./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/bin/uautomizer-Dbtcem3rbc --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 f240ffa8bbe57321940b5df51685e00d551a6f85a6476ff38145ce15f731fd7b --- 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-5e519f3 [2022-11-02 21:08:18,717 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 21:08:18,719 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 21:08:18,749 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 21:08:18,753 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 21:08:18,755 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 21:08:18,758 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 21:08:18,761 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 21:08:18,766 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 21:08:18,767 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 21:08:18,769 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 21:08:18,772 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 21:08:18,773 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 21:08:18,776 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 21:08:18,778 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 21:08:18,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 21:08:18,782 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 21:08:18,787 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 21:08:18,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 21:08:18,791 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 21:08:18,795 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 21:08:18,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 21:08:18,799 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 21:08:18,801 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 21:08:18,807 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 21:08:18,812 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 21:08:18,812 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 21:08:18,813 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 21:08:18,815 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 21:08:18,816 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 21:08:18,816 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 21:08:18,817 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 21:08:18,819 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 21:08:18,820 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 21:08:18,821 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 21:08:18,821 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 21:08:18,822 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 21:08:18,823 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 21:08:18,823 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 21:08:18,824 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 21:08:18,825 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 21:08:18,825 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-02 21:08:18,865 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 21:08:18,865 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 21:08:18,866 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 21:08:18,866 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 21:08:18,867 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 21:08:18,868 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 21:08:18,868 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 21:08:18,868 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 21:08:18,869 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 21:08:18,869 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 21:08:18,870 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 21:08:18,870 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 21:08:18,870 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 21:08:18,871 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 21:08:18,871 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 21:08:18,871 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 21:08:18,871 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 21:08:18,872 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 21:08:18,872 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 21:08:18,872 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 21:08:18,872 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 21:08:18,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:08:18,873 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 21:08:18,873 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 21:08:18,873 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 21:08:18,873 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 21:08:18,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 21:08:18,874 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 21:08:18,875 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 21:08:18,875 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 21:08:18,875 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_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f240ffa8bbe57321940b5df51685e00d551a6f85a6476ff38145ce15f731fd7b [2022-11-02 21:08:19,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 21:08:19,188 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 21:08:19,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 21:08:19,192 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 21:08:19,192 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 21:08:19,194 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i [2022-11-02 21:08:19,277 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/bin/uautomizer-Dbtcem3rbc/data/f2600ed59/8681c766653a4b98860e3d036b791e96/FLAGdd5184d06 [2022-11-02 21:08:20,291 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 21:08:20,291 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i [2022-11-02 21:08:20,343 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/bin/uautomizer-Dbtcem3rbc/data/f2600ed59/8681c766653a4b98860e3d036b791e96/FLAGdd5184d06 [2022-11-02 21:08:20,673 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/bin/uautomizer-Dbtcem3rbc/data/f2600ed59/8681c766653a4b98860e3d036b791e96 [2022-11-02 21:08:20,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 21:08:20,682 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 21:08:20,685 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 21:08:20,686 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 21:08:20,690 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 21:08:20,691 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:08:20" (1/1) ... [2022-11-02 21:08:20,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@152a676a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:20, skipping insertion in model container [2022-11-02 21:08:20,693 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 09:08:20" (1/1) ... [2022-11-02 21:08:20,700 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 21:08:20,876 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 21:08:24,737 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[357609,357622] [2022-11-02 21:08:24,740 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[357754,357767] [2022-11-02 21:08:24,741 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[357900,357913] [2022-11-02 21:08:24,741 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[358065,358078] [2022-11-02 21:08:24,742 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[358223,358236] [2022-11-02 21:08:24,742 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[358381,358394] [2022-11-02 21:08:24,743 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[358539,358552] [2022-11-02 21:08:24,743 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[358699,358712] [2022-11-02 21:08:24,744 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[358858,358871] [2022-11-02 21:08:24,744 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[358997,359010] [2022-11-02 21:08:24,745 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[359139,359152] [2022-11-02 21:08:24,745 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[359288,359301] [2022-11-02 21:08:24,746 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[359427,359440] [2022-11-02 21:08:24,746 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[359582,359595] [2022-11-02 21:08:24,747 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[359742,359755] [2022-11-02 21:08:24,747 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[359893,359906] [2022-11-02 21:08:24,748 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[360044,360057] [2022-11-02 21:08:24,748 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[360196,360209] [2022-11-02 21:08:24,748 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[360345,360358] [2022-11-02 21:08:24,749 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[360493,360506] [2022-11-02 21:08:24,749 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[360650,360663] [2022-11-02 21:08:24,750 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[360799,360812] [2022-11-02 21:08:24,750 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[360955,360968] [2022-11-02 21:08:24,751 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[361108,361121] [2022-11-02 21:08:24,751 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[361254,361267] [2022-11-02 21:08:24,752 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[361397,361410] [2022-11-02 21:08:24,752 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[361549,361562] [2022-11-02 21:08:24,753 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[361695,361708] [2022-11-02 21:08:24,753 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[361840,361853] [2022-11-02 21:08:24,754 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[361994,362007] [2022-11-02 21:08:24,754 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[362145,362158] [2022-11-02 21:08:24,754 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[362300,362313] [2022-11-02 21:08:24,755 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[362452,362465] [2022-11-02 21:08:24,755 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[362607,362620] [2022-11-02 21:08:24,756 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[362771,362784] [2022-11-02 21:08:24,756 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[362927,362940] [2022-11-02 21:08:24,757 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[363091,363104] [2022-11-02 21:08:24,757 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[363233,363246] [2022-11-02 21:08:24,758 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[363391,363404] [2022-11-02 21:08:24,758 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[363558,363571] [2022-11-02 21:08:24,758 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[363717,363730] [2022-11-02 21:08:24,759 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[363876,363889] [2022-11-02 21:08:24,759 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[364025,364038] [2022-11-02 21:08:24,760 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[364172,364185] [2022-11-02 21:08:24,760 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[364311,364324] [2022-11-02 21:08:24,761 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[364474,364487] [2022-11-02 21:08:24,761 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[364640,364653] [2022-11-02 21:08:24,761 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[364804,364817] [2022-11-02 21:08:24,762 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[364969,364982] [2022-11-02 21:08:24,762 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[365134,365147] [2022-11-02 21:08:24,763 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[365300,365313] [2022-11-02 21:08:24,763 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[365465,365478] [2022-11-02 21:08:24,764 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[365632,365645] [2022-11-02 21:08:24,764 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[365792,365805] [2022-11-02 21:08:24,765 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[365954,365967] [2022-11-02 21:08:24,765 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[366113,366126] [2022-11-02 21:08:24,765 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[366259,366272] [2022-11-02 21:08:24,766 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[366402,366415] [2022-11-02 21:08:24,766 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[366546,366559] [2022-11-02 21:08:24,767 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[366689,366702] [2022-11-02 21:08:24,767 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[366833,366846] [2022-11-02 21:08:24,768 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[366974,366987] [2022-11-02 21:08:24,768 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[367112,367125] [2022-11-02 21:08:24,769 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[367270,367283] [2022-11-02 21:08:24,769 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[367429,367442] [2022-11-02 21:08:24,769 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[367585,367598] [2022-11-02 21:08:24,770 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[367734,367747] [2022-11-02 21:08:24,770 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[367886,367899] [2022-11-02 21:08:24,771 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[368037,368050] [2022-11-02 21:08:24,771 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[368186,368199] [2022-11-02 21:08:24,772 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[368338,368351] [2022-11-02 21:08:24,772 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[368486,368499] [2022-11-02 21:08:24,772 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[368639,368652] [2022-11-02 21:08:24,773 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[368790,368803] [2022-11-02 21:08:24,773 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[368940,368953] [2022-11-02 21:08:24,774 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[369087,369100] [2022-11-02 21:08:24,774 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[369238,369251] [2022-11-02 21:08:24,775 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[369389,369402] [2022-11-02 21:08:24,775 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[369537,369550] [2022-11-02 21:08:24,776 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[369703,369716] [2022-11-02 21:08:24,776 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[369872,369885] [2022-11-02 21:08:24,776 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[370039,370052] [2022-11-02 21:08:24,777 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[370207,370220] [2022-11-02 21:08:24,777 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[370357,370370] [2022-11-02 21:08:24,778 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[370504,370517] [2022-11-02 21:08:24,778 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[370665,370678] [2022-11-02 21:08:24,779 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[370835,370848] [2022-11-02 21:08:24,779 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[370997,371010] [2022-11-02 21:08:24,784 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:08:24,816 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 21:08:25,356 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[357609,357622] [2022-11-02 21:08:25,361 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[357754,357767] [2022-11-02 21:08:25,362 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[357900,357913] [2022-11-02 21:08:25,363 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[358065,358078] [2022-11-02 21:08:25,363 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[358223,358236] [2022-11-02 21:08:25,365 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[358381,358394] [2022-11-02 21:08:25,370 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[358539,358552] [2022-11-02 21:08:25,370 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[358699,358712] [2022-11-02 21:08:25,371 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[358858,358871] [2022-11-02 21:08:25,372 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[358997,359010] [2022-11-02 21:08:25,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[359139,359152] [2022-11-02 21:08:25,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[359288,359301] [2022-11-02 21:08:25,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[359427,359440] [2022-11-02 21:08:25,374 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[359582,359595] [2022-11-02 21:08:25,375 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[359742,359755] [2022-11-02 21:08:25,375 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[359893,359906] [2022-11-02 21:08:25,376 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[360044,360057] [2022-11-02 21:08:25,376 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[360196,360209] [2022-11-02 21:08:25,378 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[360345,360358] [2022-11-02 21:08:25,378 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[360493,360506] [2022-11-02 21:08:25,379 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[360650,360663] [2022-11-02 21:08:25,379 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[360799,360812] [2022-11-02 21:08:25,380 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[360955,360968] [2022-11-02 21:08:25,381 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[361108,361121] [2022-11-02 21:08:25,382 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[361254,361267] [2022-11-02 21:08:25,382 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[361397,361410] [2022-11-02 21:08:25,383 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[361549,361562] [2022-11-02 21:08:25,383 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[361695,361708] [2022-11-02 21:08:25,384 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[361840,361853] [2022-11-02 21:08:25,384 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[361994,362007] [2022-11-02 21:08:25,384 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[362145,362158] [2022-11-02 21:08:25,385 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[362300,362313] [2022-11-02 21:08:25,385 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[362452,362465] [2022-11-02 21:08:25,386 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[362607,362620] [2022-11-02 21:08:25,386 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[362771,362784] [2022-11-02 21:08:25,387 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[362927,362940] [2022-11-02 21:08:25,388 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[363091,363104] [2022-11-02 21:08:25,388 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[363233,363246] [2022-11-02 21:08:25,389 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[363391,363404] [2022-11-02 21:08:25,389 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[363558,363571] [2022-11-02 21:08:25,391 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[363717,363730] [2022-11-02 21:08:25,392 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[363876,363889] [2022-11-02 21:08:25,393 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[364025,364038] [2022-11-02 21:08:25,393 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[364172,364185] [2022-11-02 21:08:25,394 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[364311,364324] [2022-11-02 21:08:25,394 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[364474,364487] [2022-11-02 21:08:25,395 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[364640,364653] [2022-11-02 21:08:25,395 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[364804,364817] [2022-11-02 21:08:25,395 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[364969,364982] [2022-11-02 21:08:25,397 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[365134,365147] [2022-11-02 21:08:25,398 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[365300,365313] [2022-11-02 21:08:25,398 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[365465,365478] [2022-11-02 21:08:25,399 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[365632,365645] [2022-11-02 21:08:25,401 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[365792,365805] [2022-11-02 21:08:25,405 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[365954,365967] [2022-11-02 21:08:25,406 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[366113,366126] [2022-11-02 21:08:25,407 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[366259,366272] [2022-11-02 21:08:25,407 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[366402,366415] [2022-11-02 21:08:25,407 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[366546,366559] [2022-11-02 21:08:25,408 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[366689,366702] [2022-11-02 21:08:25,408 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[366833,366846] [2022-11-02 21:08:25,409 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[366974,366987] [2022-11-02 21:08:25,410 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[367112,367125] [2022-11-02 21:08:25,411 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[367270,367283] [2022-11-02 21:08:25,419 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[367429,367442] [2022-11-02 21:08:25,420 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[367585,367598] [2022-11-02 21:08:25,420 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[367734,367747] [2022-11-02 21:08:25,421 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[367886,367899] [2022-11-02 21:08:25,421 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[368037,368050] [2022-11-02 21:08:25,423 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[368186,368199] [2022-11-02 21:08:25,424 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[368338,368351] [2022-11-02 21:08:25,424 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[368486,368499] [2022-11-02 21:08:25,424 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[368639,368652] [2022-11-02 21:08:25,429 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[368790,368803] [2022-11-02 21:08:25,430 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[368940,368953] [2022-11-02 21:08:25,430 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[369087,369100] [2022-11-02 21:08:25,431 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[369238,369251] [2022-11-02 21:08:25,431 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[369389,369402] [2022-11-02 21:08:25,433 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[369537,369550] [2022-11-02 21:08:25,434 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[369703,369716] [2022-11-02 21:08:25,434 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[369872,369885] [2022-11-02 21:08:25,435 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[370039,370052] [2022-11-02 21:08:25,436 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[370207,370220] [2022-11-02 21:08:25,436 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[370357,370370] [2022-11-02 21:08:25,436 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[370504,370517] [2022-11-02 21:08:25,437 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[370665,370678] [2022-11-02 21:08:25,438 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[370835,370848] [2022-11-02 21:08:25,439 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i[370997,371010] [2022-11-02 21:08:25,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 21:08:25,718 INFO L208 MainTranslator]: Completed translation [2022-11-02 21:08:25,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:25 WrapperNode [2022-11-02 21:08:25,719 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 21:08:25,720 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 21:08:25,720 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 21:08:25,720 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 21:08:25,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:25" (1/1) ... [2022-11-02 21:08:25,857 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:25" (1/1) ... [2022-11-02 21:08:25,998 INFO L138 Inliner]: procedures = 637, calls = 3767, calls flagged for inlining = 247, calls inlined = 94, statements flattened = 2733 [2022-11-02 21:08:25,998 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 21:08:25,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 21:08:25,999 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 21:08:25,999 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 21:08:26,008 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:25" (1/1) ... [2022-11-02 21:08:26,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:25" (1/1) ... [2022-11-02 21:08:26,029 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:25" (1/1) ... [2022-11-02 21:08:26,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:25" (1/1) ... [2022-11-02 21:08:26,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:25" (1/1) ... [2022-11-02 21:08:26,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:25" (1/1) ... [2022-11-02 21:08:26,216 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:25" (1/1) ... [2022-11-02 21:08:26,241 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:25" (1/1) ... [2022-11-02 21:08:26,283 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 21:08:26,284 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 21:08:26,284 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 21:08:26,284 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 21:08:26,285 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:25" (1/1) ... [2022-11-02 21:08:26,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 21:08:26,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 21:08:26,322 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 21:08:26,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ed684ae4-cd8e-4275-ada2-9e3bcd19a088/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 21:08:26,372 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-02 21:08:26,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-02 21:08:26,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-02 21:08:26,374 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-02 21:08:26,374 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-02 21:08:26,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-02 21:08:26,374 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-02 21:08:26,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~VOID [2022-11-02 21:08:26,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-02 21:08:26,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-02 21:08:26,375 INFO L130 BoogieDeclarations]: Found specification of procedure vx_pcm_capture_close [2022-11-02 21:08:26,375 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_pcm_capture_close [2022-11-02 21:08:26,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-02 21:08:26,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-02 21:08:26,377 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-02 21:08:26,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-02 21:08:26,377 INFO L130 BoogieDeclarations]: Found specification of procedure vx_alloc_pipe [2022-11-02 21:08:26,377 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_alloc_pipe [2022-11-02 21:08:26,379 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-02 21:08:26,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-02 21:08:26,379 INFO L130 BoogieDeclarations]: Found specification of procedure snd_vx_outl [2022-11-02 21:08:26,379 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_vx_outl [2022-11-02 21:08:26,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-02 21:08:26,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-02 21:08:26,380 INFO L130 BoogieDeclarations]: Found specification of procedure vx_set_differed_time [2022-11-02 21:08:26,380 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_set_differed_time [2022-11-02 21:08:26,380 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-02 21:08:26,380 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-02 21:08:26,381 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-02 21:08:26,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-02 21:08:26,381 INFO L130 BoogieDeclarations]: Found specification of procedure snd_vx_outb [2022-11-02 21:08:26,381 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_vx_outb [2022-11-02 21:08:26,381 INFO L130 BoogieDeclarations]: Found specification of procedure vx_send_msg [2022-11-02 21:08:26,381 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_send_msg [2022-11-02 21:08:26,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-02 21:08:26,382 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_lib_get_vmalloc_page [2022-11-02 21:08:26,382 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_lib_get_vmalloc_page [2022-11-02 21:08:26,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-02 21:08:26,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-02 21:08:26,383 INFO L130 BoogieDeclarations]: Found specification of procedure vx_send_irq_dsp [2022-11-02 21:08:26,383 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_send_irq_dsp [2022-11-02 21:08:26,383 INFO L130 BoogieDeclarations]: Found specification of procedure vx_set_pipe_cmd_params [2022-11-02 21:08:26,383 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_set_pipe_cmd_params [2022-11-02 21:08:26,383 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_vx_core [2022-11-02 21:08:26,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_lock_of_vx_core [2022-11-02 21:08:26,384 INFO L130 BoogieDeclarations]: Found specification of procedure vx_adjust_audio_level [2022-11-02 21:08:26,384 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_adjust_audio_level [2022-11-02 21:08:26,384 INFO L130 BoogieDeclarations]: Found specification of procedure vx_change_clock_source [2022-11-02 21:08:26,384 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_change_clock_source [2022-11-02 21:08:26,384 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-02 21:08:26,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2022-11-02 21:08:26,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-02 21:08:26,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-02 21:08:26,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-02 21:08:26,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-02 21:08:26,385 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-02 21:08:26,385 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-02 21:08:26,386 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-02 21:08:26,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-02 21:08:26,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-02 21:08:26,387 INFO L130 BoogieDeclarations]: Found specification of procedure vx_transfer_end [2022-11-02 21:08:26,387 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_transfer_end [2022-11-02 21:08:26,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-02 21:08:26,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-02 21:08:26,387 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-02 21:08:26,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-02 21:08:26,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-02 21:08:26,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-02 21:08:26,388 INFO L130 BoogieDeclarations]: Found specification of procedure vx_read_status [2022-11-02 21:08:26,388 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_read_status [2022-11-02 21:08:26,388 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-02 21:08:26,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-02 21:08:26,393 INFO L130 BoogieDeclarations]: Found specification of procedure vx_sync_audio_source [2022-11-02 21:08:26,393 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_sync_audio_source [2022-11-02 21:08:26,393 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-02 21:08:26,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-02 21:08:26,394 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-02 21:08:26,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-02 21:08:26,394 INFO L130 BoogieDeclarations]: Found specification of procedure vx_stop_stream [2022-11-02 21:08:26,394 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_stop_stream [2022-11-02 21:08:26,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-02 21:08:26,395 INFO L130 BoogieDeclarations]: Found specification of procedure vx_conf_pipe [2022-11-02 21:08:26,397 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_conf_pipe [2022-11-02 21:08:26,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_calloc [2022-11-02 21:08:26,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_calloc [2022-11-02 21:08:26,398 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 21:08:26,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-02 21:08:26,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-02 21:08:26,399 INFO L130 BoogieDeclarations]: Found specification of procedure vx_query_hbuffer_size [2022-11-02 21:08:26,399 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_query_hbuffer_size [2022-11-02 21:08:26,399 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-02 21:08:26,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-02 21:08:26,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-02 21:08:26,399 INFO L130 BoogieDeclarations]: Found specification of procedure vx_pipe_can_start [2022-11-02 21:08:26,400 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_pipe_can_start [2022-11-02 21:08:26,400 INFO L130 BoogieDeclarations]: Found specification of procedure vx_pcm_capture_open [2022-11-02 21:08:26,400 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_pcm_capture_open [2022-11-02 21:08:26,400 INFO L130 BoogieDeclarations]: Found specification of procedure vx_set_codec_reg [2022-11-02 21:08:26,400 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_set_codec_reg [2022-11-02 21:08:26,400 INFO L130 BoogieDeclarations]: Found specification of procedure vx_set_clock [2022-11-02 21:08:26,401 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_set_clock [2022-11-02 21:08:26,401 INFO L130 BoogieDeclarations]: Found specification of procedure vx_notify_end_of_buffer [2022-11-02 21:08:26,401 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_notify_end_of_buffer [2022-11-02 21:08:26,401 INFO L130 BoogieDeclarations]: Found specification of procedure vx_set_monitor_level [2022-11-02 21:08:26,401 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_set_monitor_level [2022-11-02 21:08:26,401 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-02 21:08:26,401 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-02 21:08:26,402 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-02 21:08:26,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-02 21:08:26,402 INFO L130 BoogieDeclarations]: Found specification of procedure vx_stop_pipe [2022-11-02 21:08:26,402 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_stop_pipe [2022-11-02 21:08:26,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 21:08:26,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 21:08:26,403 INFO L130 BoogieDeclarations]: Found specification of procedure vx_send_irqa [2022-11-02 21:08:26,403 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_send_irqa [2022-11-02 21:08:26,403 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-02 21:08:26,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-02 21:08:26,403 INFO L130 BoogieDeclarations]: Found specification of procedure vx_free_pipe [2022-11-02 21:08:26,403 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_free_pipe [2022-11-02 21:08:26,404 INFO L130 BoogieDeclarations]: Found specification of procedure vx_set_stream_cmd_params [2022-11-02 21:08:26,404 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_set_stream_cmd_params [2022-11-02 21:08:26,404 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_hw_constraint_step [2022-11-02 21:08:26,405 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_hw_constraint_step [2022-11-02 21:08:26,405 INFO L130 BoogieDeclarations]: Found specification of procedure vx_pcm_hw_params [2022-11-02 21:08:26,405 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_pcm_hw_params [2022-11-02 21:08:26,405 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_lock_of_vx_core [2022-11-02 21:08:26,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_unlock_lock_of_vx_core [2022-11-02 21:08:26,406 INFO L130 BoogieDeclarations]: Found specification of procedure vx_pcm_playback_open [2022-11-02 21:08:26,406 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_pcm_playback_open [2022-11-02 21:08:26,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-02 21:08:26,406 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-02 21:08:26,406 INFO L130 BoogieDeclarations]: Found specification of procedure vx_toggle_dac_mute [2022-11-02 21:08:26,407 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_toggle_dac_mute [2022-11-02 21:08:26,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-02 21:08:26,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-02 21:08:26,407 INFO L130 BoogieDeclarations]: Found specification of procedure vx_reset_chk [2022-11-02 21:08:26,407 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_reset_chk [2022-11-02 21:08:26,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-02 21:08:26,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-02 21:08:26,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-02 21:08:26,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-02 21:08:26,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-02 21:08:26,408 INFO L130 BoogieDeclarations]: Found specification of procedure vx_start_stream [2022-11-02 21:08:26,408 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_start_stream [2022-11-02 21:08:26,408 INFO L130 BoogieDeclarations]: Found specification of procedure vx_send_rih_nolock [2022-11-02 21:08:26,409 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_send_rih_nolock [2022-11-02 21:08:26,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-02 21:08:26,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-02 21:08:26,409 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-02 21:08:26,409 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-02 21:08:26,409 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-02 21:08:26,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-02 21:08:26,410 INFO L130 BoogieDeclarations]: Found specification of procedure vx_pcm_trigger [2022-11-02 21:08:26,410 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_pcm_trigger [2022-11-02 21:08:26,410 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-02 21:08:26,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-02 21:08:26,410 INFO L130 BoogieDeclarations]: Found specification of procedure vx_get_pipe_state [2022-11-02 21:08:26,410 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_get_pipe_state [2022-11-02 21:08:26,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-02 21:08:26,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-02 21:08:26,411 INFO L130 BoogieDeclarations]: Found specification of procedure vx_pcm_playback_close [2022-11-02 21:08:26,411 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_pcm_playback_close [2022-11-02 21:08:26,411 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-02 21:08:26,411 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-02 21:08:26,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-02 21:08:26,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-02 21:08:26,412 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-02 21:08:26,412 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-02 21:08:26,412 INFO L130 BoogieDeclarations]: Found specification of procedure vx_send_rih [2022-11-02 21:08:26,412 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_send_rih [2022-11-02 21:08:26,412 INFO L130 BoogieDeclarations]: Found specification of procedure vx_send_msg_nolock [2022-11-02 21:08:26,413 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_send_msg_nolock [2022-11-02 21:08:26,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-02 21:08:26,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-02 21:08:26,413 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-02 21:08:26,413 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-02 21:08:26,413 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-02 21:08:26,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-02 21:08:26,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-02 21:08:26,414 INFO L130 BoogieDeclarations]: Found specification of procedure vx_update_pipe_position [2022-11-02 21:08:26,414 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_update_pipe_position [2022-11-02 21:08:26,414 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-02 21:08:26,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-02 21:08:26,415 INFO L130 BoogieDeclarations]: Found specification of procedure vx_pcm_playback_transfer [2022-11-02 21:08:26,415 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_pcm_playback_transfer [2022-11-02 21:08:26,415 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-02 21:08:26,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-02 21:08:26,415 INFO L130 BoogieDeclarations]: Found specification of procedure vx_pcm_prepare [2022-11-02 21:08:26,415 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_pcm_prepare [2022-11-02 21:08:26,415 INFO L130 BoogieDeclarations]: Found specification of procedure vx_pcm_playback_transfer_chunk [2022-11-02 21:08:26,416 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_pcm_playback_transfer_chunk [2022-11-02 21:08:26,416 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-02 21:08:26,416 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-02 21:08:26,416 INFO L130 BoogieDeclarations]: Found specification of procedure vx_pcm_hw_free [2022-11-02 21:08:26,416 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_pcm_hw_free [2022-11-02 21:08:26,416 INFO L130 BoogieDeclarations]: Found specification of procedure frames_to_bytes [2022-11-02 21:08:26,417 INFO L138 BoogieDeclarations]: Found implementation of procedure frames_to_bytes [2022-11-02 21:08:26,417 INFO L130 BoogieDeclarations]: Found specification of procedure snd_vx_inb [2022-11-02 21:08:26,417 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_vx_inb [2022-11-02 21:08:26,417 INFO L130 BoogieDeclarations]: Found specification of procedure snd_pcm_lib_ioctl [2022-11-02 21:08:26,417 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_pcm_lib_ioctl [2022-11-02 21:08:26,417 INFO L130 BoogieDeclarations]: Found specification of procedure snd_vx_check_reg_bit [2022-11-02 21:08:26,418 INFO L138 BoogieDeclarations]: Found implementation of procedure snd_vx_check_reg_bit [2022-11-02 21:08:26,418 INFO L130 BoogieDeclarations]: Found specification of procedure vx_toggle_pipe [2022-11-02 21:08:26,418 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_toggle_pipe [2022-11-02 21:08:26,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-02 21:08:26,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-02 21:08:26,418 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-02 21:08:26,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-02 21:08:26,420 INFO L130 BoogieDeclarations]: Found specification of procedure vx_set_internal_clock [2022-11-02 21:08:26,420 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_set_internal_clock [2022-11-02 21:08:26,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 21:08:26,420 INFO L130 BoogieDeclarations]: Found specification of procedure vx_init_rmh [2022-11-02 21:08:26,420 INFO L138 BoogieDeclarations]: Found implementation of procedure vx_init_rmh [2022-11-02 21:08:26,420 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2022-11-02 21:08:26,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~VOID [2022-11-02 21:08:27,084 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 21:08:27,088 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 21:08:27,210 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-02 21:08:36,851 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 21:08:36,881 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 21:08:36,881 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-02 21:08:36,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:08:36 BoogieIcfgContainer [2022-11-02 21:08:36,885 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 21:08:36,888 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 21:08:36,888 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 21:08:36,892 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 21:08:36,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 09:08:20" (1/3) ... [2022-11-02 21:08:36,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2641203f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:08:36, skipping insertion in model container [2022-11-02 21:08:36,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 09:08:25" (2/3) ... [2022-11-02 21:08:36,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2641203f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 09:08:36, skipping insertion in model container [2022-11-02 21:08:36,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 09:08:36" (3/3) ... [2022-11-02 21:08:36,895 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---sound--drivers--vx--snd-vx-lib.ko.cil.i [2022-11-02 21:08:36,916 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 21:08:36,916 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 25 error locations. [2022-11-02 21:08:37,020 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 21:08:37,026 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;@38666dfd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 21:08:37,026 INFO L358 AbstractCegarLoop]: Starting to check reachability of 25 error locations. [2022-11-02 21:08:37,041 INFO L276 IsEmpty]: Start isEmpty. Operand has 1298 states, 848 states have (on average 1.294811320754717) internal successors, (1098), 892 states have internal predecessors, (1098), 325 states have call successors, (325), 102 states have call predecessors, (325), 101 states have return successors, (321), 320 states have call predecessors, (321), 321 states have call successors, (321) [2022-11-02 21:08:37,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-11-02 21:08:37,050 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:08:37,051 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:08:37,051 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 23 more)] === [2022-11-02 21:08:37,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:37,057 INFO L85 PathProgramCache]: Analyzing trace with hash -162993067, now seen corresponding path program 1 times [2022-11-02 21:08:37,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:37,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116510441] [2022-11-02 21:08:37,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:37,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:37,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:38,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:08:38,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:38,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 21:08:38,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:38,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-02 21:08:38,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:38,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 21:08:38,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:38,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:08:38,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:38,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:08:38,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:38,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 21:08:38,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:38,623 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-02 21:08:38,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:38,624 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116510441] [2022-11-02 21:08:38,627 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116510441] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:38,627 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:38,627 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:08:38,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769792566] [2022-11-02 21:08:38,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:38,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:08:38,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:38,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:08:38,675 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:08:38,680 INFO L87 Difference]: Start difference. First operand has 1298 states, 848 states have (on average 1.294811320754717) internal successors, (1098), 892 states have internal predecessors, (1098), 325 states have call successors, (325), 102 states have call predecessors, (325), 101 states have return successors, (321), 320 states have call predecessors, (321), 321 states have call successors, (321) Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-02 21:08:42,773 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:08:46,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:08:48,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:08:48,383 INFO L93 Difference]: Finished difference Result 2544 states and 3596 transitions. [2022-11-02 21:08:48,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 21:08:48,387 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 49 [2022-11-02 21:08:48,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:08:48,426 INFO L225 Difference]: With dead ends: 2544 [2022-11-02 21:08:48,426 INFO L226 Difference]: Without dead ends: 1275 [2022-11-02 21:08:48,441 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-02 21:08:48,444 INFO L413 NwaCegarLoop]: 1467 mSDtfsCounter, 2989 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 1886 mSolverCounterSat, 1576 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3069 SdHoareTripleChecker+Valid, 1954 SdHoareTripleChecker+Invalid, 3464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1576 IncrementalHoareTripleChecker+Valid, 1886 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-11-02 21:08:48,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3069 Valid, 1954 Invalid, 3464 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1576 Valid, 1886 Invalid, 2 Unknown, 0 Unchecked, 9.2s Time] [2022-11-02 21:08:48,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1275 states. [2022-11-02 21:08:48,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1275 to 1275. [2022-11-02 21:08:48,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1275 states, 832 states have (on average 1.2620192307692308) internal successors, (1050), 870 states have internal predecessors, (1050), 319 states have call successors, (319), 101 states have call predecessors, (319), 100 states have return successors, (317), 316 states have call predecessors, (317), 317 states have call successors, (317) [2022-11-02 21:08:48,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 1275 states and 1686 transitions. [2022-11-02 21:08:48,620 INFO L78 Accepts]: Start accepts. Automaton has 1275 states and 1686 transitions. Word has length 49 [2022-11-02 21:08:48,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:08:48,621 INFO L495 AbstractCegarLoop]: Abstraction has 1275 states and 1686 transitions. [2022-11-02 21:08:48,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (8), 4 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-02 21:08:48,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1275 states and 1686 transitions. [2022-11-02 21:08:48,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-11-02 21:08:48,625 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:08:48,625 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:08:48,625 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 21:08:48,625 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 23 more)] === [2022-11-02 21:08:48,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:48,627 INFO L85 PathProgramCache]: Analyzing trace with hash 469508616, now seen corresponding path program 1 times [2022-11-02 21:08:48,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:48,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1921377559] [2022-11-02 21:08:48,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:48,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:48,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:49,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:08:49,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:49,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 21:08:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:49,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-02 21:08:49,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:49,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 21:08:49,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:49,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:08:49,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:49,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:08:49,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:49,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 21:08:49,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:49,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-02 21:08:49,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:49,444 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-02 21:08:49,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:49,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1921377559] [2022-11-02 21:08:49,445 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1921377559] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:49,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:49,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:08:49,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096073133] [2022-11-02 21:08:49,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:49,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:08:49,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:49,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:08:49,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:08:49,449 INFO L87 Difference]: Start difference. First operand 1275 states and 1686 transitions. Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-02 21:08:51,327 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:08:53,622 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:08:57,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:08:58,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:08:58,872 INFO L93 Difference]: Finished difference Result 1275 states and 1686 transitions. [2022-11-02 21:08:58,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 21:08:58,873 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 55 [2022-11-02 21:08:58,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:08:58,881 INFO L225 Difference]: With dead ends: 1275 [2022-11-02 21:08:58,881 INFO L226 Difference]: Without dead ends: 1273 [2022-11-02 21:08:58,882 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-02 21:08:58,883 INFO L413 NwaCegarLoop]: 1449 mSDtfsCounter, 2957 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 1873 mSolverCounterSat, 1568 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3034 SdHoareTripleChecker+Valid, 1920 SdHoareTripleChecker+Invalid, 3442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1568 IncrementalHoareTripleChecker+Valid, 1873 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:08:58,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3034 Valid, 1920 Invalid, 3442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1568 Valid, 1873 Invalid, 1 Unknown, 0 Unchecked, 9.1s Time] [2022-11-02 21:08:58,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1273 states. [2022-11-02 21:08:58,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1273 to 1273. [2022-11-02 21:08:58,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1273 states, 831 states have (on average 1.2611311672683514) internal successors, (1048), 868 states have internal predecessors, (1048), 319 states have call successors, (319), 101 states have call predecessors, (319), 100 states have return successors, (317), 316 states have call predecessors, (317), 317 states have call successors, (317) [2022-11-02 21:08:58,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1273 states to 1273 states and 1684 transitions. [2022-11-02 21:08:58,988 INFO L78 Accepts]: Start accepts. Automaton has 1273 states and 1684 transitions. Word has length 55 [2022-11-02 21:08:58,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:08:58,988 INFO L495 AbstractCegarLoop]: Abstraction has 1273 states and 1684 transitions. [2022-11-02 21:08:58,989 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (9), 4 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-02 21:08:58,989 INFO L276 IsEmpty]: Start isEmpty. Operand 1273 states and 1684 transitions. [2022-11-02 21:08:58,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-02 21:08:58,990 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:08:58,991 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:08:58,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 21:08:58,991 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 23 more)] === [2022-11-02 21:08:58,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:08:58,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1474442499, now seen corresponding path program 1 times [2022-11-02 21:08:58,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:08:58,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233605184] [2022-11-02 21:08:58,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:08:58,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:08:59,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:59,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:08:59,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:59,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 21:08:59,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:59,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-02 21:08:59,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:59,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 21:08:59,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:59,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:08:59,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:59,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:08:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:59,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 21:08:59,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:59,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-02 21:08:59,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:59,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-02 21:08:59,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:08:59,703 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-02 21:08:59,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:08:59,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233605184] [2022-11-02 21:08:59,704 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233605184] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:08:59,704 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:08:59,704 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:08:59,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376901770] [2022-11-02 21:08:59,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:08:59,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:08:59,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:08:59,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:08:59,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:08:59,706 INFO L87 Difference]: Start difference. First operand 1273 states and 1684 transitions. Second operand has 6 states, 6 states have (on average 6.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-02 21:09:01,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:09:06,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:09:06,984 INFO L93 Difference]: Finished difference Result 1273 states and 1684 transitions. [2022-11-02 21:09:06,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 21:09:06,985 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 61 [2022-11-02 21:09:06,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:09:06,993 INFO L225 Difference]: With dead ends: 1273 [2022-11-02 21:09:06,993 INFO L226 Difference]: Without dead ends: 1271 [2022-11-02 21:09:06,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-02 21:09:06,995 INFO L413 NwaCegarLoop]: 1447 mSDtfsCounter, 2951 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 1872 mSolverCounterSat, 1568 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3027 SdHoareTripleChecker+Valid, 1918 SdHoareTripleChecker+Invalid, 3440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1568 IncrementalHoareTripleChecker+Valid, 1872 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-11-02 21:09:06,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3027 Valid, 1918 Invalid, 3440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1568 Valid, 1872 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2022-11-02 21:09:06,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1271 states. [2022-11-02 21:09:07,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1271 to 1271. [2022-11-02 21:09:07,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1271 states, 830 states have (on average 1.2602409638554217) internal successors, (1046), 866 states have internal predecessors, (1046), 319 states have call successors, (319), 101 states have call predecessors, (319), 100 states have return successors, (317), 316 states have call predecessors, (317), 317 states have call successors, (317) [2022-11-02 21:09:07,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1271 states to 1271 states and 1682 transitions. [2022-11-02 21:09:07,088 INFO L78 Accepts]: Start accepts. Automaton has 1271 states and 1682 transitions. Word has length 61 [2022-11-02 21:09:07,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:09:07,089 INFO L495 AbstractCegarLoop]: Abstraction has 1271 states and 1682 transitions. [2022-11-02 21:09:07,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-02 21:09:07,089 INFO L276 IsEmpty]: Start isEmpty. Operand 1271 states and 1682 transitions. [2022-11-02 21:09:07,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-11-02 21:09:07,096 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:09:07,097 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:09:07,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 21:09:07,098 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 23 more)] === [2022-11-02 21:09:07,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:09:07,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1246115291, now seen corresponding path program 1 times [2022-11-02 21:09:07,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:09:07,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706358596] [2022-11-02 21:09:07,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:09:07,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:09:07,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:07,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:09:07,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:07,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 21:09:07,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:07,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-02 21:09:07,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:07,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 21:09:07,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:07,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:09:07,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:07,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:09:07,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:07,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 21:09:07,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:07,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-02 21:09:07,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:07,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-02 21:09:07,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:07,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-02 21:09:07,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:07,849 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-02 21:09:07,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:09:07,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706358596] [2022-11-02 21:09:07,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706358596] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:09:07,850 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:09:07,850 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:09:07,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335895141] [2022-11-02 21:09:07,851 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:09:07,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:09:07,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:09:07,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:09:07,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:09:07,852 INFO L87 Difference]: Start difference. First operand 1271 states and 1682 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-02 21:09:10,128 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:09:12,353 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:09:16,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:09:17,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:09:17,654 INFO L93 Difference]: Finished difference Result 1271 states and 1682 transitions. [2022-11-02 21:09:17,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 21:09:17,655 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 67 [2022-11-02 21:09:17,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:09:17,663 INFO L225 Difference]: With dead ends: 1271 [2022-11-02 21:09:17,663 INFO L226 Difference]: Without dead ends: 1269 [2022-11-02 21:09:17,664 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-02 21:09:17,665 INFO L413 NwaCegarLoop]: 1445 mSDtfsCounter, 2945 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 1868 mSolverCounterSat, 1568 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3020 SdHoareTripleChecker+Valid, 1916 SdHoareTripleChecker+Invalid, 3438 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1568 IncrementalHoareTripleChecker+Valid, 1868 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.5s IncrementalHoareTripleChecker+Time [2022-11-02 21:09:17,666 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3020 Valid, 1916 Invalid, 3438 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1568 Valid, 1868 Invalid, 2 Unknown, 0 Unchecked, 9.5s Time] [2022-11-02 21:09:17,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1269 states. [2022-11-02 21:09:17,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1269 to 1269. [2022-11-02 21:09:17,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1269 states, 829 states have (on average 1.2593486127864897) internal successors, (1044), 864 states have internal predecessors, (1044), 319 states have call successors, (319), 101 states have call predecessors, (319), 100 states have return successors, (317), 316 states have call predecessors, (317), 317 states have call successors, (317) [2022-11-02 21:09:17,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 1269 states and 1680 transitions. [2022-11-02 21:09:17,761 INFO L78 Accepts]: Start accepts. Automaton has 1269 states and 1680 transitions. Word has length 67 [2022-11-02 21:09:17,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:09:17,764 INFO L495 AbstractCegarLoop]: Abstraction has 1269 states and 1680 transitions. [2022-11-02 21:09:17,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-02 21:09:17,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1269 states and 1680 transitions. [2022-11-02 21:09:17,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-02 21:09:17,769 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:09:17,769 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:09:17,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 21:09:17,770 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 23 more)] === [2022-11-02 21:09:17,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:09:17,770 INFO L85 PathProgramCache]: Analyzing trace with hash -636126453, now seen corresponding path program 1 times [2022-11-02 21:09:17,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:09:17,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82898434] [2022-11-02 21:09:17,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:09:17,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:09:17,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:18,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:09:18,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:18,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 21:09:18,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:18,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-02 21:09:18,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:18,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 21:09:18,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:18,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:09:18,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:18,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:09:18,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:18,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 21:09:18,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:18,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-02 21:09:18,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:18,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-02 21:09:18,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:18,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-02 21:09:18,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:18,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-02 21:09:18,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:18,492 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-02 21:09:18,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:09:18,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82898434] [2022-11-02 21:09:18,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82898434] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:09:18,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:09:18,493 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:09:18,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838076190] [2022-11-02 21:09:18,493 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:09:18,494 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:09:18,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:09:18,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:09:18,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:09:18,496 INFO L87 Difference]: Start difference. First operand 1269 states and 1680 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-02 21:09:20,587 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:09:25,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:09:25,633 INFO L93 Difference]: Finished difference Result 1269 states and 1680 transitions. [2022-11-02 21:09:25,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 21:09:25,634 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), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 73 [2022-11-02 21:09:25,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:09:25,642 INFO L225 Difference]: With dead ends: 1269 [2022-11-02 21:09:25,642 INFO L226 Difference]: Without dead ends: 1267 [2022-11-02 21:09:25,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-02 21:09:25,644 INFO L413 NwaCegarLoop]: 1443 mSDtfsCounter, 2939 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 1868 mSolverCounterSat, 1568 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3013 SdHoareTripleChecker+Valid, 1914 SdHoareTripleChecker+Invalid, 3436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1568 IncrementalHoareTripleChecker+Valid, 1868 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2022-11-02 21:09:25,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3013 Valid, 1914 Invalid, 3436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1568 Valid, 1868 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2022-11-02 21:09:25,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1267 states. [2022-11-02 21:09:25,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1267 to 1267. [2022-11-02 21:09:25,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1267 states, 828 states have (on average 1.2584541062801933) internal successors, (1042), 862 states have internal predecessors, (1042), 319 states have call successors, (319), 101 states have call predecessors, (319), 100 states have return successors, (317), 316 states have call predecessors, (317), 317 states have call successors, (317) [2022-11-02 21:09:25,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1267 states to 1267 states and 1678 transitions. [2022-11-02 21:09:25,739 INFO L78 Accepts]: Start accepts. Automaton has 1267 states and 1678 transitions. Word has length 73 [2022-11-02 21:09:25,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:09:25,740 INFO L495 AbstractCegarLoop]: Abstraction has 1267 states and 1678 transitions. [2022-11-02 21:09:25,740 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), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-02 21:09:25,740 INFO L276 IsEmpty]: Start isEmpty. Operand 1267 states and 1678 transitions. [2022-11-02 21:09:25,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-02 21:09:25,741 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:09:25,741 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:09:25,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 21:09:25,742 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 23 more)] === [2022-11-02 21:09:25,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:09:25,742 INFO L85 PathProgramCache]: Analyzing trace with hash -513502878, now seen corresponding path program 1 times [2022-11-02 21:09:25,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:09:25,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977805517] [2022-11-02 21:09:25,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:09:25,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:09:25,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:26,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:09:26,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:26,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 21:09:26,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:26,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-02 21:09:26,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:26,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 21:09:26,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:26,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:09:26,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:26,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:09:26,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:26,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 21:09:26,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:26,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-02 21:09:26,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:26,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-02 21:09:26,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:26,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-02 21:09:26,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:26,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-02 21:09:26,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:26,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:09:26,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:26,470 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-02 21:09:26,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:09:26,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977805517] [2022-11-02 21:09:26,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977805517] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:09:26,471 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:09:26,471 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:09:26,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842695724] [2022-11-02 21:09:26,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:09:26,472 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:09:26,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:09:26,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:09:26,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:09:26,473 INFO L87 Difference]: Start difference. First operand 1267 states and 1678 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-02 21:09:28,535 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:09:30,769 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:09:34,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:09:35,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:09:35,777 INFO L93 Difference]: Finished difference Result 1267 states and 1678 transitions. [2022-11-02 21:09:35,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 21:09:35,778 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 79 [2022-11-02 21:09:35,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:09:35,786 INFO L225 Difference]: With dead ends: 1267 [2022-11-02 21:09:35,786 INFO L226 Difference]: Without dead ends: 1265 [2022-11-02 21:09:35,787 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-02 21:09:35,788 INFO L413 NwaCegarLoop]: 1441 mSDtfsCounter, 2933 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 1864 mSolverCounterSat, 1568 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3006 SdHoareTripleChecker+Valid, 1912 SdHoareTripleChecker+Invalid, 3434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1568 IncrementalHoareTripleChecker+Valid, 1864 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:09:35,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3006 Valid, 1912 Invalid, 3434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1568 Valid, 1864 Invalid, 2 Unknown, 0 Unchecked, 9.1s Time] [2022-11-02 21:09:35,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1265 states. [2022-11-02 21:09:35,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1265 to 1265. [2022-11-02 21:09:35,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1265 states, 827 states have (on average 1.2575574365175333) internal successors, (1040), 860 states have internal predecessors, (1040), 319 states have call successors, (319), 101 states have call predecessors, (319), 100 states have return successors, (317), 316 states have call predecessors, (317), 317 states have call successors, (317) [2022-11-02 21:09:35,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 1265 states and 1676 transitions. [2022-11-02 21:09:35,893 INFO L78 Accepts]: Start accepts. Automaton has 1265 states and 1676 transitions. Word has length 79 [2022-11-02 21:09:35,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:09:35,895 INFO L495 AbstractCegarLoop]: Abstraction has 1265 states and 1676 transitions. [2022-11-02 21:09:35,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-02 21:09:35,896 INFO L276 IsEmpty]: Start isEmpty. Operand 1265 states and 1676 transitions. [2022-11-02 21:09:35,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-02 21:09:35,927 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:09:35,927 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:09:35,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-02 21:09:35,928 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-02 21:09:35,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:09:35,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1830884100, now seen corresponding path program 1 times [2022-11-02 21:09:35,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:09:35,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405997576] [2022-11-02 21:09:35,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:09:35,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:09:36,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:36,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:09:36,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:36,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 21:09:36,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:36,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-02 21:09:36,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:36,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 21:09:36,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:36,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:09:36,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:36,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:09:36,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:36,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 21:09:36,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:36,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-02 21:09:36,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:36,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-02 21:09:36,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:36,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-02 21:09:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:36,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-02 21:09:36,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:36,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:09:36,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:36,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-02 21:09:36,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:36,619 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-02 21:09:36,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:09:36,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405997576] [2022-11-02 21:09:36,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405997576] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:09:36,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:09:36,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:09:36,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646152143] [2022-11-02 21:09:36,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:09:36,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:09:36,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:09:36,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:09:36,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:09:36,623 INFO L87 Difference]: Start difference. First operand 1265 states and 1676 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-02 21:09:38,559 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:09:40,780 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:09:44,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:09:45,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:09:45,673 INFO L93 Difference]: Finished difference Result 1265 states and 1676 transitions. [2022-11-02 21:09:45,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 21:09:45,681 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 85 [2022-11-02 21:09:45,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:09:45,689 INFO L225 Difference]: With dead ends: 1265 [2022-11-02 21:09:45,689 INFO L226 Difference]: Without dead ends: 1263 [2022-11-02 21:09:45,691 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-02 21:09:45,692 INFO L413 NwaCegarLoop]: 1439 mSDtfsCounter, 2927 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 1862 mSolverCounterSat, 1568 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2999 SdHoareTripleChecker+Valid, 1910 SdHoareTripleChecker+Invalid, 3432 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1568 IncrementalHoareTripleChecker+Valid, 1862 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-11-02 21:09:45,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2999 Valid, 1910 Invalid, 3432 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1568 Valid, 1862 Invalid, 2 Unknown, 0 Unchecked, 8.8s Time] [2022-11-02 21:09:45,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1263 states. [2022-11-02 21:09:45,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1263 to 1263. [2022-11-02 21:09:45,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1263 states, 826 states have (on average 1.2566585956416465) internal successors, (1038), 858 states have internal predecessors, (1038), 319 states have call successors, (319), 101 states have call predecessors, (319), 100 states have return successors, (317), 316 states have call predecessors, (317), 317 states have call successors, (317) [2022-11-02 21:09:45,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1263 states to 1263 states and 1674 transitions. [2022-11-02 21:09:45,822 INFO L78 Accepts]: Start accepts. Automaton has 1263 states and 1674 transitions. Word has length 85 [2022-11-02 21:09:45,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:09:45,822 INFO L495 AbstractCegarLoop]: Abstraction has 1263 states and 1674 transitions. [2022-11-02 21:09:45,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-02 21:09:45,823 INFO L276 IsEmpty]: Start isEmpty. Operand 1263 states and 1674 transitions. [2022-11-02 21:09:45,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-02 21:09:45,827 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:09:45,828 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:09:45,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-02 21:09:45,828 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-02 21:09:45,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:09:45,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1565474190, now seen corresponding path program 1 times [2022-11-02 21:09:45,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:09:45,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903094621] [2022-11-02 21:09:45,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:09:45,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:09:45,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:46,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:09:46,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:46,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 21:09:46,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:46,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-02 21:09:46,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:46,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 21:09:46,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:46,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:09:46,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:46,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:09:46,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:46,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 21:09:46,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:46,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-02 21:09:46,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:46,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-02 21:09:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:46,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-02 21:09:46,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:46,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-02 21:09:46,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:46,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:09:46,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:46,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-02 21:09:46,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:46,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-02 21:09:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:46,606 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-02 21:09:46,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:09:46,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903094621] [2022-11-02 21:09:46,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903094621] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:09:46,607 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:09:46,607 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:09:46,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099342187] [2022-11-02 21:09:46,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:09:46,608 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:09:46,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:09:46,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:09:46,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:09:46,609 INFO L87 Difference]: Start difference. First operand 1263 states and 1674 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-02 21:09:50,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:09:54,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:09:55,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:09:55,427 INFO L93 Difference]: Finished difference Result 1263 states and 1674 transitions. [2022-11-02 21:09:55,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 21:09:55,428 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 91 [2022-11-02 21:09:55,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:09:55,434 INFO L225 Difference]: With dead ends: 1263 [2022-11-02 21:09:55,435 INFO L226 Difference]: Without dead ends: 1261 [2022-11-02 21:09:55,435 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-02 21:09:55,436 INFO L413 NwaCegarLoop]: 1437 mSDtfsCounter, 2925 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 1856 mSolverCounterSat, 1568 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2996 SdHoareTripleChecker+Valid, 1908 SdHoareTripleChecker+Invalid, 3426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1568 IncrementalHoareTripleChecker+Valid, 1856 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2022-11-02 21:09:55,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2996 Valid, 1908 Invalid, 3426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1568 Valid, 1856 Invalid, 2 Unknown, 0 Unchecked, 8.5s Time] [2022-11-02 21:09:55,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1261 states. [2022-11-02 21:09:55,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1261 to 1261. [2022-11-02 21:09:55,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1261 states, 825 states have (on average 1.2557575757575759) internal successors, (1036), 856 states have internal predecessors, (1036), 319 states have call successors, (319), 101 states have call predecessors, (319), 100 states have return successors, (317), 316 states have call predecessors, (317), 317 states have call successors, (317) [2022-11-02 21:09:55,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1261 states to 1261 states and 1672 transitions. [2022-11-02 21:09:55,548 INFO L78 Accepts]: Start accepts. Automaton has 1261 states and 1672 transitions. Word has length 91 [2022-11-02 21:09:55,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:09:55,548 INFO L495 AbstractCegarLoop]: Abstraction has 1261 states and 1672 transitions. [2022-11-02 21:09:55,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-02 21:09:55,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1261 states and 1672 transitions. [2022-11-02 21:09:55,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-02 21:09:55,550 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:09:55,551 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:09:55,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-02 21:09:55,551 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-02 21:09:55,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:09:55,552 INFO L85 PathProgramCache]: Analyzing trace with hash -1182003051, now seen corresponding path program 1 times [2022-11-02 21:09:55,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:09:55,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264370981] [2022-11-02 21:09:55,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:09:55,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:09:55,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:56,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:09:56,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:56,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 21:09:56,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:56,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-02 21:09:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:56,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 21:09:56,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:56,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:09:56,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:56,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:09:56,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:56,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 21:09:56,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:56,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-02 21:09:56,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:56,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-02 21:09:56,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:56,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-02 21:09:56,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:56,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-02 21:09:56,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:56,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:09:56,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:56,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-02 21:09:56,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:56,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-02 21:09:56,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:09:56,190 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-02 21:09:56,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:09:56,191 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264370981] [2022-11-02 21:09:56,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264370981] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:09:56,191 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:09:56,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:09:56,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014543860] [2022-11-02 21:09:56,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:09:56,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:09:56,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:09:56,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:09:56,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:09:56,195 INFO L87 Difference]: Start difference. First operand 1261 states and 1672 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-02 21:09:58,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:10:02,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:10:03,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:10:03,273 INFO L93 Difference]: Finished difference Result 1261 states and 1672 transitions. [2022-11-02 21:10:03,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 21:10:03,274 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 93 [2022-11-02 21:10:03,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:10:03,280 INFO L225 Difference]: With dead ends: 1261 [2022-11-02 21:10:03,281 INFO L226 Difference]: Without dead ends: 1259 [2022-11-02 21:10:03,281 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-02 21:10:03,282 INFO L413 NwaCegarLoop]: 1435 mSDtfsCounter, 2913 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 1860 mSolverCounterSat, 1568 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2984 SdHoareTripleChecker+Valid, 1906 SdHoareTripleChecker+Invalid, 3428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1568 IncrementalHoareTripleChecker+Valid, 1860 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2022-11-02 21:10:03,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2984 Valid, 1906 Invalid, 3428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1568 Valid, 1860 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2022-11-02 21:10:03,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1259 states. [2022-11-02 21:10:03,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1259 to 1259. [2022-11-02 21:10:03,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1259 states, 824 states have (on average 1.2548543689320388) internal successors, (1034), 854 states have internal predecessors, (1034), 319 states have call successors, (319), 101 states have call predecessors, (319), 100 states have return successors, (317), 316 states have call predecessors, (317), 317 states have call successors, (317) [2022-11-02 21:10:03,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1259 states to 1259 states and 1670 transitions. [2022-11-02 21:10:03,392 INFO L78 Accepts]: Start accepts. Automaton has 1259 states and 1670 transitions. Word has length 93 [2022-11-02 21:10:03,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:10:03,393 INFO L495 AbstractCegarLoop]: Abstraction has 1259 states and 1670 transitions. [2022-11-02 21:10:03,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-02 21:10:03,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 1670 transitions. [2022-11-02 21:10:03,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-11-02 21:10:03,395 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:10:03,395 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:10:03,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-02 21:10:03,395 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-02 21:10:03,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:10:03,396 INFO L85 PathProgramCache]: Analyzing trace with hash 917690904, now seen corresponding path program 1 times [2022-11-02 21:10:03,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:10:03,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584509074] [2022-11-02 21:10:03,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:03,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:10:03,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:03,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:10:03,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:03,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 21:10:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:03,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-02 21:10:03,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:03,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 21:10:03,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:03,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:10:03,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:03,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:10:03,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:03,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 21:10:03,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:03,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-02 21:10:03,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:03,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-02 21:10:03,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:03,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-02 21:10:03,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:03,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-02 21:10:03,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:03,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:10:03,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:03,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-02 21:10:03,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:03,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-02 21:10:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:03,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-02 21:10:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:04,005 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-02 21:10:04,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:10:04,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584509074] [2022-11-02 21:10:04,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584509074] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:10:04,006 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:10:04,006 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:10:04,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921828345] [2022-11-02 21:10:04,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:10:04,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:10:04,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:10:04,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:10:04,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:10:04,008 INFO L87 Difference]: Start difference. First operand 1259 states and 1670 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-02 21:10:10,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:10:11,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:10:11,446 INFO L93 Difference]: Finished difference Result 1259 states and 1670 transitions. [2022-11-02 21:10:11,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 21:10:11,447 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 99 [2022-11-02 21:10:11,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:10:11,452 INFO L225 Difference]: With dead ends: 1259 [2022-11-02 21:10:11,452 INFO L226 Difference]: Without dead ends: 1257 [2022-11-02 21:10:11,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-02 21:10:11,453 INFO L413 NwaCegarLoop]: 1433 mSDtfsCounter, 2909 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 1857 mSolverCounterSat, 1568 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2979 SdHoareTripleChecker+Valid, 1904 SdHoareTripleChecker+Invalid, 3426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1568 IncrementalHoareTripleChecker+Valid, 1857 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2022-11-02 21:10:11,454 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2979 Valid, 1904 Invalid, 3426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1568 Valid, 1857 Invalid, 1 Unknown, 0 Unchecked, 7.2s Time] [2022-11-02 21:10:11,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1257 states. [2022-11-02 21:10:11,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1257 to 1257. [2022-11-02 21:10:11,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1257 states, 823 states have (on average 1.2539489671931956) internal successors, (1032), 852 states have internal predecessors, (1032), 319 states have call successors, (319), 101 states have call predecessors, (319), 100 states have return successors, (317), 316 states have call predecessors, (317), 317 states have call successors, (317) [2022-11-02 21:10:11,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1257 states to 1257 states and 1668 transitions. [2022-11-02 21:10:11,577 INFO L78 Accepts]: Start accepts. Automaton has 1257 states and 1668 transitions. Word has length 99 [2022-11-02 21:10:11,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:10:11,578 INFO L495 AbstractCegarLoop]: Abstraction has 1257 states and 1668 transitions. [2022-11-02 21:10:11,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 4 states have internal predecessors, (62), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-02 21:10:11,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1257 states and 1668 transitions. [2022-11-02 21:10:11,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-11-02 21:10:11,580 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:10:11,580 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:10:11,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-02 21:10:11,581 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-02 21:10:11,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:10:11,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1880750775, now seen corresponding path program 1 times [2022-11-02 21:10:11,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:10:11,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703764329] [2022-11-02 21:10:11,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:11,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:10:11,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:12,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:10:12,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:12,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 21:10:12,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:12,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-02 21:10:12,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:12,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 21:10:12,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:12,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:10:12,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:12,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:10:12,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:12,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 21:10:12,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:12,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-02 21:10:12,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:12,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-02 21:10:12,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:12,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-02 21:10:12,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:12,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-02 21:10:12,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:12,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:10:12,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:12,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-02 21:10:12,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:12,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-02 21:10:12,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:12,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-02 21:10:12,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:12,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-02 21:10:12,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:12,358 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-02 21:10:12,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:10:12,358 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703764329] [2022-11-02 21:10:12,359 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703764329] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:10:12,359 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:10:12,359 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:10:12,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748227917] [2022-11-02 21:10:12,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:10:12,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:10:12,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:10:12,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:10:12,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:10:12,362 INFO L87 Difference]: Start difference. First operand 1257 states and 1668 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-02 21:10:18,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:10:18,693 INFO L93 Difference]: Finished difference Result 1257 states and 1668 transitions. [2022-11-02 21:10:18,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 21:10:18,694 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 105 [2022-11-02 21:10:18,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:10:18,701 INFO L225 Difference]: With dead ends: 1257 [2022-11-02 21:10:18,701 INFO L226 Difference]: Without dead ends: 1255 [2022-11-02 21:10:18,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-02 21:10:18,703 INFO L413 NwaCegarLoop]: 1431 mSDtfsCounter, 2903 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 1856 mSolverCounterSat, 1568 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2972 SdHoareTripleChecker+Valid, 1902 SdHoareTripleChecker+Invalid, 3424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1568 IncrementalHoareTripleChecker+Valid, 1856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-11-02 21:10:18,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2972 Valid, 1902 Invalid, 3424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1568 Valid, 1856 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-11-02 21:10:18,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2022-11-02 21:10:18,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 1255. [2022-11-02 21:10:18,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1255 states, 822 states have (on average 1.2530413625304135) internal successors, (1030), 850 states have internal predecessors, (1030), 319 states have call successors, (319), 101 states have call predecessors, (319), 100 states have return successors, (317), 316 states have call predecessors, (317), 317 states have call successors, (317) [2022-11-02 21:10:18,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1255 states to 1255 states and 1666 transitions. [2022-11-02 21:10:18,864 INFO L78 Accepts]: Start accepts. Automaton has 1255 states and 1666 transitions. Word has length 105 [2022-11-02 21:10:18,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:10:18,865 INFO L495 AbstractCegarLoop]: Abstraction has 1255 states and 1666 transitions. [2022-11-02 21:10:18,865 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-02 21:10:18,865 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1666 transitions. [2022-11-02 21:10:18,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-11-02 21:10:18,868 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:10:18,868 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:10:18,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-02 21:10:18,869 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-02 21:10:18,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:10:18,869 INFO L85 PathProgramCache]: Analyzing trace with hash -457040558, now seen corresponding path program 1 times [2022-11-02 21:10:18,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:10:18,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525933180] [2022-11-02 21:10:18,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:18,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:10:18,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:19,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:10:19,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:19,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 21:10:19,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:19,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-02 21:10:19,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:19,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 21:10:19,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:19,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:10:19,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:19,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:10:19,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:19,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 21:10:19,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:19,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-02 21:10:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:19,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-02 21:10:19,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:19,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-02 21:10:19,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:19,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-02 21:10:19,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:19,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:10:19,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:19,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-02 21:10:19,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:19,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-02 21:10:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:19,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-02 21:10:19,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:19,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-02 21:10:19,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:19,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-02 21:10:19,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:19,525 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-02 21:10:19,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:10:19,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525933180] [2022-11-02 21:10:19,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1525933180] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:10:19,526 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:10:19,526 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:10:19,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844735951] [2022-11-02 21:10:19,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:10:19,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:10:19,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:10:19,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:10:19,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:10:19,528 INFO L87 Difference]: Start difference. First operand 1255 states and 1666 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-02 21:10:21,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:10:23,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:10:27,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:10:28,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:10:28,592 INFO L93 Difference]: Finished difference Result 1255 states and 1666 transitions. [2022-11-02 21:10:28,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 21:10:28,593 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 111 [2022-11-02 21:10:28,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:10:28,598 INFO L225 Difference]: With dead ends: 1255 [2022-11-02 21:10:28,598 INFO L226 Difference]: Without dead ends: 1253 [2022-11-02 21:10:28,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-02 21:10:28,599 INFO L413 NwaCegarLoop]: 1429 mSDtfsCounter, 2897 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 1852 mSolverCounterSat, 1568 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2965 SdHoareTripleChecker+Valid, 1900 SdHoareTripleChecker+Invalid, 3422 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1568 IncrementalHoareTripleChecker+Valid, 1852 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2022-11-02 21:10:28,599 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2965 Valid, 1900 Invalid, 3422 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1568 Valid, 1852 Invalid, 2 Unknown, 0 Unchecked, 8.8s Time] [2022-11-02 21:10:28,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1253 states. [2022-11-02 21:10:28,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1253 to 1253. [2022-11-02 21:10:28,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1253 states, 821 states have (on average 1.2521315468940317) internal successors, (1028), 848 states have internal predecessors, (1028), 319 states have call successors, (319), 101 states have call predecessors, (319), 100 states have return successors, (317), 316 states have call predecessors, (317), 317 states have call successors, (317) [2022-11-02 21:10:28,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 1253 states and 1664 transitions. [2022-11-02 21:10:28,733 INFO L78 Accepts]: Start accepts. Automaton has 1253 states and 1664 transitions. Word has length 111 [2022-11-02 21:10:28,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:10:28,734 INFO L495 AbstractCegarLoop]: Abstraction has 1253 states and 1664 transitions. [2022-11-02 21:10:28,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-02 21:10:28,734 INFO L276 IsEmpty]: Start isEmpty. Operand 1253 states and 1664 transitions. [2022-11-02 21:10:28,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-11-02 21:10:28,736 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:10:28,736 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:10:28,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-02 21:10:28,737 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-02 21:10:28,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:10:28,737 INFO L85 PathProgramCache]: Analyzing trace with hash -1385815975, now seen corresponding path program 1 times [2022-11-02 21:10:28,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:10:28,738 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780398185] [2022-11-02 21:10:28,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:28,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:10:28,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:29,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:10:29,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:29,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 21:10:29,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:29,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-02 21:10:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:29,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 21:10:29,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:29,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:10:29,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:29,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:10:29,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:29,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 21:10:29,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:29,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-02 21:10:29,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:29,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-02 21:10:29,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:29,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-02 21:10:29,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:29,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-02 21:10:29,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:29,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:10:29,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:29,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-02 21:10:29,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:29,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-02 21:10:29,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:29,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-02 21:10:29,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:29,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-02 21:10:29,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:29,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-02 21:10:29,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:29,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-02 21:10:29,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:29,442 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-02 21:10:29,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:10:29,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780398185] [2022-11-02 21:10:29,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780398185] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:10:29,443 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:10:29,443 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:10:29,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065498027] [2022-11-02 21:10:29,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:10:29,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:10:29,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:10:29,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:10:29,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:10:29,456 INFO L87 Difference]: Start difference. First operand 1253 states and 1664 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-02 21:10:31,561 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:10:33,793 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:10:37,729 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:10:38,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:10:38,967 INFO L93 Difference]: Finished difference Result 1253 states and 1664 transitions. [2022-11-02 21:10:38,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 21:10:38,968 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 117 [2022-11-02 21:10:38,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:10:38,974 INFO L225 Difference]: With dead ends: 1253 [2022-11-02 21:10:38,974 INFO L226 Difference]: Without dead ends: 1251 [2022-11-02 21:10:38,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-02 21:10:38,975 INFO L413 NwaCegarLoop]: 1427 mSDtfsCounter, 2891 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 1850 mSolverCounterSat, 1568 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2958 SdHoareTripleChecker+Valid, 1898 SdHoareTripleChecker+Invalid, 3420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1568 IncrementalHoareTripleChecker+Valid, 1850 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-11-02 21:10:38,976 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2958 Valid, 1898 Invalid, 3420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1568 Valid, 1850 Invalid, 2 Unknown, 0 Unchecked, 9.2s Time] [2022-11-02 21:10:38,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1251 states. [2022-11-02 21:10:39,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1251 to 1251. [2022-11-02 21:10:39,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1251 states, 820 states have (on average 1.251219512195122) internal successors, (1026), 846 states have internal predecessors, (1026), 319 states have call successors, (319), 101 states have call predecessors, (319), 100 states have return successors, (317), 316 states have call predecessors, (317), 317 states have call successors, (317) [2022-11-02 21:10:39,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1251 states to 1251 states and 1662 transitions. [2022-11-02 21:10:39,132 INFO L78 Accepts]: Start accepts. Automaton has 1251 states and 1662 transitions. Word has length 117 [2022-11-02 21:10:39,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:10:39,133 INFO L495 AbstractCegarLoop]: Abstraction has 1251 states and 1662 transitions. [2022-11-02 21:10:39,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-02 21:10:39,133 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 1662 transitions. [2022-11-02 21:10:39,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-11-02 21:10:39,135 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:10:39,135 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:10:39,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-02 21:10:39,135 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-02 21:10:39,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:10:39,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1526539558, now seen corresponding path program 1 times [2022-11-02 21:10:39,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:10:39,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461444716] [2022-11-02 21:10:39,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:39,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:10:39,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:39,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:10:39,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:39,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 21:10:39,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:39,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-02 21:10:39,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:39,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 21:10:39,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:39,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:10:39,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:39,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:10:39,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:39,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 21:10:39,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:39,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-02 21:10:39,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:39,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-02 21:10:39,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:39,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-02 21:10:39,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:39,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-02 21:10:39,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:39,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:10:39,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:39,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-02 21:10:39,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:39,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-02 21:10:39,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:39,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-02 21:10:39,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:39,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-02 21:10:39,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:39,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-02 21:10:39,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:39,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-02 21:10:39,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:39,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 21:10:39,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:39,814 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-02 21:10:39,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:10:39,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461444716] [2022-11-02 21:10:39,814 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461444716] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:10:39,814 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:10:39,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:10:39,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1645916989] [2022-11-02 21:10:39,815 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:10:39,816 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:10:39,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:10:39,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:10:39,817 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:10:39,817 INFO L87 Difference]: Start difference. First operand 1251 states and 1662 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-02 21:10:42,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:10:44,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:10:47,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:10:49,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:10:49,148 INFO L93 Difference]: Finished difference Result 1251 states and 1662 transitions. [2022-11-02 21:10:49,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 21:10:49,149 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 123 [2022-11-02 21:10:49,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:10:49,155 INFO L225 Difference]: With dead ends: 1251 [2022-11-02 21:10:49,155 INFO L226 Difference]: Without dead ends: 1249 [2022-11-02 21:10:49,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-02 21:10:49,157 INFO L413 NwaCegarLoop]: 1425 mSDtfsCounter, 2885 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 1848 mSolverCounterSat, 1568 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2951 SdHoareTripleChecker+Valid, 1896 SdHoareTripleChecker+Invalid, 3418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1568 IncrementalHoareTripleChecker+Valid, 1848 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.0s IncrementalHoareTripleChecker+Time [2022-11-02 21:10:49,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2951 Valid, 1896 Invalid, 3418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1568 Valid, 1848 Invalid, 2 Unknown, 0 Unchecked, 9.0s Time] [2022-11-02 21:10:49,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1249 states. [2022-11-02 21:10:49,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1249 to 1249. [2022-11-02 21:10:49,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1249 states, 819 states have (on average 1.2503052503052503) internal successors, (1024), 844 states have internal predecessors, (1024), 319 states have call successors, (319), 101 states have call predecessors, (319), 100 states have return successors, (317), 316 states have call predecessors, (317), 317 states have call successors, (317) [2022-11-02 21:10:49,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1249 states to 1249 states and 1660 transitions. [2022-11-02 21:10:49,267 INFO L78 Accepts]: Start accepts. Automaton has 1249 states and 1660 transitions. Word has length 123 [2022-11-02 21:10:49,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:10:49,268 INFO L495 AbstractCegarLoop]: Abstraction has 1249 states and 1660 transitions. [2022-11-02 21:10:49,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-02 21:10:49,268 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 1660 transitions. [2022-11-02 21:10:49,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-02 21:10:49,270 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:10:49,270 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:10:49,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-02 21:10:49,271 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-02 21:10:49,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:10:49,271 INFO L85 PathProgramCache]: Analyzing trace with hash -2057442166, now seen corresponding path program 1 times [2022-11-02 21:10:49,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:10:49,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350205266] [2022-11-02 21:10:49,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:49,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:10:49,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:49,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:10:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:49,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 21:10:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:49,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-02 21:10:49,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:49,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 21:10:49,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:49,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:10:49,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:49,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:10:49,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:49,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 21:10:49,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:49,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-02 21:10:49,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:49,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-02 21:10:49,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:49,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-02 21:10:49,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:49,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-02 21:10:49,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:49,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:10:49,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:49,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-02 21:10:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:49,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-02 21:10:49,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:49,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-02 21:10:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:49,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-02 21:10:49,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:49,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-02 21:10:50,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:50,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-02 21:10:50,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:50,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 21:10:50,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:50,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-02 21:10:50,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:50,037 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-02 21:10:50,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:10:50,038 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350205266] [2022-11-02 21:10:50,038 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350205266] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:10:50,038 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:10:50,038 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:10:50,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891287411] [2022-11-02 21:10:50,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:10:50,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:10:50,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:10:50,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:10:50,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:10:50,040 INFO L87 Difference]: Start difference. First operand 1249 states and 1660 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-02 21:10:52,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:10:56,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:10:58,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:10:58,085 INFO L93 Difference]: Finished difference Result 1249 states and 1660 transitions. [2022-11-02 21:10:58,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 21:10:58,086 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 129 [2022-11-02 21:10:58,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:10:58,091 INFO L225 Difference]: With dead ends: 1249 [2022-11-02 21:10:58,091 INFO L226 Difference]: Without dead ends: 1247 [2022-11-02 21:10:58,092 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-02 21:10:58,092 INFO L413 NwaCegarLoop]: 1423 mSDtfsCounter, 2879 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 1847 mSolverCounterSat, 1568 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2944 SdHoareTripleChecker+Valid, 1894 SdHoareTripleChecker+Invalid, 3416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1568 IncrementalHoareTripleChecker+Valid, 1847 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.7s IncrementalHoareTripleChecker+Time [2022-11-02 21:10:58,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2944 Valid, 1894 Invalid, 3416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1568 Valid, 1847 Invalid, 1 Unknown, 0 Unchecked, 7.7s Time] [2022-11-02 21:10:58,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1247 states. [2022-11-02 21:10:58,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1247 to 1247. [2022-11-02 21:10:58,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1247 states, 818 states have (on average 1.2493887530562346) internal successors, (1022), 842 states have internal predecessors, (1022), 319 states have call successors, (319), 101 states have call predecessors, (319), 100 states have return successors, (317), 316 states have call predecessors, (317), 317 states have call successors, (317) [2022-11-02 21:10:58,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 1658 transitions. [2022-11-02 21:10:58,223 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 1658 transitions. Word has length 129 [2022-11-02 21:10:58,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:10:58,224 INFO L495 AbstractCegarLoop]: Abstraction has 1247 states and 1658 transitions. [2022-11-02 21:10:58,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-02 21:10:58,225 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1658 transitions. [2022-11-02 21:10:58,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-11-02 21:10:58,227 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:10:58,227 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:10:58,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-02 21:10:58,228 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-02 21:10:58,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:10:58,228 INFO L85 PathProgramCache]: Analyzing trace with hash 930017606, now seen corresponding path program 1 times [2022-11-02 21:10:58,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:10:58,229 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899108377] [2022-11-02 21:10:58,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:10:58,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:10:58,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:59,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:10:59,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:59,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 21:10:59,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:59,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-02 21:10:59,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:59,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 21:10:59,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:59,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:10:59,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:59,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:10:59,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:59,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 21:10:59,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:59,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-02 21:10:59,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:59,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-02 21:10:59,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:59,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-02 21:10:59,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:59,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-02 21:10:59,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:59,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:10:59,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:59,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-02 21:10:59,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:59,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-02 21:10:59,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:59,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-02 21:10:59,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:59,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-02 21:10:59,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:59,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-02 21:10:59,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:59,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-02 21:10:59,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:59,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 21:10:59,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:59,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-02 21:10:59,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:59,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-02 21:10:59,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:10:59,292 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-02 21:10:59,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:10:59,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899108377] [2022-11-02 21:10:59,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899108377] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:10:59,295 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:10:59,295 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:10:59,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512448613] [2022-11-02 21:10:59,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:10:59,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:10:59,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:10:59,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:10:59,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:10:59,297 INFO L87 Difference]: Start difference. First operand 1247 states and 1658 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-02 21:11:01,136 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:11:05,998 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:11:07,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:11:07,269 INFO L93 Difference]: Finished difference Result 1247 states and 1658 transitions. [2022-11-02 21:11:07,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 21:11:07,270 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 135 [2022-11-02 21:11:07,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:11:07,273 INFO L225 Difference]: With dead ends: 1247 [2022-11-02 21:11:07,273 INFO L226 Difference]: Without dead ends: 1245 [2022-11-02 21:11:07,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-02 21:11:07,274 INFO L413 NwaCegarLoop]: 1421 mSDtfsCounter, 2873 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 1845 mSolverCounterSat, 1568 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2937 SdHoareTripleChecker+Valid, 1892 SdHoareTripleChecker+Invalid, 3414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1568 IncrementalHoareTripleChecker+Valid, 1845 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2022-11-02 21:11:07,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2937 Valid, 1892 Invalid, 3414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1568 Valid, 1845 Invalid, 1 Unknown, 0 Unchecked, 7.6s Time] [2022-11-02 21:11:07,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1245 states. [2022-11-02 21:11:07,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1245 to 1245. [2022-11-02 21:11:07,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1245 states, 817 states have (on average 1.2484700122399022) internal successors, (1020), 840 states have internal predecessors, (1020), 319 states have call successors, (319), 101 states have call predecessors, (319), 100 states have return successors, (317), 316 states have call predecessors, (317), 317 states have call successors, (317) [2022-11-02 21:11:07,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1245 states to 1245 states and 1656 transitions. [2022-11-02 21:11:07,378 INFO L78 Accepts]: Start accepts. Automaton has 1245 states and 1656 transitions. Word has length 135 [2022-11-02 21:11:07,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:11:07,379 INFO L495 AbstractCegarLoop]: Abstraction has 1245 states and 1656 transitions. [2022-11-02 21:11:07,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-02 21:11:07,379 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 1656 transitions. [2022-11-02 21:11:07,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-11-02 21:11:07,380 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:11:07,380 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 21:11:07,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-02 21:11:07,381 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 23 more)] === [2022-11-02 21:11:07,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:07,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1715505432, now seen corresponding path program 1 times [2022-11-02 21:11:07,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:11:07,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310519683] [2022-11-02 21:11:07,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:11:07,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:11:07,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:07,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:11:07,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:07,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 21:11:07,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:07,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-02 21:11:07,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:07,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 21:11:07,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:07,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:11:07,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:07,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:07,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:07,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 21:11:07,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:07,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2022-11-02 21:11:07,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:07,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-11-02 21:11:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:07,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2022-11-02 21:11:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:07,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2022-11-02 21:11:07,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:07,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2022-11-02 21:11:07,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:07,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-11-02 21:11:07,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:07,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2022-11-02 21:11:07,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:07,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2022-11-02 21:11:07,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:07,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-11-02 21:11:07,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:07,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-11-02 21:11:07,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:07,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2022-11-02 21:11:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:07,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 21:11:07,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:07,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-11-02 21:11:07,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:07,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-11-02 21:11:07,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:08,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-11-02 21:11:08,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:08,009 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-02 21:11:08,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:11:08,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310519683] [2022-11-02 21:11:08,010 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310519683] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:11:08,010 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:11:08,010 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 21:11:08,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749958031] [2022-11-02 21:11:08,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:11:08,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 21:11:08,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:11:08,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 21:11:08,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 21:11:08,012 INFO L87 Difference]: Start difference. First operand 1245 states and 1656 transitions. Second operand has 6 states, 6 states have (on average 15.0) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-02 21:11:13,330 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:11:14,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 21:11:14,517 INFO L93 Difference]: Finished difference Result 1245 states and 1656 transitions. [2022-11-02 21:11:14,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-02 21:11:14,518 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 141 [2022-11-02 21:11:14,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 21:11:14,525 INFO L225 Difference]: With dead ends: 1245 [2022-11-02 21:11:14,525 INFO L226 Difference]: Without dead ends: 1243 [2022-11-02 21:11:14,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-02 21:11:14,527 INFO L413 NwaCegarLoop]: 1419 mSDtfsCounter, 2867 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 1844 mSolverCounterSat, 1568 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2930 SdHoareTripleChecker+Valid, 1890 SdHoareTripleChecker+Invalid, 3412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1568 IncrementalHoareTripleChecker+Valid, 1844 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2022-11-02 21:11:14,527 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2930 Valid, 1890 Invalid, 3412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1568 Valid, 1844 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2022-11-02 21:11:14,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1243 states. [2022-11-02 21:11:14,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1243 to 1243. [2022-11-02 21:11:14,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1243 states, 816 states have (on average 1.2475490196078431) internal successors, (1018), 838 states have internal predecessors, (1018), 319 states have call successors, (319), 101 states have call predecessors, (319), 100 states have return successors, (317), 316 states have call predecessors, (317), 317 states have call successors, (317) [2022-11-02 21:11:14,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 1243 states and 1654 transitions. [2022-11-02 21:11:14,670 INFO L78 Accepts]: Start accepts. Automaton has 1243 states and 1654 transitions. Word has length 141 [2022-11-02 21:11:14,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 21:11:14,671 INFO L495 AbstractCegarLoop]: Abstraction has 1243 states and 1654 transitions. [2022-11-02 21:11:14,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-02 21:11:14,672 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states and 1654 transitions. [2022-11-02 21:11:14,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2022-11-02 21:11:14,674 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 21:11:14,674 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 4, 4, 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] [2022-11-02 21:11:14,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-02 21:11:14,675 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_assert_linux_kernel_locking_mutex__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 23 more)] === [2022-11-02 21:11:14,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 21:11:14,675 INFO L85 PathProgramCache]: Analyzing trace with hash 1990209061, now seen corresponding path program 1 times [2022-11-02 21:11:14,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 21:11:14,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208692229] [2022-11-02 21:11:14,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 21:11:14,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 21:11:14,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:15,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-02 21:11:15,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:15,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 21:11:15,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:15,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-02 21:11:15,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:15,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-02 21:11:15,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:15,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:11:15,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:15,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-11-02 21:11:15,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:15,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2022-11-02 21:11:15,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:15,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-11-02 21:11:15,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:15,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-11-02 21:11:15,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:15,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:11:15,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:15,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 21:11:15,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:15,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 21:11:15,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:15,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-11-02 21:11:15,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:15,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:11:15,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:15,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 21:11:15,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:15,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 21:11:15,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:15,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-11-02 21:11:15,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:15,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:11:15,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:15,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-11-02 21:11:15,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:15,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-02 21:11:15,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:15,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2022-11-02 21:11:15,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:15,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-11-02 21:11:15,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:15,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-11-02 21:11:15,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:16,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2022-11-02 21:11:16,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:16,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-11-02 21:11:16,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:16,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-11-02 21:11:16,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:16,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-11-02 21:11:16,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 21:11:16,303 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2022-11-02 21:11:16,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 21:11:16,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208692229] [2022-11-02 21:11:16,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208692229] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 21:11:16,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 21:11:16,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-11-02 21:11:16,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057246524] [2022-11-02 21:11:16,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 21:11:16,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-02 21:11:16,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 21:11:16,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-02 21:11:16,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-11-02 21:11:16,307 INFO L87 Difference]: Start difference. First operand 1243 states and 1654 transitions. Second operand has 12 states, 11 states have (on average 6.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (26), 6 states have call predecessors, (26), 3 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-02 21:11:22,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:11:23,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:11:25,435 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:11:27,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:11:28,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:11:29,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:11:31,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:11:33,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:11:35,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:11:37,103 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:11:39,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:11:40,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:11:41,715 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:11:42,939 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:11:51,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:11:53,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:11:55,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:11:57,904 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:11:59,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-02 21:12:01,961 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []