07-21 14:59:53,463 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2022-07-21 14:59:53,463 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_ext [2022-07-21 14:59:53,463 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_ext [2022-07-21 14:59:53,463 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-21 14:59:53,463 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-21 14:59:53,464 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-21 14:59:53,464 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-21 14:59:53,464 INFO L130 BoogieDeclarations]: Found specification of procedure ethadv_to_hw_cfg [2022-07-21 14:59:53,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ethadv_to_hw_cfg [2022-07-21 14:59:53,464 INFO L130 BoogieDeclarations]: Found specification of procedure alx_stop [2022-07-21 14:59:53,464 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_stop [2022-07-21 14:59:53,465 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-07-21 14:59:53,465 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-07-21 14:59:53,465 INFO L130 BoogieDeclarations]: Found specification of procedure alx_resume [2022-07-21 14:59:53,465 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_resume [2022-07-21 14:59:53,465 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-21 14:59:53,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-21 14:59:53,465 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_link_check [2022-07-21 14:59:53,466 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_link_check [2022-07-21 14:59:53,466 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-21 14:59:53,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-21 14:59:53,466 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-21 14:59:53,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-07-21 14:59:53,466 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-07-21 14:59:53,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-07-21 14:59:53,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-21 14:59:53,467 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-21 14:59:53,467 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-07-21 14:59:53,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-07-21 14:59:53,467 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_open [2022-07-21 14:59:53,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_open [2022-07-21 14:59:53,468 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_core [2022-07-21 14:59:53,468 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_core [2022-07-21 14:59:53,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-07-21 14:59:53,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-07-21 14:59:53,468 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-07-21 14:59:53,468 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-07-21 14:59:53,469 INFO L130 BoogieDeclarations]: Found specification of procedure alx_update_hw_stats [2022-07-21 14:59:53,469 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_update_hw_stats [2022-07-21 14:59:53,469 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem32 [2022-07-21 14:59:53,469 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem32 [2022-07-21 14:59:53,469 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-07-21 14:59:53,469 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-07-21 14:59:53,469 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-21 14:59:53,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-07-21 14:59:53,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-21 14:59:53,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-07-21 14:59:53,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-07-21 14:59:53,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-07-21 14:59:53,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-07-21 14:59:53,470 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-07-21 14:59:53,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-07-21 14:59:53,471 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_dbg [2022-07-21 14:59:53,471 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_dbg [2022-07-21 14:59:53,471 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-07-21 14:59:53,471 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-07-21 14:59:53,471 INFO L130 BoogieDeclarations]: Found specification of procedure alx_netif_stop [2022-07-21 14:59:53,471 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_netif_stop [2022-07-21 14:59:53,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 14:59:53,472 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-07-21 14:59:53,472 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-07-21 14:59:53,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-21 14:59:53,472 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-21 14:59:53,472 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-07-21 14:59:53,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-07-21 14:59:53,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-21 14:59:53,473 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-21 14:59:53,473 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_giga [2022-07-21 14:59:53,473 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_giga [2022-07-21 14:59:53,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-07-21 14:59:53,473 INFO L130 BoogieDeclarations]: Found specification of procedure alx_poll_controller [2022-07-21 14:59:53,473 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_poll_controller [2022-07-21 14:59:53,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-07-21 14:59:53,474 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_pcie [2022-07-21 14:59:53,474 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_pcie [2022-07-21 14:59:53,474 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 14:59:53,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-21 14:59:53,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-07-21 14:59:53,474 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-07-21 14:59:53,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-07-21 14:59:53,475 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2022-07-21 14:59:53,475 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2022-07-21 14:59:53,475 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_reset [2022-07-21 14:59:53,475 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_reset [2022-07-21 14:59:53,475 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_legacy [2022-07-21 14:59:53,475 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_legacy [2022-07-21 14:59:53,476 INFO L130 BoogieDeclarations]: Found specification of procedure alx_refill_rx_ring [2022-07-21 14:59:53,476 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_refill_rx_ring [2022-07-21 14:59:53,476 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_dbg [2022-07-21 14:59:53,476 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_dbg [2022-07-21 14:59:53,476 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-07-21 14:59:53,476 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-07-21 