./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.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_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9 --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 44a365b0a9ab0c087a7fd95686a95a7a3d5f7a279cab683ec4e216584d2b370f --- 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 19:45:37,005 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 19:45:37,007 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 19:45:37,050 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 19:45:37,051 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 19:45:37,055 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 19:45:37,057 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 19:45:37,059 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 19:45:37,060 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 19:45:37,061 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 19:45:37,062 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 19:45:37,063 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 19:45:37,063 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 19:45:37,064 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 19:45:37,066 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 19:45:37,067 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 19:45:37,068 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 19:45:37,069 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 19:45:37,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 19:45:37,073 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 19:45:37,077 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 19:45:37,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 19:45:37,091 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 19:45:37,092 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 19:45:37,096 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 19:45:37,097 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 19:45:37,097 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 19:45:37,098 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 19:45:37,099 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 19:45:37,100 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 19:45:37,100 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 19:45:37,101 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 19:45:37,102 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 19:45:37,103 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 19:45:37,105 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 19:45:37,106 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 19:45:37,107 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 19:45:37,108 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 19:45:37,108 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 19:45:37,110 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 19:45:37,125 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 19:45:37,126 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-20 19:45:37,155 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 19:45:37,155 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 19:45:37,156 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 19:45:37,156 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 19:45:37,157 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 19:45:37,157 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 19:45:37,158 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 19:45:37,158 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 19:45:37,158 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 19:45:37,158 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-20 19:45:37,159 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 19:45:37,160 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 19:45:37,160 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-20 19:45:37,160 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-20 19:45:37,160 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 19:45:37,161 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-20 19:45:37,161 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-20 19:45:37,161 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-20 19:45:37,162 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 19:45:37,162 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 19:45:37,162 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 19:45:37,162 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 19:45:37,163 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 19:45:37,163 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 19:45:37,163 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 19:45:37,163 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 19:45:37,164 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 19:45:37,164 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 19:45:37,164 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 19:45:37,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:45:37,165 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 19:45:37,165 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-20 19:45:37,166 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 19:45:37,166 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 19:45:37,166 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-20 19:45:37,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 19:45:37,166 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 19:45:37,167 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 19:45:37,167 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44a365b0a9ab0c087a7fd95686a95a7a3d5f7a279cab683ec4e216584d2b370f [2022-11-20 19:45:37,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 19:45:37,538 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 19:45:37,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 19:45:37,542 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 19:45:37,543 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 19:45:37,544 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i [2022-11-20 19:45:40,603 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 19:45:41,629 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 19:45:41,629 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i [2022-11-20 19:45:41,716 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/data/8959a1c9e/5d8a811f363f46309154c301ede4326b/FLAG3bd43db6b [2022-11-20 19:45:41,739 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/data/8959a1c9e/5d8a811f363f46309154c301ede4326b [2022-11-20 19:45:41,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 19:45:41,745 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 19:45:41,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 19:45:41,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 19:45:41,753 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 19:45:41,755 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:45:41" (1/1) ... [2022-11-20 19:45:41,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b6725fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:41, skipping insertion in model container [2022-11-20 19:45:41,756 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:45:41" (1/1) ... [2022-11-20 19:45:41,764 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 19:45:42,037 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 19:45:43,473 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 19:45:43,478 INFO L158 Benchmark]: Toolchain (without parser) took 1732.02ms. Allocated memory is still 159.4MB. Free memory was 98.6MB in the beginning and 79.4MB in the end (delta: 19.2MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. [2022-11-20 19:45:43,479 INFO L158 Benchmark]: CDTParser took 13.27ms. Allocated memory is still 123.7MB. Free memory was 98.2MB in the beginning and 98.1MB in the end (delta: 82.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 19:45:43,480 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1727.40ms. Allocated memory is still 159.4MB. Free memory was 98.6MB in the beginning and 79.4MB in the end (delta: 19.2MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. [2022-11-20 19:45:43,482 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 13.27ms. Allocated memory is still 123.7MB. Free memory was 98.2MB in the beginning and 98.1MB in the end (delta: 82.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1727.40ms. Allocated memory is still 159.4MB. Free memory was 98.6MB in the beginning and 79.4MB in the end (delta: 19.2MB). Peak memory consumption was 46.9MB. 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9 --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 44a365b0a9ab0c087a7fd95686a95a7a3d5f7a279cab683ec4e216584d2b370f --- 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 19:45:45,799 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 19:45:45,802 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 19:45:45,844 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 19:45:45,845 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 19:45:45,848 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 19:45:45,851 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 19:45:45,854 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 19:45:45,856 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 19:45:45,862 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 19:45:45,863 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 19:45:45,865 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 19:45:45,865 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 19:45:45,866 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 19:45:45,867 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 19:45:45,873 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 19:45:45,874 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 19:45:45,875 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 19:45:45,877 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 19:45:45,878 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 19:45:45,880 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 19:45:45,881 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 19:45:45,882 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 19:45:45,883 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 19:45:45,886 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 19:45:45,887 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 19:45:45,887 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 19:45:45,888 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 19:45:45,888 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 19:45:45,889 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 19:45:45,889 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 19:45:45,890 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 19:45:45,891 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 19:45:45,892 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 19:45:45,893 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 19:45:45,910 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 19:45:45,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 19:45:45,911 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 19:45:45,911 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 19:45:45,912 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 19:45:45,913 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 19:45:45,914 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-20 19:45:45,939 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 19:45:45,941 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 19:45:45,942 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 19:45:45,942 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 19:45:45,943 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 19:45:45,944 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 19:45:45,944 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-20 19:45:45,944 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-20 19:45:45,944 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-20 19:45:45,944 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-20 19:45:45,945 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-20 19:45:45,946 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-20 19:45:45,947 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 19:45:45,947 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 19:45:45,947 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 19:45:45,947 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 19:45:45,948 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 19:45:45,948 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 19:45:45,948 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 19:45:45,948 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 19:45:45,948 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 19:45:45,949 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 19:45:45,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 19:45:45,949 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 19:45:45,949 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 19:45:45,950 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 19:45:45,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:45:45,950 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 19:45:45,950 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 19:45:45,950 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 19:45:45,951 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-20 19:45:45,951 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 19:45:45,951 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 19:45:45,952 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-20 19:45:45,952 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 19:45:45,952 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44a365b0a9ab0c087a7fd95686a95a7a3d5f7a279cab683ec4e216584d2b370f [2022-11-20 19:45:46,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 19:45:46,447 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 19:45:46,451 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 19:45:46,452 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 19:45:46,453 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 19:45:46,455 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i [2022-11-20 19:45:49,506 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 19:45:50,510 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 19:45:50,511 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i [2022-11-20 19:45:50,593 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/data/74d08f219/9e3bedd018544d539a81edce68a969f0/FLAG36e3c45af [2022-11-20 19:45:50,617 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/data/74d08f219/9e3bedd018544d539a81edce68a969f0 [2022-11-20 19:45:50,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 19:45:50,623 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 19:45:50,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 19:45:50,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 19:45:50,630 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 19:45:50,631 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:45:50" (1/1) ... [2022-11-20 19:45:50,632 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c808586 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:50, skipping insertion in model container [2022-11-20 19:45:50,632 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:45:50" (1/1) ... [2022-11-20 19:45:50,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 19:45:50,924 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 19:46:00,463 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[773190,773203] [2022-11-20 19:46:00,467 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[773335,773348] [2022-11-20 19:46:00,467 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[773481,773494] [2022-11-20 19:46:00,468 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[773646,773659] [2022-11-20 19:46:00,468 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[773804,773817] [2022-11-20 19:46:00,469 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[773962,773975] [2022-11-20 19:46:00,469 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[774120,774133] [2022-11-20 19:46:00,472 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[774280,774293] [2022-11-20 19:46:00,472 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[774439,774452] [2022-11-20 19:46:00,473 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[774578,774591] [2022-11-20 19:46:00,473 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[774720,774733] [2022-11-20 19:46:00,473 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[774869,774882] [2022-11-20 19:46:00,474 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[775008,775021] [2022-11-20 19:46:00,474 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[775163,775176] [2022-11-20 19:46:00,475 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[775323,775336] [2022-11-20 19:46:00,475 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[775474,775487] [2022-11-20 19:46:00,476 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[775625,775638] [2022-11-20 19:46:00,476 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[775777,775790] [2022-11-20 19:46:00,477 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[775926,775939] [2022-11-20 19:46:00,477 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[776074,776087] [2022-11-20 19:46:00,490 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[776231,776244] [2022-11-20 19:46:00,491 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[776380,776393] [2022-11-20 19:46:00,491 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[776536,776549] [2022-11-20 19:46:00,492 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[776689,776702] [2022-11-20 19:46:00,492 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[776835,776848] [2022-11-20 19:46:00,493 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[776978,776991] [2022-11-20 19:46:00,493 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[777130,777143] [2022-11-20 19:46:00,494 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[777276,777289] [2022-11-20 19:46:00,494 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[777421,777434] [2022-11-20 19:46:00,494 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[777575,777588] [2022-11-20 19:46:00,495 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[777726,777739] [2022-11-20 19:46:00,496 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[777881,777894] [2022-11-20 19:46:00,496 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[778033,778046] [2022-11-20 19:46:00,497 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[778188,778201] [2022-11-20 19:46:00,497 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[778352,778365] [2022-11-20 19:46:00,497 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[778508,778521] [2022-11-20 19:46:00,498 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[778672,778685] [2022-11-20 19:46:00,498 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[778814,778827] [2022-11-20 19:46:00,499 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[778972,778985] [2022-11-20 19:46:00,499 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[779139,779152] [2022-11-20 19:46:00,500 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[779298,779311] [2022-11-20 19:46:00,500 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[779457,779470] [2022-11-20 19:46:00,501 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[779606,779619] [2022-11-20 19:46:00,501 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[779753,779766] [2022-11-20 19:46:00,501 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[779892,779905] [2022-11-20 19:46:00,502 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[780055,780068] [2022-11-20 19:46:00,502 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[780221,780234] [2022-11-20 19:46:00,503 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[780385,780398] [2022-11-20 19:46:00,503 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[780550,780563] [2022-11-20 19:46:00,504 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[780715,780728] [2022-11-20 19:46:00,504 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[780881,780894] [2022-11-20 19:46:00,505 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[781046,781059] [2022-11-20 19:46:00,505 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[781213,781226] [2022-11-20 19:46:00,505 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[781373,781386] [2022-11-20 19:46:00,506 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[781535,781548] [2022-11-20 19:46:00,506 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[781694,781707] [2022-11-20 19:46:00,507 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[781840,781853] [2022-11-20 19:46:00,507 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[781983,781996] [2022-11-20 19:46:00,508 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[782127,782140] [2022-11-20 19:46:00,508 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[782270,782283] [2022-11-20 19:46:00,509 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[782414,782427] [2022-11-20 19:46:00,509 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[782555,782568] [2022-11-20 19:46:00,510 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[782693,782706] [2022-11-20 19:46:00,510 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[782851,782864] [2022-11-20 19:46:00,510 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[783010,783023] [2022-11-20 19:46:00,511 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[783166,783179] [2022-11-20 19:46:00,511 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[783315,783328] [2022-11-20 19:46:00,512 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[783467,783480] [2022-11-20 19:46:00,512 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[783618,783631] [2022-11-20 19:46:00,513 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[783767,783780] [2022-11-20 19:46:00,513 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[783919,783932] [2022-11-20 19:46:00,513 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[784067,784080] [2022-11-20 19:46:00,514 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[784220,784233] [2022-11-20 19:46:00,514 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[784371,784384] [2022-11-20 19:46:00,515 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[784521,784534] [2022-11-20 19:46:00,515 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[784668,784681] [2022-11-20 19:46:00,516 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[784819,784832] [2022-11-20 19:46:00,516 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[784970,784983] [2022-11-20 19:46:00,517 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[785118,785131] [2022-11-20 19:46:00,517 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[785284,785297] [2022-11-20 19:46:00,517 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[785453,785466] [2022-11-20 19:46:00,518 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[785620,785633] [2022-11-20 19:46:00,518 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[785788,785801] [2022-11-20 19:46:00,519 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[785938,785951] [2022-11-20 19:46:00,519 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[786085,786098] [2022-11-20 19:46:00,520 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[786246,786259] [2022-11-20 19:46:00,520 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[786416,786429] [2022-11-20 19:46:00,520 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[786578,786591] [2022-11-20 19:46:00,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:46:00,573 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 19:46:00,824 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 19:46:01,708 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[773190,773203] [2022-11-20 19:46:01,718 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[773335,773348] [2022-11-20 19:46:01,719 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[773481,773494] [2022-11-20 19:46:01,720 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[773646,773659] [2022-11-20 19:46:01,720 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[773804,773817] [2022-11-20 19:46:01,730 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[773962,773975] [2022-11-20 19:46:01,731 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[774120,774133] [2022-11-20 19:46:01,736 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[774280,774293] [2022-11-20 19:46:01,737 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[774439,774452] [2022-11-20 19:46:01,738 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[774578,774591] [2022-11-20 19:46:01,740 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[774720,774733] [2022-11-20 19:46:01,740 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[774869,774882] [2022-11-20 19:46:01,741 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[775008,775021] [2022-11-20 19:46:01,741 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[775163,775176] [2022-11-20 19:46:01,745 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[775323,775336] [2022-11-20 19:46:01,746 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[775474,775487] [2022-11-20 19:46:01,747 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[775625,775638] [2022-11-20 19:46:01,749 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[775777,775790] [2022-11-20 19:46:01,750 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[775926,775939] [2022-11-20 19:46:01,750 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[776074,776087] [2022-11-20 19:46:01,750 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[776231,776244] [2022-11-20 19:46:01,751 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[776380,776393] [2022-11-20 19:46:01,751 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[776536,776549] [2022-11-20 19:46:01,766 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[776689,776702] [2022-11-20 19:46:01,767 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[776835,776848] [2022-11-20 19:46:01,768 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[776978,776991] [2022-11-20 19:46:01,769 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[777130,777143] [2022-11-20 19:46:01,769 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[777276,777289] [2022-11-20 19:46:01,770 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[777421,777434] [2022-11-20 19:46:01,770 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[777575,777588] [2022-11-20 19:46:01,771 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[777726,777739] [2022-11-20 19:46:01,772 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[777881,777894] [2022-11-20 19:46:01,772 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[778033,778046] [2022-11-20 19:46:01,773 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[778188,778201] [2022-11-20 19:46:01,773 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[778352,778365] [2022-11-20 19:46:01,774 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[778508,778521] [2022-11-20 19:46:01,775 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[778672,778685] [2022-11-20 19:46:01,775 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[778814,778827] [2022-11-20 19:46:01,776 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[778972,778985] [2022-11-20 19:46:01,776 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[779139,779152] [2022-11-20 19:46:01,777 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[779298,779311] [2022-11-20 19:46:01,778 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[779457,779470] [2022-11-20 19:46:01,779 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[779606,779619] [2022-11-20 19:46:01,779 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[779753,779766] [2022-11-20 19:46:01,780 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[779892,779905] [2022-11-20 19:46:01,780 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[780055,780068] [2022-11-20 19:46:01,782 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[780221,780234] [2022-11-20 19:46:01,786 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[780385,780398] [2022-11-20 19:46:01,787 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[780550,780563] [2022-11-20 19:46:01,788 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[780715,780728] [2022-11-20 19:46:01,788 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[780881,780894] [2022-11-20 19:46:01,789 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[781046,781059] [2022-11-20 19:46:01,789 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[781213,781226] [2022-11-20 19:46:01,789 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[781373,781386] [2022-11-20 19:46:01,790 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[781535,781548] [2022-11-20 19:46:01,790 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[781694,781707] [2022-11-20 19:46:01,791 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[781840,781853] [2022-11-20 19:46:01,792 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[781983,781996] [2022-11-20 19:46:01,796 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[782127,782140] [2022-11-20 19:46:01,797 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[782270,782283] [2022-11-20 19:46:01,798 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[782414,782427] [2022-11-20 19:46:01,798 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[782555,782568] [2022-11-20 19:46:01,799 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[782693,782706] [2022-11-20 19:46:01,799 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[782851,782864] [2022-11-20 19:46:01,800 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[783010,783023] [2022-11-20 19:46:01,801 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[783166,783179] [2022-11-20 19:46:01,801 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[783315,783328] [2022-11-20 19:46:01,807 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[783467,783480] [2022-11-20 19:46:01,807 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[783618,783631] [2022-11-20 19:46:01,807 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[783767,783780] [2022-11-20 19:46:01,808 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[783919,783932] [2022-11-20 19:46:01,808 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[784067,784080] [2022-11-20 19:46:01,809 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[784220,784233] [2022-11-20 19:46:01,810 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[784371,784384] [2022-11-20 19:46:01,810 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[784521,784534] [2022-11-20 19:46:01,811 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[784668,784681] [2022-11-20 19:46:01,811 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[784819,784832] [2022-11-20 19:46:01,811 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[784970,784983] [2022-11-20 19:46:01,813 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[785118,785131] [2022-11-20 19:46:01,814 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[785284,785297] [2022-11-20 19:46:01,815 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[785453,785466] [2022-11-20 19:46:01,816 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[785620,785633] [2022-11-20 19:46:01,817 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[785788,785801] [2022-11-20 19:46:01,817 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[785938,785951] [2022-11-20 19:46:01,817 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[786085,786098] [2022-11-20 19:46:01,818 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[786246,786259] [2022-11-20 19:46:01,818 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[786416,786429] [2022-11-20 19:46:01,819 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[786578,786591] [2022-11-20 19:46:01,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:46:01,855 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 19:46:02,784 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[773190,773203] [2022-11-20 19:46:02,784 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[773335,773348] [2022-11-20 19:46:02,785 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[773481,773494] [2022-11-20 19:46:02,785 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[773646,773659] [2022-11-20 19:46:02,785 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[773804,773817] [2022-11-20 19:46:02,786 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[773962,773975] [2022-11-20 19:46:02,786 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[774120,774133] [2022-11-20 19:46:02,787 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[774280,774293] [2022-11-20 19:46:02,787 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[774439,774452] [2022-11-20 19:46:02,788 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[774578,774591] [2022-11-20 19:46:02,788 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[774720,774733] [2022-11-20 19:46:02,789 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[774869,774882] [2022-11-20 19:46:02,791 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[775008,775021] [2022-11-20 19:46:02,792 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[775163,775176] [2022-11-20 19:46:02,792 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[775323,775336] [2022-11-20 19:46:02,793 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[775474,775487] [2022-11-20 19:46:02,793 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[775625,775638] [2022-11-20 19:46:02,794 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[775777,775790] [2022-11-20 19:46:02,796 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[775926,775939] [2022-11-20 19:46:02,796 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[776074,776087] [2022-11-20 19:46:02,797 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[776231,776244] [2022-11-20 19:46:02,798 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[776380,776393] [2022-11-20 19:46:02,798 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[776536,776549] [2022-11-20 19:46:02,799 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[776689,776702] [2022-11-20 19:46:02,799 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[776835,776848] [2022-11-20 19:46:02,800 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[776978,776991] [2022-11-20 19:46:02,800 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[777130,777143] [2022-11-20 19:46:02,800 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[777276,777289] [2022-11-20 19:46:02,801 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[777421,777434] [2022-11-20 19:46:02,801 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[777575,777588] [2022-11-20 19:46:02,801 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[777726,777739] [2022-11-20 19:46:02,802 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[777881,777894] [2022-11-20 19:46:02,802 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[778033,778046] [2022-11-20 19:46:02,802 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[778188,778201] [2022-11-20 19:46:02,803 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[778352,778365] [2022-11-20 19:46:02,804 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[778508,778521] [2022-11-20 19:46:02,804 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[778672,778685] [2022-11-20 19:46:02,805 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[778814,778827] [2022-11-20 19:46:02,805 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[778972,778985] [2022-11-20 19:46:02,806 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[779139,779152] [2022-11-20 19:46:02,806 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[779298,779311] [2022-11-20 19:46:02,808 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[779457,779470] [2022-11-20 19:46:02,809 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[779606,779619] [2022-11-20 19:46:02,809 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[779753,779766] [2022-11-20 19:46:02,809 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[779892,779905] [2022-11-20 19:46:02,810 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[780055,780068] [2022-11-20 19:46:02,810 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[780221,780234] [2022-11-20 19:46:02,811 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[780385,780398] [2022-11-20 19:46:02,812 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[780550,780563] [2022-11-20 19:46:02,812 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[780715,780728] [2022-11-20 19:46:02,813 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[780881,780894] [2022-11-20 19:46:02,813 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[781046,781059] [2022-11-20 19:46:02,814 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[781213,781226] [2022-11-20 19:46:02,814 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[781373,781386] [2022-11-20 19:46:02,815 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[781535,781548] [2022-11-20 19:46:02,815 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[781694,781707] [2022-11-20 19:46:02,815 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[781840,781853] [2022-11-20 19:46:02,815 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[781983,781996] [2022-11-20 19:46:02,816 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[782127,782140] [2022-11-20 19:46:02,816 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[782270,782283] [2022-11-20 19:46:02,816 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[782414,782427] [2022-11-20 19:46:02,817 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[782555,782568] [2022-11-20 19:46:02,817 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[782693,782706] [2022-11-20 19:46:02,818 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[782851,782864] [2022-11-20 19:46:02,818 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[783010,783023] [2022-11-20 19:46:02,818 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[783166,783179] [2022-11-20 19:46:02,819 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[783315,783328] [2022-11-20 19:46:02,819 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[783467,783480] [2022-11-20 19:46:02,819 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[783618,783631] [2022-11-20 19:46:02,820 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[783767,783780] [2022-11-20 19:46:02,820 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[783919,783932] [2022-11-20 19:46:02,820 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[784067,784080] [2022-11-20 19:46:02,821 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[784220,784233] [2022-11-20 19:46:02,821 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[784371,784384] [2022-11-20 19:46:02,822 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[784521,784534] [2022-11-20 19:46:02,822 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[784668,784681] [2022-11-20 19:46:02,822 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[784819,784832] [2022-11-20 19:46:02,823 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[784970,784983] [2022-11-20 19:46:02,824 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[785118,785131] [2022-11-20 19:46:02,827 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[785284,785297] [2022-11-20 19:46:02,832 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[785453,785466] [2022-11-20 19:46:02,832 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[785620,785633] [2022-11-20 19:46:02,833 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[785788,785801] [2022-11-20 19:46:02,833 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[785938,785951] [2022-11-20 19:46:02,833 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[786085,786098] [2022-11-20 19:46:02,834 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[786246,786259] [2022-11-20 19:46:02,834 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[786416,786429] [2022-11-20 19:46:02,834 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_3cd10f16-6182-4a16-a4c5-c82ef362998a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[786578,786591] [2022-11-20 19:46:02,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 19:46:03,180 INFO L208 MainTranslator]: Completed translation [2022-11-20 19:46:03,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:03 WrapperNode [2022-11-20 19:46:03,181 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 19:46:03,182 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 19:46:03,182 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 19:46:03,183 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 19:46:03,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:03" (1/1) ... [2022-11-20 19:46:03,370 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:03" (1/1) ... [2022-11-20 19:46:03,798 INFO L138 Inliner]: procedures = 939, calls = 7443, calls flagged for inlining = 417, calls inlined = 280, statements flattened = 10987 [2022-11-20 19:46:03,798 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 19:46:03,799 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 19:46:03,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 19:46:03,799 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 19:46:03,809 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:03" (1/1) ... [2022-11-20 19:46:03,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:03" (1/1) ... [2022-11-20 19:46:03,877 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:03" (1/1) ... [2022-11-20 19:46:03,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:03" (1/1) ... [2022-11-20 19:46:04,048 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:03" (1/1) ... [2022-11-20 19:46:04,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:03" (1/1) ... [2022-11-20 19:46:04,131 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:03" (1/1) ... [2022-11-20 19:46:04,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:03" (1/1) ... [2022-11-20 19:46:04,219 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 19:46:04,221 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 19:46:04,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 19:46:04,221 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 19:46:04,222 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:03" (1/1) ... [2022-11-20 19:46:04,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 19:46:04,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/z3 [2022-11-20 19:46:04,253 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 19:46:04,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 19:46:04,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2022-11-20 19:46:04,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2022-11-20 19:46:04,310 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_thread_groups [2022-11-20 19:46:04,310 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_thread_groups [2022-11-20 19:46:04,310 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2022-11-20 19:46:04,310 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2022-11-20 19:46:04,310 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_create [2022-11-20 19:46:04,310 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_create [2022-11-20 19:46:04,310 INFO L130 BoogieDeclarations]: Found specification of procedure sync_request [2022-11-20 19:46:04,311 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_request [2022-11-20 19:46:04,311 INFO L130 BoogieDeclarations]: Found specification of procedure get_active_stripe [2022-11-20 19:46:04,311 INFO L138 BoogieDeclarations]: Found implementation of procedure get_active_stripe [2022-11-20 19:46:04,311 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-20 19:46:04,311 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-20 19:46:04,311 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_remove_disk [2022-11-20 19:46:04,311 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_remove_disk [2022-11-20 19:46:04,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-20 19:46:04,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-20 19:46:04,312 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-20 19:46:04,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-20 19:46:04,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-20 19:46:04,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-20 19:46:04,313 INFO L130 BoogieDeclarations]: Found specification of procedure bdevname [2022-11-20 19:46:04,313 INFO L138 BoogieDeclarations]: Found implementation of procedure bdevname [2022-11-20 19:46:04,313 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-11-20 19:46:04,313 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-11-20 19:46:04,313 INFO L130 BoogieDeclarations]: Found specification of procedure __clear_bit [2022-11-20 19:46:04,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __clear_bit [2022-11-20 19:46:04,313 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-20 19:46:04,314 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-20 19:46:04,314 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_sub [2022-11-20 19:46:04,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_sub [2022-11-20 19:46:04,314 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-11-20 19:46:04,314 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-11-20 19:46:04,314 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-20 19:46:04,314 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-20 19:46:04,315 INFO L130 BoogieDeclarations]: Found specification of procedure read_seqcount_begin [2022-11-20 19:46:04,315 INFO L138 BoogieDeclarations]: Found implementation of procedure read_seqcount_begin [2022-11-20 19:46:04,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_102 [2022-11-20 19:46:04,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_102 [2022-11-20 19:46:04,315 INFO L130 BoogieDeclarations]: Found specification of procedure __cpu_to_node [2022-11-20 19:46:04,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __cpu_to_node [2022-11-20 19:46:04,315 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-20 19:46:04,315 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-20 19:46:04,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-20 19:46:04,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-20 19:46:04,316 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-20 19:46:04,316 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-20 19:46:04,316 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_md_personality [2022-11-20 19:46:04,316 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_md_personality [2022-11-20 19:46:04,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-20 19:46:04,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-20 19:46:04,316 INFO L130 BoogieDeclarations]: Found specification of procedure lock_device_hash_lock [2022-11-20 19:46:04,316 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_device_hash_lock [2022-11-20 19:46:04,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-20 19:46:04,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-20 19:46:04,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-20 19:46:04,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-20 19:46:04,317 INFO L130 BoogieDeclarations]: Found specification of procedure stripe_operations_active [2022-11-20 19:46:04,317 INFO L138 BoogieDeclarations]: Found implementation of procedure stripe_operations_active [2022-11-20 19:46:04,317 INFO L130 BoogieDeclarations]: Found specification of procedure free_scratch_buffer [2022-11-20 19:46:04,317 INFO L138 BoogieDeclarations]: Found implementation of procedure free_scratch_buffer [2022-11-20 19:46:04,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_122 [2022-11-20 19:46:04,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_122 [2022-11-20 19:46:04,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-20 19:46:04,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-20 19:46:04,318 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-11-20 19:46:04,318 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-11-20 19:46:04,318 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_congested [2022-11-20 19:46:04,318 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_congested [2022-11-20 19:46:04,318 INFO L130 BoogieDeclarations]: Found specification of procedure put_online_cpus [2022-11-20 19:46:04,318 INFO L138 BoogieDeclarations]: Found implementation of procedure put_online_cpus [2022-11-20 19:46:04,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_137 [2022-11-20 19:46:04,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_137 [2022-11-20 19:46:04,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-20 19:46:04,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-20 19:46:04,319 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-11-20 19:46:04,319 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-11-20 19:46:04,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 19:46:04,319 INFO L130 BoogieDeclarations]: Found specification of procedure revalidate_disk [2022-11-20 19:46:04,319 INFO L138 BoogieDeclarations]: Found implementation of procedure revalidate_disk [2022-11-20 19:46:04,319 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-20 19:46:04,319 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-20 19:46:04,319 INFO L130 BoogieDeclarations]: Found specification of procedure stripe_set_idx [2022-11-20 19:46:04,319 INFO L138 BoogieDeclarations]: Found implementation of procedure stripe_set_idx [2022-11-20 19:46:04,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 19:46:04,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-20 19:46:04,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-20 19:46:04,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 19:46:04,320 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-20 19:46:04,320 INFO L130 BoogieDeclarations]: Found specification of procedure compute_blocknr [2022-11-20 19:46:04,320 INFO L138 BoogieDeclarations]: Found implementation of procedure compute_blocknr [2022-11-20 19:46:04,320 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-20 19:46:04,320 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-20 19:46:04,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_device_lock_of_r5conf [2022-11-20 19:46:04,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_device_lock_of_r5conf [2022-11-20 19:46:04,321 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_wakeup_stripe_thread [2022-11-20 19:46:04,321 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_wakeup_stripe_thread [2022-11-20 19:46:04,321 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2022-11-20 19:46:04,321 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2022-11-20 19:46:04,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_md_register_thread [2022-11-20 19:46:04,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_md_register_thread [2022-11-20 19:46:04,321 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_zalloc [2022-11-20 19:46:04,321 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_zalloc [2022-11-20 19:46:04,321 INFO L130 BoogieDeclarations]: Found specification of procedure read_seqcount_retry [2022-11-20 19:46:04,321 INFO L138 BoogieDeclarations]: Found implementation of procedure read_seqcount_retry [2022-11-20 19:46:04,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_176 [2022-11-20 19:46:04,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_176 [2022-11-20 19:46:04,322 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-20 19:46:04,322 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-20 19:46:04,322 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-20 19:46:04,322 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-20 19:46:04,322 INFO L130 BoogieDeclarations]: Found specification of procedure release_stripe [2022-11-20 19:46:04,322 INFO L138 BoogieDeclarations]: Found implementation of procedure release_stripe [2022-11-20 19:46:04,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2022-11-20 19:46:04,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2022-11-20 19:46:04,323 INFO L130 BoogieDeclarations]: Found specification of procedure disk_devt [2022-11-20 19:46:04,323 INFO L138 BoogieDeclarations]: Found implementation of procedure disk_devt [2022-11-20 19:46:04,323 INFO L130 BoogieDeclarations]: Found specification of procedure make_request [2022-11-20 19:46:04,323 INFO L138 BoogieDeclarations]: Found implementation of procedure make_request [2022-11-20 19:46:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-20 19:46:04,324 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-20 19:46:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_103 [2022-11-20 19:46:04,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_103 [2022-11-20 19:46:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-20 19:46:04,324 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-20 19:46:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 19:46:04,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 19:46:04,324 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2022-11-20 19:46:04,325 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2022-11-20 19:46:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_start_reshape [2022-11-20 19:46:04,325 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_start_reshape [2022-11-20 19:46:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-20 19:46:04,325 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-20 19:46:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_notify_dirent_safe [2022-11-20 19:46:04,325 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_notify_dirent_safe [2022-11-20 19:46:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-20 19:46:04,325 INFO L130 BoogieDeclarations]: Found specification of procedure mddev_lock [2022-11-20 19:46:04,325 INFO L138 BoogieDeclarations]: Found implementation of procedure mddev_lock [2022-11-20 19:46:04,326 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-20 19:46:04,326 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-20 19:46:04,326 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2022-11-20 19:46:04,326 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2022-11-20 19:46:04,326 INFO L130 BoogieDeclarations]: Found specification of procedure write_seqcount_end [2022-11-20 19:46:04,326 INFO L138 BoogieDeclarations]: Found implementation of procedure write_seqcount_end [2022-11-20 19:46:04,326 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2022-11-20 19:46:04,326 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2022-11-20 19:46:04,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-20 19:46:04,326 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-20 19:46:04,327 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_resize [2022-11-20 19:46:04,327 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_resize [2022-11-20 19:46:04,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_128 [2022-11-20 19:46:04,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_128 [2022-11-20 19:46:04,327 INFO L130 BoogieDeclarations]: Found specification of procedure trace_block_bio_remap [2022-11-20 19:46:04,327 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_block_bio_remap [2022-11-20 19:46:04,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-20 19:46:04,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-20 19:46:04,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_for_read_section [2022-11-20 19:46:04,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_for_read_section [2022-11-20 19:46:04,328 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-20 19:46:04,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-20 19:46:04,328 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2022-11-20 19:46:04,328 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2022-11-20 19:46:04,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-20 19:46:04,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-20 19:46:04,328 INFO L130 BoogieDeclarations]: Found specification of procedure run [2022-11-20 19:46:04,329 INFO L138 BoogieDeclarations]: Found implementation of procedure run [2022-11-20 19:46:04,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 19:46:04,329 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-20 19:46:04,329 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-20 19:46:04,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-20 19:46:04,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-20 19:46:04,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 19:46:04,329 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-20 19:46:04,329 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-20 19:46:04,329 INFO L130 BoogieDeclarations]: Found specification of procedure drop_one_stripe [2022-11-20 19:46:04,330 INFO L138 BoogieDeclarations]: Found implementation of procedure drop_one_stripe [2022-11-20 19:46:04,330 INFO L130 BoogieDeclarations]: Found specification of procedure bio_put [2022-11-20 19:46:04,330 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_put [2022-11-20 19:46:04,330 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_add_disk [2022-11-20 19:46:04,330 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_add_disk [2022-11-20 19:46:04,330 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-20 19:46:04,330 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-20 19:46:04,330 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-20 19:46:04,330 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-20 19:46:04,330 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-20 19:46:04,331 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-20 19:46:04,331 INFO L130 BoogieDeclarations]: Found specification of procedure shrink_buffers [2022-11-20 19:46:04,331 INFO L138 BoogieDeclarations]: Found implementation of procedure shrink_buffers [2022-11-20 19:46:04,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-20 19:46:04,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-20 19:46:04,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_stripe_lock_of_stripe_head [2022-11-20 19:46:04,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_stripe_lock_of_stripe_head [2022-11-20 19:46:04,331 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-20 19:46:04,331 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-20 19:46:04,331 INFO L130 BoogieDeclarations]: Found specification of procedure mdname [2022-11-20 19:46:04,331 INFO L138 BoogieDeclarations]: Found implementation of procedure mdname [2022-11-20 19:46:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-20 19:46:04,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-20 19:46:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-20 19:46:04,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-20 19:46:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure mddev_suspend [2022-11-20 19:46:04,332 INFO L138 BoogieDeclarations]: Found implementation of procedure mddev_suspend [2022-11-20 19:46:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure free_conf [2022-11-20 19:46:04,332 INFO L138 BoogieDeclarations]: Found implementation of procedure free_conf [2022-11-20 19:46:04,332 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-20 19:46:04,332 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-20 19:46:04,333 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_cmpxchg [2022-11-20 19:46:04,333 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_cmpxchg [2022-11-20 19:46:04,333 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2022-11-20 19:46:04,333 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2022-11-20 19:46:04,333 INFO L130 BoogieDeclarations]: Found specification of procedure grow_one_stripe [2022-11-20 19:46:04,333 INFO L138 BoogieDeclarations]: Found implementation of procedure grow_one_stripe [2022-11-20 19:46:04,333 INFO L130 BoogieDeclarations]: Found specification of procedure rdev_dec_pending [2022-11-20 19:46:04,337 INFO L138 BoogieDeclarations]: Found implementation of procedure rdev_dec_pending [2022-11-20 19:46:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure mddev_resume [2022-11-20 19:46:04,337 INFO L138 BoogieDeclarations]: Found implementation of procedure mddev_resume [2022-11-20 19:46:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-20 19:46:04,337 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-20 19:46:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 19:46:04,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 19:46:04,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_stripe_lock_of_stripe_head [2022-11-20 19:46:04,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_stripe_lock_of_stripe_head [2022-11-20 19:46:04,338 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2022-11-20 19:46:04,338 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2022-11-20 19:46:04,338 INFO L130 BoogieDeclarations]: Found specification of procedure get_online_cpus [2022-11-20 19:46:04,338 INFO L138 BoogieDeclarations]: Found implementation of procedure get_online_cpus [2022-11-20 19:46:04,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_101 [2022-11-20 19:46:04,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_101 [2022-11-20 19:46:04,338 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-11-20 19:46:04,338 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-11-20 19:46:04,338 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_add [2022-11-20 19:46:04,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_add [2022-11-20 19:46:04,339 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_unless [2022-11-20 19:46:04,339 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_unless [2022-11-20 19:46:04,339 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_scratch_buffer [2022-11-20 19:46:04,339 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_scratch_buffer [2022-11-20 19:46:04,339 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-20 19:46:04,339 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-20 19:46:04,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_md_personality [2022-11-20 19:46:04,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_md_personality [2022-11-20 19:46:04,339 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_check [2022-11-20 19:46:04,340 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_check [2022-11-20 19:46:04,340 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-20 19:46:04,340 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-20 19:46:04,340 INFO L130 BoogieDeclarations]: Found specification of procedure static_key_false [2022-11-20 19:46:04,340 INFO L138 BoogieDeclarations]: Found implementation of procedure static_key_false [2022-11-20 19:46:04,340 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_startwrite [2022-11-20 19:46:04,340 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_startwrite [2022-11-20 19:46:04,340 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2022-11-20 19:46:04,340 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2022-11-20 19:46:04,340 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-11-20 19:46:04,341 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-11-20 19:46:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure raid45_takeover_raid0 [2022-11-20 19:46:04,341 INFO L138 BoogieDeclarations]: Found implementation of procedure raid45_takeover_raid0 [2022-11-20 19:46:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-20 19:46:04,341 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-20 19:46:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_notify [2022-11-20 19:46:04,341 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_notify [2022-11-20 19:46:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-20 19:46:04,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-20 19:46:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_finish_reshape [2022-11-20 19:46:04,342 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_finish_reshape [2022-11-20 19:46:04,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-20 19:46:04,342 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-20 19:46:04,342 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-20 19:46:04,342 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-20 19:46:04,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 19:46:04,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 19:46:04,342 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_start_sync [2022-11-20 19:46:04,342 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_start_sync [2022-11-20 19:46:04,342 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_check_reshape [2022-11-20 19:46:04,343 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_check_reshape [2022-11-20 19:46:04,343 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2022-11-20 19:46:04,343 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2022-11-20 19:46:04,343 INFO L130 BoogieDeclarations]: Found specification of procedure setup_conf [2022-11-20 19:46:04,343 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_conf [2022-11-20 19:46:04,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-20 19:46:04,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-20 19:46:04,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-20 19:46:04,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-20 19:46:04,343 INFO L130 BoogieDeclarations]: Found specification of procedure scribble_len [2022-11-20 19:46:04,344 INFO L138 BoogieDeclarations]: Found implementation of procedure scribble_len [2022-11-20 19:46:04,344 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-20 19:46:04,344 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-20 19:46:04,344 INFO L130 BoogieDeclarations]: Found specification of procedure add_stripe_bio [2022-11-20 19:46:04,344 INFO L138 BoogieDeclarations]: Found implementation of procedure add_stripe_bio [2022-11-20 19:46:04,344 INFO L130 BoogieDeclarations]: Found specification of procedure bio_init [2022-11-20 19:46:04,344 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_init [2022-11-20 19:46:04,344 INFO L130 BoogieDeclarations]: Found specification of procedure generic_make_request [2022-11-20 19:46:04,344 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_make_request [2022-11-20 19:46:04,344 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2022-11-20 19:46:04,345 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2022-11-20 19:46:04,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-20 19:46:04,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-20 19:46:04,345 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-11-20 19:46:04,345 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-11-20 19:46:04,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_175 [2022-11-20 19:46:04,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_175 [2022-11-20 19:46:04,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-20 19:46:04,345 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-20 19:46:04,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-20 19:46:04,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-20 19:46:04,346 INFO L130 BoogieDeclarations]: Found specification of procedure md_write_end [2022-11-20 19:46:04,346 INFO L138 BoogieDeclarations]: Found implementation of procedure md_write_end [2022-11-20 19:46:04,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 19:46:04,346 INFO L130 BoogieDeclarations]: Found specification of procedure is_badblock [2022-11-20 19:46:04,346 INFO L138 BoogieDeclarations]: Found implementation of procedure is_badblock [2022-11-20 19:46:04,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-20 19:46:04,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 19:46:04,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 19:46:04,347 INFO L130 BoogieDeclarations]: Found specification of procedure md_set_array_sectors [2022-11-20 19:46:04,347 INFO L138 BoogieDeclarations]: Found implementation of procedure md_set_array_sectors [2022-11-20 19:46:04,347 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_dec_bi_active_stripes [2022-11-20 19:46:04,347 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_dec_bi_active_stripes [2022-11-20 19:46:04,347 INFO L130 BoogieDeclarations]: Found specification of procedure register_md_personality [2022-11-20 19:46:04,347 INFO L138 BoogieDeclarations]: Found implementation of procedure register_md_personality [2022-11-20 19:46:04,347 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-20 19:46:04,347 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-20 19:46:04,347 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-20 19:46:04,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-20 19:46:04,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-20 19:46:04,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-20 19:46:04,348 INFO L130 BoogieDeclarations]: Found specification of procedure get_start_sect [2022-11-20 19:46:04,348 INFO L138 BoogieDeclarations]: Found implementation of procedure get_start_sect [2022-11-20 19:46:04,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-20 19:46:04,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-20 19:46:04,348 INFO L130 BoogieDeclarations]: Found specification of procedure print_raid5_conf [2022-11-20 19:46:04,348 INFO L138 BoogieDeclarations]: Found implementation of procedure print_raid5_conf [2022-11-20 19:46:04,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-20 19:46:04,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-20 19:46:04,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-20 19:46:04,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-20 19:46:04,349 INFO L130 BoogieDeclarations]: Found specification of procedure status [2022-11-20 19:46:04,349 INFO L138 BoogieDeclarations]: Found implementation of procedure status [2022-11-20 19:46:04,349 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-20 19:46:04,349 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-20 19:46:04,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-20 19:46:04,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-20 19:46:04,349 INFO L130 BoogieDeclarations]: Found specification of procedure md_wakeup_thread [2022-11-20 19:46:04,349 INFO L138 BoogieDeclarations]: Found implementation of procedure md_wakeup_thread [2022-11-20 19:46:04,349 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2022-11-20 19:46:04,350 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2022-11-20 19:46:04,350 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_inc_bi_active_stripes [2022-11-20 19:46:04,350 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_inc_bi_active_stripes [2022-11-20 19:46:04,350 INFO L130 BoogieDeclarations]: Found specification of procedure disk_stack_limits [2022-11-20 19:46:04,350 INFO L138 BoogieDeclarations]: Found implementation of procedure disk_stack_limits [2022-11-20 19:46:04,350 INFO L130 BoogieDeclarations]: Found specification of procedure remove_hash [2022-11-20 19:46:04,350 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_hash [2022-11-20 19:46:04,350 INFO L130 BoogieDeclarations]: Found specification of procedure stripe_hash [2022-11-20 19:46:04,350 INFO L138 BoogieDeclarations]: Found implementation of procedure stripe_hash [2022-11-20 19:46:04,350 INFO L130 BoogieDeclarations]: Found specification of procedure release_inactive_stripe_list [2022-11-20 19:46:04,351 INFO L138 BoogieDeclarations]: Found implementation of procedure release_inactive_stripe_list [2022-11-20 19:46:04,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-20 19:46:04,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-20 19:46:04,351 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-20 19:46:04,351 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-20 19:46:04,351 INFO L130 BoogieDeclarations]: Found specification of procedure write_seqcount_begin [2022-11-20 19:46:04,351 INFO L138 BoogieDeclarations]: Found implementation of procedure write_seqcount_begin [2022-11-20 19:46:04,351 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-11-20 19:46:04,351 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-11-20 19:46:04,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_device_lock_of_r5conf [2022-11-20 19:46:04,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_device_lock_of_r5conf [2022-11-20 19:46:04,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 19:46:04,352 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2022-11-20 19:46:04,352 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2022-11-20 19:46:04,352 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2022-11-20 19:46:04,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 19:46:04,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 19:46:04,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 19:46:04,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_md_personality [2022-11-20 19:46:04,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_md_personality [2022-11-20 19:46:04,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 19:46:04,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 19:46:04,353 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_size [2022-11-20 19:46:04,353 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_size [2022-11-20 19:46:04,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-20 19:46:04,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-20 19:46:04,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-11-20 19:46:04,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-11-20 19:46:04,353 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_return [2022-11-20 19:46:04,354 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_return [2022-11-20 19:46:04,354 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_spare_active [2022-11-20 19:46:04,354 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_spare_active [2022-11-20 19:46:04,354 INFO L130 BoogieDeclarations]: Found specification of procedure md_allow_write [2022-11-20 19:46:04,354 INFO L138 BoogieDeclarations]: Found implementation of procedure md_allow_write [2022-11-20 19:46:04,354 INFO L130 BoogieDeclarations]: Found specification of procedure lock_all_device_hash_locks_irq [2022-11-20 19:46:04,354 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_all_device_hash_locks_irq [2022-11-20 19:46:04,354 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-20 19:46:04,354 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-20 19:46:04,354 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_device_hash_lock [2022-11-20 19:46:04,355 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_device_hash_lock [2022-11-20 19:46:04,355 INFO L130 BoogieDeclarations]: Found specification of procedure md_register_thread [2022-11-20 19:46:04,355 INFO L138 BoogieDeclarations]: Found implementation of procedure md_register_thread [2022-11-20 19:46:04,355 INFO L130 BoogieDeclarations]: Found specification of procedure check_stripe_cache [2022-11-20 19:46:04,355 INFO L138 BoogieDeclarations]: Found implementation of procedure check_stripe_cache [2022-11-20 19:46:04,355 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-11-20 19:46:04,355 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-11-20 19:46:04,355 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_NOT_ARG_SIGN [2022-11-20 19:46:04,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_NOT_ARG_SIGN [2022-11-20 19:46:04,355 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_quiesce [2022-11-20 19:46:04,356 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_quiesce [2022-11-20 19:46:04,356 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_store_stripe_cache_size [2022-11-20 19:46:04,356 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_store_stripe_cache_size [2022-11-20 19:46:04,356 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock_sched_notrace [2022-11-20 19:46:04,356 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock_sched_notrace [2022-11-20 19:46:04,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 19:46:04,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 19:46:04,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 19:46:04,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 19:46:04,356 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 19:46:04,357 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_compute_sector [2022-11-20 19:46:04,357 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_compute_sector [2022-11-20 19:46:04,357 INFO L130 BoogieDeclarations]: Found specification of procedure trace_block_bio_complete [2022-11-20 19:46:04,357 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_block_bio_complete [2022-11-20 19:46:04,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-20 19:46:04,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-20 19:46:04,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-20 19:46:04,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-20 19:46:04,357 INFO L130 BoogieDeclarations]: Found specification of procedure do_release_stripe [2022-11-20 19:46:04,357 INFO L138 BoogieDeclarations]: Found implementation of procedure do_release_stripe [2022-11-20 19:46:04,358 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_mergeable_bvec [2022-11-20 19:46:04,358 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_mergeable_bvec [2022-11-20 19:46:04,358 INFO L130 BoogieDeclarations]: Found specification of procedure check_reshape [2022-11-20 19:46:04,358 INFO L138 BoogieDeclarations]: Found implementation of procedure check_reshape [2022-11-20 19:46:04,358 INFO L130 BoogieDeclarations]: Found specification of procedure get_free_stripe [2022-11-20 19:46:04,358 INFO L138 BoogieDeclarations]: Found implementation of procedure get_free_stripe [2022-11-20 19:46:04,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-20 19:46:04,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-20 19:46:04,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_100 [2022-11-20 19:46:04,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_100 [2022-11-20 19:46:04,359 INFO L130 BoogieDeclarations]: Found specification of procedure r5_next_bio [2022-11-20 19:46:04,359 INFO L138 BoogieDeclarations]: Found implementation of procedure r5_next_bio [2022-11-20 19:46:04,359 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-20 19:46:04,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-20 19:46:04,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-20 19:46:04,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-20 19:46:04,359 INFO L130 BoogieDeclarations]: Found specification of procedure only_parity [2022-11-20 19:46:04,359 INFO L138 BoogieDeclarations]: Found implementation of procedure only_parity [2022-11-20 19:46:04,359 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 19:46:04,359 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 19:46:04,360 INFO L130 BoogieDeclarations]: Found specification of procedure mddev_unlock [2022-11-20 19:46:04,360 INFO L138 BoogieDeclarations]: Found implementation of procedure mddev_unlock [2022-11-20 19:46:04,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-20 19:46:04,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-20 19:46:04,360 INFO L130 BoogieDeclarations]: Found specification of procedure is_power_of_2 [2022-11-20 19:46:04,360 INFO L138 BoogieDeclarations]: Found implementation of procedure is_power_of_2 [2022-11-20 19:46:04,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_NOT_ARG_SIGN [2022-11-20 19:46:04,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_NOT_ARG_SIGN [2022-11-20 19:46:04,360 INFO L130 BoogieDeclarations]: Found specification of procedure release_stripe_plug [2022-11-20 19:46:04,360 INFO L138 BoogieDeclarations]: Found implementation of procedure release_stripe_plug [2022-11-20 19:46:04,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-20 19:46:04,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-20 19:46:04,361 INFO L130 BoogieDeclarations]: Found specification of procedure has_failed [2022-11-20 19:46:04,361 INFO L138 BoogieDeclarations]: Found implementation of procedure has_failed [2022-11-20 19:46:04,361 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-20 19:46:04,361 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-20 19:46:04,361 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_all_device_hash_locks_irq [2022-11-20 19:46:04,361 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_all_device_hash_locks_irq [2022-11-20 19:46:04,361 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2022-11-20 19:46:04,361 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2022-11-20 19:46:04,362 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-20 19:46:04,362 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-20 19:46:04,362 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_free [2022-11-20 19:46:04,362 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_free [2022-11-20 19:46:04,362 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-20 19:46:04,362 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-20 19:46:04,362 INFO L130 BoogieDeclarations]: Found specification of procedure calc_degraded [2022-11-20 19:46:04,362 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_degraded [2022-11-20 19:46:04,362 INFO L130 BoogieDeclarations]: Found specification of procedure algorithm_valid_raid6 [2022-11-20 19:46:04,362 INFO L138 BoogieDeclarations]: Found implementation of procedure algorithm_valid_raid6 [2022-11-20 19:46:04,363 INFO L130 BoogieDeclarations]: Found specification of procedure algorithm_valid_raid5 [2022-11-20 19:46:04,363 INFO L138 BoogieDeclarations]: Found implementation of procedure algorithm_valid_raid5 [2022-11-20 19:46:04,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-20 19:46:04,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-20 19:46:04,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_136 [2022-11-20 19:46:04,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_136 [2022-11-20 19:46:04,363 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-11-20 19:46:04,363 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-11-20 19:46:04,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-20 19:46:04,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-20 19:46:04,364 INFO L130 BoogieDeclarations]: Found specification of procedure error [2022-11-20 19:46:04,364 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2022-11-20 19:46:04,364 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2022-11-20 19:46:04,364 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_free [2022-11-20 19:46:04,364 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-20 19:46:04,364 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-20 19:46:04,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_121 [2022-11-20 19:46:04,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_121 [2022-11-20 19:46:04,364 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-11-20 19:46:04,364 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-11-20 19:46:05,921 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 19:46:05,926 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 19:46:10,660 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 19:47:30,119 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 19:47:30,150 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 19:47:30,150 INFO L300 CfgBuilder]: Removed 10 assume(true) statements. [2022-11-20 19:47:30,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:47:30 BoogieIcfgContainer [2022-11-20 19:47:30,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 19:47:30,164 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 19:47:30,164 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 19:47:30,168 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 19:47:30,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:45:50" (1/3) ... [2022-11-20 19:47:30,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@647ebfd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:47:30, skipping insertion in model container [2022-11-20 19:47:30,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:46:03" (2/3) ... [2022-11-20 19:47:30,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@647ebfd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:47:30, skipping insertion in model container [2022-11-20 19:47:30,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:47:30" (3/3) ... [2022-11-20 19:47:30,172 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--md--raid456.ko.cil.i [2022-11-20 19:47:30,192 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 19:47:30,193 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 33 error locations. [2022-11-20 19:47:30,348 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 19:47:30,353 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=FINITE_AUTOMATA, 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;@5e32ea0a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 19:47:30,354 INFO L358 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2022-11-20 19:47:30,372 INFO L276 IsEmpty]: Start isEmpty. Operand has 4211 states, 2795 states have (on average 1.3416815742397137) internal successors, (3750), 2953 states have internal predecessors, (3750), 1149 states have call successors, (1149), 234 states have call predecessors, (1149), 233 states have return successors, (1141), 1120 states have call predecessors, (1141), 1141 states have call successors, (1141) [2022-11-20 19:47:30,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-11-20 19:47:30,383 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:47:30,384 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:47:30,385 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-20 19:47:30,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:47:30,390 INFO L85 PathProgramCache]: Analyzing trace with hash 988341193, now seen corresponding path program 1 times [2022-11-20 19:47:30,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 19:47:30,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [544024898] [2022-11-20 19:47:30,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:47:30,411 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 19:47:30,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 19:47:30,418 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:47:30,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:47:32,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:47:32,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 2001 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 19:47:32,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:47:32,895 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 19:47:32,895 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:47:32,896 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 19:47:32,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [544024898] [2022-11-20 19:47:32,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [544024898] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:47:32,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:47:32,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 19:47:32,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558642196] [2022-11-20 19:47:32,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:47:32,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 19:47:32,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 19:47:32,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 19:47:32,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 19:47:32,946 INFO L87 Difference]: Start difference. First operand has 4211 states, 2795 states have (on average 1.3416815742397137) internal successors, (3750), 2953 states have internal predecessors, (3750), 1149 states have call successors, (1149), 234 states have call predecessors, (1149), 233 states have return successors, (1141), 1120 states have call predecessors, (1141), 1141 states have call successors, (1141) Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-20 19:47:33,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:47:33,704 INFO L93 Difference]: Finished difference Result 8357 states and 12297 transitions. [2022-11-20 19:47:33,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 19:47:33,707 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 50 [2022-11-20 19:47:33,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:47:33,762 INFO L225 Difference]: With dead ends: 8357 [2022-11-20 19:47:33,763 INFO L226 Difference]: Without dead ends: 4140 [2022-11-20 19:47:33,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 19:47:33,823 INFO L413 NwaCegarLoop]: 5877 mSDtfsCounter, 5839 mSDsluCounter, 5875 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5841 SdHoareTripleChecker+Valid, 11752 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 19:47:33,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5841 Valid, 11752 Invalid, 2 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 19:47:33,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4140 states. [2022-11-20 19:47:34,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4140 to 4140. [2022-11-20 19:47:34,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4140 states, 2735 states have (on average 1.3056672760511883) internal successors, (3571), 2885 states have internal predecessors, (3571), 1141 states have call successors, (1141), 233 states have call predecessors, (1141), 232 states have return successors, (1139), 1118 states have call predecessors, (1139), 1139 states have call successors, (1139) [2022-11-20 19:47:34,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4140 states to 4140 states and 5851 transitions. [2022-11-20 19:47:34,393 INFO L78 Accepts]: Start accepts. Automaton has 4140 states and 5851 transitions. Word has length 50 [2022-11-20 19:47:34,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:47:34,395 INFO L495 AbstractCegarLoop]: Abstraction has 4140 states and 5851 transitions. [2022-11-20 19:47:34,395 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2022-11-20 19:47:34,395 INFO L276 IsEmpty]: Start isEmpty. Operand 4140 states and 5851 transitions. [2022-11-20 19:47:34,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-11-20 19:47:34,404 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:47:34,405 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:47:34,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:47:34,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:47:34,622 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-20 19:47:34,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:47:34,623 INFO L85 PathProgramCache]: Analyzing trace with hash 48314219, now seen corresponding path program 1 times [2022-11-20 19:47:34,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 19:47:34,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1824426667] [2022-11-20 19:47:34,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:47:34,627 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 19:47:34,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 19:47:34,628 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:47:34,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:47:36,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:47:36,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 2010 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 19:47:36,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:47:36,980 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 19:47:36,980 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:47:36,980 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 19:47:36,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1824426667] [2022-11-20 19:47:36,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1824426667] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:47:36,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:47:36,981 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 19:47:36,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326753184] [2022-11-20 19:47:36,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:47:36,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 19:47:36,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 19:47:36,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 19:47:36,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 19:47:36,983 INFO L87 Difference]: Start difference. First operand 4140 states and 5851 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-11-20 19:47:37,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:47:37,357 INFO L93 Difference]: Finished difference Result 4140 states and 5851 transitions. [2022-11-20 19:47:37,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 19:47:37,358 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) Word has length 56 [2022-11-20 19:47:37,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:47:37,382 INFO L225 Difference]: With dead ends: 4140 [2022-11-20 19:47:37,383 INFO L226 Difference]: Without dead ends: 4138 [2022-11-20 19:47:37,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 19:47:37,387 INFO L413 NwaCegarLoop]: 5847 mSDtfsCounter, 5803 mSDsluCounter, 5845 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5805 SdHoareTripleChecker+Valid, 11692 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 19:47:37,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5805 Valid, 11692 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 19:47:37,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4138 states. [2022-11-20 19:47:37,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4138 to 4138. [2022-11-20 19:47:37,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4138 states, 2734 states have (on average 1.305413313825896) internal successors, (3569), 2883 states have internal predecessors, (3569), 1141 states have call successors, (1141), 233 states have call predecessors, (1141), 232 states have return successors, (1139), 1118 states have call predecessors, (1139), 1139 states have call successors, (1139) [2022-11-20 19:47:37,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4138 states to 4138 states and 5849 transitions. [2022-11-20 19:47:37,693 INFO L78 Accepts]: Start accepts. Automaton has 4138 states and 5849 transitions. Word has length 56 [2022-11-20 19:47:37,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:47:37,694 INFO L495 AbstractCegarLoop]: Abstraction has 4138 states and 5849 transitions. [2022-11-20 19:47:37,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (8), 1 states have call predecessors, (8), 1 states have call successors, (8) [2022-11-20 19:47:37,694 INFO L276 IsEmpty]: Start isEmpty. Operand 4138 states and 5849 transitions. [2022-11-20 19:47:37,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-20 19:47:37,699 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:47:37,699 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:47:37,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:47:37,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:47:37,914 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-20 19:47:37,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:47:37,915 INFO L85 PathProgramCache]: Analyzing trace with hash -345644259, now seen corresponding path program 1 times [2022-11-20 19:47:37,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 19:47:37,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [725561555] [2022-11-20 19:47:37,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:47:37,917 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 19:47:37,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 19:47:37,966 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:47:38,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:47:39,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:47:39,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 2019 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 19:47:39,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:47:40,390 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 19:47:40,390 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:47:40,390 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 19:47:40,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [725561555] [2022-11-20 19:47:40,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [725561555] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:47:40,391 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:47:40,391 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 19:47:40,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088864783] [2022-11-20 19:47:40,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:47:40,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 19:47:40,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 19:47:40,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 19:47:40,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 19:47:40,392 INFO L87 Difference]: Start difference. First operand 4138 states and 5849 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-20 19:47:40,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:47:40,834 INFO L93 Difference]: Finished difference Result 4138 states and 5849 transitions. [2022-11-20 19:47:40,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 19:47:40,835 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) Word has length 62 [2022-11-20 19:47:40,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:47:40,866 INFO L225 Difference]: With dead ends: 4138 [2022-11-20 19:47:40,866 INFO L226 Difference]: Without dead ends: 4136 [2022-11-20 19:47:40,870 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 19:47:40,871 INFO L413 NwaCegarLoop]: 5845 mSDtfsCounter, 5795 mSDsluCounter, 5843 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5797 SdHoareTripleChecker+Valid, 11688 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 19:47:40,871 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5797 Valid, 11688 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 19:47:40,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4136 states. [2022-11-20 19:47:41,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4136 to 4136. [2022-11-20 19:47:41,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4136 states, 2733 states have (on average 1.305159165751921) internal successors, (3567), 2881 states have internal predecessors, (3567), 1141 states have call successors, (1141), 233 states have call predecessors, (1141), 232 states have return successors, (1139), 1118 states have call predecessors, (1139), 1139 states have call successors, (1139) [2022-11-20 19:47:41,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4136 states to 4136 states and 5847 transitions. [2022-11-20 19:47:41,197 INFO L78 Accepts]: Start accepts. Automaton has 4136 states and 5847 transitions. Word has length 62 [2022-11-20 19:47:41,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:47:41,198 INFO L495 AbstractCegarLoop]: Abstraction has 4136 states and 5847 transitions. [2022-11-20 19:47:41,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 3 states have internal predecessors, (37), 1 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (9), 1 states have call predecessors, (9), 1 states have call successors, (9) [2022-11-20 19:47:41,198 INFO L276 IsEmpty]: Start isEmpty. Operand 4136 states and 5847 transitions. [2022-11-20 19:47:41,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-20 19:47:41,200 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:47:41,200 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:47:41,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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)] Ended with exit code 0 [2022-11-20 19:47:41,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:47:41,401 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-20 19:47:41,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:47:41,401 INFO L85 PathProgramCache]: Analyzing trace with hash 1929183131, now seen corresponding path program 1 times [2022-11-20 19:47:41,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 19:47:41,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [886650424] [2022-11-20 19:47:41,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:47:41,404 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 19:47:41,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 19:47:41,406 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:47:41,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:47:43,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:47:43,270 INFO L263 TraceCheckSpWp]: Trace formula consists of 2028 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 19:47:43,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:47:43,818 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 19:47:43,818 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:47:43,818 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 19:47:43,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [886650424] [2022-11-20 19:47:43,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [886650424] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:47:43,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:47:43,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 19:47:43,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461528058] [2022-11-20 19:47:43,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:47:43,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 19:47:43,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 19:47:43,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 19:47:43,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 19:47:43,820 INFO L87 Difference]: Start difference. First operand 4136 states and 5847 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-20 19:47:44,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:47:44,270 INFO L93 Difference]: Finished difference Result 4136 states and 5847 transitions. [2022-11-20 19:47:44,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 19:47:44,271 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) Word has length 68 [2022-11-20 19:47:44,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:47:44,294 INFO L225 Difference]: With dead ends: 4136 [2022-11-20 19:47:44,294 INFO L226 Difference]: Without dead ends: 4134 [2022-11-20 19:47:44,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 19:47:44,300 INFO L413 NwaCegarLoop]: 5843 mSDtfsCounter, 5787 mSDsluCounter, 5841 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5789 SdHoareTripleChecker+Valid, 11684 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 19:47:44,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5789 Valid, 11684 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 19:47:44,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4134 states. [2022-11-20 19:47:44,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4134 to 4134. [2022-11-20 19:47:44,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4134 states, 2732 states have (on average 1.304904831625183) internal successors, (3565), 2879 states have internal predecessors, (3565), 1141 states have call successors, (1141), 233 states have call predecessors, (1141), 232 states have return successors, (1139), 1118 states have call predecessors, (1139), 1139 states have call successors, (1139) [2022-11-20 19:47:44,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4134 states to 4134 states and 5845 transitions. [2022-11-20 19:47:44,738 INFO L78 Accepts]: Start accepts. Automaton has 4134 states and 5845 transitions. Word has length 68 [2022-11-20 19:47:44,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:47:44,739 INFO L495 AbstractCegarLoop]: Abstraction has 4134 states and 5845 transitions. [2022-11-20 19:47:44,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (10), 1 states have call predecessors, (10), 1 states have call successors, (10) [2022-11-20 19:47:44,740 INFO L276 IsEmpty]: Start isEmpty. Operand 4134 states and 5845 transitions. [2022-11-20 19:47:44,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2022-11-20 19:47:44,743 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:47:44,744 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:47:44,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:47:44,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:47:44,966 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-20 19:47:44,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:47:44,967 INFO L85 PathProgramCache]: Analyzing trace with hash -1853040188, now seen corresponding path program 1 times [2022-11-20 19:47:44,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 19:47:44,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [661458264] [2022-11-20 19:47:44,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:47:44,969 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 19:47:44,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 19:47:44,970 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:47:44,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:47:46,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:47:46,639 INFO L263 TraceCheckSpWp]: Trace formula consists of 2037 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 19:47:46,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:47:47,310 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 19:47:47,310 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:47:47,310 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 19:47:47,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [661458264] [2022-11-20 19:47:47,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [661458264] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:47:47,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:47:47,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 19:47:47,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106494829] [2022-11-20 19:47:47,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:47:47,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 19:47:47,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 19:47:47,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 19:47:47,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 19:47:47,312 INFO L87 Difference]: Start difference. First operand 4134 states and 5845 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-11-20 19:47:47,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:47:47,770 INFO L93 Difference]: Finished difference Result 4134 states and 5845 transitions. [2022-11-20 19:47:47,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 19:47:47,771 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 74 [2022-11-20 19:47:47,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:47:47,797 INFO L225 Difference]: With dead ends: 4134 [2022-11-20 19:47:47,797 INFO L226 Difference]: Without dead ends: 4132 [2022-11-20 19:47:47,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 19:47:47,802 INFO L413 NwaCegarLoop]: 5841 mSDtfsCounter, 5779 mSDsluCounter, 5839 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5781 SdHoareTripleChecker+Valid, 11680 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 19:47:47,803 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5781 Valid, 11680 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 19:47:47,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4132 states. [2022-11-20 19:47:48,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4132 to 4132. [2022-11-20 19:47:48,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4132 states, 2731 states have (on average 1.3046503112413035) internal successors, (3563), 2877 states have internal predecessors, (3563), 1141 states have call successors, (1141), 233 states have call predecessors, (1141), 232 states have return successors, (1139), 1118 states have call predecessors, (1139), 1139 states have call successors, (1139) [2022-11-20 19:47:48,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4132 states to 4132 states and 5843 transitions. [2022-11-20 19:47:48,210 INFO L78 Accepts]: Start accepts. Automaton has 4132 states and 5843 transitions. Word has length 74 [2022-11-20 19:47:48,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:47:48,211 INFO L495 AbstractCegarLoop]: Abstraction has 4132 states and 5843 transitions. [2022-11-20 19:47:48,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 3 states have internal predecessors, (45), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2022-11-20 19:47:48,211 INFO L276 IsEmpty]: Start isEmpty. Operand 4132 states and 5843 transitions. [2022-11-20 19:47:48,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-20 19:47:48,213 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:47:48,214 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:47:48,243 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:47:48,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:47:48,436 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-20 19:47:48,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:47:48,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1714850122, now seen corresponding path program 1 times [2022-11-20 19:47:48,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 19:47:48,438 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [161912419] [2022-11-20 19:47:48,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:47:48,439 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 19:47:48,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 19:47:48,442 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:47:48,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:47:50,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:47:50,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 2046 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 19:47:50,074 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:47:50,700 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 19:47:50,700 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:47:50,700 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 19:47:50,700 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [161912419] [2022-11-20 19:47:50,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [161912419] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:47:50,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:47:50,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 19:47:50,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864059354] [2022-11-20 19:47:50,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:47:50,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 19:47:50,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 19:47:50,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 19:47:50,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 19:47:50,703 INFO L87 Difference]: Start difference. First operand 4132 states and 5843 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-11-20 19:47:51,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:47:51,220 INFO L93 Difference]: Finished difference Result 4132 states and 5843 transitions. [2022-11-20 19:47:51,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 19:47:51,221 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 80 [2022-11-20 19:47:51,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:47:51,252 INFO L225 Difference]: With dead ends: 4132 [2022-11-20 19:47:51,252 INFO L226 Difference]: Without dead ends: 4130 [2022-11-20 19:47:51,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 19:47:51,257 INFO L413 NwaCegarLoop]: 5839 mSDtfsCounter, 5771 mSDsluCounter, 5837 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5773 SdHoareTripleChecker+Valid, 11676 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 19:47:51,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5773 Valid, 11676 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 19:47:51,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4130 states. [2022-11-20 19:47:51,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4130 to 4130. [2022-11-20 19:47:51,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4130 states, 2730 states have (on average 1.3043956043956044) internal successors, (3561), 2875 states have internal predecessors, (3561), 1141 states have call successors, (1141), 233 states have call predecessors, (1141), 232 states have return successors, (1139), 1118 states have call predecessors, (1139), 1139 states have call successors, (1139) [2022-11-20 19:47:51,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4130 states to 4130 states and 5841 transitions. [2022-11-20 19:47:51,690 INFO L78 Accepts]: Start accepts. Automaton has 4130 states and 5841 transitions. Word has length 80 [2022-11-20 19:47:51,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:47:51,690 INFO L495 AbstractCegarLoop]: Abstraction has 4130 states and 5841 transitions. [2022-11-20 19:47:51,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2022-11-20 19:47:51,691 INFO L276 IsEmpty]: Start isEmpty. Operand 4130 states and 5841 transitions. [2022-11-20 19:47:51,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2022-11-20 19:47:51,692 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:47:51,693 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:47:51,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:47:51,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:47:51,906 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-20 19:47:51,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:47:51,907 INFO L85 PathProgramCache]: Analyzing trace with hash 1941385054, now seen corresponding path program 1 times [2022-11-20 19:47:51,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 19:47:51,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1797325829] [2022-11-20 19:47:51,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:47:51,908 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 19:47:51,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 19:47:51,910 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:47:51,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:47:53,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:47:53,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 2055 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 19:47:53,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:47:54,148 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 19:47:54,149 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:47:54,149 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 19:47:54,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1797325829] [2022-11-20 19:47:54,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1797325829] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:47:54,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:47:54,149 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 19:47:54,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613307775] [2022-11-20 19:47:54,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:47:54,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 19:47:54,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 19:47:54,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 19:47:54,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 19:47:54,151 INFO L87 Difference]: Start difference. First operand 4130 states and 5841 transitions. Second operand has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-20 19:47:55,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:47:55,227 INFO L93 Difference]: Finished difference Result 8251 states and 11675 transitions. [2022-11-20 19:47:55,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 19:47:55,228 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 86 [2022-11-20 19:47:55,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:47:55,296 INFO L225 Difference]: With dead ends: 8251 [2022-11-20 19:47:55,296 INFO L226 Difference]: Without dead ends: 8249 [2022-11-20 19:47:55,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 19:47:55,304 INFO L413 NwaCegarLoop]: 6980 mSDtfsCounter, 5762 mSDsluCounter, 12811 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5764 SdHoareTripleChecker+Valid, 19791 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 19:47:55,304 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5764 Valid, 19791 Invalid, 9 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 19:47:55,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8249 states. [2022-11-20 19:47:56,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8249 to 8107. [2022-11-20 19:47:56,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8107 states, 5375 states have (on average 1.3064186046511628) internal successors, (7022), 5639 states have internal predecessors, (7022), 2253 states have call successors, (2253), 453 states have call predecessors, (2253), 452 states have return successors, (2257), 2208 states have call predecessors, (2257), 2251 states have call successors, (2257) [2022-11-20 19:47:56,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8107 states to 8107 states and 11532 transitions. [2022-11-20 19:47:56,324 INFO L78 Accepts]: Start accepts. Automaton has 8107 states and 11532 transitions. Word has length 86 [2022-11-20 19:47:56,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:47:56,325 INFO L495 AbstractCegarLoop]: Abstraction has 8107 states and 11532 transitions. [2022-11-20 19:47:56,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.25) internal successors, (53), 3 states have internal predecessors, (53), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2022-11-20 19:47:56,325 INFO L276 IsEmpty]: Start isEmpty. Operand 8107 states and 11532 transitions. [2022-11-20 19:47:56,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-11-20 19:47:56,329 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:47:56,329 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:47:56,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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)] Forceful destruction successful, exit code 0 [2022-11-20 19:47:56,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:47:56,550 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-20 19:47:56,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:47:56,551 INFO L85 PathProgramCache]: Analyzing trace with hash -691307268, now seen corresponding path program 1 times [2022-11-20 19:47:56,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 19:47:56,553 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [748050669] [2022-11-20 19:47:56,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:47:56,553 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 19:47:56,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 19:47:56,555 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:47:56,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 (9)] Waiting until timeout for monitored process [2022-11-20 19:47:58,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:47:58,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 2064 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 19:47:58,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:47:58,991 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 19:47:58,991 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:47:58,991 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 19:47:58,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [748050669] [2022-11-20 19:47:58,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [748050669] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:47:58,991 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:47:58,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 19:47:58,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737391860] [2022-11-20 19:47:58,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:47:58,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 19:47:58,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 19:47:58,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 19:47:58,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 19:47:58,993 INFO L87 Difference]: Start difference. First operand 8107 states and 11532 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-11-20 19:48:00,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:48:00,010 INFO L93 Difference]: Finished difference Result 8107 states and 11532 transitions. [2022-11-20 19:48:00,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 19:48:00,011 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 92 [2022-11-20 19:48:00,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:48:00,049 INFO L225 Difference]: With dead ends: 8107 [2022-11-20 19:48:00,050 INFO L226 Difference]: Without dead ends: 8105 [2022-11-20 19:48:00,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 19:48:00,055 INFO L413 NwaCegarLoop]: 5837 mSDtfsCounter, 5761 mSDsluCounter, 5831 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5763 SdHoareTripleChecker+Valid, 11668 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 19:48:00,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5763 Valid, 11668 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 19:48:00,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8105 states. [2022-11-20 19:48:00,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8105 to 8105. [2022-11-20 19:48:00,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8105 states, 5374 states have (on average 1.3062895422404168) internal successors, (7020), 5637 states have internal predecessors, (7020), 2253 states have call successors, (2253), 453 states have call predecessors, (2253), 452 states have return successors, (2257), 2208 states have call predecessors, (2257), 2251 states have call successors, (2257) [2022-11-20 19:48:01,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8105 states to 8105 states and 11530 transitions. [2022-11-20 19:48:01,029 INFO L78 Accepts]: Start accepts. Automaton has 8105 states and 11530 transitions. Word has length 92 [2022-11-20 19:48:01,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:48:01,030 INFO L495 AbstractCegarLoop]: Abstraction has 8105 states and 11530 transitions. [2022-11-20 19:48:01,031 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 3 states have internal predecessors, (57), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-11-20 19:48:01,031 INFO L276 IsEmpty]: Start isEmpty. Operand 8105 states and 11530 transitions. [2022-11-20 19:48:01,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-20 19:48:01,033 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:48:01,033 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:48:01,068 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 (9)] Forceful destruction successful, exit code 0 [2022-11-20 19:48:01,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:48:01,256 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-20 19:48:01,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:48:01,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1373931903, now seen corresponding path program 1 times [2022-11-20 19:48:01,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 19:48:01,259 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1690468278] [2022-11-20 19:48:01,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:48:01,259 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 19:48:01,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 19:48:01,262 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:48:01,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 (10)] Waiting until timeout for monitored process [2022-11-20 19:48:03,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:48:03,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 2067 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 19:48:03,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:48:04,061 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 19:48:04,061 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:48:04,061 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 19:48:04,062 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1690468278] [2022-11-20 19:48:04,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1690468278] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:48:04,062 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:48:04,062 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 19:48:04,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812681376] [2022-11-20 19:48:04,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:48:04,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 19:48:04,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 19:48:04,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 19:48:04,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 19:48:04,064 INFO L87 Difference]: Start difference. First operand 8105 states and 11530 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-11-20 19:48:04,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:48:04,963 INFO L93 Difference]: Finished difference Result 8105 states and 11530 transitions. [2022-11-20 19:48:04,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 19:48:04,964 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 94 [2022-11-20 19:48:04,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:48:05,012 INFO L225 Difference]: With dead ends: 8105 [2022-11-20 19:48:05,012 INFO L226 Difference]: Without dead ends: 8103 [2022-11-20 19:48:05,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 19:48:05,020 INFO L413 NwaCegarLoop]: 5835 mSDtfsCounter, 5753 mSDsluCounter, 5833 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5755 SdHoareTripleChecker+Valid, 11668 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 19:48:05,020 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5755 Valid, 11668 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 19:48:05,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8103 states. [2022-11-20 19:48:06,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8103 to 8103. [2022-11-20 19:48:06,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8103 states, 5373 states have (on average 1.3061604317885724) internal successors, (7018), 5635 states have internal predecessors, (7018), 2253 states have call successors, (2253), 453 states have call predecessors, (2253), 452 states have return successors, (2257), 2208 states have call predecessors, (2257), 2251 states have call successors, (2257) [2022-11-20 19:48:06,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8103 states to 8103 states and 11528 transitions. [2022-11-20 19:48:06,223 INFO L78 Accepts]: Start accepts. Automaton has 8103 states and 11528 transitions. Word has length 94 [2022-11-20 19:48:06,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:48:06,224 INFO L495 AbstractCegarLoop]: Abstraction has 8103 states and 11528 transitions. [2022-11-20 19:48:06,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 3 states have internal predecessors, (59), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2022-11-20 19:48:06,224 INFO L276 IsEmpty]: Start isEmpty. Operand 8103 states and 11528 transitions. [2022-11-20 19:48:06,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-20 19:48:06,226 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:48:06,226 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:48:06,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 (10)] Forceful destruction successful, exit code 0 [2022-11-20 19:48:06,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:48:06,442 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-20 19:48:06,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:48:06,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1775026226, now seen corresponding path program 1 times [2022-11-20 19:48:06,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 19:48:06,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1978990169] [2022-11-20 19:48:06,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:48:06,445 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 19:48:06,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 19:48:06,451 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:48:06,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 (11)] Waiting until timeout for monitored process [2022-11-20 19:48:08,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:48:08,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 2076 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 19:48:08,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:48:09,187 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 19:48:09,187 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:48:09,187 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 19:48:09,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1978990169] [2022-11-20 19:48:09,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1978990169] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:48:09,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:48:09,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 19:48:09,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529705290] [2022-11-20 19:48:09,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:48:09,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 19:48:09,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 19:48:09,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 19:48:09,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 19:48:09,189 INFO L87 Difference]: Start difference. First operand 8103 states and 11528 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-20 19:48:10,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:48:10,163 INFO L93 Difference]: Finished difference Result 8103 states and 11528 transitions. [2022-11-20 19:48:10,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 19:48:10,163 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 100 [2022-11-20 19:48:10,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:48:10,200 INFO L225 Difference]: With dead ends: 8103 [2022-11-20 19:48:10,200 INFO L226 Difference]: Without dead ends: 8101 [2022-11-20 19:48:10,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 19:48:10,204 INFO L413 NwaCegarLoop]: 5833 mSDtfsCounter, 5745 mSDsluCounter, 5831 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5747 SdHoareTripleChecker+Valid, 11664 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 19:48:10,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5747 Valid, 11664 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 19:48:10,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8101 states. [2022-11-20 19:48:11,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8101 to 8101. [2022-11-20 19:48:11,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8101 states, 5372 states have (on average 1.306031273268801) internal successors, (7016), 5633 states have internal predecessors, (7016), 2253 states have call successors, (2253), 453 states have call predecessors, (2253), 452 states have return successors, (2257), 2208 states have call predecessors, (2257), 2251 states have call successors, (2257) [2022-11-20 19:48:11,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8101 states to 8101 states and 11526 transitions. [2022-11-20 19:48:11,296 INFO L78 Accepts]: Start accepts. Automaton has 8101 states and 11526 transitions. Word has length 100 [2022-11-20 19:48:11,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:48:11,297 INFO L495 AbstractCegarLoop]: Abstraction has 8101 states and 11526 transitions. [2022-11-20 19:48:11,297 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 3 states have internal predecessors, (63), 1 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-20 19:48:11,297 INFO L276 IsEmpty]: Start isEmpty. Operand 8101 states and 11526 transitions. [2022-11-20 19:48:11,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-20 19:48:11,299 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:48:11,300 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:48:11,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 (11)] Forceful destruction successful, exit code 0 [2022-11-20 19:48:11,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:48:11,514 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-20 19:48:11,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:48:11,515 INFO L85 PathProgramCache]: Analyzing trace with hash -1800062842, now seen corresponding path program 1 times [2022-11-20 19:48:11,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 19:48:11,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1602206980] [2022-11-20 19:48:11,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:48:11,518 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 19:48:11,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 19:48:11,519 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:48:11,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 (12)] Waiting until timeout for monitored process [2022-11-20 19:48:13,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:48:13,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 2085 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 19:48:13,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:48:14,067 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 19:48:14,068 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:48:14,068 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 19:48:14,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1602206980] [2022-11-20 19:48:14,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1602206980] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:48:14,068 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:48:14,068 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 19:48:14,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657170128] [2022-11-20 19:48:14,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:48:14,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 19:48:14,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 19:48:14,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 19:48:14,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 19:48:14,070 INFO L87 Difference]: Start difference. First operand 8101 states and 11526 transitions. Second operand has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-11-20 19:48:15,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:48:15,295 INFO L93 Difference]: Finished difference Result 8101 states and 11526 transitions. [2022-11-20 19:48:15,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 19:48:15,296 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) Word has length 106 [2022-11-20 19:48:15,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:48:15,331 INFO L225 Difference]: With dead ends: 8101 [2022-11-20 19:48:15,331 INFO L226 Difference]: Without dead ends: 8099 [2022-11-20 19:48:15,334 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 19:48:15,335 INFO L413 NwaCegarLoop]: 5830 mSDtfsCounter, 5737 mSDsluCounter, 5828 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5739 SdHoareTripleChecker+Valid, 11658 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 19:48:15,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5739 Valid, 11658 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 19:48:15,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8099 states. [2022-11-20 19:48:16,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8099 to 8099. [2022-11-20 19:48:16,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8099 states, 5371 states have (on average 1.3059020666542542) internal successors, (7014), 5631 states have internal predecessors, (7014), 2253 states have call successors, (2253), 453 states have call predecessors, (2253), 452 states have return successors, (2257), 2208 states have call predecessors, (2257), 2251 states have call successors, (2257) [2022-11-20 19:48:16,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8099 states to 8099 states and 11524 transitions. [2022-11-20 19:48:16,461 INFO L78 Accepts]: Start accepts. Automaton has 8099 states and 11524 transitions. Word has length 106 [2022-11-20 19:48:16,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:48:16,461 INFO L495 AbstractCegarLoop]: Abstraction has 8099 states and 11524 transitions. [2022-11-20 19:48:16,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.75) internal successors, (67), 3 states have internal predecessors, (67), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (16), 1 states have call predecessors, (16), 1 states have call successors, (16) [2022-11-20 19:48:16,461 INFO L276 IsEmpty]: Start isEmpty. Operand 8099 states and 11524 transitions. [2022-11-20 19:48:16,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-11-20 19:48:16,463 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:48:16,464 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:48:16,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 (12)] Forceful destruction successful, exit code 0 [2022-11-20 19:48:16,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:48:16,667 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-20 19:48:16,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:48:16,667 INFO L85 PathProgramCache]: Analyzing trace with hash 609882222, now seen corresponding path program 1 times [2022-11-20 19:48:16,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 19:48:16,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1104557895] [2022-11-20 19:48:16,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:48:16,669 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 19:48:16,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 19:48:16,670 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:48:16,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 (13)] Waiting until timeout for monitored process [2022-11-20 19:48:18,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:48:18,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 2094 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 19:48:18,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:48:19,175 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 19:48:19,176 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:48:19,176 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 19:48:19,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1104557895] [2022-11-20 19:48:19,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1104557895] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:48:19,176 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:48:19,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 19:48:19,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705507100] [2022-11-20 19:48:19,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:48:19,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 19:48:19,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 19:48:19,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 19:48:19,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 19:48:19,178 INFO L87 Difference]: Start difference. First operand 8099 states and 11524 transitions. Second operand has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-20 19:48:20,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:48:20,110 INFO L93 Difference]: Finished difference Result 8099 states and 11524 transitions. [2022-11-20 19:48:20,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 19:48:20,110 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 112 [2022-11-20 19:48:20,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:48:20,143 INFO L225 Difference]: With dead ends: 8099 [2022-11-20 19:48:20,143 INFO L226 Difference]: Without dead ends: 8097 [2022-11-20 19:48:20,147 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 19:48:20,148 INFO L413 NwaCegarLoop]: 5828 mSDtfsCounter, 5729 mSDsluCounter, 5826 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5731 SdHoareTripleChecker+Valid, 11654 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 19:48:20,148 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5731 Valid, 11654 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 19:48:20,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8097 states. [2022-11-20 19:48:21,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8097 to 8097. [2022-11-20 19:48:21,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8097 states, 5370 states have (on average 1.3057728119180634) internal successors, (7012), 5629 states have internal predecessors, (7012), 2253 states have call successors, (2253), 453 states have call predecessors, (2253), 452 states have return successors, (2257), 2208 states have call predecessors, (2257), 2251 states have call successors, (2257) [2022-11-20 19:48:21,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8097 states to 8097 states and 11522 transitions. [2022-11-20 19:48:21,575 INFO L78 Accepts]: Start accepts. Automaton has 8097 states and 11522 transitions. Word has length 112 [2022-11-20 19:48:21,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:48:21,575 INFO L495 AbstractCegarLoop]: Abstraction has 8097 states and 11522 transitions. [2022-11-20 19:48:21,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.75) internal successors, (71), 3 states have internal predecessors, (71), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-20 19:48:21,576 INFO L276 IsEmpty]: Start isEmpty. Operand 8097 states and 11522 transitions. [2022-11-20 19:48:21,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-11-20 19:48:21,578 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:48:21,579 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:48:21,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 (13)] Forceful destruction successful, exit code 0 [2022-11-20 19:48:21,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:48:21,779 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-20 19:48:21,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:48:21,780 INFO L85 PathProgramCache]: Analyzing trace with hash -548791128, now seen corresponding path program 1 times [2022-11-20 19:48:21,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 19:48:21,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1439758892] [2022-11-20 19:48:21,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:48:21,782 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 19:48:21,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 19:48:21,783 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:48:21,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 (14)] Waiting until timeout for monitored process [2022-11-20 19:48:23,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:48:23,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 2103 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 19:48:23,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:48:24,391 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 19:48:24,391 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:48:24,391 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 19:48:24,392 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1439758892] [2022-11-20 19:48:24,392 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1439758892] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:48:24,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:48:24,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 19:48:24,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840604897] [2022-11-20 19:48:24,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:48:24,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 19:48:24,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 19:48:24,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 19:48:24,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 19:48:24,395 INFO L87 Difference]: Start difference. First operand 8097 states and 11522 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-20 19:48:25,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:48:25,810 INFO L93 Difference]: Finished difference Result 11823 states and 16815 transitions. [2022-11-20 19:48:25,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 19:48:25,810 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 118 [2022-11-20 19:48:25,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:48:25,866 INFO L225 Difference]: With dead ends: 11823 [2022-11-20 19:48:25,866 INFO L226 Difference]: Without dead ends: 11821 [2022-11-20 19:48:25,874 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 19:48:25,874 INFO L413 NwaCegarLoop]: 7393 mSDtfsCounter, 5146 mSDsluCounter, 13249 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5148 SdHoareTripleChecker+Valid, 20642 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 19:48:25,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5148 Valid, 20642 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 19:48:25,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11821 states. [2022-11-20 19:48:27,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11821 to 11717. [2022-11-20 19:48:27,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11717 states, 7780 states have (on average 1.3055269922879178) internal successors, (10157), 8153 states have internal predecessors, (10157), 3255 states have call successors, (3255), 663 states have call predecessors, (3255), 660 states have return successors, (3294), 3177 states have call predecessors, (3294), 3253 states have call successors, (3294) [2022-11-20 19:48:27,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11717 states to 11717 states and 16706 transitions. [2022-11-20 19:48:27,590 INFO L78 Accepts]: Start accepts. Automaton has 11717 states and 16706 transitions. Word has length 118 [2022-11-20 19:48:27,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:48:27,591 INFO L495 AbstractCegarLoop]: Abstraction has 11717 states and 16706 transitions. [2022-11-20 19:48:27,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 3 states have internal predecessors, (75), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-11-20 19:48:27,591 INFO L276 IsEmpty]: Start isEmpty. Operand 11717 states and 16706 transitions. [2022-11-20 19:48:27,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-20 19:48:27,594 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:48:27,594 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:48:27,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 (14)] Forceful destruction successful, exit code 0 [2022-11-20 19:48:27,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:48:27,803 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-20 19:48:27,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:48:27,804 INFO L85 PathProgramCache]: Analyzing trace with hash 786566461, now seen corresponding path program 1 times [2022-11-20 19:48:27,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 19:48:27,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [91826188] [2022-11-20 19:48:27,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:48:27,805 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 19:48:27,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 19:48:27,806 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:48:27,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 (15)] Waiting until timeout for monitored process [2022-11-20 19:48:29,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:48:29,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 2112 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 19:48:29,375 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:48:30,244 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 19:48:30,245 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:48:30,245 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 19:48:30,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [91826188] [2022-11-20 19:48:30,245 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [91826188] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:48:30,245 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:48:30,245 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 19:48:30,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093539765] [2022-11-20 19:48:30,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:48:30,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 19:48:30,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 19:48:30,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 19:48:30,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 19:48:30,247 INFO L87 Difference]: Start difference. First operand 11717 states and 16706 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-11-20 19:48:31,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:48:31,782 INFO L93 Difference]: Finished difference Result 11717 states and 16706 transitions. [2022-11-20 19:48:31,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 19:48:31,783 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 124 [2022-11-20 19:48:31,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:48:31,835 INFO L225 Difference]: With dead ends: 11717 [2022-11-20 19:48:31,835 INFO L226 Difference]: Without dead ends: 11715 [2022-11-20 19:48:31,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 19:48:31,842 INFO L413 NwaCegarLoop]: 5826 mSDtfsCounter, 5715 mSDsluCounter, 5824 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5717 SdHoareTripleChecker+Valid, 11650 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 19:48:31,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5717 Valid, 11650 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 19:48:31,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11715 states. [2022-11-20 19:48:33,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11715 to 11715. [2022-11-20 19:48:33,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11715 states, 7779 states have (on average 1.3054377169301967) internal successors, (10155), 8151 states have internal predecessors, (10155), 3255 states have call successors, (3255), 663 states have call predecessors, (3255), 660 states have return successors, (3294), 3177 states have call predecessors, (3294), 3253 states have call successors, (3294) [2022-11-20 19:48:33,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11715 states to 11715 states and 16704 transitions. [2022-11-20 19:48:33,811 INFO L78 Accepts]: Start accepts. Automaton has 11715 states and 16704 transitions. Word has length 124 [2022-11-20 19:48:33,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:48:33,812 INFO L495 AbstractCegarLoop]: Abstraction has 11715 states and 16704 transitions. [2022-11-20 19:48:33,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2022-11-20 19:48:33,812 INFO L276 IsEmpty]: Start isEmpty. Operand 11715 states and 16704 transitions. [2022-11-20 19:48:33,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-20 19:48:33,814 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:48:33,814 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:48:33,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 (15)] Forceful destruction successful, exit code 0 [2022-11-20 19:48:34,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:48:34,030 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-20 19:48:34,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:48:34,031 INFO L85 PathProgramCache]: Analyzing trace with hash 1875155755, now seen corresponding path program 1 times [2022-11-20 19:48:34,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 19:48:34,033 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1121115287] [2022-11-20 19:48:34,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:48:34,033 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 19:48:34,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 19:48:34,034 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:48:34,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 (16)] Waiting until timeout for monitored process [2022-11-20 19:48:35,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:48:35,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 2121 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 19:48:35,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:48:36,664 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 19:48:36,665 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:48:36,665 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 19:48:36,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1121115287] [2022-11-20 19:48:36,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1121115287] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:48:36,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:48:36,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 19:48:36,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697683014] [2022-11-20 19:48:36,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:48:36,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 19:48:36,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 19:48:36,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 19:48:36,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 19:48:36,668 INFO L87 Difference]: Start difference. First operand 11715 states and 16704 transitions. Second operand has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-20 19:48:38,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:48:38,561 INFO L93 Difference]: Finished difference Result 11715 states and 16704 transitions. [2022-11-20 19:48:38,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 19:48:38,562 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 130 [2022-11-20 19:48:38,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:48:38,616 INFO L225 Difference]: With dead ends: 11715 [2022-11-20 19:48:38,616 INFO L226 Difference]: Without dead ends: 11713 [2022-11-20 19:48:38,626 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 19:48:38,626 INFO L413 NwaCegarLoop]: 5825 mSDtfsCounter, 5707 mSDsluCounter, 5823 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5709 SdHoareTripleChecker+Valid, 11648 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 19:48:38,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5709 Valid, 11648 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 19:48:38,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11713 states. [2022-11-20 19:48:40,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11713 to 11713. [2022-11-20 19:48:40,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11713 states, 7778 states have (on average 1.3053484186166109) internal successors, (10153), 8149 states have internal predecessors, (10153), 3255 states have call successors, (3255), 663 states have call predecessors, (3255), 660 states have return successors, (3294), 3177 states have call predecessors, (3294), 3253 states have call successors, (3294) [2022-11-20 19:48:40,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11713 states to 11713 states and 16702 transitions. [2022-11-20 19:48:40,584 INFO L78 Accepts]: Start accepts. Automaton has 11713 states and 16702 transitions. Word has length 130 [2022-11-20 19:48:40,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:48:40,584 INFO L495 AbstractCegarLoop]: Abstraction has 11713 states and 16702 transitions. [2022-11-20 19:48:40,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.75) internal successors, (83), 3 states have internal predecessors, (83), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2022-11-20 19:48:40,585 INFO L276 IsEmpty]: Start isEmpty. Operand 11713 states and 16702 transitions. [2022-11-20 19:48:40,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-11-20 19:48:40,587 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:48:40,587 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:48:40,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 (16)] Forceful destruction successful, exit code 0 [2022-11-20 19:48:40,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:48:40,800 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-20 19:48:40,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:48:40,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1217568182, now seen corresponding path program 1 times [2022-11-20 19:48:40,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 19:48:40,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1252437007] [2022-11-20 19:48:40,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:48:40,803 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 19:48:40,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 19:48:40,805 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:48:40,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 (17)] Waiting until timeout for monitored process [2022-11-20 19:48:42,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:48:42,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 2130 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 19:48:42,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:48:43,410 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 19:48:43,411 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:48:43,411 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 19:48:43,411 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1252437007] [2022-11-20 19:48:43,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1252437007] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:48:43,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:48:43,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 19:48:43,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769036597] [2022-11-20 19:48:43,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:48:43,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 19:48:43,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 19:48:43,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 19:48:43,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 19:48:43,413 INFO L87 Difference]: Start difference. First operand 11713 states and 16702 transitions. Second operand has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2022-11-20 19:48:45,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:48:45,353 INFO L93 Difference]: Finished difference Result 11713 states and 16702 transitions. [2022-11-20 19:48:45,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 19:48:45,354 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 136 [2022-11-20 19:48:45,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:48:45,402 INFO L225 Difference]: With dead ends: 11713 [2022-11-20 19:48:45,402 INFO L226 Difference]: Without dead ends: 11711 [2022-11-20 19:48:45,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 19:48:45,410 INFO L413 NwaCegarLoop]: 5823 mSDtfsCounter, 5699 mSDsluCounter, 5821 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5701 SdHoareTripleChecker+Valid, 11644 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 19:48:45,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5701 Valid, 11644 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 19:48:45,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11711 states. [2022-11-20 19:48:47,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11711 to 11711. [2022-11-20 19:48:47,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11711 states, 7777 states have (on average 1.3052590973383054) internal successors, (10151), 8147 states have internal predecessors, (10151), 3255 states have call successors, (3255), 663 states have call predecessors, (3255), 660 states have return successors, (3294), 3177 states have call predecessors, (3294), 3253 states have call successors, (3294) [2022-11-20 19:48:47,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11711 states to 11711 states and 16700 transitions. [2022-11-20 19:48:47,552 INFO L78 Accepts]: Start accepts. Automaton has 11711 states and 16700 transitions. Word has length 136 [2022-11-20 19:48:47,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:48:47,553 INFO L495 AbstractCegarLoop]: Abstraction has 11711 states and 16700 transitions. [2022-11-20 19:48:47,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.75) internal successors, (87), 3 states have internal predecessors, (87), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2022-11-20 19:48:47,553 INFO L276 IsEmpty]: Start isEmpty. Operand 11711 states and 16700 transitions. [2022-11-20 19:48:47,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-11-20 19:48:47,557 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:48:47,558 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:48:47,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 (17)] Forceful destruction successful, exit code 0 [2022-11-20 19:48:47,774 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:48:47,774 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-20 19:48:47,774 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:48:47,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1203396700, now seen corresponding path program 1 times [2022-11-20 19:48:47,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 19:48:47,777 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1777545194] [2022-11-20 19:48:47,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:48:47,777 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 19:48:47,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 19:48:47,778 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:48:47,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 (18)] Waiting until timeout for monitored process [2022-11-20 19:48:49,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:48:49,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 2139 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 19:48:49,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:48:50,474 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 19:48:50,474 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:48:50,474 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 19:48:50,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1777545194] [2022-11-20 19:48:50,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1777545194] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:48:50,474 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:48:50,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 19:48:50,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655119062] [2022-11-20 19:48:50,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:48:50,475 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 19:48:50,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 19:48:50,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 19:48:50,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 19:48:50,476 INFO L87 Difference]: Start difference. First operand 11711 states and 16700 transitions. Second operand has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-20 19:48:52,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:48:52,418 INFO L93 Difference]: Finished difference Result 11711 states and 16700 transitions. [2022-11-20 19:48:52,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 19:48:52,418 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 142 [2022-11-20 19:48:52,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:48:52,450 INFO L225 Difference]: With dead ends: 11711 [2022-11-20 19:48:52,450 INFO L226 Difference]: Without dead ends: 11709 [2022-11-20 19:48:52,454 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 19:48:52,454 INFO L413 NwaCegarLoop]: 5821 mSDtfsCounter, 5691 mSDsluCounter, 5819 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5693 SdHoareTripleChecker+Valid, 11640 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 19:48:52,455 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5693 Valid, 11640 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 19:48:52,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11709 states. [2022-11-20 19:48:54,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11709 to 11709. [2022-11-20 19:48:54,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11709 states, 7776 states have (on average 1.3051697530864197) internal successors, (10149), 8145 states have internal predecessors, (10149), 3255 states have call successors, (3255), 663 states have call predecessors, (3255), 660 states have return successors, (3294), 3177 states have call predecessors, (3294), 3253 states have call successors, (3294) [2022-11-20 19:48:54,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11709 states to 11709 states and 16698 transitions. [2022-11-20 19:48:54,618 INFO L78 Accepts]: Start accepts. Automaton has 11709 states and 16698 transitions. Word has length 142 [2022-11-20 19:48:54,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:48:54,619 INFO L495 AbstractCegarLoop]: Abstraction has 11709 states and 16698 transitions. [2022-11-20 19:48:54,619 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.75) internal successors, (91), 3 states have internal predecessors, (91), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-20 19:48:54,619 INFO L276 IsEmpty]: Start isEmpty. Operand 11709 states and 16698 transitions. [2022-11-20 19:48:54,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-11-20 19:48:54,624 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:48:54,624 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:48:54,660 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 (18)] Forceful destruction successful, exit code 0 [2022-11-20 19:48:54,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:48:54,838 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-20 19:48:54,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:48:54,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1225691468, now seen corresponding path program 1 times [2022-11-20 19:48:54,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 19:48:54,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1843931655] [2022-11-20 19:48:54,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:48:54,840 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 19:48:54,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 19:48:54,841 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:48:54,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 (19)] Waiting until timeout for monitored process [2022-11-20 19:48:56,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:48:56,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 2148 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 19:48:56,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:48:57,386 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 19:48:57,386 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:48:57,386 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 19:48:57,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1843931655] [2022-11-20 19:48:57,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1843931655] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:48:57,386 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:48:57,386 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 19:48:57,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921564108] [2022-11-20 19:48:57,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:48:57,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 19:48:57,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 19:48:57,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 19:48:57,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 19:48:57,391 INFO L87 Difference]: Start difference. First operand 11709 states and 16698 transitions. Second operand has 4 states, 4 states have (on average 23.75) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2022-11-20 19:48:59,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:48:59,763 INFO L93 Difference]: Finished difference Result 11709 states and 16698 transitions. [2022-11-20 19:48:59,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 19:48:59,764 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 148 [2022-11-20 19:48:59,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:48:59,805 INFO L225 Difference]: With dead ends: 11709 [2022-11-20 19:48:59,805 INFO L226 Difference]: Without dead ends: 11707 [2022-11-20 19:48:59,809 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 19:48:59,810 INFO L413 NwaCegarLoop]: 5819 mSDtfsCounter, 5683 mSDsluCounter, 5817 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5685 SdHoareTripleChecker+Valid, 11636 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 19:48:59,810 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5685 Valid, 11636 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 19:48:59,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11707 states. [2022-11-20 19:49:01,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11707 to 11707. [2022-11-20 19:49:01,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11707 states, 7775 states have (on average 1.30508038585209) internal successors, (10147), 8143 states have internal predecessors, (10147), 3255 states have call successors, (3255), 663 states have call predecessors, (3255), 660 states have return successors, (3294), 3177 states have call predecessors, (3294), 3253 states have call successors, (3294) [2022-11-20 19:49:01,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11707 states to 11707 states and 16696 transitions. [2022-11-20 19:49:01,998 INFO L78 Accepts]: Start accepts. Automaton has 11707 states and 16696 transitions. Word has length 148 [2022-11-20 19:49:01,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:49:01,999 INFO L495 AbstractCegarLoop]: Abstraction has 11707 states and 16696 transitions. [2022-11-20 19:49:01,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.75) internal successors, (95), 3 states have internal predecessors, (95), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2022-11-20 19:49:02,000 INFO L276 IsEmpty]: Start isEmpty. Operand 11707 states and 16696 transitions. [2022-11-20 19:49:02,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-11-20 19:49:02,003 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:49:02,003 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:49:02,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 (19)] Forceful destruction successful, exit code 0 [2022-11-20 19:49:02,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:49:02,209 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-20 19:49:02,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:49:02,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1051543199, now seen corresponding path program 1 times [2022-11-20 19:49:02,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 19:49:02,211 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [444267095] [2022-11-20 19:49:02,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:49:02,211 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 19:49:02,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 19:49:02,212 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:49:02,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 (20)] Waiting until timeout for monitored process [2022-11-20 19:49:03,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:49:03,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 2157 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 19:49:03,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:49:04,900 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 19:49:04,901 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:49:04,901 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 19:49:04,901 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [444267095] [2022-11-20 19:49:04,901 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [444267095] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:49:04,901 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:49:04,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 19:49:04,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311661243] [2022-11-20 19:49:04,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:49:04,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 19:49:04,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 19:49:04,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 19:49:04,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 19:49:04,903 INFO L87 Difference]: Start difference. First operand 11707 states and 16696 transitions. Second operand has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2022-11-20 19:49:06,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:49:06,782 INFO L93 Difference]: Finished difference Result 11707 states and 16696 transitions. [2022-11-20 19:49:06,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 19:49:06,782 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 154 [2022-11-20 19:49:06,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:49:06,823 INFO L225 Difference]: With dead ends: 11707 [2022-11-20 19:49:06,824 INFO L226 Difference]: Without dead ends: 11705 [2022-11-20 19:49:06,828 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 19:49:06,829 INFO L413 NwaCegarLoop]: 5817 mSDtfsCounter, 5675 mSDsluCounter, 5815 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5677 SdHoareTripleChecker+Valid, 11632 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 19:49:06,829 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5677 Valid, 11632 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 19:49:06,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11705 states. [2022-11-20 19:49:08,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11705 to 11705. [2022-11-20 19:49:08,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11705 states, 7774 states have (on average 1.3049909956264472) internal successors, (10145), 8141 states have internal predecessors, (10145), 3255 states have call successors, (3255), 663 states have call predecessors, (3255), 660 states have return successors, (3294), 3177 states have call predecessors, (3294), 3253 states have call successors, (3294) [2022-11-20 19:49:08,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11705 states to 11705 states and 16694 transitions. [2022-11-20 19:49:08,774 INFO L78 Accepts]: Start accepts. Automaton has 11705 states and 16694 transitions. Word has length 154 [2022-11-20 19:49:08,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:49:08,775 INFO L495 AbstractCegarLoop]: Abstraction has 11705 states and 16694 transitions. [2022-11-20 19:49:08,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 3 states have internal predecessors, (99), 1 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2022-11-20 19:49:08,775 INFO L276 IsEmpty]: Start isEmpty. Operand 11705 states and 16694 transitions. [2022-11-20 19:49:08,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-11-20 19:49:08,778 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:49:08,779 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:49:08,807 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 (20)] Forceful destruction successful, exit code 0 [2022-11-20 19:49:08,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:49:08,979 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-20 19:49:08,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:49:08,980 INFO L85 PathProgramCache]: Analyzing trace with hash -2128323722, now seen corresponding path program 1 times [2022-11-20 19:49:08,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 19:49:08,981 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [807391663] [2022-11-20 19:49:08,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:49:08,982 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 19:49:08,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 19:49:08,982 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:49:08,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 (21)] Waiting until timeout for monitored process [2022-11-20 19:49:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:49:10,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 2166 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 19:49:10,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:49:11,788 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 19:49:11,789 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:49:11,789 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 19:49:11,789 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [807391663] [2022-11-20 19:49:11,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [807391663] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:49:11,789 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:49:11,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 19:49:11,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826405412] [2022-11-20 19:49:11,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:49:11,790 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 19:49:11,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 19:49:11,791 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 19:49:11,791 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 19:49:11,791 INFO L87 Difference]: Start difference. First operand 11705 states and 16694 transitions. Second operand has 4 states, 4 states have (on average 25.75) internal successors, (103), 3 states have internal predecessors, (103), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2022-11-20 19:49:13,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:49:13,958 INFO L93 Difference]: Finished difference Result 11705 states and 16694 transitions. [2022-11-20 19:49:13,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 19:49:13,959 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 3 states have internal predecessors, (103), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) Word has length 160 [2022-11-20 19:49:13,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:49:14,004 INFO L225 Difference]: With dead ends: 11705 [2022-11-20 19:49:14,004 INFO L226 Difference]: Without dead ends: 11703 [2022-11-20 19:49:14,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 19:49:14,011 INFO L413 NwaCegarLoop]: 5815 mSDtfsCounter, 5667 mSDsluCounter, 5813 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5669 SdHoareTripleChecker+Valid, 11628 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 19:49:14,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5669 Valid, 11628 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 19:49:14,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11703 states. [2022-11-20 19:49:16,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11703 to 11703. [2022-11-20 19:49:16,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11703 states, 7773 states have (on average 1.3049015824006176) internal successors, (10143), 8139 states have internal predecessors, (10143), 3255 states have call successors, (3255), 663 states have call predecessors, (3255), 660 states have return successors, (3294), 3177 states have call predecessors, (3294), 3253 states have call successors, (3294) [2022-11-20 19:49:16,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11703 states to 11703 states and 16692 transitions. [2022-11-20 19:49:16,453 INFO L78 Accepts]: Start accepts. Automaton has 11703 states and 16692 transitions. Word has length 160 [2022-11-20 19:49:16,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:49:16,453 INFO L495 AbstractCegarLoop]: Abstraction has 11703 states and 16692 transitions. [2022-11-20 19:49:16,453 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 3 states have internal predecessors, (103), 1 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (25), 1 states have call predecessors, (25), 1 states have call successors, (25) [2022-11-20 19:49:16,453 INFO L276 IsEmpty]: Start isEmpty. Operand 11703 states and 16692 transitions. [2022-11-20 19:49:16,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2022-11-20 19:49:16,457 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:49:16,457 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:49:16,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 (21)] Ended with exit code 0 [2022-11-20 19:49:16,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:49:16,680 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-20 19:49:16,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:49:16,681 INFO L85 PathProgramCache]: Analyzing trace with hash -951767282, now seen corresponding path program 1 times [2022-11-20 19:49:16,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 19:49:16,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1906836288] [2022-11-20 19:49:16,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:49:16,682 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 19:49:16,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 19:49:16,684 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:49:16,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 (22)] Waiting until timeout for monitored process [2022-11-20 19:49:18,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:49:18,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 2175 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 19:49:18,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:49:19,536 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 19:49:19,536 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:49:19,537 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 19:49:19,537 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1906836288] [2022-11-20 19:49:19,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1906836288] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:49:19,537 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:49:19,537 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 19:49:19,537 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679030081] [2022-11-20 19:49:19,537 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:49:19,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 19:49:19,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 19:49:19,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 19:49:19,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 19:49:19,539 INFO L87 Difference]: Start difference. First operand 11703 states and 16692 transitions. Second operand has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-11-20 19:49:21,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:49:21,746 INFO L93 Difference]: Finished difference Result 11703 states and 16692 transitions. [2022-11-20 19:49:21,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 19:49:21,746 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 166 [2022-11-20 19:49:21,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:49:21,795 INFO L225 Difference]: With dead ends: 11703 [2022-11-20 19:49:21,795 INFO L226 Difference]: Without dead ends: 11501 [2022-11-20 19:49:21,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 19:49:21,807 INFO L413 NwaCegarLoop]: 5814 mSDtfsCounter, 5658 mSDsluCounter, 5814 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5658 SdHoareTripleChecker+Valid, 11628 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 19:49:21,807 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5658 Valid, 11628 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 19:49:21,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11501 states. [2022-11-20 19:49:23,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11501 to 11501. [2022-11-20 19:49:23,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11501 states, 7650 states have (on average 1.3090196078431373) internal successors, (10014), 8014 states have internal predecessors, (10014), 3201 states have call successors, (3201), 639 states have call predecessors, (3201), 636 states have return successors, (3239), 3124 states have call predecessors, (3239), 3199 states have call successors, (3239) [2022-11-20 19:49:24,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11501 states to 11501 states and 16454 transitions. [2022-11-20 19:49:24,035 INFO L78 Accepts]: Start accepts. Automaton has 11501 states and 16454 transitions. Word has length 166 [2022-11-20 19:49:24,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:49:24,035 INFO L495 AbstractCegarLoop]: Abstraction has 11501 states and 16454 transitions. [2022-11-20 19:49:24,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.75) internal successors, (107), 3 states have internal predecessors, (107), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-11-20 19:49:24,036 INFO L276 IsEmpty]: Start isEmpty. Operand 11501 states and 16454 transitions. [2022-11-20 19:49:24,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2022-11-20 19:49:24,039 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:49:24,039 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:49:24,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 (22)] Forceful destruction successful, exit code 0 [2022-11-20 19:49:24,262 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:49:24,263 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting rcu_read_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-20 19:49:24,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:49:24,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1379892640, now seen corresponding path program 1 times [2022-11-20 19:49:24,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 19:49:24,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [669178036] [2022-11-20 19:49:24,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:49:24,265 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 19:49:24,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 19:49:24,266 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:49:24,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 (23)] Waiting until timeout for monitored process [2022-11-20 19:49:26,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:49:26,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 2602 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-20 19:49:26,821 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:49:28,444 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 276 proven. 0 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2022-11-20 19:49:28,444 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:49:28,444 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 19:49:28,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [669178036] [2022-11-20 19:49:28,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [669178036] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:49:28,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:49:28,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-20 19:49:28,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161480291] [2022-11-20 19:49:28,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:49:28,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-20 19:49:28,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 19:49:28,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-20 19:49:28,447 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-11-20 19:49:28,447 INFO L87 Difference]: Start difference. First operand 11501 states and 16454 transitions. Second operand has 13 states, 10 states have (on average 8.7) internal successors, (87), 9 states have internal predecessors, (87), 5 states have call successors, (26), 2 states have call predecessors, (26), 5 states have return successors, (22), 6 states have call predecessors, (22), 5 states have call successors, (22) [2022-11-20 19:49:34,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:49:34,443 INFO L93 Difference]: Finished difference Result 23008 states and 32934 transitions. [2022-11-20 19:49:34,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-20 19:49:34,444 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 8.7) internal successors, (87), 9 states have internal predecessors, (87), 5 states have call successors, (26), 2 states have call predecessors, (26), 5 states have return successors, (22), 6 states have call predecessors, (22), 5 states have call successors, (22) Word has length 236 [2022-11-20 19:49:34,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:49:34,485 INFO L225 Difference]: With dead ends: 23008 [2022-11-20 19:49:34,485 INFO L226 Difference]: Without dead ends: 11516 [2022-11-20 19:49:34,555 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2022-11-20 19:49:34,556 INFO L413 NwaCegarLoop]: 5711 mSDtfsCounter, 156 mSDsluCounter, 56761 mSDsCounter, 0 mSdLazyCounter, 596 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 62472 SdHoareTripleChecker+Invalid, 602 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 596 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-20 19:49:34,557 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 62472 Invalid, 602 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6 Valid, 596 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-20 19:49:34,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11516 states. [2022-11-20 19:49:36,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11516 to 11501. [2022-11-20 19:49:36,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11501 states, 7650 states have (on average 1.3086274509803921) internal successors, (10011), 8011 states have internal predecessors, (10011), 3201 states have call successors, (3201), 639 states have call predecessors, (3201), 636 states have return successors, (3239), 3124 states have call predecessors, (3239), 3199 states have call successors, (3239) [2022-11-20 19:49:36,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11501 states to 11501 states and 16451 transitions. [2022-11-20 19:49:37,001 INFO L78 Accepts]: Start accepts. Automaton has 11501 states and 16451 transitions. Word has length 236 [2022-11-20 19:49:37,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:49:37,001 INFO L495 AbstractCegarLoop]: Abstraction has 11501 states and 16451 transitions. [2022-11-20 19:49:37,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 8.7) internal successors, (87), 9 states have internal predecessors, (87), 5 states have call successors, (26), 2 states have call predecessors, (26), 5 states have return successors, (22), 6 states have call predecessors, (22), 5 states have call successors, (22) [2022-11-20 19:49:37,002 INFO L276 IsEmpty]: Start isEmpty. Operand 11501 states and 16451 transitions. [2022-11-20 19:49:37,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2022-11-20 19:49:37,005 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:49:37,005 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 16, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:49:37,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 (23)] Forceful destruction successful, exit code 0 [2022-11-20 19:49:37,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:49:37,222 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting rcu_read_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-20 19:49:37,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:49:37,223 INFO L85 PathProgramCache]: Analyzing trace with hash 2079685241, now seen corresponding path program 1 times [2022-11-20 19:49:37,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 19:49:37,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1407161580] [2022-11-20 19:49:37,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:49:37,226 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 19:49:37,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 19:49:37,227 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:49:37,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 (24)] Waiting until timeout for monitored process [2022-11-20 19:49:39,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:49:39,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 2601 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-20 19:49:39,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:49:41,114 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 276 proven. 0 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2022-11-20 19:49:41,115 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 19:49:41,115 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 19:49:41,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1407161580] [2022-11-20 19:49:41,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1407161580] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 19:49:41,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 19:49:41,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-20 19:49:41,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13882247] [2022-11-20 19:49:41,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:49:41,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-20 19:49:41,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 19:49:41,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-20 19:49:41,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-11-20 19:49:41,118 INFO L87 Difference]: Start difference. First operand 11501 states and 16451 transitions. Second operand has 13 states, 10 states have (on average 8.6) internal successors, (86), 9 states have internal predecessors, (86), 5 states have call successors, (26), 2 states have call predecessors, (26), 5 states have return successors, (22), 6 states have call predecessors, (22), 5 states have call successors, (22) [2022-11-20 19:49:45,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 19:49:45,901 INFO L93 Difference]: Finished difference Result 23008 states and 32928 transitions. [2022-11-20 19:49:45,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-20 19:49:45,902 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 8.6) internal successors, (86), 9 states have internal predecessors, (86), 5 states have call successors, (26), 2 states have call predecessors, (26), 5 states have return successors, (22), 6 states have call predecessors, (22), 5 states have call successors, (22) Word has length 235 [2022-11-20 19:49:45,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 19:49:45,945 INFO L225 Difference]: With dead ends: 23008 [2022-11-20 19:49:45,946 INFO L226 Difference]: Without dead ends: 11516 [2022-11-20 19:49:45,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2022-11-20 19:49:45,994 INFO L413 NwaCegarLoop]: 5711 mSDtfsCounter, 158 mSDsluCounter, 39646 mSDsCounter, 0 mSdLazyCounter, 470 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 45357 SdHoareTripleChecker+Invalid, 477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-20 19:49:45,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 45357 Invalid, 477 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7 Valid, 470 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-20 19:49:46,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11516 states. [2022-11-20 19:49:48,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11516 to 11501. [2022-11-20 19:49:48,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11501 states, 7650 states have (on average 1.3082352941176472) internal successors, (10008), 8008 states have internal predecessors, (10008), 3201 states have call successors, (3201), 639 states have call predecessors, (3201), 636 states have return successors, (3239), 3124 states have call predecessors, (3239), 3199 states have call successors, (3239) [2022-11-20 19:49:48,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11501 states to 11501 states and 16448 transitions. [2022-11-20 19:49:48,084 INFO L78 Accepts]: Start accepts. Automaton has 11501 states and 16448 transitions. Word has length 235 [2022-11-20 19:49:48,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 19:49:48,084 INFO L495 AbstractCegarLoop]: Abstraction has 11501 states and 16448 transitions. [2022-11-20 19:49:48,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 8.6) internal successors, (86), 9 states have internal predecessors, (86), 5 states have call successors, (26), 2 states have call predecessors, (26), 5 states have return successors, (22), 6 states have call predecessors, (22), 5 states have call successors, (22) [2022-11-20 19:49:48,085 INFO L276 IsEmpty]: Start isEmpty. Operand 11501 states and 16448 transitions. [2022-11-20 19:49:48,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2022-11-20 19:49:48,087 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 19:49:48,087 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 3, 3, 3, 3, 3, 3, 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] [2022-11-20 19:49:48,126 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 (24)] Forceful destruction successful, exit code 0 [2022-11-20 19:49:48,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:49:48,288 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting rcu_read_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-20 19:49:48,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 19:49:48,288 INFO L85 PathProgramCache]: Analyzing trace with hash 153093466, now seen corresponding path program 1 times [2022-11-20 19:49:48,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-20 19:49:48,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1509293666] [2022-11-20 19:49:48,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 19:49:48,290 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 19:49:48,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/mathsat [2022-11-20 19:49:48,292 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:49:48,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 (25)] Waiting until timeout for monitored process [2022-11-20 19:49:51,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 19:49:51,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 2749 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-20 19:49:51,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 19:49:53,432 INFO L134 CoverageAnalysis]: Checked inductivity of 898 backedges. 138 proven. 16 refuted. 0 times theorem prover too weak. 744 trivial. 0 not checked. [2022-11-20 19:49:53,432 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 19:49:55,286 INFO L134 CoverageAnalysis]: Checked inductivity of 898 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 890 trivial. 0 not checked. [2022-11-20 19:49:55,286 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-20 19:49:55,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1509293666] [2022-11-20 19:49:55,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1509293666] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-20 19:49:55,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-20 19:49:55,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2022-11-20 19:49:55,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353927782] [2022-11-20 19:49:55,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 19:49:55,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 19:49:55,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-20 19:49:55,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 19:49:55,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-11-20 19:49:55,289 INFO L87 Difference]: Start difference. First operand 11501 states and 16448 transitions. Second operand has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 4 states have call successors, (30), 4 states have call predecessors, (30), 3 states have return successors, (26), 4 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-20 19:50:01,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 19:50:13,756 WARN L230 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2022-11-20 19:50:13,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2022-11-20 19:50:13,757 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 571 GetRequests, 558 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2022-11-20 19:50:13,758 INFO L413 NwaCegarLoop]: 928 mSDtfsCounter, 978 mSDsluCounter, 1244 mSDsCounter, 0 mSdLazyCounter, 734 mSolverCounterSat, 68 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 988 SdHoareTripleChecker+Valid, 2172 SdHoareTripleChecker+Invalid, 804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 734 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2022-11-20 19:50:13,758 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [988 Valid, 2172 Invalid, 804 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 734 Invalid, 1 Unknown, 0 Unchecked, 8.0s Time] [2022-11-20 19:50:13,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 (25)] Forceful destruction successful, exit code 0 [2022-11-20 19:50:13,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/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 19:50:13,959 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Connection to SMT solver broken at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.convertIOException(Executor.java:314) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:158) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:139) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:99) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.pop(WrapperScript.java:153) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.pop(HistoryRecordingScript.java:117) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.pop(ManagedScript.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.unAssertPrecondition(IncrementalHoareTripleChecker.java:349) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.clearAssertionStack(IncrementalHoareTripleChecker.java:272) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.releaseLock(IncrementalHoareTripleChecker.java:284) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker$ProtectedHtc.releaseLock(ChainingHoareTripleChecker.java:449) at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1655) at java.base/java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:658) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker.releaseLock(ChainingHoareTripleChecker.java:98) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.releaseLock(CachingHoareTripleChecker.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.switchToReadonlyMode(AbstractInterpolantAutomaton.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.computeAutomataDifference(NwaCegarLoop.java:365) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.refineAbstraction(NwaCegarLoop.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:487) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) 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) Caused by: java.io.IOException: Stream closed at java.base/java.lang.ProcessBuilder$NullOutputStream.write(ProcessBuilder.java:442) at java.base/java.io.OutputStream.write(OutputStream.java:157) at java.base/java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:81) at java.base/java.io.BufferedOutputStream.flush(BufferedOutputStream.java:142) at java.base/sun.nio.cs.StreamEncoder.implFlush(StreamEncoder.java:318) at java.base/sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:153) at java.base/java.io.OutputStreamWriter.flush(OutputStreamWriter.java:251) at java.base/java.io.BufferedWriter.flush(BufferedWriter.java:257) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:156) ... 36 more [2022-11-20 19:50:13,964 INFO L158 Benchmark]: Toolchain (without parser) took 263340.57ms. Allocated memory was 90.2MB in the beginning and 3.5GB in the end (delta: 3.4GB). Free memory was 55.4MB in the beginning and 1.5GB in the end (delta: -1.5GB). Peak memory consumption was 1.9GB. Max. memory is 16.1GB. [2022-11-20 19:50:13,964 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 90.2MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 19:50:13,964 INFO L158 Benchmark]: CACSL2BoogieTranslator took 12555.72ms. Allocated memory was 90.2MB in the beginning and 337.6MB in the end (delta: 247.5MB). Free memory was 55.2MB in the beginning and 145.0MB in the end (delta: -89.9MB). Peak memory consumption was 224.2MB. Max. memory is 16.1GB. [2022-11-20 19:50:13,964 INFO L158 Benchmark]: Boogie Procedure Inliner took 616.34ms. Allocated memory is still 337.6MB. Free memory was 145.0MB in the beginning and 186.2MB in the end (delta: -41.2MB). Peak memory consumption was 68.9MB. Max. memory is 16.1GB. [2022-11-20 19:50:13,965 INFO L158 Benchmark]: Boogie Preprocessor took 420.13ms. Allocated memory is still 337.6MB. Free memory was 186.2MB in the beginning and 114.9MB in the end (delta: 71.3MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. [2022-11-20 19:50:13,965 INFO L158 Benchmark]: RCFGBuilder took 85938.87ms. Allocated memory was 337.6MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 114.9MB in the beginning and 1.1GB in the end (delta: -992.3MB). Peak memory consumption was 365.6MB. Max. memory is 16.1GB. [2022-11-20 19:50:13,965 INFO L158 Benchmark]: TraceAbstraction took 163799.07ms. Allocated memory was 1.7GB in the beginning and 3.5GB in the end (delta: 1.8GB). Free memory was 1.1GB in the beginning and 1.5GB in the end (delta: -428.6MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. [2022-11-20 19:50:13,967 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 90.2MB. Free memory is still 67.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 12555.72ms. Allocated memory was 90.2MB in the beginning and 337.6MB in the end (delta: 247.5MB). Free memory was 55.2MB in the beginning and 145.0MB in the end (delta: -89.9MB). Peak memory consumption was 224.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 616.34ms. Allocated memory is still 337.6MB. Free memory was 145.0MB in the beginning and 186.2MB in the end (delta: -41.2MB). Peak memory consumption was 68.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 420.13ms. Allocated memory is still 337.6MB. Free memory was 186.2MB in the beginning and 114.9MB in the end (delta: 71.3MB). Peak memory consumption was 71.3MB. Max. memory is 16.1GB. * RCFGBuilder took 85938.87ms. Allocated memory was 337.6MB in the beginning and 1.7GB in the end (delta: 1.4GB). Free memory was 114.9MB in the beginning and 1.1GB in the end (delta: -992.3MB). Peak memory consumption was 365.6MB. Max. memory is 16.1GB. * TraceAbstraction took 163799.07ms. Allocated memory was 1.7GB in the beginning and 3.5GB in the end (delta: 1.8GB). Free memory was 1.1GB in the beginning and 1.5GB in the end (delta: -428.6MB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Connection to SMT solver broken de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Connection to SMT solver broken: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.convertIOException(Executor.java:314) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3cd10f16-6182-4a16-a4c5-c82ef362998a/bin/utaipan-6cKwYrpEi9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Connection to SMT solver broken