./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--usb--gadget--udc--net2272.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d9035b4ec3c8be0c8a62b9c4cf3880a262fca73149d78c2d88c8226ff5942d9e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 12:13:43,359 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:13:43,361 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:13:43,386 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:13:43,387 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:13:43,388 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:13:43,389 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:13:43,404 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:13:43,406 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:13:43,407 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:13:43,408 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:13:43,409 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:13:43,410 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:13:43,411 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:13:43,412 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:13:43,413 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:13:43,414 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:13:43,415 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:13:43,417 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:13:43,419 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:13:43,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:13:43,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:13:43,423 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:13:43,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:13:43,428 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:13:43,428 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:13:43,428 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:13:43,429 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:13:43,430 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:13:43,431 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:13:43,431 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:13:43,432 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:13:43,433 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:13:43,433 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:13:43,434 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:13:43,435 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:13:43,435 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:13:43,436 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:13:43,436 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:13:43,437 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:13:43,438 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:13:43,439 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 12:13:43,460 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:13:43,460 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:13:43,460 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:13:43,461 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:13:43,461 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:13:43,462 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:13:43,462 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:13:43,463 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:13:43,463 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:13:43,463 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:13:43,464 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:13:43,464 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:13:43,464 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:13:43,464 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:13:43,465 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:13:43,465 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:13:43,465 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:13:43,465 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:13:43,466 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:13:43,466 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:13:43,466 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:13:43,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:13:43,467 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:13:43,467 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:13:43,467 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:13:43,468 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:13:43,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 12:13:43,468 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:13:43,469 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:13:43,469 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:13:43,469 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9035b4ec3c8be0c8a62b9c4cf3880a262fca73149d78c2d88c8226ff5942d9e [2022-11-20 12:13:43,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:13:43,804 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:13:43,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:13:43,810 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:13:43,811 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:13:43,813 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i [2022-11-20 12:13:46,975 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:13:47,717 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:13:47,718 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i [2022-11-20 12:13:47,791 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/data/63c041161/4e7081a207f64cd3b2ecf91ae4a3213f/FLAGc173e845f [2022-11-20 12:13:47,808 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/data/63c041161/4e7081a207f64cd3b2ecf91ae4a3213f [2022-11-20 12:13:47,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:13:47,815 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:13:47,820 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:13:47,821 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:13:47,824 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:13:47,825 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:13:47" (1/1) ... [2022-11-20 12:13:47,826 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29c094d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:13:47, skipping insertion in model container [2022-11-20 12:13:47,827 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:13:47" (1/1) ... [2022-11-20 12:13:47,838 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:13:48,007 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:13:49,308 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.abstractShiftLeft(BitabsTranslation.java:148) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructBinaryBitwiseIntegerExpression(IntegerTranslation.java:187) 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:728) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:282) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2446) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:303) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2061) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1087) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:232) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:371) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1489) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:155) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3314) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2388) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:600) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:134) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-20 12:13:49,314 INFO L158 Benchmark]: Toolchain (without parser) took 1498.14ms. Allocated memory is still 174.1MB. Free memory was 129.6MB in the beginning and 97.0MB in the end (delta: 32.5MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-11-20 12:13:49,315 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 130.0MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:13:49,315 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1491.83ms. Allocated memory is still 174.1MB. Free memory was 128.8MB in the beginning and 97.0MB in the end (delta: 31.7MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-11-20 12:13:49,317 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 130.0MB. Free memory is still 99.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1491.83ms. Allocated memory is still 174.1MB. Free memory was 128.8MB in the beginning and 97.0MB in the end (delta: 31.7MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: NullPointerException: null: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.TypeSizes.extractIntegerValue(TypeSizes.java:384) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d9035b4ec3c8be0c8a62b9c4cf3880a262fca73149d78c2d88c8226ff5942d9e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 12:13:51,696 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:13:51,698 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:13:51,767 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:13:51,768 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:13:51,772 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:13:51,775 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:13:51,777 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:13:51,780 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:13:51,786 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:13:51,788 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:13:51,789 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:13:51,790 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:13:51,793 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:13:51,795 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:13:51,799 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:13:51,803 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:13:51,804 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:13:51,806 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:13:51,812 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:13:51,815 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:13:51,816 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:13:51,820 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:13:51,821 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:13:51,828 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:13:51,830 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:13:51,831 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:13:51,832 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:13:51,833 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:13:51,835 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:13:51,835 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:13:51,836 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:13:51,837 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:13:51,839 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:13:51,840 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:13:51,841 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:13:51,842 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:13:51,843 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:13:51,843 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:13:51,844 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:13:51,845 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:13:51,850 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 12:13:51,887 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:13:51,887 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:13:51,888 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:13:51,889 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:13:51,889 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:13:51,890 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:13:51,890 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:13:51,891 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:13:51,891 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:13:51,891 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:13:51,892 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:13:51,892 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:13:51,892 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:13:51,892 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:13:51,893 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 12:13:51,893 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 12:13:51,893 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 12:13:51,893 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:13:51,894 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:13:51,894 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:13:51,894 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:13:51,894 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:13:51,895 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:13:51,895 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:13:51,895 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:13:51,896 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:13:51,896 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:13:51,896 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 12:13:51,896 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 12:13:51,897 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:13:51,897 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:13:51,897 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:13:51,897 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 12:13:51,898 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9035b4ec3c8be0c8a62b9c4cf3880a262fca73149d78c2d88c8226ff5942d9e [2022-11-20 12:13:52,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:13:52,336 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:13:52,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:13:52,341 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:13:52,342 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:13:52,344 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i [2022-11-20 12:13:55,490 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:13:56,161 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:13:56,161 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i [2022-11-20 12:13:56,237 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/data/a3e5e73f7/95fc3a4769cd4d14bf59ae0fc5f18b96/FLAG306ca010d [2022-11-20 12:13:56,266 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/data/a3e5e73f7/95fc3a4769cd4d14bf59ae0fc5f18b96 [2022-11-20 12:13:56,271 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:13:56,273 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:13:56,278 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:13:56,278 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:13:56,285 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:13:56,286 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:13:56" (1/1) ... [2022-11-20 12:13:56,287 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74a533d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:13:56, skipping insertion in model container [2022-11-20 12:13:56,288 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:13:56" (1/1) ... [2022-11-20 12:13:56,296 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:13:56,506 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:14:00,781 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[374560,374573] [2022-11-20 12:14:00,785 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[374705,374718] [2022-11-20 12:14:00,786 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[374851,374864] [2022-11-20 12:14:00,787 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375016,375029] [2022-11-20 12:14:00,787 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375174,375187] [2022-11-20 12:14:00,788 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375332,375345] [2022-11-20 12:14:00,789 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375490,375503] [2022-11-20 12:14:00,790 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375650,375663] [2022-11-20 12:14:00,790 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375809,375822] [2022-11-20 12:14:00,791 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375948,375961] [2022-11-20 12:14:00,791 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376090,376103] [2022-11-20 12:14:00,792 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376239,376252] [2022-11-20 12:14:00,793 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376378,376391] [2022-11-20 12:14:00,793 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376533,376546] [2022-11-20 12:14:00,794 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376693,376706] [2022-11-20 12:14:00,794 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376844,376857] [2022-11-20 12:14:00,795 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376995,377008] [2022-11-20 12:14:00,795 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377147,377160] [2022-11-20 12:14:00,796 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377296,377309] [2022-11-20 12:14:00,797 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377444,377457] [2022-11-20 12:14:00,797 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377601,377614] [2022-11-20 12:14:00,798 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377750,377763] [2022-11-20 12:14:00,798 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377906,377919] [2022-11-20 12:14:00,799 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378059,378072] [2022-11-20 12:14:00,799 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378205,378218] [2022-11-20 12:14:00,800 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378348,378361] [2022-11-20 12:14:00,800 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378500,378513] [2022-11-20 12:14:00,801 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378646,378659] [2022-11-20 12:14:00,802 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378791,378804] [2022-11-20 12:14:00,802 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378945,378958] [2022-11-20 12:14:00,803 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379096,379109] [2022-11-20 12:14:00,803 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379251,379264] [2022-11-20 12:14:00,804 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379403,379416] [2022-11-20 12:14:00,804 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379558,379571] [2022-11-20 12:14:00,804 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379722,379735] [2022-11-20 12:14:00,805 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379878,379891] [2022-11-20 12:14:00,805 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380042,380055] [2022-11-20 12:14:00,806 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380184,380197] [2022-11-20 12:14:00,806 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380342,380355] [2022-11-20 12:14:00,807 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380509,380522] [2022-11-20 12:14:00,808 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380668,380681] [2022-11-20 12:14:00,808 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380827,380840] [2022-11-20 12:14:00,809 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380976,380989] [2022-11-20 12:14:00,809 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381123,381136] [2022-11-20 12:14:00,810 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381262,381275] [2022-11-20 12:14:00,810 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381425,381438] [2022-11-20 12:14:00,811 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381591,381604] [2022-11-20 12:14:00,811 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381755,381768] [2022-11-20 12:14:00,812 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381920,381933] [2022-11-20 12:14:00,813 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382085,382098] [2022-11-20 12:14:00,813 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382251,382264] [2022-11-20 12:14:00,814 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382416,382429] [2022-11-20 12:14:00,814 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382583,382596] [2022-11-20 12:14:00,815 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382743,382756] [2022-11-20 12:14:00,815 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382905,382918] [2022-11-20 12:14:00,816 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383064,383077] [2022-11-20 12:14:00,816 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383210,383223] [2022-11-20 12:14:00,817 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383353,383366] [2022-11-20 12:14:00,817 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383497,383510] [2022-11-20 12:14:00,818 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383640,383653] [2022-11-20 12:14:00,818 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383784,383797] [2022-11-20 12:14:00,819 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383925,383938] [2022-11-20 12:14:00,819 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384063,384076] [2022-11-20 12:14:00,820 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384221,384234] [2022-11-20 12:14:00,820 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384380,384393] [2022-11-20 12:14:00,821 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384536,384549] [2022-11-20 12:14:00,821 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384685,384698] [2022-11-20 12:14:00,822 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384837,384850] [2022-11-20 12:14:00,823 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384988,385001] [2022-11-20 12:14:00,823 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385137,385150] [2022-11-20 12:14:00,824 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385289,385302] [2022-11-20 12:14:00,824 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385437,385450] [2022-11-20 12:14:00,825 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385590,385603] [2022-11-20 12:14:00,825 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385741,385754] [2022-11-20 12:14:00,826 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385891,385904] [2022-11-20 12:14:00,827 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386038,386051] [2022-11-20 12:14:00,827 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386189,386202] [2022-11-20 12:14:00,828 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386340,386353] [2022-11-20 12:14:00,828 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386488,386501] [2022-11-20 12:14:00,829 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386654,386667] [2022-11-20 12:14:00,829 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386823,386836] [2022-11-20 12:14:00,830 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386990,387003] [2022-11-20 12:14:00,830 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387158,387171] [2022-11-20 12:14:00,831 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387308,387321] [2022-11-20 12:14:00,831 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387455,387468] [2022-11-20 12:14:00,832 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387616,387629] [2022-11-20 12:14:00,833 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387786,387799] [2022-11-20 12:14:00,833 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_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387948,387961] [2022-11-20 12:14:00,837 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:14:00,879 INFO L200 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2022-11-20 12:14:00,947 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:14:01,554 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[374560,374573] [2022-11-20 12:14:01,555 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[374705,374718] [2022-11-20 12:14:01,555 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[374851,374864] [2022-11-20 12:14:01,556 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375016,375029] [2022-11-20 12:14:01,556 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375174,375187] [2022-11-20 12:14:01,557 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375332,375345] [2022-11-20 12:14:01,557 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375490,375503] [2022-11-20 12:14:01,558 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375650,375663] [2022-11-20 12:14:01,559 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375809,375822] [2022-11-20 12:14:01,559 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375948,375961] [2022-11-20 12:14:01,560 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376090,376103] [2022-11-20 12:14:01,560 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376239,376252] [2022-11-20 12:14:01,561 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376378,376391] [2022-11-20 12:14:01,561 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376533,376546] [2022-11-20 12:14:01,562 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376693,376706] [2022-11-20 12:14:01,562 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376844,376857] [2022-11-20 12:14:01,563 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376995,377008] [2022-11-20 12:14:01,563 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377147,377160] [2022-11-20 12:14:01,564 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377296,377309] [2022-11-20 12:14:01,564 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377444,377457] [2022-11-20 12:14:01,565 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377601,377614] [2022-11-20 12:14:01,566 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377750,377763] [2022-11-20 12:14:01,566 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377906,377919] [2022-11-20 12:14:01,567 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378059,378072] [2022-11-20 12:14:01,568 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378205,378218] [2022-11-20 12:14:01,569 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378348,378361] [2022-11-20 12:14:01,575 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378500,378513] [2022-11-20 12:14:01,575 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378646,378659] [2022-11-20 12:14:01,576 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378791,378804] [2022-11-20 12:14:01,577 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378945,378958] [2022-11-20 12:14:01,578 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379096,379109] [2022-11-20 12:14:01,579 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379251,379264] [2022-11-20 12:14:01,579 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379403,379416] [2022-11-20 12:14:01,580 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379558,379571] [2022-11-20 12:14:01,580 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379722,379735] [2022-11-20 12:14:01,581 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379878,379891] [2022-11-20 12:14:01,581 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380042,380055] [2022-11-20 12:14:01,583 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380184,380197] [2022-11-20 12:14:01,584 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380342,380355] [2022-11-20 12:14:01,585 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380509,380522] [2022-11-20 12:14:01,586 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380668,380681] [2022-11-20 12:14:01,587 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380827,380840] [2022-11-20 12:14:01,588 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380976,380989] [2022-11-20 12:14:01,588 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381123,381136] [2022-11-20 12:14:01,589 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381262,381275] [2022-11-20 12:14:01,589 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381425,381438] [2022-11-20 12:14:01,590 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381591,381604] [2022-11-20 12:14:01,590 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381755,381768] [2022-11-20 12:14:01,591 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381920,381933] [2022-11-20 12:14:01,591 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382085,382098] [2022-11-20 12:14:01,592 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382251,382264] [2022-11-20 12:14:01,592 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382416,382429] [2022-11-20 12:14:01,597 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382583,382596] [2022-11-20 12:14:01,598 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382743,382756] [2022-11-20 12:14:01,598 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382905,382918] [2022-11-20 12:14:01,599 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383064,383077] [2022-11-20 12:14:01,599 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383210,383223] [2022-11-20 12:14:01,600 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383353,383366] [2022-11-20 12:14:01,601 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383497,383510] [2022-11-20 12:14:01,603 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383640,383653] [2022-11-20 12:14:01,607 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383784,383797] [2022-11-20 12:14:01,608 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383925,383938] [2022-11-20 12:14:01,609 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384063,384076] [2022-11-20 12:14:01,609 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384221,384234] [2022-11-20 12:14:01,610 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384380,384393] [2022-11-20 12:14:01,610 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384536,384549] [2022-11-20 12:14:01,612 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384685,384698] [2022-11-20 12:14:01,612 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384837,384850] [2022-11-20 12:14:01,613 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384988,385001] [2022-11-20 12:14:01,619 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385137,385150] [2022-11-20 12:14:01,620 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385289,385302] [2022-11-20 12:14:01,620 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385437,385450] [2022-11-20 12:14:01,621 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385590,385603] [2022-11-20 12:14:01,622 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385741,385754] [2022-11-20 12:14:01,623 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385891,385904] [2022-11-20 12:14:01,623 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386038,386051] [2022-11-20 12:14:01,624 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386189,386202] [2022-11-20 12:14:01,624 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386340,386353] [2022-11-20 12:14:01,626 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386488,386501] [2022-11-20 12:14:01,628 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386654,386667] [2022-11-20 12:14:01,629 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386823,386836] [2022-11-20 12:14:01,630 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386990,387003] [2022-11-20 12:14:01,630 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387158,387171] [2022-11-20 12:14:01,631 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387308,387321] [2022-11-20 12:14:01,632 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387455,387468] [2022-11-20 12:14:01,633 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387616,387629] [2022-11-20 12:14:01,633 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387786,387799] [2022-11-20 12:14:01,634 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387948,387961] [2022-11-20 12:14:01,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:14:01,668 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:14:02,151 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[374560,374573] [2022-11-20 12:14:02,152 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[374705,374718] [2022-11-20 12:14:02,152 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[374851,374864] [2022-11-20 12:14:02,153 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375016,375029] [2022-11-20 12:14:02,153 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375174,375187] [2022-11-20 12:14:02,154 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375332,375345] [2022-11-20 12:14:02,154 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375490,375503] [2022-11-20 12:14:02,154 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375650,375663] [2022-11-20 12:14:02,155 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375809,375822] [2022-11-20 12:14:02,155 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[375948,375961] [2022-11-20 12:14:02,156 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376090,376103] [2022-11-20 12:14:02,156 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376239,376252] [2022-11-20 12:14:02,157 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376378,376391] [2022-11-20 12:14:02,157 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376533,376546] [2022-11-20 12:14:02,157 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376693,376706] [2022-11-20 12:14:02,158 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376844,376857] [2022-11-20 12:14:02,158 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[376995,377008] [2022-11-20 12:14:02,159 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377147,377160] [2022-11-20 12:14:02,161 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377296,377309] [2022-11-20 12:14:02,161 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377444,377457] [2022-11-20 12:14:02,163 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377601,377614] [2022-11-20 12:14:02,163 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377750,377763] [2022-11-20 12:14:02,164 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[377906,377919] [2022-11-20 12:14:02,164 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378059,378072] [2022-11-20 12:14:02,165 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378205,378218] [2022-11-20 12:14:02,165 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378348,378361] [2022-11-20 12:14:02,166 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378500,378513] [2022-11-20 12:14:02,166 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378646,378659] [2022-11-20 12:14:02,166 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378791,378804] [2022-11-20 12:14:02,167 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[378945,378958] [2022-11-20 12:14:02,167 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379096,379109] [2022-11-20 12:14:02,168 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379251,379264] [2022-11-20 12:14:02,168 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379403,379416] [2022-11-20 12:14:02,169 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379558,379571] [2022-11-20 12:14:02,169 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379722,379735] [2022-11-20 12:14:02,169 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[379878,379891] [2022-11-20 12:14:02,170 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380042,380055] [2022-11-20 12:14:02,170 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380184,380197] [2022-11-20 12:14:02,171 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380342,380355] [2022-11-20 12:14:02,172 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380509,380522] [2022-11-20 12:14:02,174 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380668,380681] [2022-11-20 12:14:02,174 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380827,380840] [2022-11-20 12:14:02,175 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[380976,380989] [2022-11-20 12:14:02,177 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381123,381136] [2022-11-20 12:14:02,181 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381262,381275] [2022-11-20 12:14:02,181 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381425,381438] [2022-11-20 12:14:02,182 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381591,381604] [2022-11-20 12:14:02,182 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381755,381768] [2022-11-20 12:14:02,183 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[381920,381933] [2022-11-20 12:14:02,183 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382085,382098] [2022-11-20 12:14:02,184 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382251,382264] [2022-11-20 12:14:02,185 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382416,382429] [2022-11-20 12:14:02,185 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382583,382596] [2022-11-20 12:14:02,186 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382743,382756] [2022-11-20 12:14:02,186 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[382905,382918] [2022-11-20 12:14:02,187 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383064,383077] [2022-11-20 12:14:02,187 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383210,383223] [2022-11-20 12:14:02,187 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383353,383366] [2022-11-20 12:14:02,188 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383497,383510] [2022-11-20 12:14:02,188 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383640,383653] [2022-11-20 12:14:02,189 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383784,383797] [2022-11-20 12:14:02,189 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[383925,383938] [2022-11-20 12:14:02,190 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384063,384076] [2022-11-20 12:14:02,190 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384221,384234] [2022-11-20 12:14:02,191 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384380,384393] [2022-11-20 12:14:02,191 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384536,384549] [2022-11-20 12:14:02,192 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384685,384698] [2022-11-20 12:14:02,192 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384837,384850] [2022-11-20 12:14:02,192 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[384988,385001] [2022-11-20 12:14:02,193 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385137,385150] [2022-11-20 12:14:02,193 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385289,385302] [2022-11-20 12:14:02,194 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385437,385450] [2022-11-20 12:14:02,194 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385590,385603] [2022-11-20 12:14:02,194 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385741,385754] [2022-11-20 12:14:02,195 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[385891,385904] [2022-11-20 12:14:02,196 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386038,386051] [2022-11-20 12:14:02,196 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386189,386202] [2022-11-20 12:14:02,197 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386340,386353] [2022-11-20 12:14:02,197 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386488,386501] [2022-11-20 12:14:02,199 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386654,386667] [2022-11-20 12:14:02,203 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386823,386836] [2022-11-20 12:14:02,204 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[386990,387003] [2022-11-20 12:14:02,211 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387158,387171] [2022-11-20 12:14:02,212 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387308,387321] [2022-11-20 12:14:02,213 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387455,387468] [2022-11-20 12:14:02,213 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387616,387629] [2022-11-20 12:14:02,214 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387786,387799] [2022-11-20 12:14:02,246 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i[387948,387961] [2022-11-20 12:14:02,249 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:14:02,523 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:14:02,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:14:02 WrapperNode [2022-11-20 12:14:02,524 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:14:02,525 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:14:02,525 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:14:02,525 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:14:02,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:14:02" (1/1) ... [2022-11-20 12:14:02,661 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:14:02" (1/1) ... [2022-11-20 12:14:02,861 INFO L138 Inliner]: procedures = 649, calls = 3018, calls flagged for inlining = 295, calls inlined = 219, statements flattened = 6249 [2022-11-20 12:14:02,862 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:14:02,862 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:14:02,863 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:14:02,863 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:14:02,872 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:14:02" (1/1) ... [2022-11-20 12:14:02,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:14:02" (1/1) ... [2022-11-20 12:14:02,899 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:14:02" (1/1) ... [2022-11-20 12:14:02,900 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:14:02" (1/1) ... [2022-11-20 12:14:03,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:14:02" (1/1) ... [2022-11-20 12:14:03,143 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:14:02" (1/1) ... [2022-11-20 12:14:03,173 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:14:02" (1/1) ... [2022-11-20 12:14:03,202 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:14:02" (1/1) ... [2022-11-20 12:14:03,253 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:14:03,254 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:14:03,254 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:14:03,254 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:14:03,257 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:14:02" (1/1) ... [2022-11-20 12:14:03,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:14:03,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:14:03,299 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:14:03,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:14:03,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_97 [2022-11-20 12:14:03,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_97 [2022-11-20 12:14:03,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-20 12:14:03,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-20 12:14:03,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-20 12:14:03,351 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-20 12:14:03,351 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_wakeup [2022-11-20 12:14:03,351 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_wakeup [2022-11-20 12:14:03,351 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_read_fifo [2022-11-20 12:14:03,352 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_read_fifo [2022-11-20 12:14:03,352 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_write_fifo [2022-11-20 12:14:03,352 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_write_fifo [2022-11-20 12:14:03,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-20 12:14:03,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-20 12:14:03,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_net2272 [2022-11-20 12:14:03,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_net2272 [2022-11-20 12:14:03,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_remap [2022-11-20 12:14:03,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_remap [2022-11-20 12:14:03,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-20 12:14:03,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-20 12:14:03,353 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-20 12:14:03,354 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-20 12:14:03,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-20 12:14:03,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-20 12:14:03,358 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_read [2022-11-20 12:14:03,358 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_read [2022-11-20 12:14:03,359 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_dir_in [2022-11-20 12:14:03,359 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_dir_in [2022-11-20 12:14:03,359 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_enable [2022-11-20 12:14:03,359 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_enable [2022-11-20 12:14:03,359 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_pio_advance [2022-11-20 12:14:03,359 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_pio_advance [2022-11-20 12:14:03,359 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-20 12:14:03,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-20 12:14:03,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-20 12:14:03,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-20 12:14:03,360 INFO L130 BoogieDeclarations]: Found specification of procedure set_fifo_bytecount [2022-11-20 12:14:03,360 INFO L138 BoogieDeclarations]: Found implementation of procedure set_fifo_bytecount [2022-11-20 12:14:03,360 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-11-20 12:14:03,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~C_INT~structend~~TO~C_INT [2022-11-20 12:14:03,360 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_usb_reset [2022-11-20 12:14:03,361 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_usb_reset [2022-11-20 12:14:03,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-20 12:14:03,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-20 12:14:03,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-20 12:14:03,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-20 12:14:03,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-20 12:14:03,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-20 12:14:03,362 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_usb_reinit [2022-11-20 12:14:03,362 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_usb_reinit [2022-11-20 12:14:03,362 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_pci_unregister [2022-11-20 12:14:03,362 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_pci_unregister [2022-11-20 12:14:03,362 INFO L130 BoogieDeclarations]: Found specification of procedure platform_get_resource [2022-11-20 12:14:03,362 INFO L138 BoogieDeclarations]: Found implementation of procedure platform_get_resource [2022-11-20 12:14:03,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:14:03,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2022-11-20 12:14:03,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-20 12:14:03,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-20 12:14:03,363 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_101 [2022-11-20 12:14:03,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_101 [2022-11-20 12:14:03,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2022-11-20 12:14:03,363 INFO L130 BoogieDeclarations]: Found specification of procedure type_string [2022-11-20 12:14:03,364 INFO L138 BoogieDeclarations]: Found implementation of procedure type_string [2022-11-20 12:14:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_gadget_release [2022-11-20 12:14:03,364 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_gadget_release [2022-11-20 12:14:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-20 12:14:03,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-20 12:14:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_handle_dma [2022-11-20 12:14:03,364 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_handle_dma [2022-11-20 12:14:03,364 INFO L130 BoogieDeclarations]: Found specification of procedure allow_status [2022-11-20 12:14:03,365 INFO L138 BoogieDeclarations]: Found implementation of procedure allow_status [2022-11-20 12:14:03,365 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-20 12:14:03,365 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-20 12:14:03,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-20 12:14:03,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-20 12:14:03,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-20 12:14:03,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-20 12:14:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_request_dma [2022-11-20 12:14:03,366 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_request_dma [2022-11-20 12:14:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-20 12:14:03,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-20 12:14:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-20 12:14:03,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-20 12:14:03,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-20 12:14:03,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-20 12:14:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-20 12:14:03,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-20 12:14:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_ep_read [2022-11-20 12:14:03,367 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_ep_read [2022-11-20 12:14:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-20 12:14:03,367 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-20 12:14:03,367 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-20 12:14:03,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-20 12:14:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-20 12:14:03,368 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-20 12:14:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-20 12:14:03,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~C_INT [2022-11-20 12:14:03,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-20 12:14:03,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-20 12:14:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2022-11-20 12:14:03,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2022-11-20 12:14:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_set_halt_and_wedge [2022-11-20 12:14:03,369 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_set_halt_and_wedge [2022-11-20 12:14:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-20 12:14:03,369 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_0 [2022-11-20 12:14:03,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_0 [2022-11-20 12:14:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2022-11-20 12:14:03,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2022-11-20 12:14:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:14:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-20 12:14:03,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-20 12:14:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-20 12:14:03,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-20 12:14:03,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-20 12:14:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 12:14:03,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-20 12:14:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure set_halt [2022-11-20 12:14:03,371 INFO L138 BoogieDeclarations]: Found implementation of procedure set_halt [2022-11-20 12:14:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ep_set_maxpacket_limit [2022-11-20 12:14:03,371 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ep_set_maxpacket_limit [2022-11-20 12:14:03,371 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-20 12:14:03,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-20 12:14:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure writel [2022-11-20 12:14:03,372 INFO L138 BoogieDeclarations]: Found implementation of procedure writel [2022-11-20 12:14:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_set_wedge [2022-11-20 12:14:03,372 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_set_wedge [2022-11-20 12:14:03,372 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_ep_reset [2022-11-20 12:14:03,372 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_ep_reset [2022-11-20 12:14:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure writeb [2022-11-20 12:14:03,373 INFO L138 BoogieDeclarations]: Found implementation of procedure writeb [2022-11-20 12:14:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2022-11-20 12:14:03,373 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2022-11-20 12:14:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:14:03,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:14:03,373 INFO L130 BoogieDeclarations]: Found specification of procedure stop_activity [2022-11-20 12:14:03,373 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_activity [2022-11-20 12:14:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-20 12:14:03,374 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-20 12:14:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2022-11-20 12:14:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2022-11-20 12:14:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-20 12:14:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2022-11-20 12:14:03,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-20 12:14:03,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-20 12:14:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_irq [2022-11-20 12:14:03,375 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_irq [2022-11-20 12:14:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_handle_ep [2022-11-20 12:14:03,375 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_handle_ep [2022-11-20 12:14:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_start [2022-11-20 12:14:03,375 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_start [2022-11-20 12:14:03,375 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_ep_write [2022-11-20 12:14:03,376 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_ep_write [2022-11-20 12:14:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_pci_probe [2022-11-20 12:14:03,376 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_pci_probe [2022-11-20 12:14:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-20 12:14:03,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-20 12:14:03,376 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_probe_fin [2022-11-20 12:14:03,376 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_probe_fin [2022-11-20 12:14:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_fifo_flush [2022-11-20 12:14:03,377 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_fifo_flush [2022-11-20 12:14:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_done [2022-11-20 12:14:03,377 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_done [2022-11-20 12:14:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_cancel_dma [2022-11-20 12:14:03,377 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_cancel_dma [2022-11-20 12:14:03,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-20 12:14:03,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-20 12:14:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_dequeue_all [2022-11-20 12:14:03,378 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_dequeue_all [2022-11-20 12:14:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-20 12:14:03,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-20 12:14:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_probe_init [2022-11-20 12:14:03,378 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_probe_init [2022-11-20 12:14:03,378 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-20 12:14:03,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-20 12:14:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-20 12:14:03,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-20 12:14:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_remove [2022-11-20 12:14:03,379 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_remove [2022-11-20 12:14:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-20 12:14:03,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-20 12:14:03,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:14:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-20 12:14:03,380 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-20 12:14:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-20 12:14:03,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-20 12:14:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_fifo_status [2022-11-20 12:14:03,380 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_fifo_status [2022-11-20 12:14:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-20 12:14:03,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq_130 [2022-11-20 12:14:03,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq_130 [2022-11-20 12:14:03,381 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_isoc [2022-11-20 12:14:03,381 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_isoc [2022-11-20 12:14:03,381 INFO L130 BoogieDeclarations]: Found specification of procedure buf_state_string [2022-11-20 12:14:03,381 INFO L138 BoogieDeclarations]: Found implementation of procedure buf_state_string [2022-11-20 12:14:03,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2022-11-20 12:14:03,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2022-11-20 12:14:03,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2022-11-20 12:14:03,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-20 12:14:03,382 INFO L130 BoogieDeclarations]: Found specification of procedure clear_halt [2022-11-20 12:14:03,382 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_halt [2022-11-20 12:14:03,382 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2022-11-20 12:14:03,382 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2022-11-20 12:14:03,383 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_stop [2022-11-20 12:14:03,383 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_stop [2022-11-20 12:14:03,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-20 12:14:03,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-20 12:14:03,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-20 12:14:03,383 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_reg_addr [2022-11-20 12:14:03,383 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_reg_addr [2022-11-20 12:14:03,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_net2272 [2022-11-20 12:14:03,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_net2272 [2022-11-20 12:14:03,384 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-20 12:14:03,384 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-20 12:14:03,384 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_plat_probe [2022-11-20 12:14:03,384 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_plat_probe [2022-11-20 12:14:03,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-20 12:14:03,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-20 12:14:03,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-20 12:14:03,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-20 12:14:03,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dispatch_irq_register_11_2 [2022-11-20 12:14:03,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dispatch_irq_register_11_2 [2022-11-20 12:14:03,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-20 12:14:03,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-20 12:14:03,385 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_write [2022-11-20 12:14:03,386 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_write [2022-11-20 12:14:03,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-20 12:14:03,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-20 12:14:03,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-20 12:14:03,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-20 12:14:03,386 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_plat_remove [2022-11-20 12:14:03,386 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_plat_remove [2022-11-20 12:14:03,387 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-20 12:14:03,387 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-20 12:14:03,387 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_ep0_start [2022-11-20 12:14:03,387 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_ep0_start [2022-11-20 12:14:03,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-20 12:14:03,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-20 12:14:03,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-20 12:14:03,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-20 12:14:03,388 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-20 12:14:03,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-20 12:14:03,388 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_pci_remove [2022-11-20 12:14:03,388 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_pci_remove [2022-11-20 12:14:03,388 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 12:14:03,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~C_INT [2022-11-20 12:14:03,388 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_disable [2022-11-20 12:14:03,389 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_disable [2022-11-20 12:14:03,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-20 12:14:03,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-20 12:14:03,389 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-20 12:14:03,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-20 12:14:03,389 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-20 12:14:03,389 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-20 12:14:03,390 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_handle_stat0_irqs [2022-11-20 12:14:03,390 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_handle_stat0_irqs [2022-11-20 12:14:03,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-20 12:14:03,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-20 12:14:03,390 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-20 12:14:03,390 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-20 12:14:03,390 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_get_frame [2022-11-20 12:14:03,391 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_get_frame [2022-11-20 12:14:03,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-20 12:14:03,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-20 12:14:03,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_102 [2022-11-20 12:14:03,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_102 [2022-11-20 12:14:03,391 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_get_ep_by_addr [2022-11-20 12:14:03,391 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_get_ep_by_addr [2022-11-20 12:14:03,391 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-11-20 12:14:03,392 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-11-20 12:14:03,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-20 12:14:03,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-20 12:14:03,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-20 12:14:03,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-20 12:14:03,392 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_instance_handler_0_5 [2022-11-20 12:14:03,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_instance_handler_0_5 [2022-11-20 12:14:03,393 INFO L130 BoogieDeclarations]: Found specification of procedure readw [2022-11-20 12:14:03,393 INFO L138 BoogieDeclarations]: Found implementation of procedure readw [2022-11-20 12:14:03,393 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_kick_dma [2022-11-20 12:14:03,393 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_kick_dma [2022-11-20 12:14:03,393 INFO L130 BoogieDeclarations]: Found specification of procedure net2272_dequeue [2022-11-20 12:14:03,393 INFO L138 BoogieDeclarations]: Found implementation of procedure net2272_dequeue [2022-11-20 12:14:03,393 INFO L130 BoogieDeclarations]: Found specification of procedure readl [2022-11-20 12:14:03,394 INFO L138 BoogieDeclarations]: Found implementation of procedure readl [2022-11-20 12:14:03,394 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-11-20 12:14:03,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-11-20 12:14:03,394 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2022-11-20 12:14:03,394 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2022-11-20 12:14:03,394 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2022-11-20 12:14:03,394 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2022-11-20 12:14:03,395 INFO L130 BoogieDeclarations]: Found specification of procedure readb [2022-11-20 12:14:03,395 INFO L138 BoogieDeclarations]: Found implementation of procedure readb [2022-11-20 12:14:04,370 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:14:04,374 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:14:04,617 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-20 12:14:06,077 WARN L816 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2022-11-20 12:14:06,838 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##32: assume !(0bv64 != assert_out_naking_~tmp___0~4#1); [2022-11-20 12:14:06,839 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume !(0bv32 == ~bvand32(32bv32, ~zero_extendFrom8To32(assert_out_naking_~tmp~9#1))); [2022-11-20 12:14:06,839 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume 0bv32 == ~bvand32(32bv32, ~zero_extendFrom8To32(assert_out_naking_~tmp~9#1));call write~$Pointer$(4bv64, 0bv64, assert_out_naking_~#descriptor~0#1.base, assert_out_naking_~#descriptor~0#1.offset, 8bv64);call write~$Pointer$(5bv64, 0bv64, assert_out_naking_~#descriptor~0#1.base, ~bvadd64(8bv64, assert_out_naking_~#descriptor~0#1.offset), 8bv64);call write~$Pointer$(6bv64, 0bv64, assert_out_naking_~#descriptor~0#1.base, ~bvadd64(16bv64, assert_out_naking_~#descriptor~0#1.offset), 8bv64);call write~$Pointer$(7bv64, 0bv64, assert_out_naking_~#descriptor~0#1.base, ~bvadd64(24bv64, assert_out_naking_~#descriptor~0#1.offset), 8bv64);call write~intINTTYPE4(131bv32, assert_out_naking_~#descriptor~0#1.base, ~bvadd64(32bv64, assert_out_naking_~#descriptor~0#1.offset), 4bv64);call write~intINTTYPE1(0bv8, assert_out_naking_~#descriptor~0#1.base, ~bvadd64(36bv64, assert_out_naking_~#descriptor~0#1.offset), 1bv64);call assert_out_naking_#t~mem117#1 := read~intINTTYPE1(assert_out_naking_~#descriptor~0#1.base, ~bvadd64(36bv64, assert_out_naking_~#descriptor~0#1.offset), 1bv64); [2022-11-20 12:14:06,839 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L4822: SUMMARY for call assert_out_naking_#t~ret118#1 := ldv__builtin_expect(~bvand64(1bv64, ~zero_extendFrom8To64(assert_out_naking_#t~mem117#1)), 0bv64); srcloc: null [2022-11-20 12:14:06,839 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L4822-1: assert_out_naking_~tmp___0~4#1 := assert_out_naking_#t~ret118#1;havoc assert_out_naking_#t~mem117#1;havoc assert_out_naking_#t~ret118#1; [2022-11-20 12:14:06,840 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L4814: call ULTIMATE.dealloc(assert_out_naking_~#descriptor~0#1.base, assert_out_naking_~#descriptor~0#1.offset);havoc assert_out_naking_~#descriptor~0#1.base, assert_out_naking_~#descriptor~0#1.offset; [2022-11-20 12:14:06,840 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L4832: SUMMARY for call net2272_ep_write(assert_out_naking_~ep#1.base, assert_out_naking_~ep#1.offset, 15bv32, 128bv8); srcloc: null [2022-11-20 12:14:06,840 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L4824: goto; [2022-11-20 12:14:06,840 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L4824: assume 0bv64 != assert_out_naking_~tmp___0~4#1;call assert_out_naking_#t~mem119#1.base, assert_out_naking_#t~mem119#1.offset := read~$Pointer$(assert_out_naking_~ep#1.base, ~bvadd64(65bv64, assert_out_naking_~ep#1.offset), 8bv64);call assert_out_naking_#t~mem120#1.base, assert_out_naking_#t~mem120#1.offset := read~$Pointer$(assert_out_naking_#t~mem119#1.base, ~bvadd64(1481bv64, assert_out_naking_#t~mem119#1.offset), 8bv64);call assert_out_naking_#t~mem121#1.base, assert_out_naking_#t~mem121#1.offset := read~$Pointer$(assert_out_naking_~ep#1.base, ~bvadd64(8bv64, assert_out_naking_~ep#1.offset), 8bv64);havoc assert_out_naking_#t~mem119#1.base, assert_out_naking_#t~mem119#1.offset;havoc assert_out_naking_#t~mem120#1.base, assert_out_naking_#t~mem120#1.offset;havoc assert_out_naking_#t~mem121#1.base, assert_out_naking_#t~mem121#1.offset; [2022-11-20 12:14:24,052 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:14:24,088 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:14:24,088 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 12:14:24,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:14:24 BoogieIcfgContainer [2022-11-20 12:14:24,094 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:14:24,099 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:14:24,099 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:14:24,103 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:14:24,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:13:56" (1/3) ... [2022-11-20 12:14:24,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d8c1db7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:14:24, skipping insertion in model container [2022-11-20 12:14:24,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:14:02" (2/3) ... [2022-11-20 12:14:24,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d8c1db7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:14:24, skipping insertion in model container [2022-11-20 12:14:24,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:14:24" (3/3) ... [2022-11-20 12:14:24,108 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--usb--gadget--udc--net2272.ko.cil.i [2022-11-20 12:14:24,132 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:14:24,132 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2022-11-20 12:14:24,278 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:14:24,287 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4549d604, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:14:24,287 INFO L358 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2022-11-20 12:14:24,300 INFO L276 IsEmpty]: Start isEmpty. Operand has 2459 states, 1585 states have (on average 1.3009463722397476) internal successors, (2062), 1675 states have internal predecessors, (2062), 711 states have call successors, (711), 135 states have call predecessors, (711), 134 states have return successors, (703), 687 states have call predecessors, (703), 703 states have call successors, (703) [2022-11-20 12:14:24,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-20 12:14:24,313 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:14:24,314 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-11-20 12:14:24,314 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_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-20 12:14:24,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:14:24,321 INFO L85 PathProgramCache]: Analyzing trace with hash -338388154, now seen corresponding path program 1 times [2022-11-20 12:14:24,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:14:24,340 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1942001706] [2022-11-20 12:14:24,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:14:24,341 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:14:24,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:14:24,350 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:14:24,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-20 12:14:26,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:14:26,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 1518 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:14:26,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:14:26,535 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 12:14:26,535 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:14:26,536 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:14:26,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1942001706] [2022-11-20 12:14:26,537 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1942001706] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:14:26,537 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:14:26,538 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:14:26,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158530024] [2022-11-20 12:14:26,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:14:26,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:14:26,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:14:26,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:14:26,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:14:26,627 INFO L87 Difference]: Start difference. First operand has 2459 states, 1585 states have (on average 1.3009463722397476) internal successors, (2062), 1675 states have internal predecessors, (2062), 711 states have call successors, (711), 135 states have call predecessors, (711), 134 states have return successors, (703), 687 states have call predecessors, (703), 703 states have call successors, (703) Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 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 12:14:27,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:14:27,380 INFO L93 Difference]: Finished difference Result 7252 states and 10685 transitions. [2022-11-20 12:14:27,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:14:27,383 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 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 66 [2022-11-20 12:14:27,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:14:27,456 INFO L225 Difference]: With dead ends: 7252 [2022-11-20 12:14:27,456 INFO L226 Difference]: Without dead ends: 4786 [2022-11-20 12:14:27,491 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:14:27,496 INFO L413 NwaCegarLoop]: 4283 mSDtfsCounter, 3288 mSDsluCounter, 7757 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3290 SdHoareTripleChecker+Valid, 12040 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:14:27,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3290 Valid, 12040 Invalid, 15 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:14:27,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4786 states. [2022-11-20 12:14:27,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4786 to 4589. [2022-11-20 12:14:27,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4589 states, 2976 states have (on average 1.283266129032258) internal successors, (3819), 3120 states have internal predecessors, (3819), 1341 states have call successors, (1341), 248 states have call predecessors, (1341), 244 states have return successors, (1397), 1299 states have call predecessors, (1397), 1339 states have call successors, (1397) [2022-11-20 12:14:27,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4589 states to 4589 states and 6557 transitions. [2022-11-20 12:14:28,002 INFO L78 Accepts]: Start accepts. Automaton has 4589 states and 6557 transitions. Word has length 66 [2022-11-20 12:14:28,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:14:28,004 INFO L495 AbstractCegarLoop]: Abstraction has 4589 states and 6557 transitions. [2022-11-20 12:14:28,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 3 states have internal predecessors, (36), 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 12:14:28,005 INFO L276 IsEmpty]: Start isEmpty. Operand 4589 states and 6557 transitions. [2022-11-20 12:14:28,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-11-20 12:14:28,019 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:14:28,020 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-11-20 12:14:28,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-20 12:14:28,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:14:28,235 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_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-20 12:14:28,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:14:28,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1330386260, now seen corresponding path program 1 times [2022-11-20 12:14:28,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:14:28,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1002028720] [2022-11-20 12:14:28,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:14:28,238 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:14:28,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:14:28,271 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:14:28,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-20 12:14:29,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:14:29,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 1527 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:14:29,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:14:30,287 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 12:14:30,287 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:14:30,287 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:14:30,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1002028720] [2022-11-20 12:14:30,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1002028720] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:14:30,288 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:14:30,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:14:30,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119842290] [2022-11-20 12:14:30,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:14:30,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:14:30,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:14:30,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:14:30,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:14:30,291 INFO L87 Difference]: Start difference. First operand 4589 states and 6557 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 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 12:14:30,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:14:30,674 INFO L93 Difference]: Finished difference Result 4589 states and 6557 transitions. [2022-11-20 12:14:30,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:14:30,675 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 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 72 [2022-11-20 12:14:30,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:14:30,714 INFO L225 Difference]: With dead ends: 4589 [2022-11-20 12:14:30,715 INFO L226 Difference]: Without dead ends: 4587 [2022-11-20 12:14:30,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:14:30,720 INFO L413 NwaCegarLoop]: 3412 mSDtfsCounter, 3357 mSDsluCounter, 3410 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3359 SdHoareTripleChecker+Valid, 6822 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 12:14:30,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3359 Valid, 6822 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:14:30,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4587 states. [2022-11-20 12:14:31,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4587 to 4587. [2022-11-20 12:14:31,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4587 states, 2975 states have (on average 1.2830252100840336) internal successors, (3817), 3118 states have internal predecessors, (3817), 1341 states have call successors, (1341), 248 states have call predecessors, (1341), 244 states have return successors, (1397), 1299 states have call predecessors, (1397), 1339 states have call successors, (1397) [2022-11-20 12:14:31,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4587 states to 4587 states and 6555 transitions. [2022-11-20 12:14:31,079 INFO L78 Accepts]: Start accepts. Automaton has 4587 states and 6555 transitions. Word has length 72 [2022-11-20 12:14:31,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:14:31,082 INFO L495 AbstractCegarLoop]: Abstraction has 4587 states and 6555 transitions. [2022-11-20 12:14:31,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 3 states have internal predecessors, (40), 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 12:14:31,083 INFO L276 IsEmpty]: Start isEmpty. Operand 4587 states and 6555 transitions. [2022-11-20 12:14:31,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-20 12:14:31,085 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:14:31,085 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-11-20 12:14:31,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-20 12:14:31,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:14:31,298 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_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-20 12:14:31,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:14:31,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1514394492, now seen corresponding path program 1 times [2022-11-20 12:14:31,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:14:31,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1093798023] [2022-11-20 12:14:31,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:14:31,302 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:14:31,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:14:31,304 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:14:31,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-20 12:14:32,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:14:32,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 1536 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:14:32,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:14:33,194 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 12:14:33,194 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:14:33,195 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:14:33,195 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1093798023] [2022-11-20 12:14:33,195 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1093798023] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:14:33,195 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:14:33,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:14:33,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12030417] [2022-11-20 12:14:33,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:14:33,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:14:33,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:14:33,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:14:33,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:14:33,197 INFO L87 Difference]: Start difference. First operand 4587 states and 6555 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 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 12:14:33,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:14:33,585 INFO L93 Difference]: Finished difference Result 4587 states and 6555 transitions. [2022-11-20 12:14:33,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:14:33,586 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 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 78 [2022-11-20 12:14:33,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:14:33,615 INFO L225 Difference]: With dead ends: 4587 [2022-11-20 12:14:33,615 INFO L226 Difference]: Without dead ends: 4585 [2022-11-20 12:14:33,619 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:14:33,622 INFO L413 NwaCegarLoop]: 3410 mSDtfsCounter, 3349 mSDsluCounter, 3408 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3351 SdHoareTripleChecker+Valid, 6818 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 12:14:33,623 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3351 Valid, 6818 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:14:33,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4585 states. [2022-11-20 12:14:33,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4585 to 4585. [2022-11-20 12:14:33,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4585 states, 2974 states have (on average 1.2827841291190316) internal successors, (3815), 3116 states have internal predecessors, (3815), 1341 states have call successors, (1341), 248 states have call predecessors, (1341), 244 states have return successors, (1397), 1299 states have call predecessors, (1397), 1339 states have call successors, (1397) [2022-11-20 12:14:34,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4585 states to 4585 states and 6553 transitions. [2022-11-20 12:14:34,004 INFO L78 Accepts]: Start accepts. Automaton has 4585 states and 6553 transitions. Word has length 78 [2022-11-20 12:14:34,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:14:34,004 INFO L495 AbstractCegarLoop]: Abstraction has 4585 states and 6553 transitions. [2022-11-20 12:14:34,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 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 12:14:34,005 INFO L276 IsEmpty]: Start isEmpty. Operand 4585 states and 6553 transitions. [2022-11-20 12:14:34,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2022-11-20 12:14:34,006 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:14:34,007 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-11-20 12:14:34,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-20 12:14:34,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:14:34,223 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_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-20 12:14:34,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:14:34,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1294335961, now seen corresponding path program 1 times [2022-11-20 12:14:34,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:14:34,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1349546046] [2022-11-20 12:14:34,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:14:34,225 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:14:34,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:14:34,226 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:14:34,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-20 12:14:35,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:14:35,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 1545 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:14:35,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:14:35,960 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 12:14:35,961 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:14:35,961 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:14:35,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1349546046] [2022-11-20 12:14:35,961 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1349546046] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:14:35,961 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:14:35,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:14:35,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904648409] [2022-11-20 12:14:35,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:14:35,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:14:35,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:14:35,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:14:35,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:14:35,963 INFO L87 Difference]: Start difference. First operand 4585 states and 6553 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 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 12:14:36,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:14:36,470 INFO L93 Difference]: Finished difference Result 4585 states and 6553 transitions. [2022-11-20 12:14:36,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:14:36,471 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 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 84 [2022-11-20 12:14:36,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:14:36,508 INFO L225 Difference]: With dead ends: 4585 [2022-11-20 12:14:36,508 INFO L226 Difference]: Without dead ends: 4583 [2022-11-20 12:14:36,513 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:14:36,516 INFO L413 NwaCegarLoop]: 3408 mSDtfsCounter, 3341 mSDsluCounter, 3406 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3343 SdHoareTripleChecker+Valid, 6814 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 12:14:36,518 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3343 Valid, 6814 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:14:36,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4583 states. [2022-11-20 12:14:37,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4583 to 4583. [2022-11-20 12:14:37,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4583 states, 2973 states have (on average 1.282542885973764) internal successors, (3813), 3114 states have internal predecessors, (3813), 1341 states have call successors, (1341), 248 states have call predecessors, (1341), 244 states have return successors, (1397), 1299 states have call predecessors, (1397), 1339 states have call successors, (1397) [2022-11-20 12:14:37,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4583 states to 4583 states and 6551 transitions. [2022-11-20 12:14:37,073 INFO L78 Accepts]: Start accepts. Automaton has 4583 states and 6551 transitions. Word has length 84 [2022-11-20 12:14:37,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:14:37,073 INFO L495 AbstractCegarLoop]: Abstraction has 4583 states and 6551 transitions. [2022-11-20 12:14:37,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 3 states have internal predecessors, (48), 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 12:14:37,075 INFO L276 IsEmpty]: Start isEmpty. Operand 4583 states and 6551 transitions. [2022-11-20 12:14:37,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-20 12:14:37,076 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:14:37,077 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-11-20 12:14:37,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-20 12:14:37,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:14:37,303 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_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-20 12:14:37,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:14:37,303 INFO L85 PathProgramCache]: Analyzing trace with hash 364834001, now seen corresponding path program 1 times [2022-11-20 12:14:37,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:14:37,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [947453990] [2022-11-20 12:14:37,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:14:37,306 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:14:37,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:14:37,308 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:14:37,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-20 12:14:38,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:14:38,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 1554 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:14:38,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:14:39,027 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 12:14:39,027 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:14:39,027 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:14:39,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [947453990] [2022-11-20 12:14:39,028 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [947453990] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:14:39,028 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:14:39,028 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:14:39,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563097063] [2022-11-20 12:14:39,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:14:39,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:14:39,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:14:39,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:14:39,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:14:39,031 INFO L87 Difference]: Start difference. First operand 4583 states and 6551 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 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 12:14:39,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:14:39,471 INFO L93 Difference]: Finished difference Result 4583 states and 6551 transitions. [2022-11-20 12:14:39,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:14:39,471 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 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 90 [2022-11-20 12:14:39,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:14:39,504 INFO L225 Difference]: With dead ends: 4583 [2022-11-20 12:14:39,504 INFO L226 Difference]: Without dead ends: 4581 [2022-11-20 12:14:39,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:14:39,510 INFO L413 NwaCegarLoop]: 3406 mSDtfsCounter, 3333 mSDsluCounter, 3404 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3335 SdHoareTripleChecker+Valid, 6810 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 12:14:39,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3335 Valid, 6810 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:14:39,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4581 states. [2022-11-20 12:14:39,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4581 to 4581. [2022-11-20 12:14:39,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4581 states, 2972 states have (on average 1.2823014804845223) internal successors, (3811), 3112 states have internal predecessors, (3811), 1341 states have call successors, (1341), 248 states have call predecessors, (1341), 244 states have return successors, (1397), 1299 states have call predecessors, (1397), 1339 states have call successors, (1397) [2022-11-20 12:14:40,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4581 states to 4581 states and 6549 transitions. [2022-11-20 12:14:40,031 INFO L78 Accepts]: Start accepts. Automaton has 4581 states and 6549 transitions. Word has length 90 [2022-11-20 12:14:40,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:14:40,031 INFO L495 AbstractCegarLoop]: Abstraction has 4581 states and 6549 transitions. [2022-11-20 12:14:40,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 3 states have internal predecessors, (52), 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 12:14:40,032 INFO L276 IsEmpty]: Start isEmpty. Operand 4581 states and 6549 transitions. [2022-11-20 12:14:40,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-20 12:14:40,034 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:14:40,034 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-11-20 12:14:40,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-20 12:14:40,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:14:40,258 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_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-20 12:14:40,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:14:40,259 INFO L85 PathProgramCache]: Analyzing trace with hash 916888658, now seen corresponding path program 1 times [2022-11-20 12:14:40,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:14:40,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [266194217] [2022-11-20 12:14:40,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:14:40,262 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:14:40,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:14:40,264 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:14:40,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-20 12:14:41,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:14:41,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 1563 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:14:41,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:14:42,130 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 12:14:42,131 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:14:42,131 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:14:42,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [266194217] [2022-11-20 12:14:42,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [266194217] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:14:42,131 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:14:42,132 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:14:42,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955387289] [2022-11-20 12:14:42,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:14:42,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:14:42,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:14:42,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:14:42,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:14:42,133 INFO L87 Difference]: Start difference. First operand 4581 states and 6549 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 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 12:14:42,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:14:42,634 INFO L93 Difference]: Finished difference Result 4581 states and 6549 transitions. [2022-11-20 12:14:42,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:14:42,635 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 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 96 [2022-11-20 12:14:42,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:14:42,676 INFO L225 Difference]: With dead ends: 4581 [2022-11-20 12:14:42,676 INFO L226 Difference]: Without dead ends: 4579 [2022-11-20 12:14:42,679 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:14:42,680 INFO L413 NwaCegarLoop]: 3404 mSDtfsCounter, 3325 mSDsluCounter, 3402 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3327 SdHoareTripleChecker+Valid, 6806 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 12:14:42,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3327 Valid, 6806 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:14:42,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4579 states. [2022-11-20 12:14:43,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4579 to 4579. [2022-11-20 12:14:43,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4579 states, 2971 states have (on average 1.282059912487378) internal successors, (3809), 3110 states have internal predecessors, (3809), 1341 states have call successors, (1341), 248 states have call predecessors, (1341), 244 states have return successors, (1397), 1299 states have call predecessors, (1397), 1339 states have call successors, (1397) [2022-11-20 12:14:43,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4579 states to 4579 states and 6547 transitions. [2022-11-20 12:14:43,213 INFO L78 Accepts]: Start accepts. Automaton has 4579 states and 6547 transitions. Word has length 96 [2022-11-20 12:14:43,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:14:43,214 INFO L495 AbstractCegarLoop]: Abstraction has 4579 states and 6547 transitions. [2022-11-20 12:14:43,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 3 states have internal predecessors, (56), 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 12:14:43,214 INFO L276 IsEmpty]: Start isEmpty. Operand 4579 states and 6547 transitions. [2022-11-20 12:14:43,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-20 12:14:43,217 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:14:43,217 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-20 12:14:43,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-20 12:14:43,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:14:43,443 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-20 12:14:43,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:14:43,443 INFO L85 PathProgramCache]: Analyzing trace with hash -368640789, now seen corresponding path program 1 times [2022-11-20 12:14:43,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:14:43,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1195373977] [2022-11-20 12:14:43,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:14:43,445 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 12:14:43,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:14:43,447 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:14:43,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-11-20 12:14:44,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:14:45,047 INFO L263 TraceCheckSpWp]: Trace formula consists of 1754 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-20 12:14:45,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:14:45,344 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 95 proven. 3 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2022-11-20 12:14:45,344 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:14:45,872 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 6 proven. 27 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-20 12:14:45,872 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:14:45,872 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1195373977] [2022-11-20 12:14:45,873 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1195373977] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:14:45,873 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 12:14:45,873 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2022-11-20 12:14:45,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220472594] [2022-11-20 12:14:45,873 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 12:14:45,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 12:14:45,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:14:45,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 12:14:45,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2022-11-20 12:14:45,875 INFO L87 Difference]: Start difference. First operand 4579 states and 6547 transitions. Second operand has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 states have internal predecessors, (68), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 4 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-20 12:14:48,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:14:48,591 INFO L93 Difference]: Finished difference Result 10223 states and 14737 transitions. [2022-11-20 12:14:48,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 12:14:48,592 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 states have internal predecessors, (68), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 4 states have call predecessors, (27), 3 states have call successors, (27) Word has length 120 [2022-11-20 12:14:48,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:14:48,626 INFO L225 Difference]: With dead ends: 10223 [2022-11-20 12:14:48,626 INFO L226 Difference]: Without dead ends: 5661 [2022-11-20 12:14:48,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-11-20 12:14:48,657 INFO L413 NwaCegarLoop]: 4232 mSDtfsCounter, 523 mSDsluCounter, 20346 mSDsCounter, 0 mSdLazyCounter, 323 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 749 SdHoareTripleChecker+Valid, 24578 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 323 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-20 12:14:48,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [749 Valid, 24578 Invalid, 326 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 323 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-20 12:14:48,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5661 states. [2022-11-20 12:14:49,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5661 to 4579. [2022-11-20 12:14:49,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4579 states, 2971 states have (on average 1.2817233254796365) internal successors, (3808), 3109 states have internal predecessors, (3808), 1341 states have call successors, (1341), 248 states have call predecessors, (1341), 244 states have return successors, (1397), 1299 states have call predecessors, (1397), 1339 states have call successors, (1397) [2022-11-20 12:14:49,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4579 states to 4579 states and 6546 transitions. [2022-11-20 12:14:49,389 INFO L78 Accepts]: Start accepts. Automaton has 4579 states and 6546 transitions. Word has length 120 [2022-11-20 12:14:49,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:14:49,390 INFO L495 AbstractCegarLoop]: Abstraction has 4579 states and 6546 transitions. [2022-11-20 12:14:49,390 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.555555555555555) internal successors, (68), 8 states have internal predecessors, (68), 3 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 4 states have call predecessors, (27), 3 states have call successors, (27) [2022-11-20 12:14:49,390 INFO L276 IsEmpty]: Start isEmpty. Operand 4579 states and 6546 transitions. [2022-11-20 12:14:49,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-20 12:14:49,395 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:14:49,396 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-20 12:14:49,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2022-11-20 12:14:49,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:14:49,610 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-20 12:14:49,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:14:49,611 INFO L85 PathProgramCache]: Analyzing trace with hash -1246486840, now seen corresponding path program 1 times [2022-11-20 12:14:49,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:14:49,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [629527443] [2022-11-20 12:14:49,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:14:49,613 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:14:49,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:14:49,615 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:14:49,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-20 12:14:51,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:14:51,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 1766 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-20 12:14:51,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:14:51,890 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-11-20 12:14:51,890 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:14:51,890 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:14:51,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [629527443] [2022-11-20 12:14:51,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [629527443] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:14:51,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:14:51,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 12:14:51,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502947718] [2022-11-20 12:14:51,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:14:51,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:14:51,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:14:51,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:14:51,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:14:51,893 INFO L87 Difference]: Start difference. First operand 4579 states and 6546 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-20 12:14:57,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:14:57,639 INFO L93 Difference]: Finished difference Result 11291 states and 16197 transitions. [2022-11-20 12:14:57,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 12:14:57,643 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) Word has length 124 [2022-11-20 12:14:57,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:14:57,683 INFO L225 Difference]: With dead ends: 11291 [2022-11-20 12:14:57,683 INFO L226 Difference]: Without dead ends: 6733 [2022-11-20 12:14:57,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-20 12:14:57,715 INFO L413 NwaCegarLoop]: 3794 mSDtfsCounter, 2942 mSDsluCounter, 12096 mSDsCounter, 0 mSdLazyCounter, 1229 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2946 SdHoareTripleChecker+Valid, 15890 SdHoareTripleChecker+Invalid, 1233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1229 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-20 12:14:57,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2946 Valid, 15890 Invalid, 1233 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 1229 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-11-20 12:14:57,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6733 states. [2022-11-20 12:14:58,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6733 to 6673. [2022-11-20 12:14:58,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6673 states, 4321 states have (on average 1.2735477898634575) internal successors, (5503), 4497 states have internal predecessors, (5503), 1916 states have call successors, (1916), 419 states have call predecessors, (1916), 413 states have return successors, (2021), 1860 states have call predecessors, (2021), 1914 states have call successors, (2021) [2022-11-20 12:14:58,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6673 states to 6673 states and 9440 transitions. [2022-11-20 12:14:58,586 INFO L78 Accepts]: Start accepts. Automaton has 6673 states and 9440 transitions. Word has length 124 [2022-11-20 12:14:58,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:14:58,586 INFO L495 AbstractCegarLoop]: Abstraction has 6673 states and 9440 transitions. [2022-11-20 12:14:58,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (18), 1 states have call predecessors, (18), 2 states have return successors, (15), 2 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-20 12:14:58,587 INFO L276 IsEmpty]: Start isEmpty. Operand 6673 states and 9440 transitions. [2022-11-20 12:14:58,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-20 12:14:58,590 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:14:58,590 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-20 12:14:58,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-20 12:14:58,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:14:58,808 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting kzallocErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-20 12:14:58,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:14:58,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1246427258, now seen corresponding path program 1 times [2022-11-20 12:14:58,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:14:58,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1707697094] [2022-11-20 12:14:58,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:14:58,810 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:14:58,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:14:58,811 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:14:58,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2022-11-20 12:15:00,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:15:00,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 1766 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:15:00,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:15:00,507 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-11-20 12:15:00,507 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:15:00,508 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:15:00,508 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1707697094] [2022-11-20 12:15:00,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1707697094] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:15:00,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:15:00,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 12:15:00,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866400883] [2022-11-20 12:15:00,509 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:15:00,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:15:00,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:15:00,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:15:00,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:15:00,511 INFO L87 Difference]: Start difference. First operand 6673 states and 9440 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-20 12:15:01,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:15:01,328 INFO L93 Difference]: Finished difference Result 6707 states and 9480 transitions. [2022-11-20 12:15:01,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:15:01,329 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 124 [2022-11-20 12:15:01,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:15:01,371 INFO L225 Difference]: With dead ends: 6707 [2022-11-20 12:15:01,371 INFO L226 Difference]: Without dead ends: 6705 [2022-11-20 12:15:01,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:15:01,380 INFO L413 NwaCegarLoop]: 3404 mSDtfsCounter, 31 mSDsluCounter, 6803 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 10207 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:15:01,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 10207 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:15:01,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6705 states. [2022-11-20 12:15:02,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6705 to 6677. [2022-11-20 12:15:02,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6677 states, 4325 states have (on average 1.2728323699421966) internal successors, (5505), 4501 states have internal predecessors, (5505), 1916 states have call successors, (1916), 419 states have call predecessors, (1916), 413 states have return successors, (2021), 1860 states have call predecessors, (2021), 1914 states have call successors, (2021) [2022-11-20 12:15:02,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6677 states to 6677 states and 9442 transitions. [2022-11-20 12:15:02,336 INFO L78 Accepts]: Start accepts. Automaton has 6677 states and 9442 transitions. Word has length 124 [2022-11-20 12:15:02,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:15:02,337 INFO L495 AbstractCegarLoop]: Abstraction has 6677 states and 9442 transitions. [2022-11-20 12:15:02,337 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-20 12:15:02,337 INFO L276 IsEmpty]: Start isEmpty. Operand 6677 states and 9442 transitions. [2022-11-20 12:15:02,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-11-20 12:15:02,339 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:15:02,340 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 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] [2022-11-20 12:15:02,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Forceful destruction successful, exit code 0 [2022-11-20 12:15:02,566 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:15:02,566 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_net_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-20 12:15:02,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:15:02,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1855642534, now seen corresponding path program 1 times [2022-11-20 12:15:02,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:15:02,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1198017908] [2022-11-20 12:15:02,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:15:02,569 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:15:02,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:15:02,571 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:15:02,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Waiting until timeout for monitored process [2022-11-20 12:15:03,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:15:03,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 1613 conjuncts, 29 conjunts are in the unsatisfiable core [2022-11-20 12:15:03,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:15:04,427 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 59 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2022-11-20 12:15:04,427 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:15:04,900 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 9 proven. 15 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-11-20 12:15:04,900 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:15:04,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1198017908] [2022-11-20 12:15:04,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1198017908] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:15:04,901 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 12:15:04,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 22 [2022-11-20 12:15:04,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87000515] [2022-11-20 12:15:04,901 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 12:15:04,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-11-20 12:15:04,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:15:04,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-11-20 12:15:04,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=417, Unknown=0, NotChecked=0, Total=462 [2022-11-20 12:15:04,903 INFO L87 Difference]: Start difference. First operand 6677 states and 9442 transitions. Second operand has 22 states, 21 states have (on average 3.5714285714285716) internal successors, (75), 20 states have internal predecessors, (75), 7 states have call successors, (29), 2 states have call predecessors, (29), 5 states have return successors, (29), 8 states have call predecessors, (29), 7 states have call successors, (29) [2022-11-20 12:15:08,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:15:08,886 INFO L93 Difference]: Finished difference Result 13282 states and 18790 transitions. [2022-11-20 12:15:08,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-11-20 12:15:08,886 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 3.5714285714285716) internal successors, (75), 20 states have internal predecessors, (75), 7 states have call successors, (29), 2 states have call predecessors, (29), 5 states have return successors, (29), 8 states have call predecessors, (29), 7 states have call successors, (29) Word has length 113 [2022-11-20 12:15:08,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:15:08,934 INFO L225 Difference]: With dead ends: 13282 [2022-11-20 12:15:08,934 INFO L226 Difference]: Without dead ends: 6768 [2022-11-20 12:15:09,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=308, Invalid=1414, Unknown=0, NotChecked=0, Total=1722 [2022-11-20 12:15:09,054 INFO L413 NwaCegarLoop]: 3404 mSDtfsCounter, 186 mSDsluCounter, 53934 mSDsCounter, 0 mSdLazyCounter, 892 mSolverCounterSat, 470 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 206 SdHoareTripleChecker+Valid, 57338 SdHoareTripleChecker+Invalid, 1362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 470 IncrementalHoareTripleChecker+Valid, 892 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-20 12:15:09,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [206 Valid, 57338 Invalid, 1362 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [470 Valid, 892 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-20 12:15:09,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6768 states. [2022-11-20 12:15:09,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6768 to 6705. [2022-11-20 12:15:09,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6705 states, 4345 states have (on average 1.2715765247410817) internal successors, (5525), 4521 states have internal predecessors, (5525), 1924 states have call successors, (1924), 419 states have call predecessors, (1924), 413 states have return successors, (2029), 1868 states have call predecessors, (2029), 1922 states have call successors, (2029) [2022-11-20 12:15:09,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6705 states to 6705 states and 9478 transitions. [2022-11-20 12:15:09,945 INFO L78 Accepts]: Start accepts. Automaton has 6705 states and 9478 transitions. Word has length 113 [2022-11-20 12:15:09,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:15:09,946 INFO L495 AbstractCegarLoop]: Abstraction has 6705 states and 9478 transitions. [2022-11-20 12:15:09,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 3.5714285714285716) internal successors, (75), 20 states have internal predecessors, (75), 7 states have call successors, (29), 2 states have call predecessors, (29), 5 states have return successors, (29), 8 states have call predecessors, (29), 7 states have call successors, (29) [2022-11-20 12:15:09,947 INFO L276 IsEmpty]: Start isEmpty. Operand 6705 states and 9478 transitions. [2022-11-20 12:15:09,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-11-20 12:15:09,948 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:15:09,949 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-11-20 12:15:09,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (11)] Forceful destruction successful, exit code 0 [2022-11-20 12:15:10,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:15:10,166 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-20 12:15:10,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:15:10,167 INFO L85 PathProgramCache]: Analyzing trace with hash -309463520, now seen corresponding path program 1 times [2022-11-20 12:15:10,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:15:10,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [476864984] [2022-11-20 12:15:10,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:15:10,169 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:15:10,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:15:10,171 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:15:10,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-20 12:15:11,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:15:11,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 1572 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:15:11,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:15:12,383 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 12:15:12,383 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:15:12,383 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:15:12,384 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [476864984] [2022-11-20 12:15:12,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [476864984] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:15:12,384 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:15:12,384 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:15:12,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211663663] [2022-11-20 12:15:12,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:15:12,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:15:12,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:15:12,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:15:12,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:15:12,387 INFO L87 Difference]: Start difference. First operand 6705 states and 9478 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 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 12:15:13,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:15:13,151 INFO L93 Difference]: Finished difference Result 6705 states and 9478 transitions. [2022-11-20 12:15:13,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:15:13,151 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 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 102 [2022-11-20 12:15:13,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:15:13,191 INFO L225 Difference]: With dead ends: 6705 [2022-11-20 12:15:13,191 INFO L226 Difference]: Without dead ends: 6703 [2022-11-20 12:15:13,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:15:13,200 INFO L413 NwaCegarLoop]: 3401 mSDtfsCounter, 3316 mSDsluCounter, 3399 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3318 SdHoareTripleChecker+Valid, 6800 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 12:15:13,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3318 Valid, 6800 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:15:13,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6703 states. [2022-11-20 12:15:14,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6703 to 6703. [2022-11-20 12:15:14,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6703 states, 4344 states have (on average 1.2714088397790055) internal successors, (5523), 4519 states have internal predecessors, (5523), 1924 states have call successors, (1924), 419 states have call predecessors, (1924), 413 states have return successors, (2029), 1868 states have call predecessors, (2029), 1922 states have call successors, (2029) [2022-11-20 12:15:14,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6703 states to 6703 states and 9476 transitions. [2022-11-20 12:15:14,303 INFO L78 Accepts]: Start accepts. Automaton has 6703 states and 9476 transitions. Word has length 102 [2022-11-20 12:15:14,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:15:14,306 INFO L495 AbstractCegarLoop]: Abstraction has 6703 states and 9476 transitions. [2022-11-20 12:15:14,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 3 states have internal predecessors, (60), 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 12:15:14,307 INFO L276 IsEmpty]: Start isEmpty. Operand 6703 states and 9476 transitions. [2022-11-20 12:15:14,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-20 12:15:14,311 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:15:14,311 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-20 12:15:14,349 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Forceful destruction successful, exit code 0 [2022-11-20 12:15:14,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:15:14,526 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting kzallocErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-20 12:15:14,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:15:14,527 INFO L85 PathProgramCache]: Analyzing trace with hash 1233179084, now seen corresponding path program 1 times [2022-11-20 12:15:14,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:15:14,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [426138505] [2022-11-20 12:15:14,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:15:14,529 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:15:14,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:15:14,531 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:15:14,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Waiting until timeout for monitored process [2022-11-20 12:15:16,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:15:16,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 1773 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:15:16,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:15:16,761 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-11-20 12:15:16,761 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:15:16,761 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:15:16,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [426138505] [2022-11-20 12:15:16,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [426138505] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:15:16,762 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:15:16,762 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:15:16,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406734761] [2022-11-20 12:15:16,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:15:16,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:15:16,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:15:16,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:15:16,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:15:16,764 INFO L87 Difference]: Start difference. First operand 6703 states and 9476 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-20 12:15:17,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:15:17,452 INFO L93 Difference]: Finished difference Result 13371 states and 19115 transitions. [2022-11-20 12:15:17,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:15:17,453 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 128 [2022-11-20 12:15:17,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:15:17,496 INFO L225 Difference]: With dead ends: 13371 [2022-11-20 12:15:17,497 INFO L226 Difference]: Without dead ends: 6693 [2022-11-20 12:15:17,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:15:17,534 INFO L413 NwaCegarLoop]: 3397 mSDtfsCounter, 3320 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3320 SdHoareTripleChecker+Valid, 3397 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 12:15:17,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3320 Valid, 3397 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:15:17,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6693 states. [2022-11-20 12:15:18,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6693 to 6693. [2022-11-20 12:15:18,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6693 states, 4335 states have (on average 1.2701268742791234) internal successors, (5506), 4509 states have internal predecessors, (5506), 1924 states have call successors, (1924), 419 states have call predecessors, (1924), 413 states have return successors, (2029), 1868 states have call predecessors, (2029), 1922 states have call successors, (2029) [2022-11-20 12:15:18,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6693 states to 6693 states and 9459 transitions. [2022-11-20 12:15:18,605 INFO L78 Accepts]: Start accepts. Automaton has 6693 states and 9459 transitions. Word has length 128 [2022-11-20 12:15:18,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:15:18,606 INFO L495 AbstractCegarLoop]: Abstraction has 6693 states and 9459 transitions. [2022-11-20 12:15:18,606 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 2 states have internal predecessors, (48), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2022-11-20 12:15:18,607 INFO L276 IsEmpty]: Start isEmpty. Operand 6693 states and 9459 transitions. [2022-11-20 12:15:18,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-20 12:15:18,614 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:15:18,615 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:15:18,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (13)] Forceful destruction successful, exit code 0 [2022-11-20 12:15:18,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:15:18,839 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-20 12:15:18,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:15:18,840 INFO L85 PathProgramCache]: Analyzing trace with hash -22556771, now seen corresponding path program 1 times [2022-11-20 12:15:18,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:15:18,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2015537247] [2022-11-20 12:15:18,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:15:18,841 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:15:18,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:15:18,843 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:15:18,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Waiting until timeout for monitored process [2022-11-20 12:15:20,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:15:20,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 1581 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:15:20,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:15:20,759 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 12:15:20,759 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:15:20,760 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:15:20,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2015537247] [2022-11-20 12:15:20,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2015537247] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:15:20,760 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:15:20,760 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:15:20,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57872059] [2022-11-20 12:15:20,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:15:20,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:15:20,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:15:20,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:15:20,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:15:20,762 INFO L87 Difference]: Start difference. First operand 6693 states and 9459 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 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 12:15:21,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:15:21,605 INFO L93 Difference]: Finished difference Result 6693 states and 9459 transitions. [2022-11-20 12:15:21,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:15:21,606 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 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 108 [2022-11-20 12:15:21,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:15:21,637 INFO L225 Difference]: With dead ends: 6693 [2022-11-20 12:15:21,638 INFO L226 Difference]: Without dead ends: 6691 [2022-11-20 12:15:21,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:15:21,644 INFO L413 NwaCegarLoop]: 3394 mSDtfsCounter, 3307 mSDsluCounter, 3388 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3309 SdHoareTripleChecker+Valid, 6782 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 12:15:21,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3309 Valid, 6782 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:15:21,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6691 states. [2022-11-20 12:15:22,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6691 to 6691. [2022-11-20 12:15:22,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6691 states, 4334 states have (on average 1.2699584679280111) internal successors, (5504), 4507 states have internal predecessors, (5504), 1924 states have call successors, (1924), 419 states have call predecessors, (1924), 413 states have return successors, (2029), 1868 states have call predecessors, (2029), 1922 states have call successors, (2029) [2022-11-20 12:15:22,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6691 states to 6691 states and 9457 transitions. [2022-11-20 12:15:22,673 INFO L78 Accepts]: Start accepts. Automaton has 6691 states and 9457 transitions. Word has length 108 [2022-11-20 12:15:22,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:15:22,674 INFO L495 AbstractCegarLoop]: Abstraction has 6691 states and 9457 transitions. [2022-11-20 12:15:22,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 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 12:15:22,674 INFO L276 IsEmpty]: Start isEmpty. Operand 6691 states and 9457 transitions. [2022-11-20 12:15:22,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-20 12:15:22,676 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:15:22,676 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:15:22,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (14)] Forceful destruction successful, exit code 0 [2022-11-20 12:15:22,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:15:22,877 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-20 12:15:22,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:15:22,878 INFO L85 PathProgramCache]: Analyzing trace with hash -202058560, now seen corresponding path program 1 times [2022-11-20 12:15:22,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:15:22,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [213542564] [2022-11-20 12:15:22,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:15:22,881 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:15:22,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:15:22,886 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:15:22,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Waiting until timeout for monitored process [2022-11-20 12:15:24,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:15:24,265 INFO L263 TraceCheckSpWp]: Trace formula consists of 1584 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:15:24,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:15:24,546 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 12:15:24,546 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:15:24,547 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:15:24,547 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [213542564] [2022-11-20 12:15:24,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [213542564] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:15:24,547 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:15:24,547 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:15:24,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207412814] [2022-11-20 12:15:24,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:15:24,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:15:24,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:15:24,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:15:24,549 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:15:24,549 INFO L87 Difference]: Start difference. First operand 6691 states and 9457 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 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 12:15:25,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:15:25,246 INFO L93 Difference]: Finished difference Result 6691 states and 9457 transitions. [2022-11-20 12:15:25,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:15:25,247 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 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 110 [2022-11-20 12:15:25,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:15:25,278 INFO L225 Difference]: With dead ends: 6691 [2022-11-20 12:15:25,279 INFO L226 Difference]: Without dead ends: 6689 [2022-11-20 12:15:25,284 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:15:25,284 INFO L413 NwaCegarLoop]: 3392 mSDtfsCounter, 3299 mSDsluCounter, 3390 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3301 SdHoareTripleChecker+Valid, 6782 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 12:15:25,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3301 Valid, 6782 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:15:25,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6689 states. [2022-11-20 12:15:26,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6689 to 6689. [2022-11-20 12:15:26,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6689 states, 4333 states have (on average 1.2697899838449112) internal successors, (5502), 4505 states have internal predecessors, (5502), 1924 states have call successors, (1924), 419 states have call predecessors, (1924), 413 states have return successors, (2029), 1868 states have call predecessors, (2029), 1922 states have call successors, (2029) [2022-11-20 12:15:26,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6689 states to 6689 states and 9455 transitions. [2022-11-20 12:15:26,438 INFO L78 Accepts]: Start accepts. Automaton has 6689 states and 9455 transitions. Word has length 110 [2022-11-20 12:15:26,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:15:26,439 INFO L495 AbstractCegarLoop]: Abstraction has 6689 states and 9455 transitions. [2022-11-20 12:15:26,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 3 states have internal predecessors, (66), 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 12:15:26,439 INFO L276 IsEmpty]: Start isEmpty. Operand 6689 states and 9455 transitions. [2022-11-20 12:15:26,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-20 12:15:26,442 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:15:26,442 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-11-20 12:15:26,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (15)] Forceful destruction successful, exit code 0 [2022-11-20 12:15:26,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:15:26,660 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-20 12:15:26,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:15:26,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1796475551, now seen corresponding path program 1 times [2022-11-20 12:15:26,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:15:26,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1074221501] [2022-11-20 12:15:26,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:15:26,663 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:15:26,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:15:26,664 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:15:26,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Waiting until timeout for monitored process [2022-11-20 12:15:27,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:15:27,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 1593 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:15:27,906 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:15:28,195 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 12:15:28,196 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:15:28,196 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:15:28,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1074221501] [2022-11-20 12:15:28,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1074221501] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:15:28,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:15:28,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:15:28,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343318607] [2022-11-20 12:15:28,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:15:28,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:15:28,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:15:28,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:15:28,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:15:28,198 INFO L87 Difference]: Start difference. First operand 6689 states and 9455 transitions. Second operand has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 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 12:15:29,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:15:29,206 INFO L93 Difference]: Finished difference Result 6689 states and 9455 transitions. [2022-11-20 12:15:29,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:15:29,207 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 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 116 [2022-11-20 12:15:29,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:15:29,237 INFO L225 Difference]: With dead ends: 6689 [2022-11-20 12:15:29,237 INFO L226 Difference]: Without dead ends: 6687 [2022-11-20 12:15:29,242 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:15:29,243 INFO L413 NwaCegarLoop]: 3390 mSDtfsCounter, 3291 mSDsluCounter, 3388 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3293 SdHoareTripleChecker+Valid, 6778 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 12:15:29,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3293 Valid, 6778 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:15:29,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6687 states. [2022-11-20 12:15:30,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6687 to 6687. [2022-11-20 12:15:30,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6687 states, 4332 states have (on average 1.2696214219759927) internal successors, (5500), 4503 states have internal predecessors, (5500), 1924 states have call successors, (1924), 419 states have call predecessors, (1924), 413 states have return successors, (2029), 1868 states have call predecessors, (2029), 1922 states have call successors, (2029) [2022-11-20 12:15:30,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6687 states to 6687 states and 9453 transitions. [2022-11-20 12:15:30,310 INFO L78 Accepts]: Start accepts. Automaton has 6687 states and 9453 transitions. Word has length 116 [2022-11-20 12:15:30,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:15:30,311 INFO L495 AbstractCegarLoop]: Abstraction has 6687 states and 9453 transitions. [2022-11-20 12:15:30,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.5) internal successors, (70), 3 states have internal predecessors, (70), 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 12:15:30,311 INFO L276 IsEmpty]: Start isEmpty. Operand 6687 states and 9453 transitions. [2022-11-20 12:15:30,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-11-20 12:15:30,313 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:15:30,313 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2022-11-20 12:15:30,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (16)] Forceful destruction successful, exit code 0 [2022-11-20 12:15:30,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:15:30,526 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-20 12:15:30,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:15:30,527 INFO L85 PathProgramCache]: Analyzing trace with hash 942750478, now seen corresponding path program 1 times [2022-11-20 12:15:30,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:15:30,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [801168072] [2022-11-20 12:15:30,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:15:30,529 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:15:30,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:15:30,530 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:15:30,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Waiting until timeout for monitored process [2022-11-20 12:15:31,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:15:31,785 INFO L263 TraceCheckSpWp]: Trace formula consists of 1602 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:15:31,787 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:15:32,116 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 12:15:32,117 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:15:32,117 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:15:32,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [801168072] [2022-11-20 12:15:32,117 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [801168072] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:15:32,117 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:15:32,117 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:15:32,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546435504] [2022-11-20 12:15:32,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:15:32,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:15:32,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:15:32,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:15:32,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:15:32,119 INFO L87 Difference]: Start difference. First operand 6687 states and 9453 transitions. Second operand has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 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 12:15:32,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:15:32,945 INFO L93 Difference]: Finished difference Result 6687 states and 9453 transitions. [2022-11-20 12:15:32,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:15:32,946 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 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 122 [2022-11-20 12:15:32,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:15:32,970 INFO L225 Difference]: With dead ends: 6687 [2022-11-20 12:15:32,970 INFO L226 Difference]: Without dead ends: 6685 [2022-11-20 12:15:32,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:15:32,976 INFO L413 NwaCegarLoop]: 3388 mSDtfsCounter, 3283 mSDsluCounter, 3386 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3285 SdHoareTripleChecker+Valid, 6774 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 12:15:32,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3285 Valid, 6774 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:15:32,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6685 states. [2022-11-20 12:15:34,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6685 to 6685. [2022-11-20 12:15:34,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6685 states, 4331 states have (on average 1.2694527822673747) internal successors, (5498), 4501 states have internal predecessors, (5498), 1924 states have call successors, (1924), 419 states have call predecessors, (1924), 413 states have return successors, (2029), 1868 states have call predecessors, (2029), 1922 states have call successors, (2029) [2022-11-20 12:15:34,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6685 states to 6685 states and 9451 transitions. [2022-11-20 12:15:34,099 INFO L78 Accepts]: Start accepts. Automaton has 6685 states and 9451 transitions. Word has length 122 [2022-11-20 12:15:34,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:15:34,100 INFO L495 AbstractCegarLoop]: Abstraction has 6685 states and 9451 transitions. [2022-11-20 12:15:34,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.5) internal successors, (74), 3 states have internal predecessors, (74), 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 12:15:34,100 INFO L276 IsEmpty]: Start isEmpty. Operand 6685 states and 9451 transitions. [2022-11-20 12:15:34,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2022-11-20 12:15:34,102 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:15:34,102 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:15:34,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (17)] Forceful destruction successful, exit code 0 [2022-11-20 12:15:34,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:15:34,303 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-20 12:15:34,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:15:34,303 INFO L85 PathProgramCache]: Analyzing trace with hash 1649869559, now seen corresponding path program 1 times [2022-11-20 12:15:34,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:15:34,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [707856271] [2022-11-20 12:15:34,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:15:34,305 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:15:34,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:15:34,306 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:15:34,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Waiting until timeout for monitored process [2022-11-20 12:15:35,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:15:35,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 1611 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:15:35,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:15:35,922 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 12:15:35,922 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:15:35,922 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:15:35,922 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [707856271] [2022-11-20 12:15:35,922 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [707856271] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:15:35,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:15:35,923 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:15:35,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331188658] [2022-11-20 12:15:35,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:15:35,923 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:15:35,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:15:35,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:15:35,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:15:35,924 INFO L87 Difference]: Start difference. First operand 6685 states and 9451 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 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 12:15:37,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:15:37,091 INFO L93 Difference]: Finished difference Result 6685 states and 9451 transitions. [2022-11-20 12:15:37,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:15:37,091 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 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 128 [2022-11-20 12:15:37,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:15:37,112 INFO L225 Difference]: With dead ends: 6685 [2022-11-20 12:15:37,112 INFO L226 Difference]: Without dead ends: 6683 [2022-11-20 12:15:37,117 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:15:37,117 INFO L413 NwaCegarLoop]: 3386 mSDtfsCounter, 3275 mSDsluCounter, 3384 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3277 SdHoareTripleChecker+Valid, 6770 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 12:15:37,118 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3277 Valid, 6770 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:15:37,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6683 states. [2022-11-20 12:15:38,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6683 to 6683. [2022-11-20 12:15:38,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6683 states, 4330 states have (on average 1.269284064665127) internal successors, (5496), 4499 states have internal predecessors, (5496), 1924 states have call successors, (1924), 419 states have call predecessors, (1924), 413 states have return successors, (2029), 1868 states have call predecessors, (2029), 1922 states have call successors, (2029) [2022-11-20 12:15:38,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6683 states to 6683 states and 9449 transitions. [2022-11-20 12:15:38,147 INFO L78 Accepts]: Start accepts. Automaton has 6683 states and 9449 transitions. Word has length 128 [2022-11-20 12:15:38,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:15:38,148 INFO L495 AbstractCegarLoop]: Abstraction has 6683 states and 9449 transitions. [2022-11-20 12:15:38,148 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 3 states have internal predecessors, (78), 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 12:15:38,148 INFO L276 IsEmpty]: Start isEmpty. Operand 6683 states and 9449 transitions. [2022-11-20 12:15:38,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-11-20 12:15:38,150 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:15:38,151 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-20 12:15:38,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (18)] Forceful destruction successful, exit code 0 [2022-11-20 12:15:38,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:15:38,365 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_net_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-20 12:15:38,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:15:38,366 INFO L85 PathProgramCache]: Analyzing trace with hash 1569027943, now seen corresponding path program 1 times [2022-11-20 12:15:38,368 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:15:38,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1684030623] [2022-11-20 12:15:38,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:15:38,368 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:15:38,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:15:38,369 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:15:38,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Waiting until timeout for monitored process [2022-11-20 12:15:40,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:15:40,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 1873 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-20 12:15:40,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:15:40,203 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-11-20 12:15:40,204 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:15:40,204 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:15:40,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1684030623] [2022-11-20 12:15:40,204 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1684030623] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:15:40,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:15:40,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 12:15:40,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936881169] [2022-11-20 12:15:40,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:15:40,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:15:40,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:15:40,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:15:40,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:15:40,207 INFO L87 Difference]: Start difference. First operand 6683 states and 9449 transitions. Second operand has 6 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-20 12:15:41,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:15:41,690 INFO L93 Difference]: Finished difference Result 13349 states and 19078 transitions. [2022-11-20 12:15:41,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:15:41,691 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 154 [2022-11-20 12:15:41,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:15:41,712 INFO L225 Difference]: With dead ends: 13349 [2022-11-20 12:15:41,712 INFO L226 Difference]: Without dead ends: 6691 [2022-11-20 12:15:41,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:15:41,732 INFO L413 NwaCegarLoop]: 3349 mSDtfsCounter, 3 mSDsluCounter, 13350 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 16699 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 12:15:41,732 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 16699 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 12:15:41,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6691 states. [2022-11-20 12:15:42,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6691 to 6683. [2022-11-20 12:15:42,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6683 states, 4330 states have (on average 1.2683602771362588) internal successors, (5492), 4499 states have internal predecessors, (5492), 1924 states have call successors, (1924), 419 states have call predecessors, (1924), 413 states have return successors, (2029), 1868 states have call predecessors, (2029), 1922 states have call successors, (2029) [2022-11-20 12:15:42,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6683 states to 6683 states and 9445 transitions. [2022-11-20 12:15:42,646 INFO L78 Accepts]: Start accepts. Automaton has 6683 states and 9445 transitions. Word has length 154 [2022-11-20 12:15:42,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:15:42,646 INFO L495 AbstractCegarLoop]: Abstraction has 6683 states and 9445 transitions. [2022-11-20 12:15:42,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-20 12:15:42,647 INFO L276 IsEmpty]: Start isEmpty. Operand 6683 states and 9445 transitions. [2022-11-20 12:15:42,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2022-11-20 12:15:42,649 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:15:42,649 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-20 12:15:42,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (19)] Ended with exit code 0 [2022-11-20 12:15:42,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:15:42,851 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_net_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-20 12:15:42,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:15:42,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1174661157, now seen corresponding path program 1 times [2022-11-20 12:15:42,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:15:42,852 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1892087129] [2022-11-20 12:15:42,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:15:42,853 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:15:42,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:15:42,853 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:15:42,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Waiting until timeout for monitored process [2022-11-20 12:15:44,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:15:44,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 1873 conjuncts, 33 conjunts are in the unsatisfiable core [2022-11-20 12:15:44,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:15:45,349 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2022-11-20 12:15:45,349 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:15:45,349 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:15:45,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1892087129] [2022-11-20 12:15:45,350 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1892087129] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:15:45,350 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:15:45,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-11-20 12:15:45,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799040747] [2022-11-20 12:15:45,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:15:45,351 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-20 12:15:45,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:15:45,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-20 12:15:45,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2022-11-20 12:15:45,352 INFO L87 Difference]: Start difference. First operand 6683 states and 9445 transitions. Second operand has 14 states, 12 states have (on average 5.333333333333333) internal successors, (64), 10 states have internal predecessors, (64), 4 states have call successors, (22), 2 states have call predecessors, (22), 6 states have return successors, (21), 6 states have call predecessors, (21), 4 states have call successors, (21) [2022-11-20 12:15:47,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:15:50,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:15:50,616 INFO L93 Difference]: Finished difference Result 13789 states and 19739 transitions. [2022-11-20 12:15:50,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-20 12:15:50,617 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 5.333333333333333) internal successors, (64), 10 states have internal predecessors, (64), 4 states have call successors, (22), 2 states have call predecessors, (22), 6 states have return successors, (21), 6 states have call predecessors, (21), 4 states have call successors, (21) Word has length 154 [2022-11-20 12:15:50,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:15:50,649 INFO L225 Difference]: With dead ends: 13789 [2022-11-20 12:15:50,649 INFO L226 Difference]: Without dead ends: 7131 [2022-11-20 12:15:50,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2022-11-20 12:15:50,740 INFO L413 NwaCegarLoop]: 3368 mSDtfsCounter, 316 mSDsluCounter, 40125 mSDsCounter, 0 mSdLazyCounter, 790 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 350 SdHoareTripleChecker+Valid, 43493 SdHoareTripleChecker+Invalid, 855 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 790 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-20 12:15:50,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [350 Valid, 43493 Invalid, 855 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [65 Valid, 790 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2022-11-20 12:15:50,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7131 states. [2022-11-20 12:15:51,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7131 to 6713. [2022-11-20 12:15:51,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6713 states, 4349 states have (on average 1.267187859277995) internal successors, (5511), 4521 states have internal predecessors, (5511), 1928 states have call successors, (1928), 419 states have call predecessors, (1928), 420 states have return successors, (2044), 1876 states have call predecessors, (2044), 1926 states have call successors, (2044) [2022-11-20 12:15:51,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6713 states to 6713 states and 9483 transitions. [2022-11-20 12:15:51,629 INFO L78 Accepts]: Start accepts. Automaton has 6713 states and 9483 transitions. Word has length 154 [2022-11-20 12:15:51,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:15:51,630 INFO L495 AbstractCegarLoop]: Abstraction has 6713 states and 9483 transitions. [2022-11-20 12:15:51,630 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 5.333333333333333) internal successors, (64), 10 states have internal predecessors, (64), 4 states have call successors, (22), 2 states have call predecessors, (22), 6 states have return successors, (21), 6 states have call predecessors, (21), 4 states have call successors, (21) [2022-11-20 12:15:51,631 INFO L276 IsEmpty]: Start isEmpty. Operand 6713 states and 9483 transitions. [2022-11-20 12:15:51,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-11-20 12:15:51,633 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:15:51,633 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-20 12:15:51,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (20)] Forceful destruction successful, exit code 0 [2022-11-20 12:15:51,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:15:51,838 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_net_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-20 12:15:51,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:15:51,839 INFO L85 PathProgramCache]: Analyzing trace with hash -1096473865, now seen corresponding path program 1 times [2022-11-20 12:15:51,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:15:51,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [850173384] [2022-11-20 12:15:51,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:15:51,840 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 12:15:51,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:15:51,841 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:15:51,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Waiting until timeout for monitored process [2022-11-20 12:15:53,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:15:53,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 1886 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:15:53,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:15:53,725 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-20 12:15:53,725 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:15:53,726 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:15:53,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [850173384] [2022-11-20 12:15:53,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [850173384] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:15:53,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:15:53,726 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:15:53,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814095816] [2022-11-20 12:15:53,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:15:53,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:15:53,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:15:53,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:15:53,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:15:53,728 INFO L87 Difference]: Start difference. First operand 6713 states and 9483 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-20 12:15:54,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:15:54,761 INFO L93 Difference]: Finished difference Result 13395 states and 18931 transitions. [2022-11-20 12:15:54,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:15:54,761 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 155 [2022-11-20 12:15:54,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:15:54,785 INFO L225 Difference]: With dead ends: 13395 [2022-11-20 12:15:54,786 INFO L226 Difference]: Without dead ends: 6707 [2022-11-20 12:15:54,804 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:15:54,805 INFO L413 NwaCegarLoop]: 3381 mSDtfsCounter, 3328 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3328 SdHoareTripleChecker+Valid, 3381 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:15:54,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3328 Valid, 3381 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 12:15:54,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6707 states. [2022-11-20 12:15:55,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6707 to 6707. [2022-11-20 12:15:55,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6707 states, 4344 states have (on average 1.2665745856353592) internal successors, (5502), 4515 states have internal predecessors, (5502), 1928 states have call successors, (1928), 419 states have call predecessors, (1928), 420 states have return successors, (2044), 1876 states have call predecessors, (2044), 1926 states have call successors, (2044) [2022-11-20 12:15:55,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6707 states to 6707 states and 9474 transitions. [2022-11-20 12:15:55,790 INFO L78 Accepts]: Start accepts. Automaton has 6707 states and 9474 transitions. Word has length 155 [2022-11-20 12:15:55,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:15:55,790 INFO L495 AbstractCegarLoop]: Abstraction has 6707 states and 9474 transitions. [2022-11-20 12:15:55,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-20 12:15:55,791 INFO L276 IsEmpty]: Start isEmpty. Operand 6707 states and 9474 transitions. [2022-11-20 12:15:55,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-20 12:15:55,792 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:15:55,793 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:15:55,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (21)] Forceful destruction successful, exit code 0 [2022-11-20 12:15:55,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:15:55,993 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-20 12:15:55,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:15:55,994 INFO L85 PathProgramCache]: Analyzing trace with hash 538270320, now seen corresponding path program 1 times [2022-11-20 12:15:55,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:15:55,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [950750523] [2022-11-20 12:15:55,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:15:55,995 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:15:55,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:15:55,996 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:15:55,997 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Waiting until timeout for monitored process [2022-11-20 12:15:57,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:15:57,234 INFO L263 TraceCheckSpWp]: Trace formula consists of 1620 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:15:57,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:15:57,605 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 12:15:57,605 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:15:57,605 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:15:57,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [950750523] [2022-11-20 12:15:57,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [950750523] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:15:57,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:15:57,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:15:57,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145568124] [2022-11-20 12:15:57,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:15:57,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:15:57,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:15:57,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:15:57,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:15:57,607 INFO L87 Difference]: Start difference. First operand 6707 states and 9474 transitions. Second operand has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 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 12:15:58,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:15:58,902 INFO L93 Difference]: Finished difference Result 6707 states and 9474 transitions. [2022-11-20 12:15:58,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:15:58,902 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 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 134 [2022-11-20 12:15:58,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:15:58,920 INFO L225 Difference]: With dead ends: 6707 [2022-11-20 12:15:58,920 INFO L226 Difference]: Without dead ends: 6705 [2022-11-20 12:15:58,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:15:58,924 INFO L413 NwaCegarLoop]: 3378 mSDtfsCounter, 3261 mSDsluCounter, 3376 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3263 SdHoareTripleChecker+Valid, 6754 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 12:15:58,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3263 Valid, 6754 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:15:58,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6705 states. [2022-11-20 12:15:59,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6705 to 6705. [2022-11-20 12:15:59,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6705 states, 4343 states have (on average 1.2664057103384756) internal successors, (5500), 4513 states have internal predecessors, (5500), 1928 states have call successors, (1928), 419 states have call predecessors, (1928), 420 states have return successors, (2044), 1876 states have call predecessors, (2044), 1926 states have call successors, (2044) [2022-11-20 12:15:59,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6705 states to 6705 states and 9472 transitions. [2022-11-20 12:15:59,882 INFO L78 Accepts]: Start accepts. Automaton has 6705 states and 9472 transitions. Word has length 134 [2022-11-20 12:15:59,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:15:59,883 INFO L495 AbstractCegarLoop]: Abstraction has 6705 states and 9472 transitions. [2022-11-20 12:15:59,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.5) internal successors, (82), 3 states have internal predecessors, (82), 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 12:15:59,883 INFO L276 IsEmpty]: Start isEmpty. Operand 6705 states and 9472 transitions. [2022-11-20 12:15:59,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-11-20 12:15:59,885 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:15:59,886 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:15:59,914 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (22)] Forceful destruction successful, exit code 0 [2022-11-20 12:16:00,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:16:00,099 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-20 12:16:00,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:16:00,099 INFO L85 PathProgramCache]: Analyzing trace with hash -599736421, now seen corresponding path program 1 times [2022-11-20 12:16:00,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:16:00,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [693245587] [2022-11-20 12:16:00,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:16:00,101 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:16:00,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:16:00,103 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:16:00,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Waiting until timeout for monitored process [2022-11-20 12:16:01,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:16:01,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 1629 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:16:01,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:16:01,772 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 12:16:01,772 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:16:01,772 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:16:01,772 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [693245587] [2022-11-20 12:16:01,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [693245587] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:16:01,773 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:16:01,773 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:16:01,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877366080] [2022-11-20 12:16:01,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:16:01,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:16:01,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:16:01,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:16:01,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:16:01,774 INFO L87 Difference]: Start difference. First operand 6705 states and 9472 transitions. Second operand has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 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 12:16:02,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:16:02,706 INFO L93 Difference]: Finished difference Result 6705 states and 9472 transitions. [2022-11-20 12:16:02,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:16:02,707 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 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 140 [2022-11-20 12:16:02,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:16:02,739 INFO L225 Difference]: With dead ends: 6705 [2022-11-20 12:16:02,739 INFO L226 Difference]: Without dead ends: 6703 [2022-11-20 12:16:02,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:16:02,745 INFO L413 NwaCegarLoop]: 3376 mSDtfsCounter, 3253 mSDsluCounter, 3374 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3255 SdHoareTripleChecker+Valid, 6750 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 12:16:02,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3255 Valid, 6750 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:16:02,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6703 states. [2022-11-20 12:16:03,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6703 to 6703. [2022-11-20 12:16:03,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6703 states, 4342 states have (on average 1.2662367572547213) internal successors, (5498), 4511 states have internal predecessors, (5498), 1928 states have call successors, (1928), 419 states have call predecessors, (1928), 420 states have return successors, (2044), 1876 states have call predecessors, (2044), 1926 states have call successors, (2044) [2022-11-20 12:16:03,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6703 states to 6703 states and 9470 transitions. [2022-11-20 12:16:03,750 INFO L78 Accepts]: Start accepts. Automaton has 6703 states and 9470 transitions. Word has length 140 [2022-11-20 12:16:03,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:16:03,750 INFO L495 AbstractCegarLoop]: Abstraction has 6703 states and 9470 transitions. [2022-11-20 12:16:03,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.5) internal successors, (86), 3 states have internal predecessors, (86), 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 12:16:03,750 INFO L276 IsEmpty]: Start isEmpty. Operand 6703 states and 9470 transitions. [2022-11-20 12:16:03,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-11-20 12:16:03,751 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:16:03,751 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:16:03,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (23)] Forceful destruction successful, exit code 0 [2022-11-20 12:16:03,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:16:03,952 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_usb_register_check_return_value_probeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-20 12:16:03,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:16:03,952 INFO L85 PathProgramCache]: Analyzing trace with hash -956651443, now seen corresponding path program 1 times [2022-11-20 12:16:03,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:16:03,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [211111605] [2022-11-20 12:16:03,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:16:03,954 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:16:03,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:16:03,955 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:16:03,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Waiting until timeout for monitored process [2022-11-20 12:16:05,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:16:05,671 INFO L263 TraceCheckSpWp]: Trace formula consists of 1899 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:16:05,674 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:16:05,869 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2022-11-20 12:16:05,869 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:16:05,870 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:16:05,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [211111605] [2022-11-20 12:16:05,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [211111605] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:16:05,870 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:16:05,870 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:16:05,870 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103591761] [2022-11-20 12:16:05,870 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:16:05,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:16:05,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:16:05,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:16:05,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:16:05,872 INFO L87 Difference]: Start difference. First operand 6703 states and 9470 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-20 12:16:07,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:16:07,103 INFO L93 Difference]: Finished difference Result 13375 states and 18905 transitions. [2022-11-20 12:16:07,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:16:07,104 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 164 [2022-11-20 12:16:07,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:16:07,122 INFO L225 Difference]: With dead ends: 13375 [2022-11-20 12:16:07,122 INFO L226 Difference]: Without dead ends: 6697 [2022-11-20 12:16:07,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:16:07,135 INFO L413 NwaCegarLoop]: 3372 mSDtfsCounter, 3314 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3314 SdHoareTripleChecker+Valid, 3372 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 12:16:07,135 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3314 Valid, 3372 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 12:16:07,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6697 states. [2022-11-20 12:16:08,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6697 to 6697. [2022-11-20 12:16:08,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6697 states, 4337 states have (on average 1.2656213972792252) internal successors, (5489), 4505 states have internal predecessors, (5489), 1928 states have call successors, (1928), 419 states have call predecessors, (1928), 420 states have return successors, (2044), 1876 states have call predecessors, (2044), 1926 states have call successors, (2044) [2022-11-20 12:16:08,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6697 states to 6697 states and 9461 transitions. [2022-11-20 12:16:08,121 INFO L78 Accepts]: Start accepts. Automaton has 6697 states and 9461 transitions. Word has length 164 [2022-11-20 12:16:08,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:16:08,121 INFO L495 AbstractCegarLoop]: Abstraction has 6697 states and 9461 transitions. [2022-11-20 12:16:08,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-20 12:16:08,121 INFO L276 IsEmpty]: Start isEmpty. Operand 6697 states and 9461 transitions. [2022-11-20 12:16:08,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-11-20 12:16:08,123 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:16:08,124 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:16:08,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (24)] Ended with exit code 0 [2022-11-20 12:16:08,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:16:08,348 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-20 12:16:08,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:16:08,348 INFO L85 PathProgramCache]: Analyzing trace with hash 1767962135, now seen corresponding path program 1 times [2022-11-20 12:16:08,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:16:08,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [716372594] [2022-11-20 12:16:08,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:16:08,350 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:16:08,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:16:08,350 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:16:08,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Waiting until timeout for monitored process [2022-11-20 12:16:09,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:16:09,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 1638 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:16:09,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:16:09,995 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 12:16:09,996 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:16:09,996 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:16:09,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [716372594] [2022-11-20 12:16:09,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [716372594] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:16:09,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:16:09,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:16:09,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851211108] [2022-11-20 12:16:09,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:16:09,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:16:09,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:16:09,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:16:09,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:16:09,998 INFO L87 Difference]: Start difference. First operand 6697 states and 9461 transitions. Second operand has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 states have internal predecessors, (90), 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 12:16:11,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:16:11,035 INFO L93 Difference]: Finished difference Result 6697 states and 9461 transitions. [2022-11-20 12:16:11,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:16:11,036 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 states have internal predecessors, (90), 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 146 [2022-11-20 12:16:11,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:16:11,054 INFO L225 Difference]: With dead ends: 6697 [2022-11-20 12:16:11,055 INFO L226 Difference]: Without dead ends: 6695 [2022-11-20 12:16:11,058 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:16:11,059 INFO L413 NwaCegarLoop]: 3369 mSDtfsCounter, 3240 mSDsluCounter, 3367 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3242 SdHoareTripleChecker+Valid, 6736 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 12:16:11,059 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3242 Valid, 6736 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:16:11,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6695 states. [2022-11-20 12:16:12,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6695 to 6695. [2022-11-20 12:16:12,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6695 states, 4336 states have (on average 1.2654520295202951) internal successors, (5487), 4503 states have internal predecessors, (5487), 1928 states have call successors, (1928), 419 states have call predecessors, (1928), 420 states have return successors, (2044), 1876 states have call predecessors, (2044), 1926 states have call successors, (2044) [2022-11-20 12:16:12,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6695 states to 6695 states and 9459 transitions. [2022-11-20 12:16:12,126 INFO L78 Accepts]: Start accepts. Automaton has 6695 states and 9459 transitions. Word has length 146 [2022-11-20 12:16:12,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:16:12,127 INFO L495 AbstractCegarLoop]: Abstraction has 6695 states and 9459 transitions. [2022-11-20 12:16:12,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 3 states have internal predecessors, (90), 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 12:16:12,127 INFO L276 IsEmpty]: Start isEmpty. Operand 6695 states and 9459 transitions. [2022-11-20 12:16:12,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-11-20 12:16:12,128 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:16:12,129 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:16:12,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (25)] Forceful destruction successful, exit code 0 [2022-11-20 12:16:12,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:16:12,329 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-20 12:16:12,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:16:12,329 INFO L85 PathProgramCache]: Analyzing trace with hash -911789814, now seen corresponding path program 1 times [2022-11-20 12:16:12,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:16:12,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1200343500] [2022-11-20 12:16:12,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:16:12,331 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:16:12,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:16:12,332 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:16:12,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Waiting until timeout for monitored process [2022-11-20 12:16:13,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:16:13,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 1647 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:16:13,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:16:13,981 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 12:16:13,981 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:16:13,981 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:16:13,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1200343500] [2022-11-20 12:16:13,981 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1200343500] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:16:13,981 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:16:13,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:16:13,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100432966] [2022-11-20 12:16:13,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:16:13,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:16:13,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:16:13,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:16:13,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:16:13,983 INFO L87 Difference]: Start difference. First operand 6695 states and 9459 transitions. Second operand has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 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 12:16:15,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:16:15,062 INFO L93 Difference]: Finished difference Result 6695 states and 9459 transitions. [2022-11-20 12:16:15,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:16:15,063 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 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 152 [2022-11-20 12:16:15,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:16:15,080 INFO L225 Difference]: With dead ends: 6695 [2022-11-20 12:16:15,080 INFO L226 Difference]: Without dead ends: 6693 [2022-11-20 12:16:15,084 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:16:15,084 INFO L413 NwaCegarLoop]: 3367 mSDtfsCounter, 3232 mSDsluCounter, 3365 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3234 SdHoareTripleChecker+Valid, 6732 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 12:16:15,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3234 Valid, 6732 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:16:15,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6693 states. [2022-11-20 12:16:16,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6693 to 6693. [2022-11-20 12:16:16,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6693 states, 4335 states have (on average 1.2652825836216839) internal successors, (5485), 4501 states have internal predecessors, (5485), 1928 states have call successors, (1928), 419 states have call predecessors, (1928), 420 states have return successors, (2044), 1876 states have call predecessors, (2044), 1926 states have call successors, (2044) [2022-11-20 12:16:16,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6693 states to 6693 states and 9457 transitions. [2022-11-20 12:16:16,217 INFO L78 Accepts]: Start accepts. Automaton has 6693 states and 9457 transitions. Word has length 152 [2022-11-20 12:16:16,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:16:16,218 INFO L495 AbstractCegarLoop]: Abstraction has 6693 states and 9457 transitions. [2022-11-20 12:16:16,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.5) internal successors, (94), 3 states have internal predecessors, (94), 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 12:16:16,218 INFO L276 IsEmpty]: Start isEmpty. Operand 6693 states and 9457 transitions. [2022-11-20 12:16:16,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2022-11-20 12:16:16,220 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:16:16,220 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:16:16,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (26)] Forceful destruction successful, exit code 0 [2022-11-20 12:16:16,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:16:16,444 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-20 12:16:16,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:16:16,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1234259642, now seen corresponding path program 1 times [2022-11-20 12:16:16,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:16:16,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1486333924] [2022-11-20 12:16:16,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:16:16,446 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:16:16,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:16:16,447 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:16:16,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Waiting until timeout for monitored process [2022-11-20 12:16:17,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:16:17,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 1656 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:16:17,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:16:18,179 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 12:16:18,179 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:16:18,179 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:16:18,179 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1486333924] [2022-11-20 12:16:18,179 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1486333924] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:16:18,180 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:16:18,180 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:16:18,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128732186] [2022-11-20 12:16:18,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:16:18,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:16:18,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:16:18,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:16:18,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:16:18,181 INFO L87 Difference]: Start difference. First operand 6693 states and 9457 transitions. Second operand has 4 states, 4 states have (on average 24.5) internal successors, (98), 3 states have internal predecessors, (98), 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 12:16:19,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:16:19,438 INFO L93 Difference]: Finished difference Result 6693 states and 9457 transitions. [2022-11-20 12:16:19,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:16:19,438 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 3 states have internal predecessors, (98), 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 158 [2022-11-20 12:16:19,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:16:19,457 INFO L225 Difference]: With dead ends: 6693 [2022-11-20 12:16:19,457 INFO L226 Difference]: Without dead ends: 6691 [2022-11-20 12:16:19,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:16:19,462 INFO L413 NwaCegarLoop]: 3365 mSDtfsCounter, 3224 mSDsluCounter, 3363 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3226 SdHoareTripleChecker+Valid, 6728 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 12:16:19,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3226 Valid, 6728 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:16:19,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6691 states. [2022-11-20 12:16:20,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6691 to 6691. [2022-11-20 12:16:20,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6691 states, 4334 states have (on average 1.2651130595293032) internal successors, (5483), 4499 states have internal predecessors, (5483), 1928 states have call successors, (1928), 419 states have call predecessors, (1928), 420 states have return successors, (2044), 1876 states have call predecessors, (2044), 1926 states have call successors, (2044) [2022-11-20 12:16:20,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6691 states to 6691 states and 9455 transitions. [2022-11-20 12:16:20,715 INFO L78 Accepts]: Start accepts. Automaton has 6691 states and 9455 transitions. Word has length 158 [2022-11-20 12:16:20,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:16:20,715 INFO L495 AbstractCegarLoop]: Abstraction has 6691 states and 9455 transitions. [2022-11-20 12:16:20,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.5) internal successors, (98), 3 states have internal predecessors, (98), 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 12:16:20,716 INFO L276 IsEmpty]: Start isEmpty. Operand 6691 states and 9455 transitions. [2022-11-20 12:16:20,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-11-20 12:16:20,718 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:16:20,719 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-20 12:16:20,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (27)] Forceful destruction successful, exit code 0 [2022-11-20 12:16:20,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:16:20,943 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-20 12:16:20,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:16:20,943 INFO L85 PathProgramCache]: Analyzing trace with hash 1664100271, now seen corresponding path program 1 times [2022-11-20 12:16:20,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:16:20,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [112502666] [2022-11-20 12:16:20,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:16:20,945 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:16:20,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:16:20,946 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:16:20,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Waiting until timeout for monitored process [2022-11-20 12:16:22,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:16:22,846 INFO L263 TraceCheckSpWp]: Trace formula consists of 2026 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-20 12:16:22,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:16:22,932 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-11-20 12:16:22,932 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:16:22,932 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:16:22,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [112502666] [2022-11-20 12:16:22,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [112502666] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:16:22,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:16:22,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 12:16:22,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614560059] [2022-11-20 12:16:22,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:16:22,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:16:22,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:16:22,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:16:22,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:16:22,935 INFO L87 Difference]: Start difference. First operand 6691 states and 9455 transitions. Second operand has 6 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-20 12:16:24,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:16:24,689 INFO L93 Difference]: Finished difference Result 13427 states and 19198 transitions. [2022-11-20 12:16:24,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:16:24,690 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 180 [2022-11-20 12:16:24,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:16:24,712 INFO L225 Difference]: With dead ends: 13427 [2022-11-20 12:16:24,712 INFO L226 Difference]: Without dead ends: 6761 [2022-11-20 12:16:24,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:16:24,731 INFO L413 NwaCegarLoop]: 3346 mSDtfsCounter, 21 mSDsluCounter, 13324 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 16670 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 12:16:24,731 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 16670 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 12:16:24,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6761 states. [2022-11-20 12:16:25,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6761 to 6691. [2022-11-20 12:16:25,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6691 states, 4334 states have (on average 1.264190124596216) internal successors, (5479), 4499 states have internal predecessors, (5479), 1928 states have call successors, (1928), 419 states have call predecessors, (1928), 420 states have return successors, (2044), 1876 states have call predecessors, (2044), 1926 states have call successors, (2044) [2022-11-20 12:16:25,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6691 states to 6691 states and 9451 transitions. [2022-11-20 12:16:25,902 INFO L78 Accepts]: Start accepts. Automaton has 6691 states and 9451 transitions. Word has length 180 [2022-11-20 12:16:25,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:16:25,902 INFO L495 AbstractCegarLoop]: Abstraction has 6691 states and 9451 transitions. [2022-11-20 12:16:25,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.2) internal successors, (81), 5 states have internal predecessors, (81), 3 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-20 12:16:25,903 INFO L276 IsEmpty]: Start isEmpty. Operand 6691 states and 9451 transitions. [2022-11-20 12:16:25,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-11-20 12:16:25,905 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:16:25,905 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2022-11-20 12:16:25,935 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (28)] Forceful destruction successful, exit code 0 [2022-11-20 12:16:26,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:16:26,121 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-20 12:16:26,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:16:26,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1950808655, now seen corresponding path program 1 times [2022-11-20 12:16:26,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:16:26,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1818618022] [2022-11-20 12:16:26,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:16:26,123 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:16:26,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:16:26,123 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:16:26,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Waiting until timeout for monitored process [2022-11-20 12:16:27,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:16:28,064 INFO L263 TraceCheckSpWp]: Trace formula consists of 2026 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 12:16:28,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:16:28,123 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2022-11-20 12:16:28,123 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:16:28,123 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:16:28,124 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1818618022] [2022-11-20 12:16:28,124 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1818618022] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:16:28,124 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:16:28,124 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 12:16:28,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [408523854] [2022-11-20 12:16:28,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:16:28,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:16:28,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:16:28,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:16:28,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:16:28,126 INFO L87 Difference]: Start difference. First operand 6691 states and 9451 transitions. Second operand has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-20 12:16:30,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:16:30,295 INFO L93 Difference]: Finished difference Result 13505 states and 19310 transitions. [2022-11-20 12:16:30,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:16:30,296 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 180 [2022-11-20 12:16:30,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:16:30,318 INFO L225 Difference]: With dead ends: 13505 [2022-11-20 12:16:30,318 INFO L226 Difference]: Without dead ends: 6839 [2022-11-20 12:16:30,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:16:30,338 INFO L413 NwaCegarLoop]: 3377 mSDtfsCounter, 22 mSDsluCounter, 6715 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 10092 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-20 12:16:30,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 10092 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-20 12:16:30,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6839 states. [2022-11-20 12:16:31,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6839 to 6787. [2022-11-20 12:16:31,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6787 states, 4410 states have (on average 1.2641723356009071) internal successors, (5575), 4575 states have internal predecessors, (5575), 1948 states have call successors, (1948), 419 states have call predecessors, (1948), 420 states have return successors, (2066), 1896 states have call predecessors, (2066), 1946 states have call successors, (2066) [2022-11-20 12:16:31,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6787 states to 6787 states and 9589 transitions. [2022-11-20 12:16:31,571 INFO L78 Accepts]: Start accepts. Automaton has 6787 states and 9589 transitions. Word has length 180 [2022-11-20 12:16:31,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:16:31,571 INFO L495 AbstractCegarLoop]: Abstraction has 6787 states and 9589 transitions. [2022-11-20 12:16:31,572 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.75) internal successors, (79), 4 states have internal predecessors, (79), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-20 12:16:31,572 INFO L276 IsEmpty]: Start isEmpty. Operand 6787 states and 9589 transitions. [2022-11-20 12:16:31,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-11-20 12:16:31,574 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:16:31,574 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 12:16:31,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (29)] Forceful destruction successful, exit code 0 [2022-11-20 12:16:31,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:16:31,800 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-20 12:16:31,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:16:31,800 INFO L85 PathProgramCache]: Analyzing trace with hash 800762014, now seen corresponding path program 1 times [2022-11-20 12:16:31,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:16:31,802 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [426455984] [2022-11-20 12:16:31,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:16:31,802 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:16:31,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:16:31,803 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:16:31,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Waiting until timeout for monitored process [2022-11-20 12:16:33,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:16:33,764 INFO L263 TraceCheckSpWp]: Trace formula consists of 2030 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-20 12:16:33,768 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:16:33,822 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 159 trivial. 0 not checked. [2022-11-20 12:16:33,823 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:16:33,823 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:16:33,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [426455984] [2022-11-20 12:16:33,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [426455984] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:16:33,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:16:33,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 12:16:33,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579182931] [2022-11-20 12:16:33,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:16:33,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 12:16:33,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:16:33,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 12:16:33,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:16:33,825 INFO L87 Difference]: Start difference. First operand 6787 states and 9589 transitions. Second operand has 6 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-20 12:16:35,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:16:35,723 INFO L93 Difference]: Finished difference Result 13619 states and 19466 transitions. [2022-11-20 12:16:35,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 12:16:35,724 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 181 [2022-11-20 12:16:35,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:16:35,747 INFO L225 Difference]: With dead ends: 13619 [2022-11-20 12:16:35,747 INFO L226 Difference]: Without dead ends: 6857 [2022-11-20 12:16:35,767 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:16:35,768 INFO L413 NwaCegarLoop]: 3337 mSDtfsCounter, 21 mSDsluCounter, 13293 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 16630 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 12:16:35,768 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 16630 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 12:16:35,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6857 states. [2022-11-20 12:16:37,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6857 to 6787. [2022-11-20 12:16:37,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6787 states, 4410 states have (on average 1.263265306122449) internal successors, (5571), 4575 states have internal predecessors, (5571), 1948 states have call successors, (1948), 419 states have call predecessors, (1948), 420 states have return successors, (2066), 1896 states have call predecessors, (2066), 1946 states have call successors, (2066) [2022-11-20 12:16:37,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6787 states to 6787 states and 9585 transitions. [2022-11-20 12:16:37,150 INFO L78 Accepts]: Start accepts. Automaton has 6787 states and 9585 transitions. Word has length 181 [2022-11-20 12:16:37,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:16:37,150 INFO L495 AbstractCegarLoop]: Abstraction has 6787 states and 9585 transitions. [2022-11-20 12:16:37,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 3 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-20 12:16:37,151 INFO L276 IsEmpty]: Start isEmpty. Operand 6787 states and 9585 transitions. [2022-11-20 12:16:37,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2022-11-20 12:16:37,153 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:16:37,153 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 12:16:37,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (30)] Forceful destruction successful, exit code 0 [2022-11-20 12:16:37,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:16:37,355 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-20 12:16:37,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:16:37,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1480820384, now seen corresponding path program 1 times [2022-11-20 12:16:37,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:16:37,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1469812950] [2022-11-20 12:16:37,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:16:37,357 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:16:37,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:16:37,358 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:16:37,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Waiting until timeout for monitored process [2022-11-20 12:16:39,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:16:39,313 INFO L263 TraceCheckSpWp]: Trace formula consists of 2030 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 12:16:39,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:16:39,364 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2022-11-20 12:16:39,364 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:16:39,364 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:16:39,364 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1469812950] [2022-11-20 12:16:39,364 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1469812950] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:16:39,364 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:16:39,364 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 12:16:39,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786270897] [2022-11-20 12:16:39,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:16:39,365 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:16:39,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:16:39,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:16:39,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:16:39,366 INFO L87 Difference]: Start difference. First operand 6787 states and 9585 transitions. Second operand has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-20 12:16:40,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:16:40,953 INFO L93 Difference]: Finished difference Result 13693 states and 19570 transitions. [2022-11-20 12:16:40,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:16:40,954 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 181 [2022-11-20 12:16:40,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:16:40,980 INFO L225 Difference]: With dead ends: 13693 [2022-11-20 12:16:40,980 INFO L226 Difference]: Without dead ends: 6931 [2022-11-20 12:16:41,004 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:16:41,005 INFO L413 NwaCegarLoop]: 3375 mSDtfsCounter, 21 mSDsluCounter, 6714 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 10089 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 12:16:41,005 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 10089 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 12:16:41,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6931 states. [2022-11-20 12:16:42,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6931 to 6883. [2022-11-20 12:16:42,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6883 states, 4486 states have (on average 1.26326348640214) internal successors, (5667), 4651 states have internal predecessors, (5667), 1968 states have call successors, (1968), 419 states have call predecessors, (1968), 420 states have return successors, (2088), 1916 states have call predecessors, (2088), 1966 states have call successors, (2088) [2022-11-20 12:16:42,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6883 states to 6883 states and 9723 transitions. [2022-11-20 12:16:42,343 INFO L78 Accepts]: Start accepts. Automaton has 6883 states and 9723 transitions. Word has length 181 [2022-11-20 12:16:42,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:16:42,344 INFO L495 AbstractCegarLoop]: Abstraction has 6883 states and 9723 transitions. [2022-11-20 12:16:42,344 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 3 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-20 12:16:42,344 INFO L276 IsEmpty]: Start isEmpty. Operand 6883 states and 9723 transitions. [2022-11-20 12:16:42,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2022-11-20 12:16:42,345 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:16:42,345 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:16:42,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (31)] Forceful destruction successful, exit code 0 [2022-11-20 12:16:42,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:16:42,546 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-20 12:16:42,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:16:42,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1731559086, now seen corresponding path program 1 times [2022-11-20 12:16:42,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:16:42,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1087395100] [2022-11-20 12:16:42,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:16:42,548 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:16:42,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:16:42,549 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:16:42,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Waiting until timeout for monitored process [2022-11-20 12:16:43,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:16:43,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 1665 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:16:43,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:16:44,345 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 12:16:44,345 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:16:44,345 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:16:44,345 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1087395100] [2022-11-20 12:16:44,345 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1087395100] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:16:44,345 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:16:44,345 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:16:44,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544722790] [2022-11-20 12:16:44,346 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:16:44,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:16:44,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:16:44,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:16:44,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:16:44,347 INFO L87 Difference]: Start difference. First operand 6883 states and 9723 transitions. Second operand has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 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 12:16:45,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:16:45,474 INFO L93 Difference]: Finished difference Result 6883 states and 9723 transitions. [2022-11-20 12:16:45,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:16:45,474 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 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 164 [2022-11-20 12:16:45,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:16:45,492 INFO L225 Difference]: With dead ends: 6883 [2022-11-20 12:16:45,492 INFO L226 Difference]: Without dead ends: 6881 [2022-11-20 12:16:45,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:16:45,497 INFO L413 NwaCegarLoop]: 3361 mSDtfsCounter, 3214 mSDsluCounter, 3359 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3216 SdHoareTripleChecker+Valid, 6720 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 12:16:45,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3216 Valid, 6720 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:16:45,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6881 states. [2022-11-20 12:16:46,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6881 to 6881. [2022-11-20 12:16:46,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6881 states, 4485 states have (on average 1.2630992196209587) internal successors, (5665), 4649 states have internal predecessors, (5665), 1968 states have call successors, (1968), 419 states have call predecessors, (1968), 420 states have return successors, (2088), 1916 states have call predecessors, (2088), 1966 states have call successors, (2088) [2022-11-20 12:16:46,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6881 states to 6881 states and 9721 transitions. [2022-11-20 12:16:46,760 INFO L78 Accepts]: Start accepts. Automaton has 6881 states and 9721 transitions. Word has length 164 [2022-11-20 12:16:46,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:16:46,760 INFO L495 AbstractCegarLoop]: Abstraction has 6881 states and 9721 transitions. [2022-11-20 12:16:46,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.5) internal successors, (102), 3 states have internal predecessors, (102), 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 12:16:46,761 INFO L276 IsEmpty]: Start isEmpty. Operand 6881 states and 9721 transitions. [2022-11-20 12:16:46,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-11-20 12:16:46,762 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:16:46,762 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:16:46,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (32)] Forceful destruction successful, exit code 0 [2022-11-20 12:16:46,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:16:46,967 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-20 12:16:46,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:16:46,967 INFO L85 PathProgramCache]: Analyzing trace with hash 2098747083, now seen corresponding path program 1 times [2022-11-20 12:16:46,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:16:46,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1897938494] [2022-11-20 12:16:46,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:16:46,968 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:16:46,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:16:46,971 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:16:46,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Waiting until timeout for monitored process [2022-11-20 12:16:48,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:16:48,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 1674 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:16:48,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:16:48,778 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 12:16:48,778 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:16:48,779 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:16:48,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1897938494] [2022-11-20 12:16:48,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1897938494] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:16:48,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:16:48,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:16:48,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075947113] [2022-11-20 12:16:48,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:16:48,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:16:48,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:16:48,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:16:48,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:16:48,781 INFO L87 Difference]: Start difference. First operand 6881 states and 9721 transitions. Second operand has 4 states, 4 states have (on average 26.5) internal successors, (106), 3 states have internal predecessors, (106), 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 12:16:50,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:16:50,025 INFO L93 Difference]: Finished difference Result 6881 states and 9721 transitions. [2022-11-20 12:16:50,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:16:50,025 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 3 states have internal predecessors, (106), 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 170 [2022-11-20 12:16:50,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:16:50,046 INFO L225 Difference]: With dead ends: 6881 [2022-11-20 12:16:50,046 INFO L226 Difference]: Without dead ends: 6879 [2022-11-20 12:16:50,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:16:50,051 INFO L413 NwaCegarLoop]: 3359 mSDtfsCounter, 3206 mSDsluCounter, 3357 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3208 SdHoareTripleChecker+Valid, 6716 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 12:16:50,051 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3208 Valid, 6716 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:16:50,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6879 states. [2022-11-20 12:16:51,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6879 to 6879. [2022-11-20 12:16:51,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6879 states, 4484 states have (on average 1.262934879571811) internal successors, (5663), 4647 states have internal predecessors, (5663), 1968 states have call successors, (1968), 419 states have call predecessors, (1968), 420 states have return successors, (2088), 1916 states have call predecessors, (2088), 1966 states have call successors, (2088) [2022-11-20 12:16:51,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6879 states to 6879 states and 9719 transitions. [2022-11-20 12:16:51,362 INFO L78 Accepts]: Start accepts. Automaton has 6879 states and 9719 transitions. Word has length 170 [2022-11-20 12:16:51,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:16:51,363 INFO L495 AbstractCegarLoop]: Abstraction has 6879 states and 9719 transitions. [2022-11-20 12:16:51,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 26.5) internal successors, (106), 3 states have internal predecessors, (106), 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 12:16:51,363 INFO L276 IsEmpty]: Start isEmpty. Operand 6879 states and 9719 transitions. [2022-11-20 12:16:51,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-11-20 12:16:51,365 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:16:51,365 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:16:51,392 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (33)] Forceful destruction successful, exit code 0 [2022-11-20 12:16:51,565 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:16:51,565 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-20 12:16:51,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:16:51,566 INFO L85 PathProgramCache]: Analyzing trace with hash 1191753843, now seen corresponding path program 1 times [2022-11-20 12:16:51,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:16:51,568 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1775749399] [2022-11-20 12:16:51,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:16:51,568 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:16:51,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:16:51,569 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:16:51,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Waiting until timeout for monitored process [2022-11-20 12:16:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:16:52,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 1683 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:16:52,905 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:16:53,349 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 12:16:53,349 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:16:53,349 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:16:53,349 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1775749399] [2022-11-20 12:16:53,349 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1775749399] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:16:53,350 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:16:53,350 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:16:53,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24254361] [2022-11-20 12:16:53,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:16:53,350 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:16:53,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:16:53,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:16:53,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:16:53,351 INFO L87 Difference]: Start difference. First operand 6879 states and 9719 transitions. Second operand has 4 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2022-11-20 12:16:54,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:16:54,902 INFO L93 Difference]: Finished difference Result 6879 states and 9719 transitions. [2022-11-20 12:16:54,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:16:54,903 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 176 [2022-11-20 12:16:54,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:16:54,926 INFO L225 Difference]: With dead ends: 6879 [2022-11-20 12:16:54,926 INFO L226 Difference]: Without dead ends: 6877 [2022-11-20 12:16:54,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:16:54,931 INFO L413 NwaCegarLoop]: 3357 mSDtfsCounter, 3198 mSDsluCounter, 3355 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3200 SdHoareTripleChecker+Valid, 6712 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 12:16:54,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3200 Valid, 6712 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:16:54,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6877 states. [2022-11-20 12:16:56,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6877 to 6877. [2022-11-20 12:16:56,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6877 states, 4483 states have (on average 1.2627704662056658) internal successors, (5661), 4645 states have internal predecessors, (5661), 1968 states have call successors, (1968), 419 states have call predecessors, (1968), 420 states have return successors, (2088), 1916 states have call predecessors, (2088), 1966 states have call successors, (2088) [2022-11-20 12:16:56,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6877 states to 6877 states and 9717 transitions. [2022-11-20 12:16:56,416 INFO L78 Accepts]: Start accepts. Automaton has 6877 states and 9717 transitions. Word has length 176 [2022-11-20 12:16:56,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:16:56,416 INFO L495 AbstractCegarLoop]: Abstraction has 6877 states and 9717 transitions. [2022-11-20 12:16:56,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 27.5) internal successors, (110), 3 states have internal predecessors, (110), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2022-11-20 12:16:56,417 INFO L276 IsEmpty]: Start isEmpty. Operand 6877 states and 9717 transitions. [2022-11-20 12:16:56,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2022-11-20 12:16:56,420 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:16:56,420 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:16:56,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (34)] Forceful destruction successful, exit code 0 [2022-11-20 12:16:56,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:16:56,623 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-20 12:16:56,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:16:56,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1226890415, now seen corresponding path program 1 times [2022-11-20 12:16:56,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:16:56,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1199994649] [2022-11-20 12:16:56,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:16:56,624 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:16:56,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:16:56,625 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:16:56,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Waiting until timeout for monitored process [2022-11-20 12:16:57,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:16:57,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 1692 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:16:57,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:16:58,363 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-20 12:16:58,363 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:16:58,363 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:16:58,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1199994649] [2022-11-20 12:16:58,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1199994649] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:16:58,363 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:16:58,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:16:58,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3501289] [2022-11-20 12:16:58,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:16:58,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:16:58,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:16:58,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:16:58,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:16:58,365 INFO L87 Difference]: Start difference. First operand 6877 states and 9717 transitions. Second operand has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-11-20 12:16:59,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:16:59,935 INFO L93 Difference]: Finished difference Result 6877 states and 9717 transitions. [2022-11-20 12:16:59,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:16:59,935 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 182 [2022-11-20 12:16:59,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:16:59,956 INFO L225 Difference]: With dead ends: 6877 [2022-11-20 12:16:59,956 INFO L226 Difference]: Without dead ends: 6689 [2022-11-20 12:16:59,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:16:59,961 INFO L413 NwaCegarLoop]: 3356 mSDtfsCounter, 3189 mSDsluCounter, 3356 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3189 SdHoareTripleChecker+Valid, 6712 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 12:16:59,962 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3189 Valid, 6712 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:16:59,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6689 states. [2022-11-20 12:17:01,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6689 to 6689. [2022-11-20 12:17:01,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6689 states, 4365 states have (on average 1.268270332187858) internal successors, (5536), 4524 states have internal predecessors, (5536), 1920 states have call successors, (1920), 398 states have call predecessors, (1920), 399 states have return successors, (2040), 1870 states have call predecessors, (2040), 1918 states have call successors, (2040) [2022-11-20 12:17:01,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6689 states to 6689 states and 9496 transitions. [2022-11-20 12:17:01,521 INFO L78 Accepts]: Start accepts. Automaton has 6689 states and 9496 transitions. Word has length 182 [2022-11-20 12:17:01,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:17:01,522 INFO L495 AbstractCegarLoop]: Abstraction has 6689 states and 9496 transitions. [2022-11-20 12:17:01,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 3 states have internal predecessors, (114), 1 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2022-11-20 12:17:01,522 INFO L276 IsEmpty]: Start isEmpty. Operand 6689 states and 9496 transitions. [2022-11-20 12:17:01,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2022-11-20 12:17:01,526 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:17:01,526 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 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] [2022-11-20 12:17:01,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (35)] Ended with exit code 0 [2022-11-20 12:17:01,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:17:01,727 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-20 12:17:01,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:17:01,727 INFO L85 PathProgramCache]: Analyzing trace with hash 318340575, now seen corresponding path program 1 times [2022-11-20 12:17:01,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:17:01,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1710866663] [2022-11-20 12:17:01,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:17:01,729 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:17:01,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:17:01,730 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:17:01,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Waiting until timeout for monitored process [2022-11-20 12:17:03,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:17:03,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 1942 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 12:17:03,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:17:03,427 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 228 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2022-11-20 12:17:03,427 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:17:03,427 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:17:03,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1710866663] [2022-11-20 12:17:03,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1710866663] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:17:03,428 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:17:03,428 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-20 12:17:03,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [146563700] [2022-11-20 12:17:03,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:17:03,429 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 12:17:03,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:17:03,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 12:17:03,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-11-20 12:17:03,430 INFO L87 Difference]: Start difference. First operand 6689 states and 9496 transitions. Second operand has 8 states, 8 states have (on average 10.75) internal successors, (86), 7 states have internal predecessors, (86), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (30), 3 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-20 12:17:05,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:17:05,426 INFO L93 Difference]: Finished difference Result 12878 states and 18227 transitions. [2022-11-20 12:17:05,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 12:17:05,427 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 7 states have internal predecessors, (86), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (30), 3 states have call predecessors, (30), 2 states have call successors, (30) Word has length 220 [2022-11-20 12:17:05,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:17:05,446 INFO L225 Difference]: With dead ends: 12878 [2022-11-20 12:17:05,446 INFO L226 Difference]: Without dead ends: 6710 [2022-11-20 12:17:05,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2022-11-20 12:17:05,460 INFO L413 NwaCegarLoop]: 3190 mSDtfsCounter, 53 mSDsluCounter, 19013 mSDsCounter, 0 mSdLazyCounter, 295 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 22203 SdHoareTripleChecker+Invalid, 321 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 295 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-20 12:17:05,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 22203 Invalid, 321 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 295 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-20 12:17:05,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6710 states. [2022-11-20 12:17:06,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6710 to 6690. [2022-11-20 12:17:06,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6690 states, 4367 states have (on average 1.2679184795053813) internal successors, (5537), 4526 states have internal predecessors, (5537), 1919 states have call successors, (1919), 398 states have call predecessors, (1919), 399 states have return successors, (2039), 1869 states have call predecessors, (2039), 1917 states have call successors, (2039) [2022-11-20 12:17:06,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6690 states to 6690 states and 9495 transitions. [2022-11-20 12:17:06,821 INFO L78 Accepts]: Start accepts. Automaton has 6690 states and 9495 transitions. Word has length 220 [2022-11-20 12:17:06,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:17:06,821 INFO L495 AbstractCegarLoop]: Abstraction has 6690 states and 9495 transitions. [2022-11-20 12:17:06,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.75) internal successors, (86), 7 states have internal predecessors, (86), 2 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (30), 3 states have call predecessors, (30), 2 states have call successors, (30) [2022-11-20 12:17:06,822 INFO L276 IsEmpty]: Start isEmpty. Operand 6690 states and 9495 transitions. [2022-11-20 12:17:06,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-11-20 12:17:06,823 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:17:06,824 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:17:06,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (36)] Forceful destruction successful, exit code 0 [2022-11-20 12:17:07,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:17:07,047 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-20 12:17:07,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:17:07,047 INFO L85 PathProgramCache]: Analyzing trace with hash 982865341, now seen corresponding path program 1 times [2022-11-20 12:17:07,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:17:07,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1671488541] [2022-11-20 12:17:07,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:17:07,049 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:17:07,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:17:07,050 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:17:07,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Waiting until timeout for monitored process [2022-11-20 12:17:09,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:17:09,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 2148 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-20 12:17:09,148 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:17:09,312 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2022-11-20 12:17:09,313 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:17:09,313 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:17:09,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1671488541] [2022-11-20 12:17:09,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1671488541] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:17:09,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:17:09,313 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 12:17:09,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806624125] [2022-11-20 12:17:09,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:17:09,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 12:17:09,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:17:09,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 12:17:09,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:17:09,315 INFO L87 Difference]: Start difference. First operand 6690 states and 9495 transitions. Second operand has 7 states, 7 states have (on average 15.0) internal successors, (105), 5 states have internal predecessors, (105), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (28), 4 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-20 12:17:13,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:17:13,122 INFO L93 Difference]: Finished difference Result 13507 states and 19400 transitions. [2022-11-20 12:17:13,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 12:17:13,123 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 5 states have internal predecessors, (105), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (28), 4 states have call predecessors, (28), 2 states have call successors, (28) Word has length 222 [2022-11-20 12:17:13,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:17:13,153 INFO L225 Difference]: With dead ends: 13507 [2022-11-20 12:17:13,154 INFO L226 Difference]: Without dead ends: 6836 [2022-11-20 12:17:13,177 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:17:13,178 INFO L413 NwaCegarLoop]: 3218 mSDtfsCounter, 23 mSDsluCounter, 16062 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 19280 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2022-11-20 12:17:13,178 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 19280 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2022-11-20 12:17:13,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6836 states. [2022-11-20 12:17:14,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6836 to 6726. [2022-11-20 12:17:14,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6726 states, 4395 states have (on average 1.266211604095563) internal successors, (5565), 4550 states have internal predecessors, (5565), 1919 states have call successors, (1919), 398 states have call predecessors, (1919), 407 states have return successors, (2069), 1881 states have call predecessors, (2069), 1917 states have call successors, (2069) [2022-11-20 12:17:14,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6726 states to 6726 states and 9553 transitions. [2022-11-20 12:17:14,575 INFO L78 Accepts]: Start accepts. Automaton has 6726 states and 9553 transitions. Word has length 222 [2022-11-20 12:17:14,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:17:14,575 INFO L495 AbstractCegarLoop]: Abstraction has 6726 states and 9553 transitions. [2022-11-20 12:17:14,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 5 states have internal predecessors, (105), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (28), 4 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-20 12:17:14,576 INFO L276 IsEmpty]: Start isEmpty. Operand 6726 states and 9553 transitions. [2022-11-20 12:17:14,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-11-20 12:17:14,577 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:17:14,578 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:17:14,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (37)] Forceful destruction successful, exit code 0 [2022-11-20 12:17:14,790 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:17:14,791 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-20 12:17:14,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:17:14,791 INFO L85 PathProgramCache]: Analyzing trace with hash -304017294, now seen corresponding path program 1 times [2022-11-20 12:17:14,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:17:14,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1674549363] [2022-11-20 12:17:14,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:17:14,793 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:17:14,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:17:14,793 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:17:14,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (38)] Waiting until timeout for monitored process [2022-11-20 12:17:16,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:17:16,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 2142 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-20 12:17:16,851 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:17:17,030 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2022-11-20 12:17:17,030 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:17:17,030 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:17:17,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1674549363] [2022-11-20 12:17:17,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1674549363] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:17:17,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:17:17,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-20 12:17:17,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148059767] [2022-11-20 12:17:17,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:17:17,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-20 12:17:17,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:17:17,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-20 12:17:17,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:17:17,033 INFO L87 Difference]: Start difference. First operand 6726 states and 9553 transitions. Second operand has 7 states, 7 states have (on average 15.0) internal successors, (105), 5 states have internal predecessors, (105), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (28), 4 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-20 12:17:20,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:17:20,259 INFO L93 Difference]: Finished difference Result 13559 states and 19474 transitions. [2022-11-20 12:17:20,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 12:17:20,260 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 5 states have internal predecessors, (105), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (28), 4 states have call predecessors, (28), 2 states have call successors, (28) Word has length 222 [2022-11-20 12:17:20,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:17:20,278 INFO L225 Difference]: With dead ends: 13559 [2022-11-20 12:17:20,278 INFO L226 Difference]: Without dead ends: 6852 [2022-11-20 12:17:20,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:17:20,294 INFO L413 NwaCegarLoop]: 3214 mSDtfsCounter, 23 mSDsluCounter, 16044 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 19258 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-20 12:17:20,294 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 19258 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-20 12:17:20,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6852 states. [2022-11-20 12:17:21,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6852 to 6742. [2022-11-20 12:17:21,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6742 states, 4411 states have (on average 1.2652459759691679) internal successors, (5581), 4558 states have internal predecessors, (5581), 1919 states have call successors, (1919), 398 states have call predecessors, (1919), 407 states have return successors, (2069), 1889 states have call predecessors, (2069), 1917 states have call successors, (2069) [2022-11-20 12:17:21,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6742 states to 6742 states and 9569 transitions. [2022-11-20 12:17:21,781 INFO L78 Accepts]: Start accepts. Automaton has 6742 states and 9569 transitions. Word has length 222 [2022-11-20 12:17:21,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:17:21,781 INFO L495 AbstractCegarLoop]: Abstraction has 6742 states and 9569 transitions. [2022-11-20 12:17:21,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.0) internal successors, (105), 5 states have internal predecessors, (105), 2 states have call successors, (30), 2 states have call predecessors, (30), 4 states have return successors, (28), 4 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-20 12:17:21,781 INFO L276 IsEmpty]: Start isEmpty. Operand 6742 states and 9569 transitions. [2022-11-20 12:17:21,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2022-11-20 12:17:21,784 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:17:21,784 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:17:21,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (38)] Forceful destruction successful, exit code 0 [2022-11-20 12:17:21,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:17:21,985 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-20 12:17:21,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:17:21,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1383788251, now seen corresponding path program 1 times [2022-11-20 12:17:21,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:17:21,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [394961065] [2022-11-20 12:17:21,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:17:21,988 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:17:21,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:17:21,989 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:17:22,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (39)] Waiting until timeout for monitored process [2022-11-20 12:17:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:17:24,168 INFO L263 TraceCheckSpWp]: Trace formula consists of 2182 conjuncts, 27 conjunts are in the unsatisfiable core [2022-11-20 12:17:24,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:17:24,381 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2022-11-20 12:17:24,381 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:17:24,382 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:17:24,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [394961065] [2022-11-20 12:17:24,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [394961065] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:17:24,382 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:17:24,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-20 12:17:24,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069214756] [2022-11-20 12:17:24,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:17:24,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 12:17:24,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:17:24,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 12:17:24,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-20 12:17:24,384 INFO L87 Difference]: Start difference. First operand 6742 states and 9569 transitions. Second operand has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 7 states have internal predecessors, (109), 2 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (31), 4 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-20 12:17:26,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:17:26,048 INFO L93 Difference]: Finished difference Result 13631 states and 19598 transitions. [2022-11-20 12:17:26,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 12:17:26,048 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 7 states have internal predecessors, (109), 2 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (31), 4 states have call predecessors, (31), 2 states have call successors, (31) Word has length 238 [2022-11-20 12:17:26,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:17:26,068 INFO L225 Difference]: With dead ends: 13631 [2022-11-20 12:17:26,068 INFO L226 Difference]: Without dead ends: 6908 [2022-11-20 12:17:26,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-11-20 12:17:26,086 INFO L413 NwaCegarLoop]: 3229 mSDtfsCounter, 28 mSDsluCounter, 22561 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 25790 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 12:17:26,086 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 25790 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 12:17:26,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6908 states. [2022-11-20 12:17:27,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6908 to 6782. [2022-11-20 12:17:27,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6782 states, 4447 states have (on average 1.2630987182370137) internal successors, (5617), 4586 states have internal predecessors, (5617), 1919 states have call successors, (1919), 398 states have call predecessors, (1919), 411 states have return successors, (2087), 1901 states have call predecessors, (2087), 1917 states have call successors, (2087) [2022-11-20 12:17:27,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6782 states to 6782 states and 9623 transitions. [2022-11-20 12:17:27,443 INFO L78 Accepts]: Start accepts. Automaton has 6782 states and 9623 transitions. Word has length 238 [2022-11-20 12:17:27,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:17:27,444 INFO L495 AbstractCegarLoop]: Abstraction has 6782 states and 9623 transitions. [2022-11-20 12:17:27,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.11111111111111) internal successors, (109), 7 states have internal predecessors, (109), 2 states have call successors, (33), 2 states have call predecessors, (33), 4 states have return successors, (31), 4 states have call predecessors, (31), 2 states have call successors, (31) [2022-11-20 12:17:27,444 INFO L276 IsEmpty]: Start isEmpty. Operand 6782 states and 9623 transitions. [2022-11-20 12:17:27,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2022-11-20 12:17:27,446 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:17:27,446 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:17:27,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (39)] Forceful destruction successful, exit code 0 [2022-11-20 12:17:27,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:17:27,671 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-20 12:17:27,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:17:27,671 INFO L85 PathProgramCache]: Analyzing trace with hash 478531719, now seen corresponding path program 1 times [2022-11-20 12:17:27,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:17:27,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [121266509] [2022-11-20 12:17:27,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:17:27,673 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:17:27,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:17:27,674 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:17:27,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (40)] Waiting until timeout for monitored process [2022-11-20 12:17:29,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:17:29,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 2075 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-20 12:17:29,549 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:17:29,975 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2022-11-20 12:17:29,975 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:17:29,976 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:17:29,976 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [121266509] [2022-11-20 12:17:29,976 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [121266509] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:17:29,976 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:17:29,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-11-20 12:17:29,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821822078] [2022-11-20 12:17:29,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:17:29,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-20 12:17:29,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:17:29,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-20 12:17:29,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2022-11-20 12:17:29,978 INFO L87 Difference]: Start difference. First operand 6782 states and 9623 transitions. Second operand has 17 states, 15 states have (on average 6.933333333333334) internal successors, (104), 14 states have internal predecessors, (104), 7 states have call successors, (38), 2 states have call predecessors, (38), 6 states have return successors, (34), 9 states have call predecessors, (34), 7 states have call successors, (34) [2022-11-20 12:17:34,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:17:34,761 INFO L93 Difference]: Finished difference Result 14108 states and 20076 transitions. [2022-11-20 12:17:34,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-20 12:17:34,762 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 6.933333333333334) internal successors, (104), 14 states have internal predecessors, (104), 7 states have call successors, (38), 2 states have call predecessors, (38), 6 states have return successors, (34), 9 states have call predecessors, (34), 7 states have call successors, (34) Word has length 234 [2022-11-20 12:17:34,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:17:34,786 INFO L225 Difference]: With dead ends: 14108 [2022-11-20 12:17:34,786 INFO L226 Difference]: Without dead ends: 7908 [2022-11-20 12:17:34,805 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=83, Invalid=619, Unknown=0, NotChecked=0, Total=702 [2022-11-20 12:17:34,805 INFO L413 NwaCegarLoop]: 3969 mSDtfsCounter, 1924 mSDsluCounter, 56764 mSDsCounter, 0 mSdLazyCounter, 1101 mSolverCounterSat, 695 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1925 SdHoareTripleChecker+Valid, 60733 SdHoareTripleChecker+Invalid, 1796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 695 IncrementalHoareTripleChecker+Valid, 1101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-20 12:17:34,806 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1925 Valid, 60733 Invalid, 1796 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [695 Valid, 1101 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-20 12:17:34,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7908 states. [2022-11-20 12:17:36,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7908 to 6812. [2022-11-20 12:17:36,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6812 states, 4464 states have (on average 1.2620967741935485) internal successors, (5634), 4600 states have internal predecessors, (5634), 1930 states have call successors, (1930), 398 states have call predecessors, (1930), 413 states have return successors, (2102), 1914 states have call predecessors, (2102), 1928 states have call successors, (2102) [2022-11-20 12:17:36,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6812 states to 6812 states and 9666 transitions. [2022-11-20 12:17:36,402 INFO L78 Accepts]: Start accepts. Automaton has 6812 states and 9666 transitions. Word has length 234 [2022-11-20 12:17:36,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:17:36,402 INFO L495 AbstractCegarLoop]: Abstraction has 6812 states and 9666 transitions. [2022-11-20 12:17:36,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 6.933333333333334) internal successors, (104), 14 states have internal predecessors, (104), 7 states have call successors, (38), 2 states have call predecessors, (38), 6 states have return successors, (34), 9 states have call predecessors, (34), 7 states have call successors, (34) [2022-11-20 12:17:36,403 INFO L276 IsEmpty]: Start isEmpty. Operand 6812 states and 9666 transitions. [2022-11-20 12:17:36,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2022-11-20 12:17:36,405 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:17:36,405 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:17:36,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (40)] Forceful destruction successful, exit code 0 [2022-11-20 12:17:36,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:17:36,606 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-20 12:17:36,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:17:36,607 INFO L85 PathProgramCache]: Analyzing trace with hash -108196298, now seen corresponding path program 1 times [2022-11-20 12:17:36,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:17:36,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [94491624] [2022-11-20 12:17:36,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:17:36,609 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:17:36,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:17:36,610 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:17:36,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (41)] Waiting until timeout for monitored process [2022-11-20 12:17:38,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:17:38,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 2210 conjuncts, 27 conjunts are in the unsatisfiable core [2022-11-20 12:17:38,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:17:38,932 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2022-11-20 12:17:38,932 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:17:38,933 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:17:38,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [94491624] [2022-11-20 12:17:38,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [94491624] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:17:38,933 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:17:38,933 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-20 12:17:38,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757861631] [2022-11-20 12:17:38,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:17:38,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-20 12:17:38,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:17:38,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-20 12:17:38,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-11-20 12:17:38,934 INFO L87 Difference]: Start difference. First operand 6812 states and 9666 transitions. Second operand has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 7 states have internal predecessors, (116), 2 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (34), 4 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-20 12:17:40,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:17:40,713 INFO L93 Difference]: Finished difference Result 13755 states and 19740 transitions. [2022-11-20 12:17:40,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 12:17:40,714 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 7 states have internal predecessors, (116), 2 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (34), 4 states have call predecessors, (34), 2 states have call successors, (34) Word has length 254 [2022-11-20 12:17:40,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:17:40,733 INFO L225 Difference]: With dead ends: 13755 [2022-11-20 12:17:40,733 INFO L226 Difference]: Without dead ends: 6962 [2022-11-20 12:17:40,750 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 246 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2022-11-20 12:17:40,750 INFO L413 NwaCegarLoop]: 3230 mSDtfsCounter, 28 mSDsluCounter, 22568 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 25798 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:17:40,750 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 25798 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 12:17:40,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6962 states. [2022-11-20 12:17:42,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6962 to 6836. [2022-11-20 12:17:42,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6836 states, 4488 states have (on average 1.2606951871657754) internal successors, (5658), 4616 states have internal predecessors, (5658), 1930 states have call successors, (1930), 398 states have call predecessors, (1930), 413 states have return successors, (2102), 1922 states have call predecessors, (2102), 1928 states have call successors, (2102) [2022-11-20 12:17:42,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6836 states to 6836 states and 9690 transitions. [2022-11-20 12:17:42,242 INFO L78 Accepts]: Start accepts. Automaton has 6836 states and 9690 transitions. Word has length 254 [2022-11-20 12:17:42,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:17:42,242 INFO L495 AbstractCegarLoop]: Abstraction has 6836 states and 9690 transitions. [2022-11-20 12:17:42,243 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 12.88888888888889) internal successors, (116), 7 states have internal predecessors, (116), 2 states have call successors, (36), 2 states have call predecessors, (36), 4 states have return successors, (34), 4 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-20 12:17:42,243 INFO L276 IsEmpty]: Start isEmpty. Operand 6836 states and 9690 transitions. [2022-11-20 12:17:42,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2022-11-20 12:17:42,245 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:17:42,245 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:17:42,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (41)] Forceful destruction successful, exit code 0 [2022-11-20 12:17:42,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:17:42,446 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-20 12:17:42,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:17:42,446 INFO L85 PathProgramCache]: Analyzing trace with hash -1252558851, now seen corresponding path program 2 times [2022-11-20 12:17:42,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:17:42,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [961560449] [2022-11-20 12:17:42,448 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 12:17:42,448 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:17:42,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:17:42,449 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:17:42,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (42)] Waiting until timeout for monitored process [2022-11-20 12:17:44,896 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 12:17:44,896 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 12:17:44,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 2216 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-20 12:17:44,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:17:45,545 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2022-11-20 12:17:45,545 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:17:45,545 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:17:45,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [961560449] [2022-11-20 12:17:45,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [961560449] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:17:45,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:17:45,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-20 12:17:45,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374444356] [2022-11-20 12:17:45,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:17:45,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-20 12:17:45,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:17:45,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-20 12:17:45,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-11-20 12:17:45,547 INFO L87 Difference]: Start difference. First operand 6836 states and 9690 transitions. Second operand has 12 states, 10 states have (on average 11.6) internal successors, (116), 9 states have internal predecessors, (116), 4 states have call successors, (36), 2 states have call predecessors, (36), 5 states have return successors, (34), 6 states have call predecessors, (34), 4 states have call successors, (34) [2022-11-20 12:17:48,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:17:48,159 INFO L93 Difference]: Finished difference Result 13465 states and 19283 transitions. [2022-11-20 12:17:48,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-20 12:17:48,160 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 11.6) internal successors, (116), 9 states have internal predecessors, (116), 4 states have call successors, (36), 2 states have call predecessors, (36), 5 states have return successors, (34), 6 states have call predecessors, (34), 4 states have call successors, (34) Word has length 254 [2022-11-20 12:17:48,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:17:48,178 INFO L225 Difference]: With dead ends: 13465 [2022-11-20 12:17:48,178 INFO L226 Difference]: Without dead ends: 6648 [2022-11-20 12:17:48,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2022-11-20 12:17:48,197 INFO L413 NwaCegarLoop]: 3174 mSDtfsCounter, 10 mSDsluCounter, 25293 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 28467 SdHoareTripleChecker+Invalid, 414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-20 12:17:48,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 28467 Invalid, 414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-20 12:17:48,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6648 states. [2022-11-20 12:17:49,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6648 to 6636. [2022-11-20 12:17:49,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6636 states, 4340 states have (on average 1.2608294930875577) internal successors, (5472), 4480 states have internal predecessors, (5472), 1882 states have call successors, (1882), 396 states have call predecessors, (1882), 409 states have return successors, (2037), 1860 states have call predecessors, (2037), 1880 states have call successors, (2037) [2022-11-20 12:17:49,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6636 states to 6636 states and 9391 transitions. [2022-11-20 12:17:49,640 INFO L78 Accepts]: Start accepts. Automaton has 6636 states and 9391 transitions. Word has length 254 [2022-11-20 12:17:49,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:17:49,641 INFO L495 AbstractCegarLoop]: Abstraction has 6636 states and 9391 transitions. [2022-11-20 12:17:49,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 11.6) internal successors, (116), 9 states have internal predecessors, (116), 4 states have call successors, (36), 2 states have call predecessors, (36), 5 states have return successors, (34), 6 states have call predecessors, (34), 4 states have call successors, (34) [2022-11-20 12:17:49,641 INFO L276 IsEmpty]: Start isEmpty. Operand 6636 states and 9391 transitions. [2022-11-20 12:17:49,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2022-11-20 12:17:49,644 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:17:49,644 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:17:49,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (42)] Forceful destruction successful, exit code 0 [2022-11-20 12:17:49,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:17:49,845 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-20 12:17:49,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:17:49,845 INFO L85 PathProgramCache]: Analyzing trace with hash -717040853, now seen corresponding path program 1 times [2022-11-20 12:17:49,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:17:49,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1415676137] [2022-11-20 12:17:49,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:17:49,847 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:17:49,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:17:49,848 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:17:49,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (43)] Waiting until timeout for monitored process [2022-11-20 12:17:51,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:17:51,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 2125 conjuncts, 23 conjunts are in the unsatisfiable core [2022-11-20 12:17:51,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:17:51,917 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2022-11-20 12:17:51,917 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:17:51,917 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:17:51,918 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1415676137] [2022-11-20 12:17:51,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1415676137] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:17:51,918 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:17:51,918 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-20 12:17:51,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415029953] [2022-11-20 12:17:51,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:17:51,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-20 12:17:51,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:17:51,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-20 12:17:51,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-11-20 12:17:51,922 INFO L87 Difference]: Start difference. First operand 6636 states and 9391 transitions. Second operand has 10 states, 10 states have (on average 12.5) internal successors, (125), 8 states have internal predecessors, (125), 2 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (36), 4 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-20 12:17:54,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:17:54,579 INFO L93 Difference]: Finished difference Result 13309 states and 19037 transitions. [2022-11-20 12:17:54,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 12:17:54,580 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 12.5) internal successors, (125), 8 states have internal predecessors, (125), 2 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (36), 4 states have call predecessors, (36), 2 states have call successors, (36) Word has length 254 [2022-11-20 12:17:54,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:17:54,600 INFO L225 Difference]: With dead ends: 13309 [2022-11-20 12:17:54,600 INFO L226 Difference]: Without dead ends: 6692 [2022-11-20 12:17:54,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2022-11-20 12:17:54,619 INFO L413 NwaCegarLoop]: 3198 mSDtfsCounter, 10 mSDsluCounter, 25570 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 28768 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:17:54,620 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 28768 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-20 12:17:54,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6692 states. [2022-11-20 12:17:56,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6692 to 6676. [2022-11-20 12:17:56,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6676 states, 4372 states have (on average 1.2589204025617566) internal successors, (5504), 4512 states have internal predecessors, (5504), 1882 states have call successors, (1882), 396 states have call predecessors, (1882), 417 states have return successors, (2047), 1868 states have call predecessors, (2047), 1880 states have call successors, (2047) [2022-11-20 12:17:56,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6676 states to 6676 states and 9433 transitions. [2022-11-20 12:17:56,086 INFO L78 Accepts]: Start accepts. Automaton has 6676 states and 9433 transitions. Word has length 254 [2022-11-20 12:17:56,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:17:56,086 INFO L495 AbstractCegarLoop]: Abstraction has 6676 states and 9433 transitions. [2022-11-20 12:17:56,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.5) internal successors, (125), 8 states have internal predecessors, (125), 2 states have call successors, (39), 2 states have call predecessors, (39), 4 states have return successors, (36), 4 states have call predecessors, (36), 2 states have call successors, (36) [2022-11-20 12:17:56,087 INFO L276 IsEmpty]: Start isEmpty. Operand 6676 states and 9433 transitions. [2022-11-20 12:17:56,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2022-11-20 12:17:56,091 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:17:56,091 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:17:56,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (43)] Forceful destruction successful, exit code 0 [2022-11-20 12:17:56,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:17:56,307 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-20 12:17:56,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:17:56,307 INFO L85 PathProgramCache]: Analyzing trace with hash 2048719054, now seen corresponding path program 1 times [2022-11-20 12:17:56,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:17:56,309 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [892347706] [2022-11-20 12:17:56,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:17:56,309 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:17:56,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:17:56,311 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:17:56,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (44)] Waiting until timeout for monitored process [2022-11-20 12:17:57,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:17:57,986 INFO L263 TraceCheckSpWp]: Trace formula consists of 2083 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-20 12:17:57,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:17:58,877 INFO L134 CoverageAnalysis]: Checked inductivity of 796 backedges. 478 proven. 0 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2022-11-20 12:17:58,877 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:17:58,878 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:17:58,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [892347706] [2022-11-20 12:17:58,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [892347706] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:17:58,880 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:17:58,880 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-20 12:17:58,880 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447820920] [2022-11-20 12:17:58,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:17:58,882 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-20 12:17:58,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:17:58,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-20 12:17:58,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2022-11-20 12:17:58,884 INFO L87 Difference]: Start difference. First operand 6676 states and 9433 transitions. Second operand has 13 states, 10 states have (on average 10.1) internal successors, (101), 9 states have internal predecessors, (101), 5 states have call successors, (41), 2 states have call predecessors, (41), 5 states have return successors, (37), 6 states have call predecessors, (37), 5 states have call successors, (37) [2022-11-20 12:18:02,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:18:02,189 INFO L93 Difference]: Finished difference Result 13182 states and 18606 transitions. [2022-11-20 12:18:02,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-20 12:18:02,189 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 10.1) internal successors, (101), 9 states have internal predecessors, (101), 5 states have call successors, (41), 2 states have call predecessors, (41), 5 states have return successors, (37), 6 states have call predecessors, (37), 5 states have call successors, (37) Word has length 275 [2022-11-20 12:18:02,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:18:02,206 INFO L225 Difference]: With dead ends: 13182 [2022-11-20 12:18:02,207 INFO L226 Difference]: Without dead ends: 6701 [2022-11-20 12:18:02,222 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2022-11-20 12:18:02,222 INFO L413 NwaCegarLoop]: 3175 mSDtfsCounter, 464 mSDsluCounter, 27861 mSDsCounter, 0 mSdLazyCounter, 466 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 625 SdHoareTripleChecker+Valid, 31036 SdHoareTripleChecker+Invalid, 470 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 466 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-20 12:18:02,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [625 Valid, 31036 Invalid, 470 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4 Valid, 466 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-20 12:18:02,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6701 states. [2022-11-20 12:18:03,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6701 to 6676. [2022-11-20 12:18:03,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6676 states, 4372 states have (on average 1.258462946020128) internal successors, (5502), 4510 states have internal predecessors, (5502), 1882 states have call successors, (1882), 396 states have call predecessors, (1882), 417 states have return successors, (2047), 1868 states have call predecessors, (2047), 1880 states have call successors, (2047) [2022-11-20 12:18:03,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6676 states to 6676 states and 9431 transitions. [2022-11-20 12:18:03,862 INFO L78 Accepts]: Start accepts. Automaton has 6676 states and 9431 transitions. Word has length 275 [2022-11-20 12:18:03,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:18:03,862 INFO L495 AbstractCegarLoop]: Abstraction has 6676 states and 9431 transitions. [2022-11-20 12:18:03,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 10.1) internal successors, (101), 9 states have internal predecessors, (101), 5 states have call successors, (41), 2 states have call predecessors, (41), 5 states have return successors, (37), 6 states have call predecessors, (37), 5 states have call successors, (37) [2022-11-20 12:18:03,862 INFO L276 IsEmpty]: Start isEmpty. Operand 6676 states and 9431 transitions. [2022-11-20 12:18:03,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2022-11-20 12:18:03,865 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:18:03,866 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:18:03,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (44)] Forceful destruction successful, exit code 0 [2022-11-20 12:18:04,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:18:04,066 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-20 12:18:04,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:18:04,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1539698688, now seen corresponding path program 1 times [2022-11-20 12:18:04,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:18:04,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [342830825] [2022-11-20 12:18:04,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:18:04,068 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:18:04,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:18:04,069 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:18:04,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (45)] Waiting until timeout for monitored process [2022-11-20 12:18:05,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:18:05,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 2073 conjuncts, 33 conjunts are in the unsatisfiable core [2022-11-20 12:18:05,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:18:06,628 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2022-11-20 12:18:06,628 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:18:06,628 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:18:06,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [342830825] [2022-11-20 12:18:06,629 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [342830825] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:18:06,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:18:06,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-11-20 12:18:06,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898930950] [2022-11-20 12:18:06,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:18:06,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-20 12:18:06,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:18:06,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-20 12:18:06,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2022-11-20 12:18:06,631 INFO L87 Difference]: Start difference. First operand 6676 states and 9431 transitions. Second operand has 14 states, 12 states have (on average 10.583333333333334) internal successors, (127), 10 states have internal predecessors, (127), 4 states have call successors, (40), 2 states have call predecessors, (40), 6 states have return successors, (37), 6 states have call predecessors, (37), 4 states have call successors, (37) [2022-11-20 12:18:11,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:18:11,944 INFO L93 Difference]: Finished difference Result 13875 states and 19830 transitions. [2022-11-20 12:18:11,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-20 12:18:11,944 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 10.583333333333334) internal successors, (127), 10 states have internal predecessors, (127), 4 states have call successors, (40), 2 states have call predecessors, (40), 6 states have return successors, (37), 6 states have call predecessors, (37), 4 states have call successors, (37) Word has length 258 [2022-11-20 12:18:11,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:18:11,966 INFO L225 Difference]: With dead ends: 13875 [2022-11-20 12:18:11,966 INFO L226 Difference]: Without dead ends: 7218 [2022-11-20 12:18:11,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2022-11-20 12:18:11,985 INFO L413 NwaCegarLoop]: 3283 mSDtfsCounter, 233 mSDsluCounter, 38936 mSDsCounter, 0 mSdLazyCounter, 801 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 267 SdHoareTripleChecker+Valid, 42219 SdHoareTripleChecker+Invalid, 866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 801 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:18:11,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [267 Valid, 42219 Invalid, 866 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [65 Valid, 801 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-11-20 12:18:11,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7218 states. [2022-11-20 12:18:13,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7218 to 6676. [2022-11-20 12:18:13,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6676 states, 4372 states have (on average 1.258462946020128) internal successors, (5502), 4510 states have internal predecessors, (5502), 1882 states have call successors, (1882), 396 states have call predecessors, (1882), 417 states have return successors, (2047), 1868 states have call predecessors, (2047), 1880 states have call successors, (2047) [2022-11-20 12:18:13,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6676 states to 6676 states and 9431 transitions. [2022-11-20 12:18:13,492 INFO L78 Accepts]: Start accepts. Automaton has 6676 states and 9431 transitions. Word has length 258 [2022-11-20 12:18:13,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:18:13,493 INFO L495 AbstractCegarLoop]: Abstraction has 6676 states and 9431 transitions. [2022-11-20 12:18:13,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 10.583333333333334) internal successors, (127), 10 states have internal predecessors, (127), 4 states have call successors, (40), 2 states have call predecessors, (40), 6 states have return successors, (37), 6 states have call predecessors, (37), 4 states have call successors, (37) [2022-11-20 12:18:13,493 INFO L276 IsEmpty]: Start isEmpty. Operand 6676 states and 9431 transitions. [2022-11-20 12:18:13,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2022-11-20 12:18:13,497 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:18:13,497 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:18:13,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (45)] Forceful destruction successful, exit code 0 [2022-11-20 12:18:13,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:18:13,719 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-20 12:18:13,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:18:13,719 INFO L85 PathProgramCache]: Analyzing trace with hash -1376632098, now seen corresponding path program 1 times [2022-11-20 12:18:13,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:18:13,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [165707485] [2022-11-20 12:18:13,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:18:13,721 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:18:13,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:18:13,722 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:18:13,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (46)] Waiting until timeout for monitored process [2022-11-20 12:18:16,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:18:16,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 2217 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-20 12:18:16,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:18:16,879 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 9 proven. 146 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2022-11-20 12:18:16,879 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 12:18:17,567 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2022-11-20 12:18:17,567 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:18:17,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [165707485] [2022-11-20 12:18:17,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [165707485] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 12:18:17,567 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 12:18:17,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2022-11-20 12:18:17,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869408033] [2022-11-20 12:18:17,568 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 12:18:17,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-20 12:18:17,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:18:17,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-20 12:18:17,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2022-11-20 12:18:17,569 INFO L87 Difference]: Start difference. First operand 6676 states and 9431 transitions. Second operand has 12 states, 12 states have (on average 16.916666666666668) internal successors, (203), 12 states have internal predecessors, (203), 7 states have call successors, (64), 7 states have call predecessors, (64), 5 states have return successors, (60), 7 states have call predecessors, (60), 7 states have call successors, (60) [2022-11-20 12:18:22,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:18:43,421 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:18:54,165 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:19:07,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:19:18,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:20:55,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:20:55,804 INFO L93 Difference]: Finished difference Result 25411 states and 37417 transitions. [2022-11-20 12:20:55,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2022-11-20 12:20:55,805 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 16.916666666666668) internal successors, (203), 12 states have internal predecessors, (203), 7 states have call successors, (64), 7 states have call predecessors, (64), 5 states have return successors, (60), 7 states have call predecessors, (60), 7 states have call successors, (60) Word has length 254 [2022-11-20 12:20:55,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:20:55,888 INFO L225 Difference]: With dead ends: 25411 [2022-11-20 12:20:55,888 INFO L226 Difference]: Without dead ends: 25409 [2022-11-20 12:20:55,897 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 528 GetRequests, 501 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=189, Invalid=623, Unknown=0, NotChecked=0, Total=812 [2022-11-20 12:20:55,898 INFO L413 NwaCegarLoop]: 3979 mSDtfsCounter, 24197 mSDsluCounter, 20340 mSDsCounter, 0 mSdLazyCounter, 40545 mSolverCounterSat, 17818 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 133.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25313 SdHoareTripleChecker+Valid, 24319 SdHoareTripleChecker+Invalid, 58364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.6s SdHoareTripleChecker+Time, 17818 IncrementalHoareTripleChecker+Valid, 40545 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 147.4s IncrementalHoareTripleChecker+Time [2022-11-20 12:20:55,898 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25313 Valid, 24319 Invalid, 58364 Unknown, 0 Unchecked, 0.6s Time], IncrementalHoareTripleChecker [17818 Valid, 40545 Invalid, 1 Unknown, 0 Unchecked, 147.4s Time] [2022-11-20 12:20:55,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25409 states. [2022-11-20 12:21:02,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25409 to 25147. [2022-11-20 12:21:02,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25147 states, 16552 states have (on average 1.2565248912518125) internal successors, (20798), 17050 states have internal predecessors, (20798), 6967 states have call successors, (6967), 1386 states have call predecessors, (6967), 1623 states have return successors, (9348), 7095 states have call predecessors, (9348), 6965 states have call successors, (9348) [2022-11-20 12:21:02,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25147 states to 25147 states and 37113 transitions. [2022-11-20 12:21:02,145 INFO L78 Accepts]: Start accepts. Automaton has 25147 states and 37113 transitions. Word has length 254 [2022-11-20 12:21:02,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:21:02,145 INFO L495 AbstractCegarLoop]: Abstraction has 25147 states and 37113 transitions. [2022-11-20 12:21:02,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 16.916666666666668) internal successors, (203), 12 states have internal predecessors, (203), 7 states have call successors, (64), 7 states have call predecessors, (64), 5 states have return successors, (60), 7 states have call predecessors, (60), 7 states have call successors, (60) [2022-11-20 12:21:02,146 INFO L276 IsEmpty]: Start isEmpty. Operand 25147 states and 37113 transitions. [2022-11-20 12:21:02,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2022-11-20 12:21:02,148 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:21:02,148 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:21:02,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (46)] Forceful destruction successful, exit code 0 [2022-11-20 12:21:02,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:21:02,349 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-20 12:21:02,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:21:02,349 INFO L85 PathProgramCache]: Analyzing trace with hash -121263855, now seen corresponding path program 1 times [2022-11-20 12:21:02,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:21:02,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1101016967] [2022-11-20 12:21:02,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:21:02,351 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:21:02,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:21:02,352 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:21:02,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (47)] Waiting until timeout for monitored process [2022-11-20 12:21:04,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:04,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 2095 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-20 12:21:04,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:21:04,945 INFO L134 CoverageAnalysis]: Checked inductivity of 808 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 808 trivial. 0 not checked. [2022-11-20 12:21:04,945 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:21:04,945 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:21:04,946 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1101016967] [2022-11-20 12:21:04,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1101016967] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:21:04,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:21:04,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 12:21:04,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734023573] [2022-11-20 12:21:04,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:21:04,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 12:21:04,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:21:04,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 12:21:04,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:21:04,947 INFO L87 Difference]: Start difference. First operand 25147 states and 37113 transitions. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2022-11-20 12:21:13,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:21:13,899 INFO L93 Difference]: Finished difference Result 38324 states and 56090 transitions. [2022-11-20 12:21:13,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 12:21:13,900 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 279 [2022-11-20 12:21:13,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:21:14,072 INFO L225 Difference]: With dead ends: 38324 [2022-11-20 12:21:14,072 INFO L226 Difference]: Without dead ends: 38322 [2022-11-20 12:21:14,091 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 275 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 12:21:14,092 INFO L413 NwaCegarLoop]: 3710 mSDtfsCounter, 2103 mSDsluCounter, 9587 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2104 SdHoareTripleChecker+Valid, 13297 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:21:14,092 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2104 Valid, 13297 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:21:14,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38322 states. [2022-11-20 12:21:24,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38322 to 38170. [2022-11-20 12:21:24,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38170 states, 25158 states have (on average 1.2452897686620559) internal successors, (31329), 25858 states have internal predecessors, (31329), 10309 states have call successors, (10309), 2393 states have call predecessors, (10309), 2698 states have return successors, (14239), 10400 states have call predecessors, (14239), 10307 states have call successors, (14239) [2022-11-20 12:21:24,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38170 states to 38170 states and 55877 transitions. [2022-11-20 12:21:24,706 INFO L78 Accepts]: Start accepts. Automaton has 38170 states and 55877 transitions. Word has length 279 [2022-11-20 12:21:24,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:21:24,707 INFO L495 AbstractCegarLoop]: Abstraction has 38170 states and 55877 transitions. [2022-11-20 12:21:24,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 3 states have internal predecessors, (79), 1 states have call successors, (36), 2 states have call predecessors, (36), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2022-11-20 12:21:24,707 INFO L276 IsEmpty]: Start isEmpty. Operand 38170 states and 55877 transitions. [2022-11-20 12:21:24,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2022-11-20 12:21:24,710 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:21:24,710 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:21:24,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (47)] Ended with exit code 0 [2022-11-20 12:21:24,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 47 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:21:24,911 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ldv_linux_arch_io_io_mem_unmapErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 26 more)] === [2022-11-20 12:21:24,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:21:24,911 INFO L85 PathProgramCache]: Analyzing trace with hash 1827237935, now seen corresponding path program 1 times [2022-11-20 12:21:24,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 12:21:24,912 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [969986778] [2022-11-20 12:21:24,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:21:24,913 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 12:21:24,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 12:21:24,914 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 12:21:24,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_289f8a9f-a11a-489b-9ece-f0719cc3696a/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (48)] Waiting until timeout for monitored process [2022-11-20 12:21:26,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:21:26,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 2190 conjuncts, 54 conjunts are in the unsatisfiable core [2022-11-20 12:21:26,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:21:28,819 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2022-11-20 12:21:28,819 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 12:21:28,819 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 12:21:28,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [969986778] [2022-11-20 12:21:28,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [969986778] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:21:28,819 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:21:28,820 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2022-11-20 12:21:28,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819377571] [2022-11-20 12:21:28,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:21:28,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2022-11-20 12:21:28,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 12:21:28,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2022-11-20 12:21:28,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=648, Unknown=0, NotChecked=0, Total=702 [2022-11-20 12:21:28,821 INFO L87 Difference]: Start difference. First operand 38170 states and 55877 transitions. Second operand has 27 states, 23 states have (on average 5.913043478260869) internal successors, (136), 20 states have internal predecessors, (136), 7 states have call successors, (44), 2 states have call predecessors, (44), 9 states have return successors, (40), 11 states have call predecessors, (40), 7 states have call successors, (40) [2022-11-20 12:21:35,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:21:37,616 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:21:38,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:21:41,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:21:42,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:21:45,976 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.58s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:21:47,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:21:49,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:21:50,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:21:51,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:21:54,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:21:55,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-20 12:22:10,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:22:10,842 INFO L93 Difference]: Finished difference Result 81587 states and 123396 transitions. [2022-11-20 12:22:10,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-11-20 12:22:10,842 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 23 states have (on average 5.913043478260869) internal successors, (136), 20 states have internal predecessors, (136), 7 states have call successors, (44), 2 states have call predecessors, (44), 9 states have return successors, (40), 11 states have call predecessors, (40), 7 states have call successors, (40) Word has length 277 [2022-11-20 12:22:10,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:22:11,003 INFO L225 Difference]: With dead ends: 81587 [2022-11-20 12:22:11,004 INFO L226 Difference]: Without dead ends: 43436 [2022-11-20 12:22:11,152 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 174 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=139, Invalid=1583, Unknown=0, NotChecked=0, Total=1722 [2022-11-20 12:22:11,153 INFO L413 NwaCegarLoop]: 3257 mSDtfsCounter, 248 mSDsluCounter, 70965 mSDsCounter, 0 mSdLazyCounter, 2439 mSolverCounterSat, 72 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 74222 SdHoareTripleChecker+Invalid, 2513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 2439 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:22:11,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 74222 Invalid, 2513 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [72 Valid, 2439 Invalid, 2 Unknown, 0 Unchecked, 29.1s Time] [2022-11-20 12:22:11,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43436 states.