./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-dec-tulip-de4x5.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/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_9ba21463-9d9b-4625-ab10-3bfe015ad792/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/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_9ba21463-9d9b-4625-ab10-3bfe015ad792/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 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 --- 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 09:28:51,537 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 09:28:51,538 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 09:28:51,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 09:28:51,560 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 09:28:51,562 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 09:28:51,563 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 09:28:51,565 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 09:28:51,567 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 09:28:51,568 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 09:28:51,569 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 09:28:51,571 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 09:28:51,571 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 09:28:51,572 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 09:28:51,573 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 09:28:51,575 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 09:28:51,576 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 09:28:51,577 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 09:28:51,578 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 09:28:51,580 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 09:28:51,582 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 09:28:51,583 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 09:28:51,585 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 09:28:51,586 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 09:28:51,589 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 09:28:51,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 09:28:51,590 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 09:28:51,591 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 09:28:51,591 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 09:28:51,592 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 09:28:51,593 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 09:28:51,594 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 09:28:51,597 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 09:28:51,599 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 09:28:51,600 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 09:28:51,601 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 09:28:51,602 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 09:28:51,602 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 09:28:51,603 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 09:28:51,604 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 09:28:51,606 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 09:28:51,607 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 09:28:51,631 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 09:28:51,632 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 09:28:51,632 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 09:28:51,632 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 09:28:51,633 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 09:28:51,633 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 09:28:51,634 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 09:28:51,634 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 09:28:51,634 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 09:28:51,635 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 09:28:51,635 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 09:28:51,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 09:28:51,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 09:28:51,636 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 09:28:51,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 09:28:51,636 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 09:28:51,636 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 09:28:51,636 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 09:28:51,637 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 09:28:51,637 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 09:28:51,637 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 09:28:51,637 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:28:51,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 09:28:51,638 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 09:28:51,638 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 09:28:51,638 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 09:28:51,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 09:28:51,639 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 09:28:51,639 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 09:28:51,639 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 09:28:51,639 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_9ba21463-9d9b-4625-ab10-3bfe015ad792/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 [2022-11-20 09:28:51,945 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 09:28:51,976 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 09:28:51,979 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 09:28:51,982 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 09:28:51,983 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 09:28:51,984 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2022-11-20 09:28:55,018 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 09:28:55,775 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 09:28:55,776 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2022-11-20 09:28:55,851 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/bin/uautomizer-ug76WZFUDN/data/a2e9fab7d/1ffd44a547fa423dbb18d6b284d64217/FLAGb59c100ff [2022-11-20 09:28:55,871 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/bin/uautomizer-ug76WZFUDN/data/a2e9fab7d/1ffd44a547fa423dbb18d6b284d64217 [2022-11-20 09:28:55,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 09:28:55,877 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 09:28:55,879 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 09:28:55,879 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 09:28:55,883 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 09:28:55,885 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:28:55" (1/1) ... [2022-11-20 09:28:55,886 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@714aa1b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:28:55, skipping insertion in model container [2022-11-20 09:28:55,887 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:28:55" (1/1) ... [2022-11-20 09:28:55,895 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 09:28:56,154 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:28:56,666 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 09:28:56,682 INFO L158 Benchmark]: Toolchain (without parser) took 804.05ms. Allocated memory is still 148.9MB. Free memory was 88.1MB in the beginning and 72.8MB in the end (delta: 15.4MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-11-20 09:28:56,683 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 115.3MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:28:56,684 INFO L158 Benchmark]: CACSL2BoogieTranslator took 800.96ms. Allocated memory is still 148.9MB. Free memory was 88.1MB in the beginning and 72.8MB in the end (delta: 15.4MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-11-20 09:28:56,686 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 115.3MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 800.96ms. Allocated memory is still 148.9MB. Free memory was 88.1MB in the beginning and 72.8MB in the end (delta: 15.4MB). Peak memory consumption was 44.0MB. 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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/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_9ba21463-9d9b-4625-ab10-3bfe015ad792/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/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_9ba21463-9d9b-4625-ab10-3bfe015ad792/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 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 --- 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 09:28:59,020 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 09:28:59,022 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 09:28:59,070 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 09:28:59,073 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 09:28:59,076 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 09:28:59,078 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 09:28:59,083 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 09:28:59,085 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 09:28:59,087 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 09:28:59,088 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 09:28:59,094 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 09:28:59,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 09:28:59,098 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 09:28:59,100 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 09:28:59,102 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 09:28:59,104 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 09:28:59,109 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 09:28:59,111 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 09:28:59,112 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 09:28:59,117 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 09:28:59,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 09:28:59,120 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 09:28:59,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 09:28:59,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 09:28:59,130 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 09:28:59,130 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 09:28:59,131 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 09:28:59,133 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 09:28:59,134 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 09:28:59,134 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 09:28:59,135 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 09:28:59,136 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 09:28:59,138 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 09:28:59,138 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 09:28:59,139 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 09:28:59,140 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 09:28:59,140 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 09:28:59,140 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 09:28:59,141 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 09:28:59,142 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 09:28:59,147 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 09:28:59,176 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 09:28:59,176 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 09:28:59,178 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 09:28:59,178 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 09:28:59,179 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 09:28:59,179 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 09:28:59,180 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 09:28:59,180 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 09:28:59,180 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 09:28:59,181 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 09:28:59,181 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 09:28:59,182 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 09:28:59,182 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 09:28:59,182 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 09:28:59,182 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 09:28:59,182 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 09:28:59,183 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 09:28:59,183 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 09:28:59,183 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 09:28:59,183 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 09:28:59,183 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 09:28:59,184 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 09:28:59,184 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 09:28:59,184 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:28:59,184 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 09:28:59,184 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 09:28:59,185 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 09:28:59,185 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 09:28:59,185 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 09:28:59,185 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 09:28:59,185 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 09:28:59,186 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 09:28:59,186 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 09:28:59,186 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_9ba21463-9d9b-4625-ab10-3bfe015ad792/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 52f53de973aa03e2a9eaadeeb26ce30c3104ed671c54a416d14fc4c2bdab8bd9 [2022-11-20 09:28:59,611 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 09:28:59,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 09:28:59,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 09:28:59,642 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 09:28:59,642 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 09:28:59,644 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2022-11-20 09:29:02,847 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 09:29:03,712 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 09:29:03,713 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2022-11-20 09:29:03,777 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/bin/uautomizer-ug76WZFUDN/data/99d3dfc87/4d3e7c6b7e5f4dd391ae7941463a7b0c/FLAG45bc03e75 [2022-11-20 09:29:03,792 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/bin/uautomizer-ug76WZFUDN/data/99d3dfc87/4d3e7c6b7e5f4dd391ae7941463a7b0c [2022-11-20 09:29:03,795 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 09:29:03,796 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 09:29:03,798 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 09:29:03,798 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 09:29:03,801 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 09:29:03,802 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:29:03" (1/1) ... [2022-11-20 09:29:03,803 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@592fea6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:03, skipping insertion in model container [2022-11-20 09:29:03,803 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:29:03" (1/1) ... [2022-11-20 09:29:03,810 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 09:29:04,063 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:29:08,590 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_9ba21463-9d9b-4625-ab10-3bfe015ad792/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[479863,479876] [2022-11-20 09:29:08,595 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_9ba21463-9d9b-4625-ab10-3bfe015ad792/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480032,480045] [2022-11-20 09:29:08,596 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_9ba21463-9d9b-4625-ab10-3bfe015ad792/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480199,480212] [2022-11-20 09:29:08,597 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_9ba21463-9d9b-4625-ab10-3bfe015ad792/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480367,480380] [2022-11-20 09:29:08,631 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:29:08,722 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 09:29:08,863 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:29:09,557 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_9ba21463-9d9b-4625-ab10-3bfe015ad792/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[479863,479876] [2022-11-20 09:29:09,576 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_9ba21463-9d9b-4625-ab10-3bfe015ad792/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480032,480045] [2022-11-20 09:29:09,577 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_9ba21463-9d9b-4625-ab10-3bfe015ad792/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480199,480212] [2022-11-20 09:29:09,578 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_9ba21463-9d9b-4625-ab10-3bfe015ad792/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480367,480380] [2022-11-20 09:29:09,584 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:29:09,624 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 09:29:10,329 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_9ba21463-9d9b-4625-ab10-3bfe015ad792/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[479863,479876] [2022-11-20 09:29:10,330 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_9ba21463-9d9b-4625-ab10-3bfe015ad792/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480032,480045] [2022-11-20 09:29:10,330 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_9ba21463-9d9b-4625-ab10-3bfe015ad792/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480199,480212] [2022-11-20 09:29:10,331 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_9ba21463-9d9b-4625-ab10-3bfe015ad792/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i[480367,480380] [2022-11-20 09:29:10,339 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:29:10,582 INFO L208 MainTranslator]: Completed translation [2022-11-20 09:29:10,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:10 WrapperNode [2022-11-20 09:29:10,584 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 09:29:10,585 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 09:29:10,586 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 09:29:10,586 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 09:29:10,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:10" (1/1) ... [2022-11-20 09:29:10,804 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:10" (1/1) ... [2022-11-20 09:29:11,092 INFO L138 Inliner]: procedures = 558, calls = 4226, calls flagged for inlining = 248, calls inlined = 231, statements flattened = 8385 [2022-11-20 09:29:11,093 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 09:29:11,094 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 09:29:11,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 09:29:11,094 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 09:29:11,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:10" (1/1) ... [2022-11-20 09:29:11,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:10" (1/1) ... [2022-11-20 09:29:11,227 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:10" (1/1) ... [2022-11-20 