./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 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 12:29:31,251 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:29:31,254 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:29:31,300 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:29:31,301 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:29:31,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:29:31,307 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:29:31,311 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:29:31,313 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:29:31,319 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:29:31,320 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:29:31,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:29:31,323 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:29:31,325 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:29:31,327 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:29:31,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:29:31,331 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:29:31,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:29:31,334 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:29:31,341 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:29:31,343 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:29:31,345 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:29:31,347 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:29:31,348 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:29:31,355 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:29:31,356 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:29:31,357 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:29:31,357 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:29:31,358 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:29:31,358 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:29:31,358 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:29:31,359 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:29:31,359 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:29:31,360 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:29:31,361 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:29:31,361 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:29:31,362 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:29:31,362 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:29:31,363 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:29:31,364 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:29:31,364 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:29:31,365 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 12:29:31,390 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:29:31,391 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:29:31,391 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:29:31,391 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:29:31,392 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:29:31,392 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:29:31,393 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:29:31,393 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:29:31,393 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:29:31,393 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:29:31,394 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:29:31,394 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:29:31,394 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:29:31,394 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:29:31,394 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:29:31,395 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:29:31,395 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:29:31,395 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:29:31,395 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:29:31,395 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:29:31,396 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:29:31,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:29:31,396 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:29:31,396 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:29:31,396 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:29:31,397 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:29:31,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 12:29:31,397 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:29:31,397 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:29:31,397 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:29:31,398 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05e3ebea4820703b3259b4b6dd440513670562ea5166f99f8e3aabd0be2e3f32 [2022-11-20 12:29:31,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:29:31,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:29:31,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:29:31,689 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:29:31,690 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:29:31,691 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2022-11-20 12:29:34,893 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:29:35,565 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:29:35,565 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2022-11-20 12:29:35,645 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/data/df13bd3a1/1581c0ba48e44aa4891ef93ca886bd41/FLAGebb50ee76 [2022-11-20 12:29:35,664 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/data/df13bd3a1/1581c0ba48e44aa4891ef93ca886bd41 [2022-11-20 12:29:35,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:29:35,672 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:29:35,675 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:29:35,676 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:29:35,680 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:29:35,681 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:29:35" (1/1) ... [2022-11-20 12:29:35,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@138ff4f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:29:35, skipping insertion in model container [2022-11-20 12:29:35,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:29:35" (1/1) ... [2022-11-20 12:29:35,690 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:29:35,917 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:29:36,720 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.BitabsTranslation.abstractShiftRight(BitabsTranslation.java:159) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructBinaryBitwiseIntegerExpression(IntegerTranslation.java:190) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.ExpressionTranslation.constructBinaryBitwiseExpression(ExpressionTranslation.java:131) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CExpressionTranslator.handleBitshiftOperation(CExpressionTranslator.java:418) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:834) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:960) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:279) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:727) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2061) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) 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:1489) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) 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) [2022-11-20 12:29:36,730 INFO L158 Benchmark]: Toolchain (without parser) took 1056.40ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 85.2MB in the beginning and 129.3MB in the end (delta: -44.0MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2022-11-20 12:29:36,730 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 151.0MB. Free memory is still 94.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:29:36,733 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1052.41ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 85.2MB in the beginning and 129.3MB in the end (delta: -44.0MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2022-11-20 12:29:36,734 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 151.0MB. Free memory is still 94.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1052.41ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 85.2MB in the beginning and 129.3MB in the end (delta: -44.0MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: NullPointerException: null: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) 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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 12:29:39,074 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:29:39,077 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:29:39,098 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:29:39,099 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:29:39,100 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:29:39,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:29:39,103 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:29:39,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:29:39,106 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:29:39,107 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:29:39,108 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:29:39,109 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:29:39,110 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:29:39,111 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:29:39,112 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:29:39,113 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:29:39,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:29:39,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:29:39,118 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:29:39,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:29:39,124 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:29:39,125 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:29:39,126 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:29:39,130 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:29:39,130 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:29:39,131 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:29:39,132 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:29:39,132 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:29:39,133 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:29:39,134 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:29:39,135 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:29:39,135 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:29:39,136 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:29:39,148 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:29:39,149 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:29:39,150 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:29:39,150 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:29:39,150 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:29:39,151 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:29:39,152 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:29:39,159 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 12:29:39,217 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:29:39,220 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:29:39,220 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:29:39,221 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:29:39,221 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:29:39,222 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:29:39,222 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:29:39,222 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:29:39,223 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:29:39,223 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:29:39,223 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:29:39,223 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:29:39,223 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:29:39,224 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:29:39,224 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 12:29:39,224 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 12:29:39,224 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 12:29:39,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:29:39,225 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:29:39,225 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:29:39,225 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:29:39,225 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:29:39,225 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:29:39,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:29:39,226 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:29:39,226 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:29:39,226 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:29:39,226 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 12:29:39,227 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 12:29:39,227 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:29:39,227 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:29:39,227 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:29:39,227 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 12:29:39,227 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05e3ebea4820703b3259b4b6dd440513670562ea5166f99f8e3aabd0be2e3f32 [2022-11-20 12:29:39,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:29:39,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:29:39,646 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:29:39,647 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:29:39,648 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:29:39,650 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2022-11-20 12:29:42,796 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:29:43,552 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:29:43,553 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2022-11-20 12:29:43,600 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/data/6ff633c79/68bb6957083f4eabb8ac2d4dad3d8461/FLAG479c8850b [2022-11-20 12:29:43,620 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/data/6ff633c79/68bb6957083f4eabb8ac2d4dad3d8461 [2022-11-20 12:29:43,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:29:43,625 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:29:43,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:29:43,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:29:43,630 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:29:43,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:29:43" (1/1) ... [2022-11-20 12:29:43,632 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bbbbcb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:29:43, skipping insertion in model container [2022-11-20 12:29:43,632 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:29:43" (1/1) ... [2022-11-20 12:29:43,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:29:43,845 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:29:48,613 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460236,460249] [2022-11-20 12:29:48,618 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460405,460418] [2022-11-20 12:29:48,619 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460572,460585] [2022-11-20 12:29:48,619 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460740,460753] [2022-11-20 12:29:48,659 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:29:48,779 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 12:29:48,888 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:29:49,428 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460236,460249] [2022-11-20 12:29:49,430 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460405,460418] [2022-11-20 12:29:49,430 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460572,460585] [2022-11-20 12:29:49,431 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460740,460753] [2022-11-20 12:29:49,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:29:49,543 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:29:50,134 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460236,460249] [2022-11-20 12:29:50,134 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460405,460418] [2022-11-20 12:29:50,135 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460572,460585] [2022-11-20 12:29:50,135 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i[460740,460753] [2022-11-20 12:29:50,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:29:50,561 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:29:50,562 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:29:50 WrapperNode [2022-11-20 12:29:50,562 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:29:50,564 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:29:50,565 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:29:50,565 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:29:50,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:29:50" (1/1) ... [2022-11-20 12:29:50,715 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:29:50" (1/1) ... [2022-11-20 12:29:51,104 INFO L138 Inliner]: procedures = 690, calls = 4362, calls flagged for inlining = 337, calls inlined = 299, statements flattened = 8268 [2022-11-20 12:29:51,105 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:29:51,108 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:29:51,108 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:29:51,108 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:29:51,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:29:50" (1/1) ... [2022-11-20 12:29:51,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:29:50" (1/1) ... [2022-11-20 12:29:51,186 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:29:50" (1/1) ... [2022-11-20 12:29:51,186 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:29:50" (1/1) ... [2022-11-20 12:29:51,372 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:29:50" (1/1) ... [2022-11-20 12:29:51,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:29:50" (1/1) ... [2022-11-20 12:29:51,457 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:29:50" (1/1) ... [2022-11-20 12:29:51,493 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:29:50" (1/1) ... [2022-11-20 12:29:51,554 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:29:51,556 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:29:51,556 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:29:51,557 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:29:51,557 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:29:50" (1/1) ... [2022-11-20 12:29:51,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:29:51,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:29:51,598 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:29:51,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:29:51,739 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_wake_queue [2022-11-20 12:29:51,739 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_wake_queue [2022-11-20 12:29:51,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-20 12:29:51,739 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-20 12:29:51,739 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_0_6 [2022-11-20 12:29:51,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_0_6 [2022-11-20 12:29:51,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_80 [2022-11-20 12:29:51,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_80 [2022-11-20 12:29:51,740 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 12:29:51,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 12:29:51,741 INFO L130 BoogieDeclarations]: Found specification of procedure alx_halt [2022-11-20 12:29:51,741 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_halt [2022-11-20 12:29:51,741 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_txbuf [2022-11-20 12:29:51,741 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_txbuf [2022-11-20 12:29:51,741 INFO L130 BoogieDeclarations]: Found specification of procedure dump_stack [2022-11-20 12:29:51,742 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_stack [2022-11-20 12:29:51,742 INFO L130 BoogieDeclarations]: Found specification of procedure alx_suspend [2022-11-20 12:29:51,742 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_suspend [2022-11-20 12:29:51,742 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_read_phy_reg [2022-11-20 12:29:51,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_read_phy_reg [2022-11-20 12:29:51,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-20 12:29:51,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-20 12:29:51,743 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-20 12:29:51,743 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-20 12:29:51,743 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_reg [2022-11-20 12:29:51,744 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_reg [2022-11-20 12:29:51,744 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-20 12:29:51,744 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-20 12:29:51,744 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-20 12:29:51,744 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-20 12:29:51,745 INFO L130 BoogieDeclarations]: Found specification of procedure alx_pci_error_resume [2022-11-20 12:29:51,745 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_pci_error_resume [2022-11-20 12:29:51,745 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tx_timeout [2022-11-20 12:29:51,745 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tx_timeout [2022-11-20 12:29:51,745 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_enable [2022-11-20 12:29:51,746 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_enable [2022-11-20 12:29:51,746 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-20 12:29:51,746 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-20 12:29:51,746 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem16 [2022-11-20 12:29:51,746 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem16 [2022-11-20 12:29:51,747 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-11-20 12:29:51,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-11-20 12:29:51,747 INFO L130 BoogieDeclarations]: Found specification of procedure alx_irq_disable [2022-11-20 12:29:51,747 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_irq_disable [2022-11-20 12:29:51,747 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-20 12:29:51,748 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-20 12:29:51,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-20 12:29:51,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-20 12:29:51,748 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-20 12:29:51,748 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-20 12:29:51,749 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-20 12:29:51,749 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-20 12:29:51,749 INFO L130 BoogieDeclarations]: Found specification of procedure alx_activate [2022-11-20 12:29:51,749 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_activate [2022-11-20 12:29:51,749 INFO L130 BoogieDeclarations]: Found specification of procedure alx_remove [2022-11-20 12:29:51,749 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_remove [2022-11-20 12:29:51,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-20 12:29:51,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-20 12:29:51,750 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_msi [2022-11-20 12:29:51,750 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_msi [2022-11-20 12:29:51,750 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-20 12:29:51,751 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-20 12:29:51,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:29:51,751 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-20 12:29:51,751 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-20 12:29:51,751 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_write [2022-11-20 12:29:51,752 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_write [2022-11-20 12:29:51,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 12:29:51,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 12:29:51,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 12:29:51,752 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_62 [2022-11-20 12:29:51,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_62 [2022-11-20 12:29:51,753 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_work_sync [2022-11-20 12:29:51,753 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_work_sync [2022-11-20 12:29:51,753 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-20 12:29:51,753 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-20 12:29:51,754 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_reg [2022-11-20 12:29:51,754 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_reg [2022-11-20 12:29:51,754 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_unaligned_access_size [2022-11-20 12:29:51,754 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_ext [2022-11-20 12:29:51,754 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_ext [2022-11-20 12:29:51,754 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-20 12:29:51,755 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-20 12:29:51,755 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-20 12:29:51,755 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-20 12:29:51,755 INFO L130 BoogieDeclarations]: Found specification of procedure ethadv_to_hw_cfg [2022-11-20 12:29:51,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ethadv_to_hw_cfg [2022-11-20 12:29:51,756 INFO L130 BoogieDeclarations]: Found specification of procedure alx_stop [2022-11-20 12:29:51,756 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_stop [2022-11-20 12:29:51,756 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-20 12:29:51,756 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-20 12:29:51,756 INFO L130 BoogieDeclarations]: Found specification of procedure alx_resume [2022-11-20 12:29:51,756 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_resume [2022-11-20 12:29:51,757 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-20 12:29:51,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-20 12:29:51,757 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_link_check [2022-11-20 12:29:51,757 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_link_check [2022-11-20 12:29:51,757 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-20 12:29:51,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-20 12:29:51,758 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-20 12:29:51,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~C_ULONG~X~C_ULONG~X~C_INT~X~$Pointer$~TO~~dma_addr_t~0 [2022-11-20 12:29:51,758 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-20 12:29:51,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-20 12:29:51,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 12:29:51,759 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 12:29:51,759 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-20 12:29:51,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-20 12:29:51,759 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_open [2022-11-20 12:29:51,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_open [2022-11-20 12:29:51,760 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_core [2022-11-20 12:29:51,760 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_core [2022-11-20 12:29:51,760 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-20 12:29:51,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-20 12:29:51,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-20 12:29:51,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-20 12:29:51,761 INFO L130 BoogieDeclarations]: Found specification of procedure alx_update_hw_stats [2022-11-20 12:29:51,761 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_update_hw_stats [2022-11-20 12:29:51,761 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_mem32 [2022-11-20 12:29:51,762 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_mem32 [2022-11-20 12:29:51,763 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-20 12:29:51,763 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-20 12:29:51,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-20 12:29:51,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-20 12:29:51,763 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 12:29:51,763 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-20 12:29:51,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-20 12:29:51,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-20 12:29:51,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-20 12:29:51,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-20 12:29:51,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-20 12:29:51,764 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_dbg [2022-11-20 12:29:51,764 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_dbg [2022-11-20 12:29:51,765 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-20 12:29:51,765 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-20 12:29:51,765 INFO L130 BoogieDeclarations]: Found specification of procedure alx_netif_stop [2022-11-20 12:29:51,765 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_netif_stop [2022-11-20 12:29:51,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:29:51,765 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-20 12:29:51,766 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-20 12:29:51,766 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-20 12:29:51,766 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-20 12:29:51,766 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-20 12:29:51,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-20 12:29:51,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 12:29:51,766 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-20 12:29:51,767 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_giga [2022-11-20 12:29:51,767 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_giga [2022-11-20 12:29:51,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-20 12:29:51,767 INFO L130 BoogieDeclarations]: Found specification of procedure alx_poll_controller [2022-11-20 12:29:51,768 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_poll_controller [2022-11-20 12:29:51,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-20 12:29:51,768 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_pcie [2022-11-20 12:29:51,768 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_pcie [2022-11-20 12:29:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 12:29:51,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 12:29:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-20 12:29:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-11-20 12:29:51,769 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~C_INT~X~$Pointer$~TO~C_INT [2022-11-20 12:29:51,769 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_is_locked [2022-11-20 12:29:51,770 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_is_locked [2022-11-20 12:29:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure alx_schedule_reset [2022-11-20 12:29:51,770 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_schedule_reset [2022-11-20 12:29:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_legacy [2022-11-20 12:29:51,770 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_legacy [2022-11-20 12:29:51,770 INFO L130 BoogieDeclarations]: Found specification of procedure alx_refill_rx_ring [2022-11-20 12:29:51,770 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_refill_rx_ring [2022-11-20 12:29:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_dbg [2022-11-20 12:29:51,771 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_dbg [2022-11-20 12:29:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-20 12:29:51,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-20 12:29:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure __init_work [2022-11-20 12:29:51,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_work [2022-11-20 12:29:51,771 INFO L130 BoogieDeclarations]: Found specification of procedure debug_dma_map_page [2022-11-20 12:29:51,772 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_dma_map_page [2022-11-20 12:29:51,772 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-20 12:29:51,772 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-20 12:29:51,772 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_macaddr [2022-11-20 12:29:51,772 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_macaddr [2022-11-20 12:29:51,772 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-20 12:29:51,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-20 12:29:51,773 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_selected_regions [2022-11-20 12:29:51,773 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_selected_regions [2022-11-20 12:29:51,773 INFO L130 BoogieDeclarations]: Found specification of procedure alx_speed_to_ethadv [2022-11-20 12:29:51,773 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_speed_to_ethadv [2022-11-20 12:29:51,773 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-20 12:29:51,773 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-20 12:29:51,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-20 12:29:51,774 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_rings [2022-11-20 12:29:51,774 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_rings [2022-11-20 12:29:51,774 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:29:51,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:29:51,774 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-11-20 12:29:51,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-11-20 12:29:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure pci_select_bars [2022-11-20 12:29:51,775 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_select_bars [2022-11-20 12:29:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 12:29:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 12:29:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 12:29:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 12:29:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 12:29:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 12:29:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 12:29:51,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 12:29:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le32 [2022-11-20 12:29:51,776 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le32 [2022-11-20 12:29:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-20 12:29:51,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-20 12:29:51,777 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-20 12:29:51,777 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-20 12:29:51,777 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-20 12:29:51,777 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-20 12:29:51,777 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-20 12:29:51,777 INFO L130 BoogieDeclarations]: Found specification of procedure alx_open [2022-11-20 12:29:51,778 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_open [2022-11-20 12:29:51,778 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_unlock [2022-11-20 12:29:51,778 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_unlock [2022-11-20 12:29:51,778 INFO L130 BoogieDeclarations]: Found specification of procedure kmemcheck_mark_initialized [2022-11-20 12:29:51,778 INFO L138 BoogieDeclarations]: Found implementation of procedure kmemcheck_mark_initialized [2022-11-20 12:29:51,778 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_with_cr [2022-11-20 12:29:51,778 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_with_cr [2022-11-20 12:29:51,779 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-20 12:29:51,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-20 12:29:51,779 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le16 [2022-11-20 12:29:51,779 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le16 [2022-11-20 12:29:51,779 INFO L130 BoogieDeclarations]: Found specification of procedure alx_get_supported_speeds [2022-11-20 12:29:51,779 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_get_supported_speeds [2022-11-20 12:29:51,779 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 12:29:51,780 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 12:29:51,780 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_macaddr [2022-11-20 12:29:51,780 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_macaddr [2022-11-20 12:29:51,780 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_mem32 [2022-11-20 12:29:51,783 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_mem32 [2022-11-20 12:29:51,784 INFO L130 BoogieDeclarations]: Found specification of procedure kcalloc [2022-11-20 12:29:51,784 INFO L138 BoogieDeclarations]: Found implementation of procedure kcalloc [2022-11-20 12:29:51,784 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-20 12:29:51,785 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-20 12:29:51,785 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-20 12:29:51,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-20 12:29:51,786 INFO L130 BoogieDeclarations]: Found specification of procedure __netif_schedule [2022-11-20 12:29:51,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __netif_schedule [2022-11-20 12:29:51,793 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-20 12:29:51,793 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-20 12:29:51,793 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-20 12:29:51,793 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-20 12:29:51,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:29:51,793 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-20 12:29:51,793 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-20 12:29:51,794 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit_rings [2022-11-20 12:29:51,794 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit_rings [2022-11-20 12:29:51,794 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_reg [2022-11-20 12:29:51,794 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_reg [2022-11-20 12:29:51,794 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-20 12:29:51,794 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-20 12:29:51,794 INFO L130 BoogieDeclarations]: Found specification of procedure alx_free_buffers [2022-11-20 12:29:51,795 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_free_buffers [2022-11-20 12:29:51,795 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-20 12:29:51,795 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-20 12:29:51,795 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 12:29:51,795 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_lock_of_alx_priv [2022-11-20 12:29:51,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_lock_of_alx_priv [2022-11-20 12:29:51,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 12:29:51,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 12:29:51,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 12:29:51,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 12:29:51,796 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 12:29:51,796 INFO L130 BoogieDeclarations]: Found specification of procedure alx_wait_mdio_idle [2022-11-20 12:29:51,796 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_wait_mdio_idle [2022-11-20 12:29:51,796 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-20 12:29:51,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-20 12:29:51,796 INFO L130 BoogieDeclarations]: Found specification of procedure alx_intr_handle [2022-11-20 12:29:51,797 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_intr_handle [2022-11-20 12:29:51,797 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-20 12:29:51,797 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-20 12:29:51,797 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-20 12:29:51,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-20 12:29:51,797 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-20 12:29:51,797 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-20 12:29:51,797 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-20 12:29:51,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-20 12:29:51,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-20 12:29:51,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-20 12:29:51,798 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-20 12:29:51,798 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-20 12:29:51,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2022-11-20 12:29:51,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_lock_of_alx_priv [2022-11-20 12:29:51,798 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_88 [2022-11-20 12:29:51,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_88 [2022-11-20 12:29:51,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2022-11-20 12:29:51,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_alx_driver_exit_15_2 [2022-11-20 12:29:51,799 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-20 12:29:51,799 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-20 12:29:51,799 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-20 12:29:51,799 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-20 12:29:51,799 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_63 [2022-11-20 12:29:51,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_63 [2022-11-20 12:29:51,800 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 12:29:51,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 12:29:51,800 INFO L130 BoogieDeclarations]: Found specification of procedure alx_is_rev_a [2022-11-20 12:29:51,800 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_is_rev_a [2022-11-20 12:29:51,800 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-20 12:29:51,800 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-20 12:29:51,800 INFO L130 BoogieDeclarations]: Found specification of procedure alx_read_phy_core [2022-11-20 12:29:51,801 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_read_phy_core [2022-11-20 12:29:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 12:29:51,801 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 12:29:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure alx_write_phy_ext [2022-11-20 12:29:51,801 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_write_phy_ext [2022-11-20 12:29:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-20 12:29:51,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-20 12:29:51,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 12:29:51,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-20 12:29:51,803 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 12:29:51,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 12:29:51,803 INFO L130 BoogieDeclarations]: Found specification of procedure alx_post_phy_link [2022-11-20 12:29:51,803 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_post_phy_link [2022-11-20 12:29:51,804 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reinit [2022-11-20 12:29:51,804 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reinit [2022-11-20 12:29:51,804 INFO L130 BoogieDeclarations]: Found specification of procedure alx_tpd_avail [2022-11-20 12:29:51,804 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_tpd_avail [2022-11-20 12:29:51,804 INFO L130 BoogieDeclarations]: Found specification of procedure alx_setup_speed_duplex [2022-11-20 12:29:51,804 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_setup_speed_duplex [2022-11-20 12:29:51,804 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-20 12:29:51,804 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-20 12:29:51,805 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_stop [2022-11-20 12:29:51,805 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_stop [2022-11-20 12:29:51,805 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-20 12:29:51,805 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-20 12:29:51,805 INFO L130 BoogieDeclarations]: Found specification of procedure dma_set_mask_and_coherent [2022-11-20 12:29:51,805 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_set_mask_and_coherent [2022-11-20 12:29:51,805 INFO L130 BoogieDeclarations]: Found specification of procedure alx_enable_aspm [2022-11-20 12:29:51,806 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_enable_aspm [2022-11-20 12:29:51,806 INFO L130 BoogieDeclarations]: Found specification of procedure alx_set_rx_mode [2022-11-20 12:29:51,806 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_set_rx_mode [2022-11-20 12:29:51,806 INFO L130 BoogieDeclarations]: Found specification of procedure alx_hw_revision [2022-11-20 12:29:51,806 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_hw_revision [2022-11-20 12:29:51,806 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_set_rx_mode [2022-11-20 12:29:51,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_set_rx_mode [2022-11-20 12:29:51,806 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_89 [2022-11-20 12:29:51,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_89 [2022-11-20 12:29:51,807 INFO L130 BoogieDeclarations]: Found specification of procedure __alx_write_phy_reg [2022-11-20 12:29:51,807 INFO L138 BoogieDeclarations]: Found implementation of procedure __alx_write_phy_reg [2022-11-20 12:29:51,807 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_stop_queue [2022-11-20 12:29:51,807 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_stop_queue [2022-11-20 12:29:51,807 INFO L130 BoogieDeclarations]: Found specification of procedure rtnl_lock [2022-11-20 12:29:51,807 INFO L138 BoogieDeclarations]: Found implementation of procedure rtnl_lock [2022-11-20 12:29:51,807 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-20 12:29:51,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-20 12:29:51,808 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-20 12:29:51,808 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-20 12:29:51,808 INFO L130 BoogieDeclarations]: Found specification of procedure dql_avail [2022-11-20 12:29:51,808 INFO L138 BoogieDeclarations]: Found implementation of procedure dql_avail [2022-11-20 12:29:51,808 INFO L130 BoogieDeclarations]: Found specification of procedure alx_configure [2022-11-20 12:29:51,808 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_configure [2022-11-20 12:29:51,808 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_phy [2022-11-20 12:29:51,809 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_phy [2022-11-20 12:29:51,809 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_automaton_state_1_6 [2022-11-20 12:29:51,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_automaton_state_1_6 [2022-11-20 12:29:51,809 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-20 12:29:51,812 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-20 12:29:51,813 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2022-11-20 12:29:51,813 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2022-11-20 12:29:51,813 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-20 12:29:51,813 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-20 12:29:51,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-20 12:29:51,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-20 12:29:51,813 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_le64 [2022-11-20 12:29:51,814 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_le64 [2022-11-20 12:29:51,814 INFO L130 BoogieDeclarations]: Found specification of procedure alx_reset_mac [2022-11-20 12:29:51,815 INFO L138 BoogieDeclarations]: Found implementation of procedure alx_reset_mac [2022-11-20 12:29:53,085 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:29:53,090 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:29:53,170 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 12:30:37,379 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-20 12:30:38,220 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:30:38,255 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:30:38,256 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-11-20 12:30:38,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:30:38 BoogieIcfgContainer [2022-11-20 12:30:38,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:30:38,267 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:30:38,267 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:30:38,271 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:30:38,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:29:43" (1/3) ... [2022-11-20 12:30:38,273 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f0d1e1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:30:38, skipping insertion in model container [2022-11-20 12:30:38,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:29:50" (2/3) ... [2022-11-20 12:30:38,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f0d1e1c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:30:38, skipping insertion in model container [2022-11-20 12:30:38,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:30:38" (3/3) ... [2022-11-20 12:30:38,276 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-atheros-alx-alx.cil.i [2022-11-20 12:30:38,301 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:30:38,302 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-20 12:30:38,440 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:30:38,455 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=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5f1c03b1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:30:38,455 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-20 12:30:38,475 INFO L276 IsEmpty]: Start isEmpty. Operand has 3099 states, 2066 states have (on average 1.2686350435624394) internal successors, (2621), 2112 states have internal predecessors, (2621), 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) [2022-11-20 12:30:38,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2022-11-20 12:30:38,520 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:30:38,521 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] [2022-11-20 12:30:38,522 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)] === [2022-11-20 12:30:38,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:30:38,528 INFO L85 PathProgramCache]: Analyzing trace with hash -2114397331, now seen corresponding path program 1 times [2022-11-20 12:30:38,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:30:38,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2091507491] [2022-11-20 12:30:38,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:30:38,553 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:30:38,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:30:38,559 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:30:38,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-20 12:30:41,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:30:41,348 INFO L263 TraceCheckSpWp]: Trace formula consists of 2862 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:30:41,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:30:41,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-11-20 12:30:41,632 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:30:41,634 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:30:41,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2091507491] [2022-11-20 12:30:41,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2091507491] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:30:41,635 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:30:41,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:30:41,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731147950] [2022-11-20 12:30:41,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:30:41,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:30:41,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:30:41,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:30:41,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:30:41,697 INFO L87 Difference]: Start difference. First operand has 3099 states, 2066 states have (on average 1.2686350435624394) internal successors, (2621), 2112 states have internal predecessors, (2621), 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) [2022-11-20 12:30:42,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:30:42,683 INFO L93 Difference]: Finished difference Result 9017 states and 12980 transitions. [2022-11-20 12:30:42,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:30:42,686 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 [2022-11-20 12:30:42,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:30:42,757 INFO L225 Difference]: With dead ends: 9017 [2022-11-20 12:30:42,757 INFO L226 Difference]: Without dead ends: 5942 [2022-11-20 12:30:42,796 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 [2022-11-20 12:30:42,802 INFO L413 NwaCegarLoop]: 5044 mSDtfsCounter, 4076 mSDsluCounter, 4185 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4076 SdHoareTripleChecker+Valid, 9229 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-20 12:30:42,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4076 Valid, 9229 Invalid, 34 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-20 12:30:42,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5942 states. [2022-11-20 12:30:43,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5942 to 5938. [2022-11-20 12:30:43,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5938 states, 3968 states have (on average 1.2552923387096775) internal successors, (4981), 4049 states have internal predecessors, (4981), 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) [2022-11-20 12:30:43,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5938 states to 5938 states and 8255 transitions. [2022-11-20 12:30:43,355 INFO L78 Accepts]: Start accepts. Automaton has 5938 states and 8255 transitions. Word has length 204 [2022-11-20 12:30:43,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:30:43,361 INFO L495 AbstractCegarLoop]: Abstraction has 5938 states and 8255 transitions. [2022-11-20 12:30:43,361 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) [2022-11-20 12:30:43,361 INFO L276 IsEmpty]: Start isEmpty. Operand 5938 states and 8255 transitions. [2022-11-20 12:30:43,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-11-20 12:30:43,373 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:30:43,374 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] [2022-11-20 12:30:43,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-20 12:30:43,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:30:43,590 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)] === [2022-11-20 12:30:43,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:30:43,591 INFO L85 PathProgramCache]: Analyzing trace with hash -2078958183, now seen corresponding path program 1 times [2022-11-20 12:30:43,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:30:43,596 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1877502747] [2022-11-20 12:30:43,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:30:43,597 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:30:43,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:30:43,599 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:30:43,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-20 12:30:46,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:30:46,412 INFO L263 TraceCheckSpWp]: Trace formula consists of 2903 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:30:46,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:30:46,589 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-11-20 12:30:46,590 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:30:46,590 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:30:46,590 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1877502747] [2022-11-20 12:30:46,591 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1877502747] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:30:46,591 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:30:46,591 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:30:46,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085066489] [2022-11-20 12:30:46,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:30:46,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:30:46,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:30:46,595 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:30:46,595 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:30:46,595 INFO L87 Difference]: Start difference. First operand 5938 states and 8255 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) [2022-11-20 12:30:48,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:30:48,032 INFO L93 Difference]: Finished difference Result 16568 states and 22973 transitions. [2022-11-20 12:30:48,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:30:48,033 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 [2022-11-20 12:30:48,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:30:48,119 INFO L225 Difference]: With dead ends: 16568 [2022-11-20 12:30:48,120 INFO L226 Difference]: Without dead ends: 10667 [2022-11-20 12:30:48,153 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 [2022-11-20 12:30:48,154 INFO L413 NwaCegarLoop]: 4890 mSDtfsCounter, 3326 mSDsluCounter, 4110 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3326 SdHoareTripleChecker+Valid, 9000 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 [2022-11-20 12:30:48,155 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3326 Valid, 9000 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-20 12:30:48,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10667 states. [2022-11-20 12:30:48,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10667 to 10633. [2022-11-20 12:30:48,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10633 states, 7083 states have (on average 1.2556826203586051) internal successors, (8894), 7235 states have internal predecessors, (8894), 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) [2022-11-20 12:30:48,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10633 states to 10633 states and 14714 transitions. [2022-11-20 12:30:48,868 INFO L78 Accepts]: Start accepts. Automaton has 10633 states and 14714 transitions. Word has length 206 [2022-11-20 12:30:48,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:30:48,869 INFO L495 AbstractCegarLoop]: Abstraction has 10633 states and 14714 transitions. [2022-11-20 12:30:48,870 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) [2022-11-20 12:30:48,871 INFO L276 IsEmpty]: Start isEmpty. Operand 10633 states and 14714 transitions. [2022-11-20 12:30:48,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-11-20 12:30:48,876 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:30:48,893 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] [2022-11-20 12:30:48,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-20 12:30:49,106 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:30:49,106 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)] === [2022-11-20 12:30:49,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:30:49,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1555508557, now seen corresponding path program 1 times [2022-11-20 12:30:49,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:30:49,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [694397403] [2022-11-20 12:30:49,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:30:49,110 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:30:49,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:30:49,112 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:30:49,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-20 12:30:51,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:30:51,795 INFO L263 TraceCheckSpWp]: Trace formula consists of 2930 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:30:51,801 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:30:51,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-11-20 12:30:51,964 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:30:51,965 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:30:51,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [694397403] [2022-11-20 12:30:51,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [694397403] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:30:51,965 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:30:51,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:30:51,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623868445] [2022-11-20 12:30:51,966 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:30:51,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:30:51,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:30:51,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:30:51,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:30:51,967 INFO L87 Difference]: Start difference. First operand 10633 states and 14714 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) [2022-11-20 12:30:53,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:30:53,624 INFO L93 Difference]: Finished difference Result 31745 states and 44172 transitions. [2022-11-20 12:30:53,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:30:53,625 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 [2022-11-20 12:30:53,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:30:53,799 INFO L225 Difference]: With dead ends: 31745 [2022-11-20 12:30:53,800 INFO L226 Difference]: Without dead ends: 21149 [2022-11-20 12:30:53,856 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 [2022-11-20 12:30:53,858 INFO L413 NwaCegarLoop]: 5190 mSDtfsCounter, 4149 mSDsluCounter, 4229 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4149 SdHoareTripleChecker+Valid, 9419 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 [2022-11-20 12:30:53,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4149 Valid, 9419 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 12:30:53,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21149 states. [2022-11-20 12:30:55,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21149 to 21111. [2022-11-20 12:30:55,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21111 states, 14087 states have (on average 1.2553418045006033) internal successors, (17684), 14385 states have internal predecessors, (17684), 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) [2022-11-20 12:30:55,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21111 states to 21111 states and 29440 transitions. [2022-11-20 12:30:55,401 INFO L78 Accepts]: Start accepts. Automaton has 21111 states and 29440 transitions. Word has length 216 [2022-11-20 12:30:55,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:30:55,402 INFO L495 AbstractCegarLoop]: Abstraction has 21111 states and 29440 transitions. [2022-11-20 12:30:55,402 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) [2022-11-20 12:30:55,403 INFO L276 IsEmpty]: Start isEmpty. Operand 21111 states and 29440 transitions. [2022-11-20 12:30:55,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-11-20 12:30:55,407 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:30:55,407 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] [2022-11-20 12:30:55,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-20 12:30:55,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:30:55,622 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)] === [2022-11-20 12:30:55,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:30:55,623 INFO L85 PathProgramCache]: Analyzing trace with hash -310742568, now seen corresponding path program 1 times [2022-11-20 12:30:55,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:30:55,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [982037900] [2022-11-20 12:30:55,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:30:55,626 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:30:55,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:30:55,627 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:30:55,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-20 12:30:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:30:58,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 2934 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:30:58,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:30:58,208 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-11-20 12:30:58,209 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:30:58,209 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:30:58,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [982037900] [2022-11-20 12:30:58,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [982037900] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:30:58,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:30:58,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:30:58,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321140032] [2022-11-20 12:30:58,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:30:58,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:30:58,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:30:58,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:30:58,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:30:58,211 INFO L87 Difference]: Start difference. First operand 21111 states and 29440 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) [2022-11-20 12:31:00,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:31:00,793 INFO L93 Difference]: Finished difference Result 62955 states and 88420 transitions. [2022-11-20 12:31:00,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:31:00,794 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 [2022-11-20 12:31:00,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:31:01,076 INFO L225 Difference]: With dead ends: 62955 [2022-11-20 12:31:01,076 INFO L226 Difference]: Without dead ends: 41881 [2022-11-20 12:31:01,174 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 [2022-11-20 12:31:01,177 INFO L413 NwaCegarLoop]: 5645 mSDtfsCounter, 4150 mSDsluCounter, 4229 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4150 SdHoareTripleChecker+Valid, 9874 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 [2022-11-20 12:31:01,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4150 Valid, 9874 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 12:31:01,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41881 states. [2022-11-20 12:31:04,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41881 to 41835. [2022-11-20 12:31:04,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41835 states, 27945 states have (on average 1.2555376632671318) internal successors, (35086), 28541 states have internal predecessors, (35086), 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) [2022-11-20 12:31:04,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41835 states to 41835 states and 58934 transitions. [2022-11-20 12:31:04,656 INFO L78 Accepts]: Start accepts. Automaton has 41835 states and 58934 transitions. Word has length 217 [2022-11-20 12:31:04,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:31:04,657 INFO L495 AbstractCegarLoop]: Abstraction has 41835 states and 58934 transitions. [2022-11-20 12:31:04,658 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) [2022-11-20 12:31:04,658 INFO L276 IsEmpty]: Start isEmpty. Operand 41835 states and 58934 transitions. [2022-11-20 12:31:04,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-11-20 12:31:04,664 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:31:04,664 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] [2022-11-20 12:31:04,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-20 12:31:04,886 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:31:04,886 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)] === [2022-11-20 12:31:04,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:31:04,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1415647474, now seen corresponding path program 1 times [2022-11-20 12:31:04,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:31:04,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1394464780] [2022-11-20 12:31:04,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:31:04,891 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:31:04,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:31:04,893 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:31:04,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-20 12:31:07,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:31:07,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 2963 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:31:07,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:31:07,850 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-11-20 12:31:07,850 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:31:07,850 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:31:07,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1394464780] [2022-11-20 12:31:07,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1394464780] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:31:07,851 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:31:07,852 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:31:07,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29881481] [2022-11-20 12:31:07,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:31:07,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:31:07,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:31:07,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:31:07,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:31:07,854 INFO L87 Difference]: Start difference. First operand 41835 states and 58934 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) [2022-11-20 12:31:13,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:31:13,084 INFO L93 Difference]: Finished difference Result 122647 states and 172214 transitions. [2022-11-20 12:31:13,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:31:13,085 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 [2022-11-20 12:31:13,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:31:13,697 INFO L225 Difference]: With dead ends: 122647 [2022-11-20 12:31:13,698 INFO L226 Difference]: Without dead ends: 80849 [2022-11-20 12:31:13,884 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 [2022-11-20 12:31:13,885 INFO L413 NwaCegarLoop]: 4992 mSDtfsCounter, 3883 mSDsluCounter, 4121 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3883 SdHoareTripleChecker+Valid, 9113 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:31:13,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3883 Valid, 9113 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-20 12:31:13,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80849 states. [2022-11-20 12:31:19,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80849 to 80787. [2022-11-20 12:31:19,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80787 states, 53671 states have (on average 1.249986025973058) internal successors, (67088), 54893 states have internal predecessors, (67088), 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) [2022-11-20 12:31:19,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80787 states to 80787 states and 112794 transitions. [2022-11-20 12:31:19,885 INFO L78 Accepts]: Start accepts. Automaton has 80787 states and 112794 transitions. Word has length 216 [2022-11-20 12:31:19,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:31:19,886 INFO L495 AbstractCegarLoop]: Abstraction has 80787 states and 112794 transitions. [2022-11-20 12:31:19,887 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) [2022-11-20 12:31:19,887 INFO L276 IsEmpty]: Start isEmpty. Operand 80787 states and 112794 transitions. [2022-11-20 12:31:19,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2022-11-20 12:31:19,892 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:31:19,892 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] [2022-11-20 12:31:19,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-20 12:31:20,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:31:20,118 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)] === [2022-11-20 12:31:20,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:31:20,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1550368023, now seen corresponding path program 1 times [2022-11-20 12:31:20,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:31:20,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [239133437] [2022-11-20 12:31:20,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:31:20,123 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:31:20,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:31:20,125 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:31:20,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9923da71-ba90-467f-b381-2925d22d1282/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-20 12:31:23,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:31:23,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 2962 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:31:23,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:31:23,358 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 1080 trivial. 0 not checked. [2022-11-20 12:31:23,358 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:31:23,359 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:31:23,359 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [239133437] [2022-11-20 12:31:23,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [239133437] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:31:23,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:31:23,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:31:23,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454066304] [2022-11-20 12:31:23,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:31:23,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:31:23,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:31:23,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:31:23,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:31:23,361 INFO L87 Difference]: Start difference. First operand 80787 states and 112794 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) [2022-11-20 12:31:28,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:31:28,810 INFO L93 Difference]: Finished difference Result 164584 states and 228887 transitions. [2022-11-20 12:31:28,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:31:28,811 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 [2022-11-20 12:31:28,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:31:29,424 INFO L225 Difference]: With dead ends: 164584 [2022-11-20 12:31:29,424 INFO L226 Difference]: Without dead ends: 83834 [2022-11-20 12:31:29,779 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 [2022-11-20 12:31:29,780 INFO L413 NwaCegarLoop]: 5554 mSDtfsCounter, 3501 mSDsluCounter, 4144 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3501 SdHoareTripleChecker+Valid, 9698 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-20 12:31:29,781 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3501 Valid, 9698 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-20 12:31:29,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83834 states.