14:59:53,476 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-07-21 14:59:53,477 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-07-21 14:59:53,477 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-07-21 14:59:53,477 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-07-21 14:59:53,477 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-07-21 14:59:53,477 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-07-21 14:59:53,477 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_macaddr [2022-07-21 14:59:53,477 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_macaddr [2022-07-21 14:59:53,478 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-07-21 14:59:53,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-07-21 14:59:53,478 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2022-07-21 14:59:53,478 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2022-07-21 14:59:53,478 INFO L130 BoogieDeclarations]: Found specification of procedure alx_speed_to_ethadv [2022-07-21 14:59:53,478 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_speed_to_ethadv [2022-07-21 14:59:53,478 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-07-21 14:59:53,479 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-07-21 14:59:53,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-07-21 14:59:53,479 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_rings [2022-07-21 14:59:53,479 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_rings [2022-07-21 14:59:53,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 14:59:53,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 14:59:53,479 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-21 14:59:53,480 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-21 14:59:53,480 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2022-07-21 14:59:53,480 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2022-07-21 14:59:53,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-07-21 14:59:53,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-07-21 14:59:53,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-07-21 14:59:53,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-21 14:59:53,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-07-21 14:59:53,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-21 14:59:53,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-21 14:59:53,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-21 14:59:53,481 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2022-07-21 14:59:53,481 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2022-07-21 14:59:53,481 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-21 14:59:53,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-21 14:59:53,482 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-07-21 14:59:53,482 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-07-21 14:59:53,482 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-07-21 14:59:53,482 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-07-21 14:59:53,482 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-07-21 14:59:53,482 INFO L130 BoogieDeclarations]: Found specification of procedure alx_open [2022-07-21 14:59:53,483 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_open [2022-07-21 14:59:53,483 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-07-21 14:59:53,483 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-07-21 14:59:53,483 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-07-21 14:59:53,483 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-07-21 14:59:53,483 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_with_cr [2022-07-21 14:59:53,483 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_with_cr [2022-07-21 14:59:53,484 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-07-21 14:59:53,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-07-21 14:59:53,484 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2022-07-21 14:59:53,484 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2022-07-21 14:59:53,484 INFO L130 BoogieDeclarations]: Found specification of procedure alx_get_supported_speeds [2022-07-21 14:59:53,484 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_get_supported_speeds [2022-07-21 14:59:53,484 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-21 14:59:53,485 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-21 14:59:53,485 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_macaddr [2022-07-21 14:59:53,485 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_macaddr [2022-07-21 14:59:53,485 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_mem32 [2022-07-21 14:59:53,485 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_mem32 [2022-07-21 14:59:53,485 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-07-21 14:59:53,485 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-07-21 14:59:53,486 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-21 14:59:53,486 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-21 14:59:53,486 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-07-21 14:59:53,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-07-21 14:59:53,486 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-07-21 14:59:53,486 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-07-21 14:59:53,486 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-07-21 14:59:53,487 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-07-21 14:59:53,487 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-21 14:59:53,487 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-21 14:59:53,487 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-21 14:59:53,487 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-21 14:59:53,487 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-21 14:59:53,488 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit_rings [2022-07-21 14:59:53,488 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit_rings [2022-07-21 14:59:53,488 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_reg [2022-07-21 14:59:53,488 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_reg [2022-07-21 14:59:53,488 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-07-21 14:59:53,488 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-07-21 14:59:53,488 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_buffers [2022-07-21 14:59:53,489 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_buffers [2022-07-21 14:59:53,489 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-07-21 14:59:53,489 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-07-21 14:59:53,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-21 14:59:53,489 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_lock_of_alx_priv [2022-07-21 14:59:53,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_lock_of_alx_priv [2022-07-21 14:59:53,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-07-21 14:59:53,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-07-21 14:59:53,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-07-21 14:59:53,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-07-21 14:59:53,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-21 14:59:53,490 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_mdio_idle [2022-07-21 14:59:53,490 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_mdio_idle [2022-07-21 14:59:53,490 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-07-21 14:59:53,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-07-21 14:59:53,491 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_handle [2022-07-21 14:59:53,491 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_handle [2022-07-21 14:59:53,491 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-07-21 14:59:53,491 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-07-21 14:59:53,491 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-21 14:59:53,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-21 14:59:53,491 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-21 14:59:53,492 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-21 14:59:53,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-07-21 14:59:53,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-07-21 14:59:53,492 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-21 14:59:53,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-21 14:59:53,492 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-07-21 14:59:53,492 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-07-21 14:59:53,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2022-07-21 14:59:53,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2022-07-21 14:59:53,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_88 [2022-07-21 14:59:53,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_88 [2022-07-21 14:59:53,493 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2022-07-21 14:59:53,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2022-07-21 14:59:53,493 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-07-21 14:59:53,494 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-07-21 14:59:53,494 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-21 14:59:53,494 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-21 14:59:53,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_63 [2022-07-21 14:59:53,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_63 [2022-07-21 14:59:53,494 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 14:59:53,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-07-21 14:59:53,495 INFO L130 BoogieDeclarations]: Found specification of procedure alx_is_rev_a [2022-07-21 14:59:53,495 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_is_rev_a [2022-07-21 14:59:53,495 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-07-21 14:59:53,495 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-07-21 14:59:53,495 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_core [2022-07-21 14:59:53,495 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_core [2022-07-21 14:59:53,495 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-21 14:59:53,496 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-21 14:59:53,496 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_ext [2022-07-21 14:59:53,496 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_ext [2022-07-21 14:59:53,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-07-21 14:59:53,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-07-21 14:59:53,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-07-21 14:59:53,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-07-21 14:59:53,497 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-21 14:59:53,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-21 14:59:53,497 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_phy_link [2022-07-21 14:59:53,497 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_phy_link [2022-07-21 14:59:53,497 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit [2022-07-21 14:59:53,497 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit [2022-07-21 14:59:53,497 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tpd_avail [2022-07-21 14:59:53,497 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tpd_avail [2022-07-21 14:59:53,498 INFO L130 BoogieDeclarations]: Found specification of procedure alx_setup_speed_duplex [2022-07-21 14:59:53,498 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_setup_speed_duplex [2022-07-21 14:59:53,498 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-07-21 14:59:53,498 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-07-21 14:59:53,498 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_stop [2022-07-21 14:59:53,498 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_stop [2022-07-21 14:59:53,498 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-07-21 14:59:53,499 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-07-21 14:59:53,499 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-07-21 14:59:53,499 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-07-21 14:59:53,499 INFO L130 BoogieDeclarations]: Found specification of procedure alx_enable_aspm [2022-07-21 14:59:53,499 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_enable_aspm [2022-07-21 14:59:53,499 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_rx_mode [2022-07-21 14:59:53,499 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_rx_mode [2022-07-21 14:59:53,499 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_revision [2022-07-21 14:59:53,500 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_revision [2022-07-21 14:59:53,500 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_set_rx_mode [2022-07-21 14:59:53,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_set_rx_mode [2022-07-21 14:59:53,500 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_89 [2022-07-21 14:59:53,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_89 [2022-07-21 14:59:53,500 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_write_phy_reg [2022-07-21 14:59:53,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_write_phy_reg [2022-07-21 14:59:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-07-21 14:59:53,501 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-07-21 14:59:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-07-21 14:59:53,501 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-07-21 14:59:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-21 14:59:53,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-21 14:59:53,501 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-07-21 14:59:53,502 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-07-21 14:59:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-07-21 14:59:53,502 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-07-21 14:59:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure alx_configure [2022-07-21 14:59:53,502 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_configure [2022-07-21 14:59:53,502 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_phy [2022-07-21 14:59:53,502 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_phy [2022-07-21 14:59:53,503 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2022-07-21 