09:29:11,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:10" (1/1) ... [2022-11-20 09:29:11,418 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:10" (1/1) ... [2022-11-20 09:29:11,448 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:10" (1/1) ... [2022-11-20 09:29:11,498 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:10" (1/1) ... [2022-11-20 09:29:11,531 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:10" (1/1) ... [2022-11-20 09:29:11,601 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 09:29:11,603 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 09:29:11,603 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 09:29:11,603 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 09:29:11,604 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:10" (1/1) ... [2022-11-20 09:29:11,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:29:11,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:29:11,636 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 09:29:11,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 09:29:11,690 INFO L130 BoogieDeclarations]: Found specification of procedure disable_ast [2022-11-20 09:29:11,690 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_ast [2022-11-20 09:29:11,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-20 09:29:11,691 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-20 09:29:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-20 09:29:11,691 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-20 09:29:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 09:29:11,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 09:29:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure type4_infoblock [2022-11-20 09:29:11,692 INFO L138 BoogieDeclarations]: Found implementation of procedure type4_infoblock [2022-11-20 09:29:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_put_cache [2022-11-20 09:29:11,692 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_put_cache [2022-11-20 09:29:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-20 09:29:11,692 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-20 09:29:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_de4x5_private [2022-11-20 09:29:11,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_de4x5_private [2022-11-20 09:29:11,693 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-20 09:29:11,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-20 09:29:11,694 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_de4x5_private [2022-11-20 09:29:11,694 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_de4x5_private [2022-11-20 09:29:11,694 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_mii [2022-11-20 09:29:11,695 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_mii [2022-11-20 09:29:11,695 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_switch_mac_port [2022-11-20 09:29:11,695 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_switch_mac_port [2022-11-20 09:29:11,695 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-20 09:29:11,696 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-20 09:29:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure srom_latch [2022-11-20 09:29:11,696 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_latch [2022-11-20 09:29:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_69 [2022-11-20 09:29:11,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_69 [2022-11-20 09:29:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-20 09:29:11,697 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-20 09:29:11,697 INFO L130 BoogieDeclarations]: Found specification of procedure build_setup_frame [2022-11-20 09:29:11,697 INFO L138 BoogieDeclarations]: Found implementation of procedure build_setup_frame [2022-11-20 09:29:11,697 INFO L130 BoogieDeclarations]: Found specification of procedure type2_infoblock [2022-11-20 09:29:11,697 INFO L138 BoogieDeclarations]: Found implementation of procedure type2_infoblock [2022-11-20 09:29:11,697 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-11-20 09:29:11,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-11-20 09:29:11,697 INFO L130 BoogieDeclarations]: Found specification of procedure type0_infoblock [2022-11-20 09:29:11,698 INFO L138 BoogieDeclarations]: Found implementation of procedure type0_infoblock [2022-11-20 09:29:11,698 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-11-20 09:29:11,698 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-11-20 09:29:11,699 INFO L130 BoogieDeclarations]: Found specification of procedure DevicePresent [2022-11-20 09:29:11,699 INFO L138 BoogieDeclarations]: Found implementation of procedure DevicePresent [2022-11-20 09:29:11,699 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-11-20 09:29:11,699 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-11-20 09:29:11,699 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-20 09:29:11,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-20 09:29:11,699 INFO L130 BoogieDeclarations]: Found specification of procedure dc21143_infoleaf [2022-11-20 09:29:11,699 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21143_infoleaf [2022-11-20 09:29:11,700 INFO L130 BoogieDeclarations]: Found specification of procedure set_multicast_list [2022-11-20 09:29:11,700 INFO L138 BoogieDeclarations]: Found implementation of procedure set_multicast_list [2022-11-20 09:29:11,700 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-20 09:29:11,700 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-20 09:29:11,700 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-20 09:29:11,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-20 09:29:11,700 INFO L130 BoogieDeclarations]: Found specification of procedure strstr [2022-11-20 09:29:11,700 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_sw_reset [2022-11-20 09:29:11,701 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_sw_reset [2022-11-20 09:29:11,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 09:29:11,701 INFO L130 BoogieDeclarations]: Found specification of procedure netif_queue_stopped [2022-11-20 09:29:11,701 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_queue_stopped [2022-11-20 09:29:11,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 09:29:11,701 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-20 09:29:11,701 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-20 09:29:11,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 09:29:11,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 09:29:11,702 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-11-20 09:29:11,703 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-11-20 09:29:11,703 INFO L130 BoogieDeclarations]: Found specification of procedure is_spd_100 [2022-11-20 09:29:11,703 INFO L138 BoogieDeclarations]: Found implementation of procedure is_spd_100 [2022-11-20 09:29:11,703 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-20 09:29:11,703 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-20 09:29:11,703 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2022-11-20 09:29:11,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~C_INT~TO~C_INT [2022-11-20 09:29:11,704 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-20 09:29:11,704 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-20 09:29:11,704 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_mii [2022-11-20 09:29:11,704 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_mii [2022-11-20 09:29:11,705 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_rx_buffs [2022-11-20 09:29:11,705 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_rx_buffs [2022-11-20 09:29:11,705 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-20 09:29:11,705 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-20 09:29:11,705 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-20 09:29:11,705 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-20 09:29:11,705 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-20 09:29:11,705 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-20 09:29:11,706 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~C_INT [2022-11-20 09:29:11,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u_char~0~X~$Pointer$~TO~C_INT [2022-11-20 09:29:11,706 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-20 09:29:11,706 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-20 09:29:11,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 09:29:11,707 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 09:29:11,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-20 09:29:11,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-20 09:29:11,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-20 09:29:11,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-20 09:29:11,707 INFO L130 BoogieDeclarations]: Found specification of procedure ping_media [2022-11-20 09:29:11,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ping_media [2022-11-20 09:29:11,707 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-20 09:29:11,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-20 09:29:11,708 INFO L130 BoogieDeclarations]: Found specification of procedure srom_autoconf [2022-11-20 09:29:11,709 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_autoconf [2022-11-20 09:29:11,711 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-20 09:29:11,712 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-20 09:29:11,712 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-20 09:29:11,712 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-20 09:29:11,712 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_tx [2022-11-20 09:29:11,713 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_tx [2022-11-20 09:29:11,714 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-20 09:29:11,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-20 09:29:11,715 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_dequeue [2022-11-20 09:29:11,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_dequeue [2022-11-20 09:29:11,721 INFO L130 BoogieDeclarations]: Found specification of procedure srom_rd [2022-11-20 09:29:11,721 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_rd [2022-11-20 09:29:11,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 09:29:11,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-20 09:29:11,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-20 09:29:11,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-20 09:29:11,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-20 09:29:11,721 INFO L130 BoogieDeclarations]: Found specification of procedure SetMulticastFilter [2022-11-20 09:29:11,722 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMulticastFilter [2022-11-20 09:29:11,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 09:29:11,722 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ioctl [2022-11-20 09:29:11,722 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ioctl [2022-11-20 09:29:11,722 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-20 09:29:11,722 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-20 09:29:11,722 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-20 09:29:11,722 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-20 09:29:11,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 09:29:11,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-20 09:29:11,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-20 09:29:11,723 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 09:29:11,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 09:29:11,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-20 09:29:11,723 INFO L130 BoogieDeclarations]: Found specification of procedure getfrom_srom [2022-11-20 09:29:11,723 INFO L138 BoogieDeclarations]: Found implementation of procedure getfrom_srom [2022-11-20 09:29:11,723 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-20 09:29:11,723 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-20 09:29:11,723 INFO L130 BoogieDeclarations]: Found specification of procedure mii_swap [2022-11-20 09:29:11,724 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_swap [2022-11-20 09:29:11,724 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_reset_phy [2022-11-20 09:29:11,724 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_reset_phy [2022-11-20 09:29:11,724 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_putb_cache [2022-11-20 09:29:11,724 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_putb_cache [2022-11-20 09:29:11,724 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-20 09:29:11,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-20 09:29:11,724 INFO L130 BoogieDeclarations]: Found specification of procedure dc21142_infoleaf [2022-11-20 09:29:11,724 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21142_infoleaf [2022-11-20 09:29:11,725 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-20 09:29:11,725 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-20 09:29:11,725 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_stats [2022-11-20 09:29:11,725 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_stats [2022-11-20 09:29:11,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-20 09:29:11,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-20 09:29:11,725 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-20 09:29:11,725 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-20 09:29:11,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-20 09:29:11,726 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init_connection [2022-11-20 09:29:11,726 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init_connection [2022-11-20 09:29:11,726 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wr [2022-11-20 09:29:11,726 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wr [2022-11-20 09:29:11,726 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 09:29:11,726 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 09:29:11,726 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_state [2022-11-20 09:29:11,726 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_state [2022-11-20 09:29:11,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 09:29:11,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-20 09:29:11,727 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-20 09:29:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 09:29:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure type3_infoblock [2022-11-20 09:29:11,727 INFO L138 BoogieDeclarations]: Found implementation of procedure type3_infoblock [2022-11-20 09:29:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 09:29:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 09:29:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 09:29:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 09:29:11,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 09:29:11,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 09:29:11,728 INFO L130 BoogieDeclarations]: Found specification of procedure reset_init_sia [2022-11-20 09:29:11,728 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_init_sia [2022-11-20 09:29:11,728 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-20 09:29:11,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-20 09:29:11,728 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-20 09:29:11,728 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-20 09:29:11,728 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_alloc_rx_buff [2022-11-20 09:29:11,728 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_alloc_rx_buff [2022-11-20 09:29:11,729 INFO L130 BoogieDeclarations]: Found specification of procedure test_for_100Mb [2022-11-20 09:29:11,729 INFO L138 BoogieDeclarations]: Found implementation of procedure test_for_100Mb [2022-11-20 09:29:11,729 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-20 09:29:11,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-20 09:29:11,729 INFO L130 BoogieDeclarations]: Found specification of procedure type5_infoblock [2022-11-20 09:29:11,729 INFO L138 BoogieDeclarations]: Found implementation of procedure type5_infoblock [2022-11-20 09:29:11,729 INFO L130 BoogieDeclarations]: Found specification of procedure load_packet [2022-11-20 09:29:11,729 INFO L138 BoogieDeclarations]: Found implementation of procedure load_packet [2022-11-20 09:29:11,729 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140m_autoconf [2022-11-20 09:29:11,730 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140m_autoconf [2022-11-20 09:29:11,730 INFO L130 BoogieDeclarations]: Found specification of procedure is_100_up [2022-11-20 09:29:11,730 INFO L138 BoogieDeclarations]: Found implementation of procedure is_100_up [2022-11-20 09:29:11,730 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_open [2022-11-20 09:29:11,730 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_open [2022-11-20 09:29:11,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 09:29:11,730 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 09:29:11,730 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ta [2022-11-20 09:29:11,730 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ta [2022-11-20 09:29:11,730 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-20 09:29:11,731 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-20 09:29:11,731 INFO L130 BoogieDeclarations]: Found specification of procedure dc21040_autoconf [2022-11-20 09:29:11,731 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21040_autoconf [2022-11-20 09:29:11,731 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le16 [2022-11-20 09:29:11,731 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le16 [2022-11-20 09:29:11,731 INFO L130 BoogieDeclarations]: Found specification of procedure test_mii_reg [2022-11-20 09:29:11,731 INFO L138 BoogieDeclarations]: Found implementation of procedure test_mii_reg [2022-11-20 09:29:11,731 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_cache_state [2022-11-20 09:29:11,731 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_cache_state [2022-11-20 09:29:11,732 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2022-11-20 09:29:11,732 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2022-11-20 09:29:11,732 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_pci_remove [2022-11-20 09:29:11,732 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_pci_remove [2022-11-20 09:29:11,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 09:29:11,734 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_media [2022-11-20 09:29:11,734 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_media [2022-11-20 09:29:11,734 INFO L130 BoogieDeclarations]: Found specification of procedure autoconf_media [2022-11-20 09:29:11,734 INFO L138 BoogieDeclarations]: Found implementation of procedure autoconf_media [2022-11-20 09:29:11,734 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_autoconf [2022-11-20 09:29:11,734 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_autoconf [2022-11-20 09:29:11,735 INFO L130 BoogieDeclarations]: Found specification of procedure mii_rd [2022-11-20 09:29:11,735 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_rd [2022-11-20 09:29:11,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 09:29:11,735 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_ast [2022-11-20 09:29:11,736 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_ast [2022-11-20 09:29:11,739 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_le32 [2022-11-20 09:29:11,740 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_le32 [2022-11-20 09:29:11,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 09:29:11,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 09:29:11,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 09:29:11,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 09:29:11,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 09:29:11,740 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-20 09:29:11,740 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-20 09:29:11,741 INFO L130 BoogieDeclarations]: Found specification of procedure is_10_up [2022-11-20 09:29:11,742 INFO L138 BoogieDeclarations]: Found implementation of procedure is_10_up [2022-11-20 09:29:11,742 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-11-20 09:29:11,742 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-11-20 09:29:11,742 INFO L130 BoogieDeclarations]: Found specification of procedure is_anc_capable [2022-11-20 09:29:11,743 INFO L138 BoogieDeclarations]: Found implementation of procedure is_anc_capable [2022-11-20 09:29:11,743 INFO L130 BoogieDeclarations]: Found specification of procedure type1_infoblock [2022-11-20 09:29:11,743 INFO L138 BoogieDeclarations]: Found implementation of procedure type1_infoblock [2022-11-20 09:29:11,743 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-20 09:29:11,743 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-20 09:29:11,743 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-20 09:29:11,743 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-20 09:29:11,743 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-20 09:29:11,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-20 09:29:11,744 INFO L130 BoogieDeclarations]: Found specification of procedure dc21140_infoleaf [2022-11-20 09:29:11,744 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21140_infoleaf [2022-11-20 09:29:11,744 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-20 09:29:11,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-20 09:29:11,744 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2022-11-20 09:29:11,744 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2022-11-20 09:29:11,744 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_queue_pkt [2022-11-20 09:29:11,744 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_queue_pkt [2022-11-20 09:29:11,744 INFO L130 BoogieDeclarations]: Found specification of procedure test_media [2022-11-20 09:29:11,744 INFO L138 BoogieDeclarations]: Found implementation of procedure test_media [2022-11-20 09:29:11,745 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buffs [2022-11-20 09:29:11,745 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buffs [2022-11-20 09:29:11,745 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_insert [2022-11-20 09:29:11,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_insert [2022-11-20 09:29:11,745 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-20 09:29:11,745 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-20 09:29:11,745 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-20 09:29:11,745 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-20 09:29:11,745 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-20 09:29:11,745 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-20 09:29:11,746 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_init [2022-11-20 09:29:11,746 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_init [2022-11-20 09:29:11,746 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 09:29:11,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 09:29:11,746 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-20 09:29:11,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-20 09:29:11,746 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_73 [2022-11-20 09:29:11,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_73 [2022-11-20 09:29:11,747 INFO L130 BoogieDeclarations]: Found specification of procedure dc21041_infoleaf [2022-11-20 09:29:11,747 INFO L138 BoogieDeclarations]: Found implementation of procedure dc21041_infoleaf [2022-11-20 09:29:11,747 INFO L130 BoogieDeclarations]: Found specification of procedure srom_exec [2022-11-20 09:29:11,747 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_exec [2022-11-20 09:29:11,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-20 09:29:11,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-20 09:29:11,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 09:29:11,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-20 09:29:11,748 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 09:29:11,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 09:29:11,748 INFO L130 BoogieDeclarations]: Found specification of procedure gep_wr [2022-11-20 09:29:11,748 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_wr [2022-11-20 09:29:11,748 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-20 09:29:11,748 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-20 09:29:11,748 INFO L130 BoogieDeclarations]: Found specification of procedure sendto_srom [2022-11-20 09:29:11,748 INFO L138 BoogieDeclarations]: Found implementation of procedure sendto_srom [2022-11-20 09:29:11,749 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-20 09:29:11,749 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-20 09:29:11,749 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_get_cache [2022-11-20 09:29:11,749 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_get_cache [2022-11-20 09:29:11,749 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_suspect_state [2022-11-20 09:29:11,749 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_suspect_state [2022-11-20 09:29:11,749 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_dbg_mii [2022-11-20 09:29:11,750 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_dbg_mii [2022-11-20 09:29:11,750 INFO L130 BoogieDeclarations]: Found specification of procedure compact_infoblock [2022-11-20 09:29:11,750 INFO L138 BoogieDeclarations]: Found implementation of procedure compact_infoblock [2022-11-20 09:29:11,750 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-20 09:29:11,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-20 09:29:11,750 INFO L130 BoogieDeclarations]: Found specification of procedure gep_rd [2022-11-20 09:29:11,750 INFO L138 BoogieDeclarations]: Found implementation of procedure gep_rd [2022-11-20 09:29:11,750 INFO L130 BoogieDeclarations]: Found specification of procedure mii_address [2022-11-20 09:29:11,750 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_address [2022-11-20 09:29:11,751 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_free_tx_buff [2022-11-20 09:29:11,751 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_free_tx_buff [2022-11-20 09:29:11,751 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_setup_intr [2022-11-20 09:29:11,751 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_setup_intr [2022-11-20 09:29:11,751 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_save_skbs [2022-11-20 09:29:11,751 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_save_skbs [2022-11-20 09:29:11,751 INFO L130 BoogieDeclarations]: Found specification of procedure dc2114x_autoconf [2022-11-20 09:29:11,751 INFO L138 BoogieDeclarations]: Found implementation of procedure dc2114x_autoconf [2022-11-20 09:29:11,752 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-20 09:29:11,752 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-20 09:29:11,752 INFO L130 BoogieDeclarations]: Found specification of procedure srom_map_media [2022-11-20 09:29:11,752 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_map_media [2022-11-20 09:29:11,752 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_strncmp [2022-11-20 09:29:11,752 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_strncmp [2022-11-20 09:29:11,752 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2022-11-20 09:29:11,752 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2022-11-20 09:29:11,753 INFO L130 BoogieDeclarations]: Found specification of procedure de4x5_close [2022-11-20 09:29:11,753 INFO L138 BoogieDeclarations]: Found implementation of procedure de4x5_close [2022-11-20 09:29:11,753 INFO L130 BoogieDeclarations]: Found specification of procedure yawn [2022-11-20 09:29:11,753 INFO L138 BoogieDeclarations]: Found implementation of procedure yawn [2022-11-20 09:29:11,753 INFO L130 BoogieDeclarations]: Found specification of procedure mii_wdata [2022-11-20 09:29:11,753 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_wdata [2022-11-20 09:29:11,753 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-20 09:29:11,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-20 09:29:11,754 INFO L130 BoogieDeclarations]: Found specification of procedure strncpy [2022-11-20 09:29:13,171 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 09:29:13,175 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 09:29:17,023 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 09:30:46,411 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-20 09:30:47,164 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 09:30:47,200 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 09:30:47,201 INFO L300 CfgBuilder]: Removed 17 assume(true) statements. [2022-11-20 09:30:47,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:30:47 BoogieIcfgContainer [2022-11-20 09:30:47,208 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 09:30:47,212 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 09:30:47,213 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 09:30:47,216 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 09:30:47,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:29:03" (1/3) ... [2022-11-20 09:30:47,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eada7cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:30:47, skipping insertion in model container [2022-11-20 09:30:47,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:10" (2/3) ... [2022-11-20 09:30:47,222 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@eada7cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:30:47, skipping insertion in model container [2022-11-20 09:30:47,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:30:47" (3/3) ... [2022-11-20 09:30:47,224 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-dec-tulip-de4x5.cil.i [2022-11-20 09:30:47,242 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 09:30:47,243 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-11-20 09:30:47,374 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 09:30:47,384 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;@6b8c8f62, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 09:30:47,384 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-20 09:30:47,404 INFO L276 IsEmpty]: Start isEmpty. Operand has 3856 states, 2721 states have (on average 1.3476662991547226) internal successors, (3667), 2783 states have internal predecessors, (3667), 996 states have call successors, (996), 153 states have call predecessors, (996), 152 states have return successors, (989), 975 states have call predecessors, (989), 989 states have call successors, (989) [2022-11-20 09:30:47,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2022-11-20 09:30:47,439 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:30:47,440 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:30:47,441 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 09:30:47,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:47,450 INFO L85 PathProgramCache]: Analyzing trace with hash -1379479000, now seen corresponding path program 1 times [2022-11-20 09:30:47,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:30:47,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1402409616] [2022-11-20 09:30:47,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:47,469 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 09:30:47,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:30:47,476 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/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 09:30:47,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/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 09:30:49,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:49,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 1871 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 09:30:49,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:30:50,141 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2022-11-20 09:30:50,142 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:30:50,142 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:30:50,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1402409616] [2022-11-20 09:30:50,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1402409616] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:50,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:50,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:30:50,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519534984] [2022-11-20 09:30:50,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:50,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:30:50,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:30:50,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:30:50,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:30:50,203 INFO L87 Difference]: Start difference. First operand has 3856 states, 2721 states have (on average 1.3476662991547226) internal successors, (3667), 2783 states have internal predecessors, (3667), 996 states have call successors, (996), 153 states have call predecessors, (996), 152 states have return successors, (989), 975 states have call predecessors, (989), 989 states have call successors, (989) Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-20 09:30:52,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:30:53,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:30:53,130 INFO L93 Difference]: Finished difference Result 11327 states and 17005 transitions. [2022-11-20 09:30:53,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:30:53,132 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 189 [2022-11-20 09:30:53,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:30:53,195 INFO L225 Difference]: With dead ends: 11327 [2022-11-20 09:30:53,196 INFO L226 Difference]: Without dead ends: 7492 [2022-11-20 09:30:53,237 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 187 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 09:30:53,239 INFO L413 NwaCegarLoop]: 6494 mSDtfsCounter, 5426 mSDsluCounter, 5504 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5426 SdHoareTripleChecker+Valid, 11998 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-11-20 09:30:53,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5426 Valid, 11998 Invalid, 14 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2022-11-20 09:30:53,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7492 states. [2022-11-20 09:30:53,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7492 to 7488. [2022-11-20 09:30:53,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7488 states, 5279 states have (on average 1.346277704110627) internal successors, (7107), 5371 states have internal predecessors, (7107), 1905 states have call successors, (1905), 302 states have call predecessors, (1905), 301 states have return successors, (1902), 1874 states have call predecessors, (1902), 1902 states have call successors, (1902) [2022-11-20 09:30:53,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7488 states to 7488 states and 10914 transitions. [2022-11-20 09:30:53,761 INFO L78 Accepts]: Start accepts. Automaton has 7488 states and 10914 transitions. Word has length 189 [2022-11-20 09:30:53,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:30:53,762 INFO L495 AbstractCegarLoop]: Abstraction has 7488 states and 10914 transitions. [2022-11-20 09:30:53,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-20 09:30:53,763 INFO L276 IsEmpty]: Start isEmpty. Operand 7488 states and 10914 transitions. [2022-11-20 09:30:53,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-11-20 09:30:53,769 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:30:53,769 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:30:53,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/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 09:30:53,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/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 09:30:53,993 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 09:30:53,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:53,993 INFO L85 PathProgramCache]: Analyzing trace with hash 136506219, now seen corresponding path program 1 times [2022-11-20 09:30:53,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:30:53,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2065715928] [2022-11-20 09:30:53,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:53,997 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 09:30:53,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:30:53,998 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/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 09:30:54,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/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 09:30:56,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:56,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 1909 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 09:30:56,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:30:56,497 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2022-11-20 09:30:56,497 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:30:56,497 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:30:56,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2065715928] [2022-11-20 09:30:56,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2065715928] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:56,498 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:56,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:30:56,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178564480] [2022-11-20 09:30:56,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:56,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:30:56,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:30:56,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:30:56,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:30:56,501 INFO L87 Difference]: Start difference. First operand 7488 states and 10914 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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 09:30:58,637 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:30:59,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:30:59,501 INFO L93 Difference]: Finished difference Result 21972 states and 32352 transitions. [2022-11-20 09:30:59,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:30:59,502 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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 195 [2022-11-20 09:30:59,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:30:59,625 INFO L225 Difference]: With dead ends: 21972 [2022-11-20 09:30:59,626 INFO L226 Difference]: Without dead ends: 14519 [2022-11-20 09:30:59,816 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 193 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 09:30:59,818 INFO L413 NwaCegarLoop]: 6556 mSDtfsCounter, 5287 mSDsluCounter, 5538 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 8 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5287 SdHoareTripleChecker+Valid, 12094 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-20 09:30:59,820 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5287 Valid, 12094 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 14 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2022-11-20 09:30:59,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14519 states. [2022-11-20 09:31:00,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14519 to 14483. [2022-11-20 09:31:00,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14483 states, 10201 states have (on average 1.3475149495147534) internal successors, (13746), 10389 states have internal predecessors, (13746), 3684 states have call successors, (3684), 600 states have call predecessors, (3684), 595 states have return successors, (4005), 3613 states have call predecessors, (4005), 3681 states have call successors, (4005) [2022-11-20 09:31:00,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14483 states to 14483 states and 21435 transitions. [2022-11-20 09:31:00,927 INFO L78 Accepts]: Start accepts. Automaton has 14483 states and 21435 transitions. Word has length 195 [2022-11-20 09:31:00,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:31:00,931 INFO L495 AbstractCegarLoop]: Abstraction has 14483 states and 21435 transitions. [2022-11-20 09:31:00,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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 09:31:00,932 INFO L276 IsEmpty]: Start isEmpty. Operand 14483 states and 21435 transitions. [2022-11-20 09:31:00,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2022-11-20 09:31:00,942 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:31:00,943 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:31:00,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/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 09:31:01,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/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 09:31:01,164 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 09:31:01,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:31:01,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1190937482, now seen corresponding path program 1 times [2022-11-20 09:31:01,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:31:01,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1412037882] [2022-11-20 09:31:01,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:31:01,167 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 09:31:01,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:31:01,185 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/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 09:31:01,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/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 09:31:03,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:03,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 1968 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 09:31:03,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:31:03,736 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2022-11-20 09:31:03,736 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:31:03,736 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:31:03,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1412037882] [2022-11-20 09:31:03,737 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1412037882] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:31:03,737 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:31:03,737 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:31:03,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628614106] [2022-11-20 09:31:03,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:31:03,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:31:03,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:31:03,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:31:03,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:31:03,740 INFO L87 Difference]: Start difference. First operand 14483 states and 21435 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, (21), 3 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-20 09:31:05,884 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:31:08,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:31:08,062 INFO L93 Difference]: Finished difference Result 43205 states and 63975 transitions. [2022-11-20 09:31:08,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:31:08,063 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, (21), 3 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 205 [2022-11-20 09:31:08,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:31:08,333 INFO L225 Difference]: With dead ends: 43205 [2022-11-20 09:31:08,334 INFO L226 Difference]: Without dead ends: 28757 [2022-11-20 09:31:08,446 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 203 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 09:31:08,448 INFO L413 NwaCegarLoop]: 6486 mSDtfsCounter, 5399 mSDsluCounter, 5487 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5399 SdHoareTripleChecker+Valid, 11973 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-20 09:31:08,448 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5399 Valid, 11973 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 2.8s Time] [2022-11-20 09:31:08,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28757 states. [2022-11-20 09:31:10,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28757 to 28719. [2022-11-20 09:31:10,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28719 states, 20229 states have (on average 1.3480646596470414) internal successors, (27270), 20603 states have internal predecessors, (27270), 7298 states have call successors, (7298), 1198 states have call predecessors, (7298), 1189 states have return successors, (7955), 7157 states have call predecessors, (7955), 7295 states have call successors, (7955) [2022-11-20 09:31:10,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28719 states to 28719 states and 42523 transitions. [2022-11-20 09:31:10,564 INFO L78 Accepts]: Start accepts. Automaton has 28719 states and 42523 transitions. Word has length 205 [2022-11-20 09:31:10,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:31:10,565 INFO L495 AbstractCegarLoop]: Abstraction has 28719 states and 42523 transitions. [2022-11-20 09:31:10,565 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, (21), 3 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-20 09:31:10,566 INFO L276 IsEmpty]: Start isEmpty. Operand 28719 states and 42523 transitions. [2022-11-20 09:31:10,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2022-11-20 09:31:10,571 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:31:10,571 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:31:10,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/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 09:31:10,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/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 09:31:10,796 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 09:31:10,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:31:10,797 INFO L85 PathProgramCache]: Analyzing trace with hash 354717250, now seen corresponding path program 1 times [2022-11-20 09:31:10,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:31:10,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [45433470] [2022-11-20 09:31:10,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:31:10,800 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 09:31:10,800 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:31:10,801 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/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 09:31:10,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/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 09:31:13,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:13,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 1969 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 09:31:13,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:31:13,604 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2022-11-20 09:31:13,605 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:31:13,605 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:31:13,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [45433470] [2022-11-20 09:31:13,605 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [45433470] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:31:13,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:31:13,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:31:13,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936499912] [2022-11-20 09:31:13,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:31:13,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:31:13,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:31:13,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:31:13,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:31:13,608 INFO L87 Difference]: Start difference. First operand 28719 states and 42523 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-20 09:31:15,743 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:31:18,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:31:18,766 INFO L93 Difference]: Finished difference Result 85739 states and 127001 transitions. [2022-11-20 09:31:18,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:31:18,767 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 206 [2022-11-20 09:31:18,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:31:19,079 INFO L225 Difference]: With dead ends: 85739 [2022-11-20 09:31:19,079 INFO L226 Difference]: Without dead ends: 57055 [2022-11-20 09:31:19,223 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 09:31:19,225 INFO L413 NwaCegarLoop]: 6485 mSDtfsCounter, 5398 mSDsluCounter, 5487 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5398 SdHoareTripleChecker+Valid, 11972 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-11-20 09:31:19,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5398 Valid, 11972 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 2.7s Time] [2022-11-20 09:31:19,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57055 states. [2022-11-20 09:31:22,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57055 to 57011. [2022-11-20 09:31:22,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57011 states, 40145 states have (on average 1.3483621870718645) internal successors, (54130), 40891 states have internal predecessors, (54130), 14486 states have call successors, (14486), 2394 states have call predecessors, (14486), 2377 states have return successors, (15819), 14205 states have call predecessors, (15819), 14483 states have call successors, (15819) [2022-11-20 09:31:23,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57011 states to 57011 states and 84435 transitions. [2022-11-20 09:31:23,839 INFO L78 Accepts]: Start accepts. Automaton has 57011 states and 84435 transitions. Word has length 206 [2022-11-20 09:31:23,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:31:23,840 INFO L495 AbstractCegarLoop]: Abstraction has 57011 states and 84435 transitions. [2022-11-20 09:31:23,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-20 09:31:23,841 INFO L276 IsEmpty]: Start isEmpty. Operand 57011 states and 84435 transitions. [2022-11-20 09:31:23,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2022-11-20 09:31:23,845 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:31:23,846 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:31:23,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/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 09:31:24,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/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 09:31:24,069 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 09:31:24,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:31:24,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1877793619, now seen corresponding path program 1 times [2022-11-20 09:31:24,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:31:24,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [780510650] [2022-11-20 09:31:24,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:31:24,072 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 09:31:24,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:31:24,074 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/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 09:31:24,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/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 09:31:26,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:26,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 1970 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 09:31:26,425 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:31:26,814 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2022-11-20 09:31:26,814 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:31:26,814 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:31:26,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [780510650] [2022-11-20 09:31:26,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [780510650] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:31:26,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:31:26,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:31:26,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177894585] [2022-11-20 09:31:26,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:31:26,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:31:26,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:31:26,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:31:26,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:31:26,820 INFO L87 Difference]: Start difference. First operand 57011 states and 84435 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-20 09:31:28,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 09:31:34,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:31:34,962 INFO L93 Difference]: Finished difference Result 170267 states and 252269 transitions. [2022-11-20 09:31:34,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:31:34,963 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 207 [2022-11-20 09:31:34,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:31:35,906 INFO L225 Difference]: With dead ends: 170267 [2022-11-20 09:31:35,906 INFO L226 Difference]: Without dead ends: 113291 [2022-11-20 09:31:36,310 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 205 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 09:31:36,311 INFO L413 NwaCegarLoop]: 6485 mSDtfsCounter, 5397 mSDsluCounter, 5487 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 7 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5397 SdHoareTripleChecker+Valid, 11972 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-20 09:31:36,311 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5397 Valid, 11972 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2022-11-20 09:31:36,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113291 states. [2022-11-20 09:31:43,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113291 to 113235. [2022-11-20 09:31:43,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113235 states, 79697 states have (on average 1.3485325670978832) internal successors, (107474), 81187 states have internal predecessors, (107474), 28782 states have call successors, (28782), 4786 states have call predecessors, (28782), 4753 states have return successors, (31483), 28221 states have call predecessors, (31483), 28779 states have call successors, (31483) [2022-11-20 09:31:44,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113235 states to 113235 states and 167739 transitions. [2022-11-20 09:31:44,528 INFO L78 Accepts]: Start accepts. Automaton has 113235 states and 167739 transitions. Word has length 207 [2022-11-20 09:31:44,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:31:44,529 INFO L495 AbstractCegarLoop]: Abstraction has 113235 states and 167739 transitions. [2022-11-20 09:31:44,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-20 09:31:44,530 INFO L276 IsEmpty]: Start isEmpty. Operand 113235 states and 167739 transitions. [2022-11-20 09:31:44,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-11-20 09:31:44,542 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:31:44,543 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:31:44,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/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)] Ended with exit code 0 [2022-11-20 09:31:44,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/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 09:31:44,757 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 09:31:44,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:31:44,757 INFO L85 PathProgramCache]: Analyzing trace with hash -150673979, now seen corresponding path program 1 times [2022-11-20 09:31:44,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 09:31:44,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1780297670] [2022-11-20 09:31:44,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:31:44,760 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 09:31:44,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 09:31:44,761 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/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 09:31:44,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ba21463-9d9b-4625-ab10-3bfe015ad792/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 09:31:46,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:31:47,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 1971 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 09:31:47,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:31:47,431 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 945 trivial. 0 not checked. [2022-11-20 09:31:47,431 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 09:31:47,432 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 09:31:47,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1780297670] [2022-11-20 09:31:47,432 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1780297670] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:31:47,432 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:31:47,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:31:47,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565428706] [2022-11-20 09:31:47,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:31:47,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:31:47,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 09:31:47,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:31:47,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:31:47,434 INFO L87 Difference]: Start difference. First operand 113235 states and 167739 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (21), 3 states have call predecessors, (21), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-20 09:31:49,568 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []