./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-oki-semi-pch_gbe-pch_gbe.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_019ccec3-b676-41d3-9310-897ff4889252/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/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_019ccec3-b676-41d3-9310-897ff4889252/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/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_019ccec3-b676-41d3-9310-897ff4889252/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 bc38af6d85a1ea18be4ba0c188eed765e9a84460b9b23510e792660c4b3625d7 --- 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 10:38:39,920 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:38:39,923 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:38:39,945 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:38:39,945 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:38:39,946 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:38:39,948 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:38:39,949 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:38:39,951 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:38:39,952 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:38:39,953 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:38:39,956 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:38:39,956 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:38:39,958 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:38:39,959 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:38:39,960 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:38:39,961 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:38:39,962 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:38:39,964 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:38:39,966 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:38:39,968 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:38:39,969 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:38:39,971 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:38:39,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:38:39,976 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:38:39,977 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:38:39,977 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:38:39,978 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:38:39,979 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:38:39,980 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:38:39,980 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:38:39,981 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:38:39,982 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:38:39,983 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:38:39,985 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:38:39,985 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:38:39,986 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:38:39,986 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:38:39,986 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:38:39,987 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:38:39,988 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:38:39,989 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 10:38:40,032 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:38:40,033 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:38:40,033 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:38:40,033 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:38:40,034 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:38:40,034 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:38:40,035 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:38:40,035 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:38:40,035 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:38:40,036 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:38:40,036 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:38:40,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:38:40,036 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:38:40,036 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:38:40,036 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:38:40,037 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:38:40,037 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:38:40,037 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:38:40,037 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:38:40,037 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:38:40,038 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:38:40,038 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:38:40,038 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:38:40,038 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:38:40,038 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:38:40,039 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:38:40,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:38:40,039 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:38:40,039 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:38:40,039 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:38:40,039 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_019ccec3-b676-41d3-9310-897ff4889252/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc38af6d85a1ea18be4ba0c188eed765e9a84460b9b23510e792660c4b3625d7 [2022-11-20 10:38:40,310 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:38:40,390 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:38:40,393 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:38:40,395 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:38:40,398 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:38:40,399 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-11-20 10:38:43,440 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:38:44,319 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:38:44,320 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-11-20 10:38:44,374 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/bin/uautomizer-ug76WZFUDN/data/f1851fbe4/7daee54199f34a9c9a5f166c57475018/FLAG0e40681d2 [2022-11-20 10:38:44,390 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/bin/uautomizer-ug76WZFUDN/data/f1851fbe4/7daee54199f34a9c9a5f166c57475018 [2022-11-20 10:38:44,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:38:44,394 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:38:44,397 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:38:44,398 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:38:44,401 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:38:44,402 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:38:44" (1/1) ... [2022-11-20 10:38:44,403 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@172395bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:44, skipping insertion in model container [2022-11-20 10:38:44,403 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:38:44" (1/1) ... [2022-11-20 10:38:44,411 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:38:44,617 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:38:45,472 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 10:38:45,482 INFO L158 Benchmark]: Toolchain (without parser) took 1087.24ms. Allocated memory is still 190.8MB. Free memory was 141.0MB in the beginning and 115.3MB in the end (delta: 25.6MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2022-11-20 10:38:45,483 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 136.3MB. Free memory is still 110.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:38:45,484 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1083.06ms. Allocated memory is still 190.8MB. Free memory was 140.5MB in the beginning and 115.3MB in the end (delta: 25.2MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2022-11-20 10:38:45,486 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 136.3MB. Free memory is still 110.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1083.06ms. Allocated memory is still 190.8MB. Free memory was 140.5MB in the beginning and 115.3MB in the end (delta: 25.2MB). Peak memory consumption was 60.8MB. 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_019ccec3-b676-41d3-9310-897ff4889252/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/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_019ccec3-b676-41d3-9310-897ff4889252/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/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_019ccec3-b676-41d3-9310-897ff4889252/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 bc38af6d85a1ea18be4ba0c188eed765e9a84460b9b23510e792660c4b3625d7 --- 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 10:38:47,756 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:38:47,758 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:38:47,780 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:38:47,781 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:38:47,782 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:38:47,783 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:38:47,785 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:38:47,786 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:38:47,787 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:38:47,788 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:38:47,789 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:38:47,790 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:38:47,791 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:38:47,792 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:38:47,793 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:38:47,794 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:38:47,795 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:38:47,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:38:47,798 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:38:47,800 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:38:47,801 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:38:47,806 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:38:47,807 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:38:47,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:38:47,820 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:38:47,820 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:38:47,821 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:38:47,822 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:38:47,823 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:38:47,823 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:38:47,824 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:38:47,830 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:38:47,831 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:38:47,847 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:38:47,847 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:38:47,848 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:38:47,848 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:38:47,848 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:38:47,849 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:38:47,850 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:38:47,851 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 10:38:47,894 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:38:47,895 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:38:47,895 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:38:47,895 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:38:47,896 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:38:47,896 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:38:47,896 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:38:47,897 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:38:47,897 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:38:47,897 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:38:47,897 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:38:47,897 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:38:47,898 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:38:47,898 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:38:47,898 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 10:38:47,898 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 10:38:47,898 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 10:38:47,898 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:38:47,899 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:38:47,899 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:38:47,899 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:38:47,899 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:38:47,899 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:38:47,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:38:47,900 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:38:47,900 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:38:47,900 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:38:47,900 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 10:38:47,900 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 10:38:47,901 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:38:47,901 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:38:47,901 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:38:47,901 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 10:38:47,901 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_019ccec3-b676-41d3-9310-897ff4889252/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc38af6d85a1ea18be4ba0c188eed765e9a84460b9b23510e792660c4b3625d7 [2022-11-20 10:38:48,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:38:48,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:38:48,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:38:48,345 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:38:48,347 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:38:48,349 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-11-20 10:38:51,506 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:38:52,243 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:38:52,244 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-11-20 10:38:52,318 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/bin/uautomizer-ug76WZFUDN/data/3a491f81e/8a0a7c030a0349a4adc658f76ff9172c/FLAGedf3e2800 [2022-11-20 10:38:52,588 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/bin/uautomizer-ug76WZFUDN/data/3a491f81e/8a0a7c030a0349a4adc658f76ff9172c [2022-11-20 10:38:52,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:38:52,593 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:38:52,595 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:38:52,595 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:38:52,599 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:38:52,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:38:52" (1/1) ... [2022-11-20 10:38:52,600 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@702f11bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:38:52, skipping insertion in model container [2022-11-20 10:38:52,601 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:38:52" (1/1) ... [2022-11-20 10:38:52,608 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:38:52,934 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:38:59,122 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_019ccec3-b676-41d3-9310-897ff4889252/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552482,552495] [2022-11-20 10:38:59,126 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_019ccec3-b676-41d3-9310-897ff4889252/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552651,552664] [2022-11-20 10:38:59,127 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_019ccec3-b676-41d3-9310-897ff4889252/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552818,552831] [2022-11-20 10:38:59,128 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_019ccec3-b676-41d3-9310-897ff4889252/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552986,552999] [2022-11-20 10:38:59,160 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:38:59,262 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 10:38:59,369 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:38:59,891 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_019ccec3-b676-41d3-9310-897ff4889252/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552482,552495] [2022-11-20 10:38:59,891 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_019ccec3-b676-41d3-9310-897ff4889252/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552651,552664] [2022-11-20 10:38:59,892 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_019ccec3-b676-41d3-9310-897ff4889252/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552818,552831] [2022-11-20 10:38:59,892 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_019ccec3-b676-41d3-9310-897ff4889252/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552986,552999] [2022-11-20 10:38:59,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:38:59,980 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:39:00,710 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_019ccec3-b676-41d3-9310-897ff4889252/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552482,552495] [2022-11-20 10:39:00,711 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_019ccec3-b676-41d3-9310-897ff4889252/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552651,552664] [2022-11-20 10:39:00,716 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_019ccec3-b676-41d3-9310-897ff4889252/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552818,552831] [2022-11-20 10:39:00,717 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_019ccec3-b676-41d3-9310-897ff4889252/sv-benchmarks/c/ldv-challenges/linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i[552986,552999] [2022-11-20 10:39:00,729 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:39:01,171 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:39:01,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:01 WrapperNode [2022-11-20 10:39:01,172 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:39:01,173 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:39:01,173 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:39:01,173 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:39:01,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:01" (1/1) ... [2022-11-20 10:39:01,328 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:01" (1/1) ... [2022-11-20 10:39:01,737 INFO L138 Inliner]: procedures = 718, calls = 6575, calls flagged for inlining = 364, calls inlined = 322, statements flattened = 11189 [2022-11-20 10:39:01,737 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:39:01,740 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:39:01,740 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:39:01,741 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:39:01,751 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:01" (1/1) ... [2022-11-20 10:39:01,753 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:01" (1/1) ... [2022-11-20 10:39:01,851 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:01" (1/1) ... [2022-11-20 10:39:01,852 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:01" (1/1) ... [2022-11-20 10:39:02,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:01" (1/1) ... [2022-11-20 10:39:02,137 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:01" (1/1) ... [2022-11-20 10:39:02,304 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:01" (1/1) ... [2022-11-20 10:39:02,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:01" (1/1) ... [2022-11-20 10:39:02,369 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:39:02,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:39:02,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:39:02,371 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:39:02,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:01" (1/1) ... [2022-11-20 10:39:02,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:39:02,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:39:02,467 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:39:02,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:39:02,519 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_93 [2022-11-20 10:39:02,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_93 [2022-11-20 10:39:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-20 10:39:02,520 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-20 10:39:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_irq_disable [2022-11-20 10:39:02,520 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_irq_disable [2022-11-20 10:39:02,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-20 10:39:02,520 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-20 10:39:02,521 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-20 10:39:02,521 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-20 10:39:02,521 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_80 [2022-11-20 10:39:02,521 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_80 [2022-11-20 10:39:02,521 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_intr [2022-11-20 10:39:02,522 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_intr [2022-11-20 10:39:02,522 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-20 10:39:02,522 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-20 10:39:02,522 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 10:39:02,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 10:39:02,523 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_minnow_platform_init [2022-11-20 10:39:02,523 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_minnow_platform_init [2022-11-20 10:39:02,524 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_open [2022-11-20 10:39:02,524 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_open [2022-11-20 10:39:02,524 INFO L130 BoogieDeclarations]: Found specification of procedure usleep_range [2022-11-20 10:39:02,524 INFO L138 BoogieDeclarations]: Found implementation of procedure usleep_range [2022-11-20 10:39:02,525 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-20 10:39:02,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-20 10:39:02,525 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_reinit_locked [2022-11-20 10:39:02,525 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_reinit_locked [2022-11-20 10:39:02,525 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_up_phy [2022-11-20 10:39:02,525 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_up_phy [2022-11-20 10:39:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_tx_resources [2022-11-20 10:39:02,526 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_tx_resources [2022-11-20 10:39:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-20 10:39:02,526 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-20 10:39:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-20 10:39:02,526 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-20 10:39:02,526 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-20 10:39:02,526 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-20 10:39:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_netpoll [2022-11-20 10:39:02,527 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_netpoll [2022-11-20 10:39:02,527 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_plat_init_hw [2022-11-20 10:39:02,527 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_plat_init_hw [2022-11-20 10:39:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_rx_resources [2022-11-20 10:39:02,528 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_rx_resources [2022-11-20 10:39:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_tx_resources [2022-11-20 10:39:02,528 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_tx_resources [2022-11-20 10:39:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-20 10:39:02,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-20 10:39:02,528 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_EMGentry_exit_pch_gbe_exit_module_17_2 [2022-11-20 10:39:02,528 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_EMGentry_exit_pch_gbe_exit_module_17_2 [2022-11-20 10:39:02,529 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-20 10:39:02,529 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-20 10:39:02,529 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-20 10:39:02,529 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-20 10:39:02,529 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-11-20 10:39:02,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-11-20 10:39:02,529 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2022-11-20 10:39:02,530 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2022-11-20 10:39:02,530 INFO L130 BoogieDeclarations]: Found specification of procedure pch_set_station_address [2022-11-20 10:39:02,530 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_set_station_address [2022-11-20 10:39:02,530 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-20 10:39:02,530 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-20 10:39:02,530 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-20 10:39:02,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-20 10:39:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mdio_write [2022-11-20 10:39:02,531 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mdio_write [2022-11-20 10:39:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-20 10:39:02,531 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-20 10:39:02,531 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-20 10:39:02,532 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-20 10:39:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-11-20 10:39:02,532 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-11-20 10:39:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-20 10:39:02,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-20 10:39:02,532 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-20 10:39:02,533 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-20 10:39:02,533 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_attach [2022-11-20 10:39:02,533 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_attach [2022-11-20 10:39:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 10:39:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_power_up [2022-11-20 10:39:02,534 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_power_up [2022-11-20 10:39:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-20 10:39:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 10:39:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 10:39:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 10:39:02,534 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_detach [2022-11-20 10:39:02,535 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_detach [2022-11-20 10:39:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_resume [2022-11-20 10:39:02,535 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_resume [2022-11-20 10:39:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-20 10:39:02,535 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-20 10:39:02,535 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_event_write [2022-11-20 10:39:02,536 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_event_write [2022-11-20 10:39:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-20 10:39:02,536 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-20 10:39:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-20 10:39:02,536 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-20 10:39:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-20 10:39:02,536 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-20 10:39:02,536 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev [2022-11-20 10:39:02,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev [2022-11-20 10:39:02,537 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-20 10:39:02,539 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-20 10:39:02,541 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_enable_dma_rx [2022-11-20 10:39:02,542 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_enable_dma_rx [2022-11-20 10:39:02,542 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_configure_rx [2022-11-20 10:39:02,542 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_configure_rx [2022-11-20 10:39:02,543 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_wait_clr_bit [2022-11-20 10:39:02,543 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_wait_clr_bit [2022-11-20 10:39:02,544 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-20 10:39:02,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-20 10:39:02,545 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-20 10:39:02,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-20 10:39:02,549 INFO L130 BoogieDeclarations]: Found specification of procedure vzalloc [2022-11-20 10:39:02,549 INFO L138 BoogieDeclarations]: Found implementation of procedure vzalloc [2022-11-20 10:39:02,549 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-20 10:39:02,550 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-20 10:39:02,550 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_remove [2022-11-20 10:39:02,550 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_remove [2022-11-20 10:39:02,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-20 10:39:02,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-20 10:39:02,552 INFO L130 BoogieDeclarations]: Found specification of procedure skb_transport_header [2022-11-20 10:39:02,552 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_transport_header [2022-11-20 10:39:02,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2022-11-20 10:39:02,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2022-11-20 10:39:02,552 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-20 10:39:02,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-20 10:39:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-20 10:39:02,553 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-20 10:39:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_force_mac_fc [2022-11-20 10:39:02,553 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_force_mac_fc [2022-11-20 10:39:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_suspend [2022-11-20 10:39:02,553 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_suspend [2022-11-20 10:39:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure vfree [2022-11-20 10:39:02,553 INFO L138 BoogieDeclarations]: Found implementation of procedure vfree [2022-11-20 10:39:02,553 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-20 10:39:02,554 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-20 10:39:02,554 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-20 10:39:02,554 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-20 10:39:02,554 INFO L130 BoogieDeclarations]: Found specification of procedure gpio_set_value [2022-11-20 10:39:02,554 INFO L138 BoogieDeclarations]: Found implementation of procedure gpio_set_value [2022-11-20 10:39:02,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-20 10:39:02,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_locked_at_exit [2022-11-20 10:39:02,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 10:39:02,554 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2022-11-20 10:39:02,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2022-11-20 10:39:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_0 [2022-11-20 10:39:02,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_0 [2022-11-20 10:39:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_2 [2022-11-20 10:39:02,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_2 [2022-11-20 10:39:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_5 [2022-11-20 10:39:02,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_5 [2022-11-20 10:39:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_4 [2022-11-20 10:39:02,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_4 [2022-11-20 10:39:02,555 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mod_timer [2022-11-20 10:39:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mod_timer [2022-11-20 10:39:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-20 10:39:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-20 10:39:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 10:39:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure is_valid_ether_addr [2022-11-20 10:39:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure is_valid_ether_addr [2022-11-20 10:39:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-20 10:39:02,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-20 10:39:02,556 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-20 10:39:02,557 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-20 10:39:02,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 10:39:02,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE8 [2022-11-20 10:39:02,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE2 [2022-11-20 10:39:02,557 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 10:39:02,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 10:39:02,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE4 [2022-11-20 10:39:02,557 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-20 10:39:02,557 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-20 10:39:02,558 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-20 10:39:02,558 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-20 10:39:02,558 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2022-11-20 10:39:02,558 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2022-11-20 10:39:02,558 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2022-11-20 10:39:02,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2022-11-20 10:39:02,558 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_set_wol_event [2022-11-20 10:39:02,558 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_set_wol_event [2022-11-20 10:39:02,558 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-20 10:39:02,559 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-20 10:39:02,559 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_ctrl_miim [2022-11-20 10:39:02,559 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_ctrl_miim [2022-11-20 10:39:02,559 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2022-11-20 10:39:02,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2022-11-20 10:39:02,559 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_get_regs_len [2022-11-20 10:39:02,559 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_get_regs_len [2022-11-20 10:39:02,559 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-20 10:39:02,559 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-20 10:39:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~intINTTYPE1 [2022-11-20 10:39:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:39:02,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:39:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_alloc_rx_buffers [2022-11-20 10:39:02,560 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_alloc_rx_buffers [2022-11-20 10:39:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure __pch_gbe_suspend [2022-11-20 10:39:02,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __pch_gbe_suspend [2022-11-20 10:39:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure tcp_hdr [2022-11-20 10:39:02,560 INFO L138 BoogieDeclarations]: Found implementation of procedure tcp_hdr [2022-11-20 10:39:02,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 10:39:02,561 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_plat_get_bus_info [2022-11-20 10:39:02,561 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_plat_get_bus_info [2022-11-20 10:39:02,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2022-11-20 10:39:02,561 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2022-11-20 10:39:02,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 10:39:02,561 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_power_down [2022-11-20 10:39:02,561 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_power_down [2022-11-20 10:39:02,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 10:39:02,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-20 10:39:02,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 10:39:02,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-20 10:39:02,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 10:39:02,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 10:39:02,564 INFO L130 BoogieDeclarations]: Found specification of procedure csum_tcpudp_magic [2022-11-20 10:39:02,564 INFO L138 BoogieDeclarations]: Found implementation of procedure csum_tcpudp_magic [2022-11-20 10:39:02,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-20 10:39:02,564 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-20 10:39:02,564 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_update_stats [2022-11-20 10:39:02,564 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_update_stats [2022-11-20 10:39:02,564 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-20 10:39:02,564 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-20 10:39:02,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-11-20 10:39:02,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-11-20 10:39:02,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-20 10:39:02,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-20 10:39:02,565 INFO L130 BoogieDeclarations]: Found specification of procedure skb_checksum [2022-11-20 10:39:02,565 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_checksum [2022-11-20 10:39:02,565 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mdio_read [2022-11-20 10:39:02,566 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mdio_read [2022-11-20 10:39:02,570 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_clean_rx_ring [2022-11-20 10:39:02,570 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_clean_rx_ring [2022-11-20 10:39:02,570 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed_set [2022-11-20 10:39:02,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed_set [2022-11-20 10:39:02,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_tx_lock_of_pch_gbe_tx_ring [2022-11-20 10:39:02,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_tx_lock_of_pch_gbe_tx_ring [2022-11-20 10:39:02,571 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_up [2022-11-20 10:39:02,571 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_up [2022-11-20 10:39:02,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 10:39:02,571 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 10:39:02,573 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-20 10:39:02,573 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-20 10:39:02,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-20 10:39:02,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-20 10:39:02,573 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_gset [2022-11-20 10:39:02,573 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_gset [2022-11-20 10:39:02,573 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_clean_tx_ring [2022-11-20 10:39:02,574 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_clean_tx_ring [2022-11-20 10:39:02,574 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_reset [2022-11-20 10:39:02,574 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_reset [2022-11-20 10:39:02,574 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-20 10:39:02,574 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-20 10:39:02,574 INFO L130 BoogieDeclarations]: Found specification of procedure round_jiffies [2022-11-20 10:39:02,574 INFO L138 BoogieDeclarations]: Found implementation of procedure round_jiffies [2022-11-20 10:39:02,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_stop_14_2 [2022-11-20 10:39:02,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_stop_14_2 [2022-11-20 10:39:02,574 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_stop [2022-11-20 10:39:02,574 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_stop [2022-11-20 10:39:02,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 10:39:02,575 INFO L130 BoogieDeclarations]: Found specification of procedure ns_to_ktime [2022-11-20 10:39:02,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ns_to_ktime [2022-11-20 10:39:02,575 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-20 10:39:02,575 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-20 10:39:02,575 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2022-11-20 10:39:02,575 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2022-11-20 10:39:02,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 10:39:02,575 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_io_resume [2022-11-20 10:39:02,575 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_io_resume [2022-11-20 10:39:02,576 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~s32~0 [2022-11-20 10:39:02,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~s32~0 [2022-11-20 10:39:02,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 10:39:02,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 10:39:02,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 10:39:02,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 10:39:02,576 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_event_read [2022-11-20 10:39:02,576 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_event_read [2022-11-20 10:39:02,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 10:39:02,576 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-20 10:39:02,577 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-20 10:39:02,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-20 10:39:02,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-20 10:39:02,577 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_nway_reset [2022-11-20 10:39:02,577 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_nway_reset [2022-11-20 10:39:02,577 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-20 10:39:02,577 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-20 10:39:02,577 INFO L130 BoogieDeclarations]: Found specification of procedure dma_mapping_error [2022-11-20 10:39:02,577 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_mapping_error [2022-11-20 10:39:02,577 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_irq_enable [2022-11-20 10:39:02,578 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_irq_enable [2022-11-20 10:39:02,578 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-20 10:39:02,578 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-20 10:39:02,578 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_hw_reset [2022-11-20 10:39:02,578 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_hw_reset [2022-11-20 10:39:02,578 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_tx_timeout [2022-11-20 10:39:02,578 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_tx_timeout [2022-11-20 10:39:02,578 INFO L130 BoogieDeclarations]: Found specification of procedure mii_link_ok [2022-11-20 10:39:02,578 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_link_ok [2022-11-20 10:39:02,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-20 10:39:02,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-20 10:39:02,579 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-20 10:39:02,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-20 10:39:02,579 INFO L130 BoogieDeclarations]: Found specification of procedure mii_ethtool_sset [2022-11-20 10:39:02,579 INFO L138 BoogieDeclarations]: Found implementation of procedure mii_ethtool_sset [2022-11-20 10:39:02,579 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_power_down_phy [2022-11-20 10:39:02,579 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_power_down_phy [2022-11-20 10:39:02,579 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-20 10:39:02,579 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-20 10:39:02,579 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_mode [2022-11-20 10:39:02,579 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_mode [2022-11-20 10:39:02,580 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2022-11-20 10:39:02,580 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2022-11-20 10:39:02,580 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-20 10:39:02,580 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-20 10:39:02,580 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_rx_resources [2022-11-20 10:39:02,580 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_rx_resources [2022-11-20 10:39:02,580 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 10:39:02,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 10:39:02,580 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-20 10:39:02,580 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-20 10:39:02,581 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 10:39:02,581 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 10:39:02,581 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_validate_option [2022-11-20 10:39:02,581 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_validate_option [2022-11-20 10:39:02,581 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_reset_hw [2022-11-20 10:39:02,581 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_reset_hw [2022-11-20 10:39:02,581 INFO L130 BoogieDeclarations]: Found specification of procedure udp_hdr [2022-11-20 10:39:02,581 INFO L138 BoogieDeclarations]: Found implementation of procedure udp_hdr [2022-11-20 10:39:02,581 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_setup_rctl [2022-11-20 10:39:02,581 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_setup_rctl [2022-11-20 10:39:02,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2022-11-20 10:39:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_sw_reset [2022-11-20 10:39:02,582 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_sw_reset [2022-11-20 10:39:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE2 [2022-11-20 10:39:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-20 10:39:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8 [2022-11-20 10:39:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 10:39:02,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 10:39:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_hal_phy_hw_reset [2022-11-20 10:39:02,582 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_hal_phy_hw_reset [2022-11-20 10:39:02,582 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_write_reg_miic [2022-11-20 10:39:02,583 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_write_reg_miic [2022-11-20 10:39:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-20 10:39:02,583 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-20 10:39:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2022-11-20 10:39:02,583 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2022-11-20 10:39:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure pch_ch_control_write [2022-11-20 10:39:02,583 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_ch_control_write [2022-11-20 10:39:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_multi [2022-11-20 10:39:02,583 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_multi [2022-11-20 10:39:02,583 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_shutdown [2022-11-20 10:39:02,584 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_shutdown [2022-11-20 10:39:02,584 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-20 10:39:02,584 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-20 10:39:02,584 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-20 10:39:02,584 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-20 10:39:02,584 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_phy_read_reg_miic [2022-11-20 10:39:02,584 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_phy_read_reg_miic [2022-11-20 10:39:02,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_netdev_95 [2022-11-20 10:39:02,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_netdev_95 [2022-11-20 10:39:02,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-20 10:39:02,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-20 10:39:02,585 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_read_mac_addr [2022-11-20 10:39:02,585 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_read_mac_addr [2022-11-20 10:39:02,585 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_set_rgmii_ctrl [2022-11-20 10:39:02,585 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_set_rgmii_ctrl [2022-11-20 10:39:02,585 INFO L130 BoogieDeclarations]: Found specification of procedure ethtool_cmd_speed [2022-11-20 10:39:02,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ethtool_cmd_speed [2022-11-20 10:39:02,586 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_down [2022-11-20 10:39:02,586 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_down [2022-11-20 10:39:02,586 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_free_irq [2022-11-20 10:39:02,586 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_free_irq [2022-11-20 10:39:02,587 INFO L130 BoogieDeclarations]: Found specification of procedure pch_gbe_mac_mar_set [2022-11-20 10:39:02,590 INFO L138 BoogieDeclarations]: Found implementation of procedure pch_gbe_mac_mar_set [2022-11-20 10:39:02,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2022-11-20 10:39:02,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2022-11-20 10:39:04,001 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:39:04,005 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:39:05,354 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 10:41:30,805 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2022-11-20 10:41:33,808 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:41:33,842 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:41:33,843 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 10:41:33,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:41:33 BoogieIcfgContainer [2022-11-20 10:41:33,850 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:41:33,853 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:41:33,854 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:41:33,857 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:41:33,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:38:52" (1/3) ... [2022-11-20 10:41:33,859 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@115fa72f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:41:33, skipping insertion in model container [2022-11-20 10:41:33,860 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:39:01" (2/3) ... [2022-11-20 10:41:33,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@115fa72f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:41:33, skipping insertion in model container [2022-11-20 10:41:33,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:41:33" (3/3) ... [2022-11-20 10:41:33,864 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-kernel-locking-spinlock_drivers-net-ethernet-oki-semi-pch_gbe-pch_gbe.cil.i [2022-11-20 10:41:33,883 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:41:33,884 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-20 10:41:34,016 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:41:34,028 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;@73cace83, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:41:34,028 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-20 10:41:34,048 INFO L276 IsEmpty]: Start isEmpty. Operand has 3371 states, 2327 states have (on average 1.2672969488611947) internal successors, (2949), 2371 states have internal predecessors, (2949), 870 states have call successors, (870), 172 states have call predecessors, (870), 171 states have return successors, (860), 844 states have call predecessors, (860), 860 states have call successors, (860) [2022-11-20 10:41:34,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2022-11-20 10:41:34,098 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:41:34,099 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:34,099 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-20 10:41:34,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:41:34,106 INFO L85 PathProgramCache]: Analyzing trace with hash 388199420, now seen corresponding path program 1 times [2022-11-20 10:41:34,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:41:34,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [291071017] [2022-11-20 10:41:34,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:41:34,135 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 10:41:34,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:41:34,146 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/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 10:41:34,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/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 10:41:38,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:41:39,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 4946 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:41:39,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:41:39,446 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 1890 trivial. 0 not checked. [2022-11-20 10:41:39,447 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:41:39,447 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:41:39,448 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [291071017] [2022-11-20 10:41:39,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [291071017] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:41:39,448 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:41:39,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:41:39,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656882046] [2022-11-20 10:41:39,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:41:39,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:41:39,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:41:39,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:41:39,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:41:39,510 INFO L87 Difference]: Start difference. First operand has 3371 states, 2327 states have (on average 1.2672969488611947) internal successors, (2949), 2371 states have internal predecessors, (2949), 870 states have call successors, (870), 172 states have call predecessors, (870), 171 states have return successors, (860), 844 states have call predecessors, (860), 860 states have call successors, (860) Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-20 10:41:40,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:41:40,928 INFO L93 Difference]: Finished difference Result 9891 states and 14105 transitions. [2022-11-20 10:41:40,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:41:40,930 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 261 [2022-11-20 10:41:40,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:41:41,002 INFO L225 Difference]: With dead ends: 9891 [2022-11-20 10:41:41,002 INFO L226 Difference]: Without dead ends: 6549 [2022-11-20 10:41:41,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 259 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 10:41:41,038 INFO L413 NwaCegarLoop]: 5463 mSDtfsCounter, 4462 mSDsluCounter, 4589 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4462 SdHoareTripleChecker+Valid, 10052 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-20 10:41:41,039 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4462 Valid, 10052 Invalid, 44 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [9 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-20 10:41:41,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6549 states. [2022-11-20 10:41:41,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6549 to 6543. [2022-11-20 10:41:41,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6543 states, 4543 states have (on average 1.2617213295179397) internal successors, (5732), 4627 states have internal predecessors, (5732), 1658 states have call successors, (1658), 339 states have call predecessors, (1658), 338 states have return successors, (1654), 1622 states have call predecessors, (1654), 1654 states have call successors, (1654) [2022-11-20 10:41:41,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6543 states to 6543 states and 9044 transitions. [2022-11-20 10:41:41,583 INFO L78 Accepts]: Start accepts. Automaton has 6543 states and 9044 transitions. Word has length 261 [2022-11-20 10:41:41,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:41:41,588 INFO L495 AbstractCegarLoop]: Abstraction has 6543 states and 9044 transitions. [2022-11-20 10:41:41,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 3 states have call successors, (26), 3 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-20 10:41:41,588 INFO L276 IsEmpty]: Start isEmpty. Operand 6543 states and 9044 transitions. [2022-11-20 10:41:41,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2022-11-20 10:41:41,598 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:41:41,600 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:41,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/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 10:41:41,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/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 10:41:41,801 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-20 10:41:41,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:41:41,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1717702971, now seen corresponding path program 1 times [2022-11-20 10:41:41,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:41:41,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1304176555] [2022-11-20 10:41:41,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:41:41,811 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 10:41:41,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:41:41,813 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/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 10:41:41,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/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 10:41:46,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:41:46,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 5064 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:41:46,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:41:46,977 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 1890 trivial. 0 not checked. [2022-11-20 10:41:46,977 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:41:46,977 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:41:46,977 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1304176555] [2022-11-20 10:41:46,978 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1304176555] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:41:46,978 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:41:46,978 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:41:46,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568584939] [2022-11-20 10:41:46,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:41:46,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:41:46,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:41:46,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:41:46,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:41:46,985 INFO L87 Difference]: Start difference. First operand 6543 states and 9044 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, (27), 3 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-20 10:41:48,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:41:48,193 INFO L93 Difference]: Finished difference Result 16201 states and 22382 transitions. [2022-11-20 10:41:48,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:41:48,193 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 267 [2022-11-20 10:41:48,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:41:48,390 INFO L225 Difference]: With dead ends: 16201 [2022-11-20 10:41:48,391 INFO L226 Difference]: Without dead ends: 9705 [2022-11-20 10:41:48,421 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 265 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 10:41:48,422 INFO L413 NwaCegarLoop]: 5526 mSDtfsCounter, 4431 mSDsluCounter, 4583 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4431 SdHoareTripleChecker+Valid, 10109 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-20 10:41:48,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4431 Valid, 10109 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-20 10:41:48,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9705 states. [2022-11-20 10:41:48,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9705 to 9671. [2022-11-20 10:41:48,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9671 states, 6710 states have (on average 1.2602086438152011) internal successors, (8456), 6838 states have internal predecessors, (8456), 2449 states have call successors, (2449), 509 states have call predecessors, (2449), 508 states have return successors, (2445), 2392 states have call predecessors, (2445), 2445 states have call successors, (2445) [2022-11-20 10:41:49,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9671 states to 9671 states and 13350 transitions. [2022-11-20 10:41:49,029 INFO L78 Accepts]: Start accepts. Automaton has 9671 states and 13350 transitions. Word has length 267 [2022-11-20 10:41:49,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:41:49,030 INFO L495 AbstractCegarLoop]: Abstraction has 9671 states and 13350 transitions. [2022-11-20 10:41:49,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (27), 3 states have call predecessors, (27), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-20 10:41:49,032 INFO L276 IsEmpty]: Start isEmpty. Operand 9671 states and 13350 transitions. [2022-11-20 10:41:49,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2022-11-20 10:41:49,039 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:41:49,040 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:49,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/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 10:41:49,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/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 10:41:49,253 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-20 10:41:49,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:41:49,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1771784959, now seen corresponding path program 1 times [2022-11-20 10:41:49,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:41:49,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [277842227] [2022-11-20 10:41:49,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:41:49,260 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 10:41:49,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:41:49,262 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/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 10:41:49,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/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 10:41:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:41:54,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 5087 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:41:54,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:41:54,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 1890 trivial. 0 not checked. [2022-11-20 10:41:54,471 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:41:54,471 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:41:54,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [277842227] [2022-11-20 10:41:54,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [277842227] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:41:54,472 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:41:54,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:41:54,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698247196] [2022-11-20 10:41:54,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:41:54,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:41:54,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:41:54,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:41:54,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:41:54,474 INFO L87 Difference]: Start difference. First operand 9671 states and 13350 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, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-20 10:41:55,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:41:55,584 INFO L93 Difference]: Finished difference Result 19079 states and 26312 transitions. [2022-11-20 10:41:55,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:41:55,584 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 269 [2022-11-20 10:41:55,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:41:55,667 INFO L225 Difference]: With dead ends: 19079 [2022-11-20 10:41:55,667 INFO L226 Difference]: Without dead ends: 9455 [2022-11-20 10:41:55,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 267 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 10:41:55,710 INFO L413 NwaCegarLoop]: 4530 mSDtfsCounter, 4428 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4428 SdHoareTripleChecker+Valid, 4618 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 10:41:55,711 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4428 Valid, 4618 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 10:41:55,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9455 states. [2022-11-20 10:41:56,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9455 to 9455. [2022-11-20 10:41:56,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9455 states, 6573 states have (on average 1.2593944926213296) internal successors, (8278), 6692 states have internal predecessors, (8278), 2375 states have call successors, (2375), 504 states have call predecessors, (2375), 503 states have return successors, (2371), 2321 states have call predecessors, (2371), 2371 states have call successors, (2371) [2022-11-20 10:41:56,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9455 states to 9455 states and 13024 transitions. [2022-11-20 10:41:56,490 INFO L78 Accepts]: Start accepts. Automaton has 9455 states and 13024 transitions. Word has length 269 [2022-11-20 10:41:56,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:41:56,492 INFO L495 AbstractCegarLoop]: Abstraction has 9455 states and 13024 transitions. [2022-11-20 10:41:56,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-20 10:41:56,492 INFO L276 IsEmpty]: Start isEmpty. Operand 9455 states and 13024 transitions. [2022-11-20 10:41:56,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2022-11-20 10:41:56,499 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:41:56,499 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:56,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/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 10:41:56,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/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 10:41:56,726 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-20 10:41:56,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:41:56,726 INFO L85 PathProgramCache]: Analyzing trace with hash -95401187, now seen corresponding path program 1 times [2022-11-20 10:41:56,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:41:56,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2138056116] [2022-11-20 10:41:56,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:41:56,733 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 10:41:56,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:41:56,742 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/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 10:41:56,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/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 10:42:01,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:42:01,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 5100 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:42:01,511 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:42:01,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 1890 trivial. 0 not checked. [2022-11-20 10:42:01,740 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:42:01,741 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:42:01,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2138056116] [2022-11-20 10:42:01,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2138056116] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:42:01,741 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:42:01,741 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:42:01,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503186744] [2022-11-20 10:42:01,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:42:01,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:42:01,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:42:01,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:42:01,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:42:01,743 INFO L87 Difference]: Start difference. First operand 9455 states and 13024 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-20 10:42:04,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:42:04,288 INFO L93 Difference]: Finished difference Result 27707 states and 38184 transitions. [2022-11-20 10:42:04,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:42:04,289 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 273 [2022-11-20 10:42:04,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:42:04,385 INFO L225 Difference]: With dead ends: 27707 [2022-11-20 10:42:04,385 INFO L226 Difference]: Without dead ends: 18320 [2022-11-20 10:42:04,427 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 271 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 10:42:04,429 INFO L413 NwaCegarLoop]: 5530 mSDtfsCounter, 4164 mSDsluCounter, 4416 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4164 SdHoareTripleChecker+Valid, 9946 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-20 10:42:04,430 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4164 Valid, 9946 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-20 10:42:04,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18320 states. [2022-11-20 10:42:06,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18320 to 18282. [2022-11-20 10:42:06,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18282 states, 12689 states have (on average 1.2558121207344946) internal successors, (15935), 12930 states have internal predecessors, (15935), 4591 states have call successors, (4591), 999 states have call predecessors, (4591), 998 states have return successors, (4587), 4478 states have call predecessors, (4587), 4587 states have call successors, (4587) [2022-11-20 10:42:06,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18282 states to 18282 states and 25113 transitions. [2022-11-20 10:42:06,266 INFO L78 Accepts]: Start accepts. Automaton has 18282 states and 25113 transitions. Word has length 273 [2022-11-20 10:42:06,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:42:06,266 INFO L495 AbstractCegarLoop]: Abstraction has 18282 states and 25113 transitions. [2022-11-20 10:42:06,267 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (28), 3 states have call predecessors, (28), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-20 10:42:06,267 INFO L276 IsEmpty]: Start isEmpty. Operand 18282 states and 25113 transitions. [2022-11-20 10:42:06,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2022-11-20 10:42:06,272 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:42:06,273 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:42:06,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/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 10:42:06,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/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 10:42:06,473 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-20 10:42:06,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:42:06,474 INFO L85 PathProgramCache]: Analyzing trace with hash 176393244, now seen corresponding path program 1 times [2022-11-20 10:42:06,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:42:06,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [288054205] [2022-11-20 10:42:06,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:42:06,481 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 10:42:06,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:42:06,484 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/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 10:42:06,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/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 10:42:11,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:42:11,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 5116 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:42:11,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:42:11,619 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 1890 trivial. 0 not checked. [2022-11-20 10:42:11,619 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:42:11,619 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:42:11,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [288054205] [2022-11-20 10:42:11,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [288054205] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:42:11,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:42:11,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:42:11,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335130805] [2022-11-20 10:42:11,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:42:11,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:42:11,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:42:11,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:42:11,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:42:11,623 INFO L87 Difference]: Start difference. First operand 18282 states and 25113 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-20 10:42:14,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:42:14,840 INFO L93 Difference]: Finished difference Result 50466 states and 69407 transitions. [2022-11-20 10:42:14,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:42:14,841 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 273 [2022-11-20 10:42:14,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:42:15,024 INFO L225 Difference]: With dead ends: 50466 [2022-11-20 10:42:15,024 INFO L226 Difference]: Without dead ends: 32252 [2022-11-20 10:42:15,092 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 271 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 10:42:15,093 INFO L413 NwaCegarLoop]: 5210 mSDtfsCounter, 3492 mSDsluCounter, 4403 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3492 SdHoareTripleChecker+Valid, 9613 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:42:15,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3492 Valid, 9613 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-20 10:42:15,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32252 states. [2022-11-20 10:42:17,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32252 to 32210. [2022-11-20 10:42:17,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32210 states, 22272 states have (on average 1.2504489942528736) internal successors, (27850), 22697 states have internal predecessors, (27850), 8111 states have call successors, (8111), 1842 states have call predecessors, (8111), 1823 states have return successors, (8338), 7868 states have call predecessors, (8338), 8107 states have call successors, (8338) [2022-11-20 10:42:17,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32210 states to 32210 states and 44299 transitions. [2022-11-20 10:42:17,983 INFO L78 Accepts]: Start accepts. Automaton has 32210 states and 44299 transitions. Word has length 273 [2022-11-20 10:42:17,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:42:17,984 INFO L495 AbstractCegarLoop]: Abstraction has 32210 states and 44299 transitions. [2022-11-20 10:42:17,984 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-20 10:42:17,984 INFO L276 IsEmpty]: Start isEmpty. Operand 32210 states and 44299 transitions. [2022-11-20 10:42:17,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2022-11-20 10:42:17,995 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:42:17,996 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 21, 21, 21, 21, 21, 21, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 10:42:18,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-20 10:42:18,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/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 10:42:18,210 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_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-20 10:42:18,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:42:18,210 INFO L85 PathProgramCache]: Analyzing trace with hash 860294280, now seen corresponding path program 1 times [2022-11-20 10:42:18,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:42:18,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1694843057] [2022-11-20 10:42:18,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:42:18,217 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 10:42:18,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:42:18,219 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/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 10:42:18,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/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 10:42:22,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:42:23,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 5133 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:42:23,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:42:23,430 INFO L134 CoverageAnalysis]: Checked inductivity of 2026 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1890 trivial. 0 not checked. [2022-11-20 10:42:23,430 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:42:23,431 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:42:23,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1694843057] [2022-11-20 10:42:23,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1694843057] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:42:23,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:42:23,432 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:42:23,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873957515] [2022-11-20 10:42:23,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:42:23,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:42:23,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:42:23,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:42:23,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:42:23,434 INFO L87 Difference]: Start difference. First operand 32210 states and 44299 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-20 10:42:27,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:42:27,040 INFO L93 Difference]: Finished difference Result 80149 states and 110134 transitions. [2022-11-20 10:42:27,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:42:27,041 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 298 [2022-11-20 10:42:27,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:42:27,519 INFO L225 Difference]: With dead ends: 80149 [2022-11-20 10:42:27,519 INFO L226 Difference]: Without dead ends: 48007 [2022-11-20 10:42:27,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 296 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 10:42:27,664 INFO L413 NwaCegarLoop]: 5530 mSDtfsCounter, 4325 mSDsluCounter, 4465 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4325 SdHoareTripleChecker+Valid, 9995 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-20 10:42:27,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4325 Valid, 9995 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-20 10:42:27,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48007 states. [2022-11-20 10:42:31,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48007 to 47959. [2022-11-20 10:42:31,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47959 states, 33176 states have (on average 1.2475283337352303) internal successors, (41388), 33834 states have internal predecessors, (41388), 12028 states have call successors, (12028), 2779 states have call predecessors, (12028), 2751 states have return successors, (12349), 11642 states have call predecessors, (12349), 12024 states have call successors, (12349) [2022-11-20 10:42:32,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47959 states to 47959 states and 65765 transitions. [2022-11-20 10:42:32,288 INFO L78 Accepts]: Start accepts. Automaton has 47959 states and 65765 transitions. Word has length 298 [2022-11-20 10:42:32,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:42:32,289 INFO L495 AbstractCegarLoop]: Abstraction has 47959 states and 65765 transitions. [2022-11-20 10:42:32,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 3 states have call successors, (30), 3 states have call predecessors, (30), 3 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2022-11-20 10:42:32,289 INFO L276 IsEmpty]: Start isEmpty. Operand 47959 states and 65765 transitions. [2022-11-20 10:42:32,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2022-11-20 10:42:32,298 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:42:32,298 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 21, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:42:32,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/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)] Forceful destruction successful, exit code 0 [2022-11-20 10:42:32,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/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 10:42:32,514 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_tryErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2022-11-20 10:42:32,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:42:32,515 INFO L85 PathProgramCache]: Analyzing trace with hash 75890871, now seen corresponding path program 1 times [2022-11-20 10:42:32,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:42:32,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [930930868] [2022-11-20 10:42:32,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:42:32,523 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 10:42:32,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:42:32,525 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/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 10:42:32,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_019ccec3-b676-41d3-9310-897ff4889252/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 (8)] Waiting until timeout for monitored process [2022-11-20 10:42:37,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:42:37,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 5306 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 10:42:37,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:42:38,161 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 1890 trivial. 0 not checked. [2022-11-20 10:42:38,162 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:42:38,162 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:42:38,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [930930868] [2022-11-20 10:42:38,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [930930868] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:42:38,162 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:42:38,162 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 10:42:38,162 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869557568] [2022-11-20 10:42:38,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:42:38,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 10:42:38,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:42:38,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 10:42:38,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 10:42:38,165 INFO L87 Difference]: Start difference. First operand 47959 states and 65765 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-20 10:42:43,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:42:43,080 INFO L93 Difference]: Finished difference Result 122160 states and 167146 transitions. [2022-11-20 10:42:43,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 10:42:43,080 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 3 states have call successors, (35), 3 states have call predecessors, (35), 3 states have return successors, (27), 3 states have call predecessors, (27), 3 states have call successors, (27) Word has length 306 [2022-11-20 10:42:43,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:42:43,610 INFO L225 Difference]: With dead ends: 122160 [2022-11-20 10:42:43,610 INFO L226 Difference]: Without dead ends: 74269 [2022-11-20 10:42:43,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 304 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 10:42:43,802 INFO L413 NwaCegarLoop]: 7216 mSDtfsCounter, 3633 mSDsluCounter, 4436 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3633 SdHoareTripleChecker+Valid, 11652 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:42:43,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3633 Valid, 11652 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-20 10:42:43,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74269 states.