14:59:53,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2022-07-21 14:59:53,503 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-21 14:59:53,503 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-21 14:59:53,503 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-07-21 14:59:53,503 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-07-21 14:59:53,503 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-07-21 14:59:53,504 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-07-21 14:59:53,504 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-07-21 14:59:53,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-07-21 14:59:53,504 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le64 [2022-07-21 14:59:53,504 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le64 [2022-07-21 14:59:53,504 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_mac [2022-07-21 14:59:53,505 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_mac [2022-07-21 14:59:54,474 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 14:59:54,477 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 14:59:54,578 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-21 15:00:34,520 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-07-21 15:00:35,305 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 15:00:35,325 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 15:00:35,325 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2022-07-21 15:00:35,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:00:35 BoogieIcfgContainer [2022-07-21 15:00:35,331 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 15:00:35,333 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 15:00:35,333 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 15:00:35,336 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 15:00:35,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 02:59:46" (1/3) ... [2022-07-21 15:00:35,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@230c73cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:00:35, skipping insertion in model container [2022-07-21 15:00:35,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 02:59:52" (2/3) ... [2022-07-21 15:00:35,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@230c73cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 03:00:35, skipping insertion in model container [2022-07-21 15:00:35,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 03:00:35" (3/3) ... [2022-07-21 15:00:35,338 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2022-07-21 15:00:35,350 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 15:00:35,351 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-07-21 15:00:35,449 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 15:00:35,454 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@650ddeed, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@60920635 [2022-07-21 15:00:35,454 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-07-21 15:00:35,466 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) [2022-07-21 15:00:35,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-07-21 15:00:35,488 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:00:35,489 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] [2022-07-21 15:00:35,489 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)] === [2022-07-21 15:00:35,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:00:35,494 INFO L85 PathProgramCache]: Analyzing trace with hash -681699794, now seen corresponding path program 1 times [2022-07-21 15:00:35,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:00:35,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1450681772] [2022-07-21 15:00:35,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:00:35,513 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:00:35,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:00:35,519 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) [2022-07-21 15:00:35,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-07-21 15:00:37,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:37,969 INFO L263 TraceCheckSpWp]: Trace formula consists of 2862 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 15:00:37,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:00:38,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-21 15:00:38,247 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:00:38,248 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:00:38,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1450681772] [2022-07-21 15:00:38,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1450681772] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:00:38,250 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:00:38,250 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 15:00:38,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760161840] [2022-07-21 15:00:38,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:00:38,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 15:00:38,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:00:38,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 15:00:38,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 15:00:38,297 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) [2022-07-21 15:00:39,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:00:39,270 INFO L93 Difference]: Finished difference Result 9053 states and 13034 transitions. [2022-07-21 15:00:39,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 15:00:39,273 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 [2022-07-21 15:00:39,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:00:39,339 INFO L225 Difference]: With dead ends: 9053 [2022-07-21 15:00:39,340 INFO L226 Difference]: Without dead ends: 5966 [2022-07-21 15:00:39,372 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 [2022-07-21 15:00:39,378 INFO L413 NwaCegarLoop]: 5062 mSDtfsCounter, 4094 mSDsluCounter, 4203 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.6s IncrementalHoareTripleChecker+Time [2022-07-21 15:00:39,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4094 Valid, 9265 Invalid, 34 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-21 15:00:39,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5966 states. [2022-07-21 15:00:39,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5966 to 5962. [2022-07-21 15:00:39,808 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) [2022-07-21 15:00:39,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5962 states to 5962 states and 8291 transitions. [2022-07-21 15:00:39,861 INFO L78 Accepts]: Start accepts. Automaton has 5962 states and 8291 transitions. Word has length 204 [2022-07-21 15:00:39,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:00:39,865 INFO L495 AbstractCegarLoop]: Abstraction has 5962 states and 8291 transitions. [2022-07-21 15:00:39,865 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) [2022-07-21 15:00:39,866 INFO L276 IsEmpty]: Start isEmpty. Operand 5962 states and 8291 transitions. [2022-07-21 15:00:39,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-07-21 15:00:39,876 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:00:39,877 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] [2022-07-21 15:00:39,966 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-07-21 15:00:40,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:00:40,096 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)] === [2022-07-21 15:00:40,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:00:40,097 INFO L85 PathProgramCache]: Analyzing trace with hash 825198181, now seen corresponding path program 1 times [2022-07-21 15:00:40,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:00:40,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1021550298] [2022-07-21 15:00:40,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:00:40,101 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:00:40,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:00:40,105 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) [2022-07-21 15:00:40,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-07-21 15:00:42,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:42,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 2903 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 15:00:42,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:00:42,637 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-21 15:00:42,637 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:00:42,638 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:00:42,638 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1021550298] [2022-07-21 15:00:42,638 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1021550298] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:00:42,638 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:00:42,638 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 15:00:42,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646453153] [2022-07-21 15:00:42,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:00:42,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 15:00:42,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:00:42,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 15:00:42,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 15:00:42,641 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) [2022-07-21 15:00:43,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:00:43,916 INFO L93 Difference]: Finished difference Result 16636 states and 23075 transitions. [2022-07-21 15:00:43,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 15:00:43,917 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 [2022-07-21 15:00:43,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:00:44,006 INFO L225 Difference]: With dead ends: 16636 [2022-07-21 15:00:44,007 INFO L226 Difference]: Without dead ends: 10711 [2022-07-21 15:00:44,046 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 [2022-07-21 15:00:44,049 INFO L413 NwaCegarLoop]: 4908 mSDtfsCounter, 3341 mSDsluCounter, 4128 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3341 SdHoareTripleChecker+Valid, 9036 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-21 15:00:44,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3341 Valid, 9036 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-21 15:00:44,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10711 states. [2022-07-21 15:00:44,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10711 to 10677. [2022-07-21 15:00:44,499 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) [2022-07-21 15:00:44,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10677 states to 10677 states and 14780 transitions. [2022-07-21 15:00:44,572 INFO L78 Accepts]: Start accepts. Automaton has 10677 states and 14780 transitions. Word has length 206 [2022-07-21 15:00:44,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:00:44,574 INFO L495 AbstractCegarLoop]: Abstraction has 10677 states and 14780 transitions. [2022-07-21 15:00:44,575 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) [2022-07-21 15:00:44,575 INFO L276 IsEmpty]: Start isEmpty. Operand 10677 states and 14780 transitions. [2022-07-21 15:00:44,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-07-21 15:00:44,579 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:00:44,580 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] [2022-07-21 15:00:44,671 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-07-21 15:00:44,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:00:44,804 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)] === [2022-07-21 15:00:44,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:00:44,804 INFO L85 PathProgramCache]: Analyzing trace with hash -1052481961, now seen corresponding path program 1 times [2022-07-21 15:00:44,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:00:44,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2125293815] [2022-07-21 15:00:44,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:00:44,809 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:00:44,809 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:00:44,811 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) [2022-07-21 15:00:44,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-07-21 15:00:46,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:47,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 2930 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 15:00:47,026 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:00:47,242 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-21 15:00:47,242 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:00:47,242 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:00:47,243 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2125293815] [2022-07-21 15:00:47,243 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2125293815] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:00:47,243 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:00:47,243 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 15:00:47,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600080054] [2022-07-21 15:00:47,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:00:47,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 15:00:47,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:00:47,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 15:00:47,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 15:00:47,245 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) [2022-07-21 15:00:48,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:00:48,240 INFO L93 Difference]: Finished difference Result 31877 states and 44370 transitions. [2022-07-21 15:00:48,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 15:00:48,241 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 [2022-07-21 15:00:48,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:00:48,417 INFO L225 Difference]: With dead ends: 31877 [2022-07-21 15:00:48,417 INFO L226 Difference]: Without dead ends: 21237 [2022-07-21 15:00:48,498 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 [2022-07-21 15:00:48,501 INFO L413 NwaCegarLoop]: 5752 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, 9999 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 [2022-07-21 15:00:48,502 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4167 Valid, 9999 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-21 15:00:48,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21237 states. [2022-07-21 15:00:49,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21237 to 21199. [2022-07-21 15:00:49,696 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) [2022-07-21 15:00:49,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21199 states to 21199 states and 29572 transitions. [2022-07-21 15:00:49,842 INFO L78 Accepts]: Start accepts. Automaton has 21199 states and 29572 transitions. Word has length 216 [2022-07-21 15:00:49,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:00:49,844 INFO L495 AbstractCegarLoop]: Abstraction has 21199 states and 29572 transitions. [2022-07-21 15:00:49,844 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) [2022-07-21 15:00:49,844 INFO L276 IsEmpty]: Start isEmpty. Operand 21199 states and 29572 transitions. [2022-07-21 15:00:49,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-07-21 15:00:49,849 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:00:49,849 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] [2022-07-21 15:00:49,942 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-07-21 15:00:50,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:00:50,072 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)] === [2022-07-21 15:00:50,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:00:50,072 INFO L85 PathProgramCache]: Analyzing trace with hash -451934688, now seen corresponding path program 1 times [2022-07-21 15:00:50,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:00:50,076 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1120188421] [2022-07-21 15:00:50,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:00:50,076 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:00:50,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:00:50,079 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) [2022-07-21 15:00:50,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-07-21 15:00:52,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:00:52,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 2934 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 15:00:52,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:00:52,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-21 15:00:52,733 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:00:52,733 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:00:52,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1120188421] [2022-07-21 15:00:52,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1120188421] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:00:52,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:00:52,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 15:00:52,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847950186] [2022-07-21 15:00:52,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:00:52,734 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 15:00:52,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:00:52,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 15:00:52,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 15:00:52,735 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) [2022-07-21 15:00:54,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:00:54,488 INFO L93 Difference]: Finished difference Result 63219 states and 88816 transitions. [2022-07-21 15:00:54,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 15:00:54,491 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 [2022-07-21 15:00:54,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:00:54,774 INFO L225 Difference]: With dead ends: 63219 [2022-07-21 15:00:54,774 INFO L226 Difference]: Without dead ends: 42057 [2022-07-21 15:00:55,046 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 [2022-07-21 15:00:55,048 INFO L413 NwaCegarLoop]: 5745 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, 9992 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-21 15:00:55,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4168 Valid, 9992 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-21 15:00:55,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42057 states. [2022-07-21 15:00:57,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42057 to 42011. [2022-07-21 15:00:57,120 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) [2022-07-21 15:00:57,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42011 states to 42011 states and 59198 transitions. [2022-07-21 15:00:57,593 INFO L78 Accepts]: Start accepts. Automaton has 42011 states and 59198 transitions. Word has length 217 [2022-07-21 15:00:57,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:00:57,594 INFO L495 AbstractCegarLoop]: Abstraction has 42011 states and 59198 transitions. [2022-07-21 15:00:57,595 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) [2022-07-21 15:00:57,595 INFO L276 IsEmpty]: Start isEmpty. Operand 42011 states and 59198 transitions. [2022-07-21 15:00:57,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-07-21 15:00:57,598 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:00:57,599 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] [2022-07-21 15:00:57,670 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-07-21 15:00:57,823 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:00:57,823 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)] === [2022-07-21 15:00:57,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:00:57,824 INFO L85 PathProgramCache]: Analyzing trace with hash 902212664, now seen corresponding path program 1 times [2022-07-21 15:00:57,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:00:57,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1684140219] [2022-07-21 15:00:57,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:00:57,828 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:00:57,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:00:57,830 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) [2022-07-21 15:00:57,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-07-21 15:01:00,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:00,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 2963 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 15:01:00,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:01:00,542 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-21 15:01:00,543 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:01:00,543 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:01:00,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1684140219] [2022-07-21 15:01:00,543 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1684140219] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:01:00,543 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:01:00,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 15:01:00,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694297502] [2022-07-21 15:01:00,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:01:00,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 15:01:00,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:01:00,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 15:01:00,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 15:01:00,545 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) [2022-07-21 15:01:03,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:01:03,680 INFO L93 Difference]: Finished difference Result 123175 states and 173006 transitions. [2022-07-21 15:01:03,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 15:01:03,681 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 [2022-07-21 15:01:03,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:01:04,418 INFO L225 Difference]: With dead ends: 123175 [2022-07-21 15:01:04,418 INFO L226 Difference]: Without dead ends: 81201 [2022-07-21 15:01:04,614 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 [2022-07-21 15:01:04,615 INFO L413 NwaCegarLoop]: 5010 mSDtfsCounter, 3901 mSDsluCounter, 4139 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3901 SdHoareTripleChecker+Valid, 9149 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-21 15:01:04,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3901 Valid, 9149 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-21 15:01:04,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81201 states. [2022-07-21 15:01:08,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81201 to 81139. [2022-07-21 15:01:08,234 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) [2022-07-21 15:01:09,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81139 states to 81139 states and 113322 transitions. [2022-07-21 15:01:09,057 INFO L78 Accepts]: Start accepts. Automaton has 81139 states and 113322 transitions. Word has length 216 [2022-07-21 15:01:09,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:01:09,060 INFO L495 AbstractCegarLoop]: Abstraction has 81139 states and 113322 transitions. [2022-07-21 15:01:09,060 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) [2022-07-21 15:01:09,060 INFO L276 IsEmpty]: Start isEmpty. Operand 81139 states and 113322 transitions. [2022-07-21 15:01:09,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-07-21 15:01:09,063 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:01:09,064 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] [2022-07-21 15:01:09,152 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-07-21 15:01:09,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:01:09,279 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)] === [2022-07-21 15:01:09,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:01:09,280 INFO L85 PathProgramCache]: Analyzing trace with hash 2039273341, now seen corresponding path program 1 times [2022-07-21 15:01:09,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:01:09,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [939455387] [2022-07-21 15:01:09,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:01:09,285 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:01:09,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:01:09,288 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) [2022-07-21 15:01:09,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-07-21 15:01:11,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:11,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 2962 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 15:01:11,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:01:11,973 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-21 15:01:11,973 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:01:11,973 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:01:11,973 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [939455387] [2022-07-21 15:01:11,974 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [939455387] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:01:11,974 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:01:11,974 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 15:01:11,974 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247270702] [2022-07-21 15:01:11,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:01:11,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 15:01:11,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:01:11,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 15:01:11,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 15:01:11,976 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) [2022-07-21 15:01:15,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:01:15,046 INFO L93 Difference]: Finished difference Result 165296 states and 229955 transitions. [2022-07-21 15:01:15,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 15:01:15,047 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 [2022-07-21 15:01:15,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:01:15,504 INFO L225 Difference]: With dead ends: 165296 [2022-07-21 15:01:15,504 INFO L226 Difference]: Without dead ends: 84194 [2022-07-21 15:01:15,992 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 [2022-07-21 15:01:15,993 INFO L413 NwaCegarLoop]: 5597 mSDtfsCounter, 3516 mSDsluCounter, 4162 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3516 SdHoareTripleChecker+Valid, 9759 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-21 15:01:15,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3516 Valid, 9759 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-21 15:01:16,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84194 states. [2022-07-21 15:01:18,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84194 to 84134. [2022-07-21 15:01:19,016 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) [2022-07-21 15:01:19,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84134 states to 84134 states and 116229 transitions. [2022-07-21 15:01:19,498 INFO L78 Accepts]: Start accepts. Automaton has 84134 states and 116229 transitions. Word has length 215 [2022-07-21 15:01:19,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:01:19,499 INFO L495 AbstractCegarLoop]: Abstraction has 84134 states and 116229 transitions. [2022-07-21 15:01:19,500 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) [2022-07-21 15:01:19,500 INFO L276 IsEmpty]: Start isEmpty. Operand 84134 states and 116229 transitions. [2022-07-21 15:01:19,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2022-07-21 15:01:19,504 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:01:19,504 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] [2022-07-21 15:01:19,583 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-07-21 15:01:19,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:01:19,719 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)] === [2022-07-21 15:01:19,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:01:19,720 INFO L85 PathProgramCache]: Analyzing trace with hash -278055310, now seen corresponding path program 1 times [2022-07-21 15:01:19,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:01:19,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [463878299] [2022-07-21 15:01:19,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:01:19,724 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:01:19,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:01:19,725 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) [2022-07-21 15:01:19,726 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-07-21 15:01:21,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:21,900 INFO L263 TraceCheckSpWp]: Trace formula consists of 2997 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 15:01:21,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:01:22,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1187 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-07-21 15:01:22,138 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:01:22,138 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:01:22,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [463878299] [2022-07-21 15:01:22,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [463878299] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:01:22,138 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:01:22,138 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 15:01:22,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001103612] [2022-07-21 15:01:22,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:01:22,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 15:01:22,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:01:22,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 15:01:22,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 15:01:22,140 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) [2022-07-21 15:01:26,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:01:26,263 INFO L93 Difference]: Finished difference Result 220434 states and 305188 transitions. [2022-07-21 15:01:26,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 15:01:26,264 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 [2022-07-21 15:01:26,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:01:27,335 INFO L225 Difference]: With dead ends: 220434 [2022-07-21 15:01:27,336 INFO L226 Difference]: Without dead ends: 136337 [2022-07-21 15:01:27,637 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 [2022-07-21 15:01:27,638 INFO L413 NwaCegarLoop]: 5452 mSDtfsCounter, 4062 mSDsluCounter, 4188 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4062 SdHoareTripleChecker+Valid, 9640 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-21 15:01:27,638 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] [2022-07-21 15:01:27,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136337 states. [2022-07-21 15:01:31,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136337 to 136243. [2022-07-21 15:01:31,914 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) [2022-07-21 15:01:32,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136243 states to 136243 states and 188575 transitions. [2022-07-21 15:01:33,010 INFO L78 Accepts]: Start accepts. Automaton has 136243 states and 188575 transitions. Word has length 242 [2022-07-21 15:01:33,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 15:01:33,011 INFO L495 AbstractCegarLoop]: Abstraction has 136243 states and 188575 transitions. [2022-07-21 15:01:33,011 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) [2022-07-21 15:01:33,012 INFO L276 IsEmpty]: Start isEmpty. Operand 136243 states and 188575 transitions. [2022-07-21 15:01:33,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2022-07-21 15:01:33,020 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 15:01:33,021 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] [2022-07-21 15:01:33,106 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-07-21 15:01:33,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 [2022-07-21 15:01:33,236 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)] === [2022-07-21 15:01:33,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 15:01:33,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1103780931, now seen corresponding path program 1 times [2022-07-21 15:01:33,240 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-07-21 15:01:33,240 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [574317938] [2022-07-21 15:01:33,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 15:01:33,240 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-07-21 15:01:33,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2022-07-21 15:01:33,241 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) [2022-07-21 15:01:33,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-07-21 15:01:35,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 15:01:35,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 2987 conjuncts, 2 conjunts are in the unsatisfiable core [2022-07-21 15:01:35,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 15:01:35,370 INFO L134 CoverageAnalysis]: Checked inductivity of 1324 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 1245 trivial. 0 not checked. [2022-07-21 15:01:35,370 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 15:01:35,371 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-07-21 15:01:35,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [574317938] [2022-07-21 15:01:35,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [574317938] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 15:01:35,371 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 15:01:35,371 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 15:01:35,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104081316] [2022-07-21 15:01:35,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 15:01:35,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 15:01:35,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-07-21 15:01:35,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 15:01:35,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 15:01:35,373 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) [2022-07-21 15:01:42,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 15:01:42,504 INFO L93 Difference]: Finished difference Result 404755 states and 560442 transitions. [2022-07-21 15:01:42,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 15:01:42,505 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 [2022-07-21 15:01:42,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 15:01:44,109 INFO L225 Difference]: With dead ends: 404755 [2022-07-21 15:01:44,109 INFO L226 Difference]: Without dead ends: 268646 [2022-07-21 15:01:45,039 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 [2022-07-21 15:01:45,040 INFO L413 NwaCegarLoop]: 5944 mSDtfsCounter, 4052 mSDsluCounter, 4206 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4052 SdHoareTripleChecker+Valid, 10150 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-21 15:01:45,040 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4052 Valid, 10150 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-21 15:01:45,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268646 states.