./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 44a365b0a9ab0c087a7fd95686a95a7a3d5f7a279cab683ec4e216584d2b370f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 06:58:30,734 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:58:30,737 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:58:30,779 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:58:30,779 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:58:30,781 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:58:30,782 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:58:30,784 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:58:30,786 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:58:30,787 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:58:30,788 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:58:30,789 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:58:30,789 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:58:30,790 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:58:30,792 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:58:30,793 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:58:30,794 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:58:30,795 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:58:30,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:58:30,798 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:58:30,800 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:58:30,802 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:58:30,803 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:58:30,804 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:58:30,808 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:58:30,808 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:58:30,809 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:58:30,810 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:58:30,810 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:58:30,811 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:58:30,812 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:58:30,813 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:58:30,814 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:58:30,815 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:58:30,816 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:58:30,816 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:58:30,817 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:58:30,817 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:58:30,817 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:58:30,818 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:58:30,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:58:30,820 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 06:58:30,843 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:58:30,844 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:58:30,844 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:58:30,844 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:58:30,845 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:58:30,845 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:58:30,845 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:58:30,846 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:58:30,846 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:58:30,846 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 06:58:30,846 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:58:30,846 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:58:30,846 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 06:58:30,847 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 06:58:30,847 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:58:30,847 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 06:58:30,847 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 06:58:30,848 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 06:58:30,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:58:30,848 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:58:30,848 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:58:30,849 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:58:30,849 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:58:30,849 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:58:30,849 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:58:30,849 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:58:30,849 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:58:30,850 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:58:30,850 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:58:30,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:58:30,850 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:58:30,851 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 06:58:30,851 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:58:30,851 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:58:30,851 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 06:58:30,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 06:58:30,852 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:58:30,852 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:58:30,852 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_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44a365b0a9ab0c087a7fd95686a95a7a3d5f7a279cab683ec4e216584d2b370f [2022-11-19 06:58:31,149 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:58:31,171 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:58:31,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:58:31,175 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:58:31,175 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:58:31,177 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i [2022-11-19 06:58:31,245 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/bin/utaipan-I9t0OCRTmS/data/30a02239f/34a4b07d54804fcb994854c2f8fa0bdd/FLAG717fa825a [2022-11-19 06:58:32,481 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:58:32,481 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i [2022-11-19 06:58:32,580 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/bin/utaipan-I9t0OCRTmS/data/30a02239f/34a4b07d54804fcb994854c2f8fa0bdd/FLAG717fa825a [2022-11-19 06:58:32,604 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/bin/utaipan-I9t0OCRTmS/data/30a02239f/34a4b07d54804fcb994854c2f8fa0bdd [2022-11-19 06:58:32,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:58:32,611 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:58:32,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:58:32,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:58:32,617 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:58:32,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:58:32" (1/1) ... [2022-11-19 06:58:32,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b8f8fbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:32, skipping insertion in model container [2022-11-19 06:58:32,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:58:32" (1/1) ... [2022-11-19 06:58:32,632 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:58:32,898 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:58:42,438 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[773190,773203] [2022-11-19 06:58:42,441 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[773335,773348] [2022-11-19 06:58:42,442 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[773481,773494] [2022-11-19 06:58:42,442 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[773646,773659] [2022-11-19 06:58:42,442 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[773804,773817] [2022-11-19 06:58:42,443 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[773962,773975] [2022-11-19 06:58:42,443 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[774120,774133] [2022-11-19 06:58:42,444 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[774280,774293] [2022-11-19 06:58:42,444 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[774439,774452] [2022-11-19 06:58:42,445 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[774578,774591] [2022-11-19 06:58:42,445 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[774720,774733] [2022-11-19 06:58:42,445 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[774869,774882] [2022-11-19 06:58:42,446 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[775008,775021] [2022-11-19 06:58:42,446 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[775163,775176] [2022-11-19 06:58:42,447 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[775323,775336] [2022-11-19 06:58:42,447 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[775474,775487] [2022-11-19 06:58:42,447 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[775625,775638] [2022-11-19 06:58:42,448 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[775777,775790] [2022-11-19 06:58:42,448 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[775926,775939] [2022-11-19 06:58:42,449 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[776074,776087] [2022-11-19 06:58:42,449 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[776231,776244] [2022-11-19 06:58:42,450 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[776380,776393] [2022-11-19 06:58:42,450 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[776536,776549] [2022-11-19 06:58:42,450 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[776689,776702] [2022-11-19 06:58:42,451 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[776835,776848] [2022-11-19 06:58:42,451 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[776978,776991] [2022-11-19 06:58:42,452 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[777130,777143] [2022-11-19 06:58:42,452 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[777276,777289] [2022-11-19 06:58:42,453 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[777421,777434] [2022-11-19 06:58:42,453 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[777575,777588] [2022-11-19 06:58:42,454 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[777726,777739] [2022-11-19 06:58:42,454 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[777881,777894] [2022-11-19 06:58:42,454 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[778033,778046] [2022-11-19 06:58:42,455 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[778188,778201] [2022-11-19 06:58:42,455 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[778352,778365] [2022-11-19 06:58:42,456 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[778508,778521] [2022-11-19 06:58:42,456 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[778672,778685] [2022-11-19 06:58:42,456 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[778814,778827] [2022-11-19 06:58:42,457 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[778972,778985] [2022-11-19 06:58:42,457 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[779139,779152] [2022-11-19 06:58:42,458 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[779298,779311] [2022-11-19 06:58:42,458 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[779457,779470] [2022-11-19 06:58:42,459 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[779606,779619] [2022-11-19 06:58:42,459 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[779753,779766] [2022-11-19 06:58:42,459 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[779892,779905] [2022-11-19 06:58:42,460 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[780055,780068] [2022-11-19 06:58:42,460 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[780221,780234] [2022-11-19 06:58:42,461 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[780385,780398] [2022-11-19 06:58:42,461 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[780550,780563] [2022-11-19 06:58:42,462 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[780715,780728] [2022-11-19 06:58:42,462 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[780881,780894] [2022-11-19 06:58:42,462 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[781046,781059] [2022-11-19 06:58:42,463 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[781213,781226] [2022-11-19 06:58:42,463 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[781373,781386] [2022-11-19 06:58:42,464 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[781535,781548] [2022-11-19 06:58:42,464 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[781694,781707] [2022-11-19 06:58:42,464 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[781840,781853] [2022-11-19 06:58:42,465 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[781983,781996] [2022-11-19 06:58:42,465 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[782127,782140] [2022-11-19 06:58:42,466 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[782270,782283] [2022-11-19 06:58:42,466 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[782414,782427] [2022-11-19 06:58:42,467 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[782555,782568] [2022-11-19 06:58:42,467 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[782693,782706] [2022-11-19 06:58:42,468 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[782851,782864] [2022-11-19 06:58:42,468 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[783010,783023] [2022-11-19 06:58:42,468 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[783166,783179] [2022-11-19 06:58:42,469 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[783315,783328] [2022-11-19 06:58:42,469 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[783467,783480] [2022-11-19 06:58:42,470 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[783618,783631] [2022-11-19 06:58:42,470 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[783767,783780] [2022-11-19 06:58:42,470 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[783919,783932] [2022-11-19 06:58:42,471 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[784067,784080] [2022-11-19 06:58:42,471 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[784220,784233] [2022-11-19 06:58:42,472 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[784371,784384] [2022-11-19 06:58:42,472 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[784521,784534] [2022-11-19 06:58:42,472 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[784668,784681] [2022-11-19 06:58:42,473 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[784819,784832] [2022-11-19 06:58:42,473 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[784970,784983] [2022-11-19 06:58:42,474 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[785118,785131] [2022-11-19 06:58:42,474 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[785284,785297] [2022-11-19 06:58:42,475 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[785453,785466] [2022-11-19 06:58:42,475 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[785620,785633] [2022-11-19 06:58:42,476 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[785788,785801] [2022-11-19 06:58:42,476 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[785938,785951] [2022-11-19 06:58:42,477 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[786085,786098] [2022-11-19 06:58:42,477 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[786246,786259] [2022-11-19 06:58:42,477 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[786416,786429] [2022-11-19 06:58:42,478 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[786578,786591] [2022-11-19 06:58:42,511 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:58:42,547 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:58:43,404 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[773190,773203] [2022-11-19 06:58:43,409 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[773335,773348] [2022-11-19 06:58:43,410 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[773481,773494] [2022-11-19 06:58:43,410 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[773646,773659] [2022-11-19 06:58:43,411 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[773804,773817] [2022-11-19 06:58:43,411 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[773962,773975] [2022-11-19 06:58:43,411 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[774120,774133] [2022-11-19 06:58:43,412 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[774280,774293] [2022-11-19 06:58:43,412 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[774439,774452] [2022-11-19 06:58:43,413 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[774578,774591] [2022-11-19 06:58:43,414 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[774720,774733] [2022-11-19 06:58:43,414 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[774869,774882] [2022-11-19 06:58:43,415 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[775008,775021] [2022-11-19 06:58:43,415 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[775163,775176] [2022-11-19 06:58:43,416 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[775323,775336] [2022-11-19 06:58:43,416 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[775474,775487] [2022-11-19 06:58:43,417 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[775625,775638] [2022-11-19 06:58:43,417 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[775777,775790] [2022-11-19 06:58:43,417 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[775926,775939] [2022-11-19 06:58:43,418 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[776074,776087] [2022-11-19 06:58:43,418 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[776231,776244] [2022-11-19 06:58:43,419 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[776380,776393] [2022-11-19 06:58:43,419 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[776536,776549] [2022-11-19 06:58:43,420 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[776689,776702] [2022-11-19 06:58:43,421 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[776835,776848] [2022-11-19 06:58:43,421 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[776978,776991] [2022-11-19 06:58:43,422 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[777130,777143] [2022-11-19 06:58:43,422 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[777276,777289] [2022-11-19 06:58:43,423 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[777421,777434] [2022-11-19 06:58:43,425 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[777575,777588] [2022-11-19 06:58:43,425 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[777726,777739] [2022-11-19 06:58:43,427 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[777881,777894] [2022-11-19 06:58:43,427 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[778033,778046] [2022-11-19 06:58:43,429 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[778188,778201] [2022-11-19 06:58:43,429 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[778352,778365] [2022-11-19 06:58:43,430 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[778508,778521] [2022-11-19 06:58:43,430 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[778672,778685] [2022-11-19 06:58:43,431 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[778814,778827] [2022-11-19 06:58:43,432 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[778972,778985] [2022-11-19 06:58:43,432 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[779139,779152] [2022-11-19 06:58:43,433 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[779298,779311] [2022-11-19 06:58:43,434 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[779457,779470] [2022-11-19 06:58:43,434 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[779606,779619] [2022-11-19 06:58:43,435 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[779753,779766] [2022-11-19 06:58:43,436 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[779892,779905] [2022-11-19 06:58:43,436 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[780055,780068] [2022-11-19 06:58:43,436 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[780221,780234] [2022-11-19 06:58:43,437 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[780385,780398] [2022-11-19 06:58:43,438 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[780550,780563] [2022-11-19 06:58:43,438 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[780715,780728] [2022-11-19 06:58:43,438 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[780881,780894] [2022-11-19 06:58:43,439 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[781046,781059] [2022-11-19 06:58:43,439 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[781213,781226] [2022-11-19 06:58:43,440 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[781373,781386] [2022-11-19 06:58:43,441 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[781535,781548] [2022-11-19 06:58:43,442 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[781694,781707] [2022-11-19 06:58:43,447 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[781840,781853] [2022-11-19 06:58:43,447 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[781983,781996] [2022-11-19 06:58:43,448 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[782127,782140] [2022-11-19 06:58:43,448 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[782270,782283] [2022-11-19 06:58:43,449 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[782414,782427] [2022-11-19 06:58:43,449 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[782555,782568] [2022-11-19 06:58:43,449 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[782693,782706] [2022-11-19 06:58:43,450 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[782851,782864] [2022-11-19 06:58:43,450 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[783010,783023] [2022-11-19 06:58:43,451 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[783166,783179] [2022-11-19 06:58:43,451 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[783315,783328] [2022-11-19 06:58:43,451 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[783467,783480] [2022-11-19 06:58:43,452 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[783618,783631] [2022-11-19 06:58:43,452 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[783767,783780] [2022-11-19 06:58:43,453 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[783919,783932] [2022-11-19 06:58:43,453 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[784067,784080] [2022-11-19 06:58:43,453 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[784220,784233] [2022-11-19 06:58:43,454 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[784371,784384] [2022-11-19 06:58:43,454 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[784521,784534] [2022-11-19 06:58:43,454 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[784668,784681] [2022-11-19 06:58:43,455 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[784819,784832] [2022-11-19 06:58:43,455 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[784970,784983] [2022-11-19 06:58:43,456 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[785118,785131] [2022-11-19 06:58:43,456 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[785284,785297] [2022-11-19 06:58:43,456 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[785453,785466] [2022-11-19 06:58:43,457 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[785620,785633] [2022-11-19 06:58:43,457 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[785788,785801] [2022-11-19 06:58:43,458 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[785938,785951] [2022-11-19 06:58:43,458 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[786085,786098] [2022-11-19 06:58:43,458 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[786246,786259] [2022-11-19 06:58:43,459 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[786416,786429] [2022-11-19 06:58:43,459 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--md--raid456.ko.cil.i[786578,786591] [2022-11-19 06:58:43,468 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:58:43,842 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:58:43,843 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:43 WrapperNode [2022-11-19 06:58:43,843 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:58:43,844 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:58:43,844 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:58:43,844 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:58:43,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:43" (1/1) ... [2022-11-19 06:58:44,042 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:43" (1/1) ... [2022-11-19 06:58:44,409 INFO L138 Inliner]: procedures = 931, calls = 7443, calls flagged for inlining = 417, calls inlined = 280, statements flattened = 11343 [2022-11-19 06:58:44,409 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:58:44,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:58:44,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:58:44,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:58:44,420 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:43" (1/1) ... [2022-11-19 06:58:44,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:43" (1/1) ... [2022-11-19 06:58:44,480 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:43" (1/1) ... [2022-11-19 06:58:44,480 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:43" (1/1) ... [2022-11-19 06:58:44,824 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:43" (1/1) ... [2022-11-19 06:58:44,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:43" (1/1) ... [2022-11-19 06:58:44,924 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:43" (1/1) ... [2022-11-19 06:58:44,958 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:43" (1/1) ... [2022-11-19 06:58:45,027 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:58:45,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:58:45,029 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:58:45,029 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:58:45,031 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:43" (1/1) ... [2022-11-19 06:58:45,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:58:45,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:58:45,060 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:58:45,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:58:45,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2022-11-19 06:58:45,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2022-11-19 06:58:45,105 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_thread_groups [2022-11-19 06:58:45,105 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_thread_groups [2022-11-19 06:58:45,105 INFO L130 BoogieDeclarations]: Found specification of procedure bio_endio [2022-11-19 06:58:45,105 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_endio [2022-11-19 06:58:45,106 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_create [2022-11-19 06:58:45,106 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_create [2022-11-19 06:58:45,106 INFO L130 BoogieDeclarations]: Found specification of procedure sync_request [2022-11-19 06:58:45,106 INFO L138 BoogieDeclarations]: Found implementation of procedure sync_request [2022-11-19 06:58:45,108 INFO L130 BoogieDeclarations]: Found specification of procedure get_active_stripe [2022-11-19 06:58:45,108 INFO L138 BoogieDeclarations]: Found implementation of procedure get_active_stripe [2022-11-19 06:58:45,108 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2022-11-19 06:58:45,108 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2022-11-19 06:58:45,108 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_remove_disk [2022-11-19 06:58:45,108 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_remove_disk [2022-11-19 06:58:45,108 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-19 06:58:45,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-19 06:58:45,109 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-19 06:58:45,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-19 06:58:45,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-19 06:58:45,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-19 06:58:45,109 INFO L130 BoogieDeclarations]: Found specification of procedure bdevname [2022-11-19 06:58:45,109 INFO L138 BoogieDeclarations]: Found implementation of procedure bdevname [2022-11-19 06:58:45,109 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2022-11-19 06:58:45,109 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2022-11-19 06:58:45,110 INFO L130 BoogieDeclarations]: Found specification of procedure __clear_bit [2022-11-19 06:58:45,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __clear_bit [2022-11-19 06:58:45,110 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2022-11-19 06:58:45,110 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2022-11-19 06:58:45,110 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_sub [2022-11-19 06:58:45,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_sub [2022-11-19 06:58:45,110 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2022-11-19 06:58:45,110 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2022-11-19 06:58:45,110 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-19 06:58:45,111 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-19 06:58:45,111 INFO L130 BoogieDeclarations]: Found specification of procedure read_seqcount_begin [2022-11-19 06:58:45,111 INFO L138 BoogieDeclarations]: Found implementation of procedure read_seqcount_begin [2022-11-19 06:58:45,111 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_102 [2022-11-19 06:58:45,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_102 [2022-11-19 06:58:45,111 INFO L130 BoogieDeclarations]: Found specification of procedure __cpu_to_node [2022-11-19 06:58:45,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __cpu_to_node [2022-11-19 06:58:45,111 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-19 06:58:45,112 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-19 06:58:45,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-19 06:58:45,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-19 06:58:45,112 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-19 06:58:45,112 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-19 06:58:45,113 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_md_personality [2022-11-19 06:58:45,113 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_md_personality [2022-11-19 06:58:45,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-19 06:58:45,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-19 06:58:45,113 INFO L130 BoogieDeclarations]: Found specification of procedure lock_device_hash_lock [2022-11-19 06:58:45,113 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_device_hash_lock [2022-11-19 06:58:45,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-19 06:58:45,113 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-19 06:58:45,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 06:58:45,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-19 06:58:45,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-19 06:58:45,114 INFO L130 BoogieDeclarations]: Found specification of procedure stripe_operations_active [2022-11-19 06:58:45,114 INFO L138 BoogieDeclarations]: Found implementation of procedure stripe_operations_active [2022-11-19 06:58:45,114 INFO L130 BoogieDeclarations]: Found specification of procedure free_scratch_buffer [2022-11-19 06:58:45,114 INFO L138 BoogieDeclarations]: Found implementation of procedure free_scratch_buffer [2022-11-19 06:58:45,115 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_122 [2022-11-19 06:58:45,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_122 [2022-11-19 06:58:45,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-19 06:58:45,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-19 06:58:45,117 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-11-19 06:58:45,118 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-11-19 06:58:45,118 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_congested [2022-11-19 06:58:45,118 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_congested [2022-11-19 06:58:45,119 INFO L130 BoogieDeclarations]: Found specification of procedure put_online_cpus [2022-11-19 06:58:45,119 INFO L138 BoogieDeclarations]: Found implementation of procedure put_online_cpus [2022-11-19 06:58:45,119 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_137 [2022-11-19 06:58:45,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_137 [2022-11-19 06:58:45,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-19 06:58:45,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-19 06:58:45,124 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock [2022-11-19 06:58:45,124 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock [2022-11-19 06:58:45,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 06:58:45,124 INFO L130 BoogieDeclarations]: Found specification of procedure revalidate_disk [2022-11-19 06:58:45,124 INFO L138 BoogieDeclarations]: Found implementation of procedure revalidate_disk [2022-11-19 06:58:45,124 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-11-19 06:58:45,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-11-19 06:58:45,125 INFO L130 BoogieDeclarations]: Found specification of procedure stripe_set_idx [2022-11-19 06:58:45,125 INFO L138 BoogieDeclarations]: Found implementation of procedure stripe_set_idx [2022-11-19 06:58:45,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 06:58:45,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-19 06:58:45,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-19 06:58:45,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 06:58:45,125 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-19 06:58:45,125 INFO L130 BoogieDeclarations]: Found specification of procedure compute_blocknr [2022-11-19 06:58:45,126 INFO L138 BoogieDeclarations]: Found implementation of procedure compute_blocknr [2022-11-19 06:58:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2022-11-19 06:58:45,126 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2022-11-19 06:58:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_device_lock_of_r5conf [2022-11-19 06:58:45,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_device_lock_of_r5conf [2022-11-19 06:58:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_wakeup_stripe_thread [2022-11-19 06:58:45,126 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_wakeup_stripe_thread [2022-11-19 06:58:45,126 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_notrace [2022-11-19 06:58:45,126 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_notrace [2022-11-19 06:58:45,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_md_register_thread [2022-11-19 06:58:45,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_md_register_thread [2022-11-19 06:58:45,127 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_zalloc [2022-11-19 06:58:45,127 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_zalloc [2022-11-19 06:58:45,127 INFO L130 BoogieDeclarations]: Found specification of procedure read_seqcount_retry [2022-11-19 06:58:45,127 INFO L138 BoogieDeclarations]: Found implementation of procedure read_seqcount_retry [2022-11-19 06:58:45,127 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_176 [2022-11-19 06:58:45,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_176 [2022-11-19 06:58:45,127 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-11-19 06:58:45,128 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-11-19 06:58:45,128 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-19 06:58:45,128 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-19 06:58:45,128 INFO L130 BoogieDeclarations]: Found specification of procedure release_stripe [2022-11-19 06:58:45,128 INFO L138 BoogieDeclarations]: Found implementation of procedure release_stripe [2022-11-19 06:58:45,128 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2022-11-19 06:58:45,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2022-11-19 06:58:45,129 INFO L130 BoogieDeclarations]: Found specification of procedure disk_devt [2022-11-19 06:58:45,129 INFO L138 BoogieDeclarations]: Found implementation of procedure disk_devt [2022-11-19 06:58:45,129 INFO L130 BoogieDeclarations]: Found specification of procedure make_request [2022-11-19 06:58:45,129 INFO L138 BoogieDeclarations]: Found implementation of procedure make_request [2022-11-19 06:58:45,130 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2022-11-19 06:58:45,130 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2022-11-19 06:58:45,130 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irq_103 [2022-11-19 06:58:45,130 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irq_103 [2022-11-19 06:58:45,130 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-19 06:58:45,130 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-19 06:58:45,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:58:45,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:58:45,131 INFO L130 BoogieDeclarations]: Found specification of procedure bdev_get_queue [2022-11-19 06:58:45,131 INFO L138 BoogieDeclarations]: Found implementation of procedure bdev_get_queue [2022-11-19 06:58:45,131 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_start_reshape [2022-11-19 06:58:45,131 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_start_reshape [2022-11-19 06:58:45,131 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-19 06:58:45,132 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-19 06:58:45,132 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_notify_dirent_safe [2022-11-19 06:58:45,132 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_notify_dirent_safe [2022-11-19 06:58:45,132 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2022-11-19 06:58:45,132 INFO L130 BoogieDeclarations]: Found specification of procedure mddev_lock [2022-11-19 06:58:45,132 INFO L138 BoogieDeclarations]: Found implementation of procedure mddev_lock [2022-11-19 06:58:45,132 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2022-11-19 06:58:45,133 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2022-11-19 06:58:45,133 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2022-11-19 06:58:45,133 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2022-11-19 06:58:45,133 INFO L130 BoogieDeclarations]: Found specification of procedure write_seqcount_end [2022-11-19 06:58:45,133 INFO L138 BoogieDeclarations]: Found implementation of procedure write_seqcount_end [2022-11-19 06:58:45,133 INFO L130 BoogieDeclarations]: Found specification of procedure set_capacity [2022-11-19 06:58:45,133 INFO L138 BoogieDeclarations]: Found implementation of procedure set_capacity [2022-11-19 06:58:45,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-19 06:58:45,134 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-19 06:58:45,134 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_resize [2022-11-19 06:58:45,134 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_resize [2022-11-19 06:58:45,134 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_128 [2022-11-19 06:58:45,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_128 [2022-11-19 06:58:45,134 INFO L130 BoogieDeclarations]: Found specification of procedure trace_block_bio_remap [2022-11-19 06:58:45,135 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_block_bio_remap [2022-11-19 06:58:45,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-19 06:58:45,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-19 06:58:45,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_for_read_section [2022-11-19 06:58:45,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_for_read_section [2022-11-19 06:58:45,135 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2022-11-19 06:58:45,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2022-11-19 06:58:45,136 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_sched_held [2022-11-19 06:58:45,136 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_sched_held [2022-11-19 06:58:45,136 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-19 06:58:45,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-19 06:58:45,136 INFO L130 BoogieDeclarations]: Found specification of procedure run [2022-11-19 06:58:45,136 INFO L138 BoogieDeclarations]: Found implementation of procedure run [2022-11-19 06:58:45,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 06:58:45,137 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-19 06:58:45,137 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-19 06:58:45,137 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-19 06:58:45,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-19 06:58:45,137 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 06:58:45,137 INFO L130 BoogieDeclarations]: Found specification of procedure put_page [2022-11-19 06:58:45,137 INFO L138 BoogieDeclarations]: Found implementation of procedure put_page [2022-11-19 06:58:45,138 INFO L130 BoogieDeclarations]: Found specification of procedure drop_one_stripe [2022-11-19 06:58:45,138 INFO L138 BoogieDeclarations]: Found implementation of procedure drop_one_stripe [2022-11-19 06:58:45,138 INFO L130 BoogieDeclarations]: Found specification of procedure bio_put [2022-11-19 06:58:45,138 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_put [2022-11-19 06:58:45,138 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_add_disk [2022-11-19 06:58:45,139 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_add_disk [2022-11-19 06:58:45,139 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-19 06:58:45,139 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-19 06:58:45,139 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2022-11-19 06:58:45,139 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2022-11-19 06:58:45,139 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_init_map [2022-11-19 06:58:45,139 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_init_map [2022-11-19 06:58:45,140 INFO L130 BoogieDeclarations]: Found specification of procedure shrink_buffers [2022-11-19 06:58:45,140 INFO L138 BoogieDeclarations]: Found implementation of procedure shrink_buffers [2022-11-19 06:58:45,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-19 06:58:45,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-19 06:58:45,140 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_stripe_lock_of_stripe_head [2022-11-19 06:58:45,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_stripe_lock_of_stripe_head [2022-11-19 06:58:45,140 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-19 06:58:45,141 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-19 06:58:45,141 INFO L130 BoogieDeclarations]: Found specification of procedure mdname [2022-11-19 06:58:45,141 INFO L138 BoogieDeclarations]: Found implementation of procedure mdname [2022-11-19 06:58:45,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-19 06:58:45,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-19 06:58:45,141 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-19 06:58:45,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-19 06:58:45,143 INFO L130 BoogieDeclarations]: Found specification of procedure mddev_suspend [2022-11-19 06:58:45,143 INFO L138 BoogieDeclarations]: Found implementation of procedure mddev_suspend [2022-11-19 06:58:45,143 INFO L130 BoogieDeclarations]: Found specification of procedure free_conf [2022-11-19 06:58:45,144 INFO L138 BoogieDeclarations]: Found implementation of procedure free_conf [2022-11-19 06:58:45,144 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2022-11-19 06:58:45,144 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2022-11-19 06:58:45,144 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_cmpxchg [2022-11-19 06:58:45,144 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_cmpxchg [2022-11-19 06:58:45,144 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2022-11-19 06:58:45,144 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2022-11-19 06:58:45,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 06:58:45,145 INFO L130 BoogieDeclarations]: Found specification of procedure grow_one_stripe [2022-11-19 06:58:45,145 INFO L138 BoogieDeclarations]: Found implementation of procedure grow_one_stripe [2022-11-19 06:58:45,145 INFO L130 BoogieDeclarations]: Found specification of procedure rdev_dec_pending [2022-11-19 06:58:45,145 INFO L138 BoogieDeclarations]: Found implementation of procedure rdev_dec_pending [2022-11-19 06:58:45,145 INFO L130 BoogieDeclarations]: Found specification of procedure mddev_resume [2022-11-19 06:58:45,145 INFO L138 BoogieDeclarations]: Found implementation of procedure mddev_resume [2022-11-19 06:58:45,145 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2022-11-19 06:58:45,146 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2022-11-19 06:58:45,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 06:58:45,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 06:58:45,146 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_stripe_lock_of_stripe_head [2022-11-19 06:58:45,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_stripe_lock_of_stripe_head [2022-11-19 06:58:45,146 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_destroy [2022-11-19 06:58:45,146 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_destroy [2022-11-19 06:58:45,147 INFO L130 BoogieDeclarations]: Found specification of procedure get_online_cpus [2022-11-19 06:58:45,147 INFO L138 BoogieDeclarations]: Found implementation of procedure get_online_cpus [2022-11-19 06:58:45,147 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_101 [2022-11-19 06:58:45,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_101 [2022-11-19 06:58:45,147 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2022-11-19 06:58:45,147 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2022-11-19 06:58:45,147 INFO L130 BoogieDeclarations]: Found specification of procedure __preempt_count_add [2022-11-19 06:58:45,148 INFO L138 BoogieDeclarations]: Found implementation of procedure __preempt_count_add [2022-11-19 06:58:45,148 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_unless [2022-11-19 06:58:45,148 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_unless [2022-11-19 06:58:45,148 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_scratch_buffer [2022-11-19 06:58:45,148 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_scratch_buffer [2022-11-19 06:58:45,148 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-19 06:58:45,148 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-19 06:58:45,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_md_personality [2022-11-19 06:58:45,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_md_personality [2022-11-19 06:58:45,149 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_check [2022-11-19 06:58:45,149 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_check [2022-11-19 06:58:45,149 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-19 06:58:45,149 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-19 06:58:45,149 INFO L130 BoogieDeclarations]: Found specification of procedure static_key_false [2022-11-19 06:58:45,150 INFO L138 BoogieDeclarations]: Found implementation of procedure static_key_false [2022-11-19 06:58:45,150 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_startwrite [2022-11-19 06:58:45,150 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_startwrite [2022-11-19 06:58:45,150 INFO L130 BoogieDeclarations]: Found specification of procedure kstrtoul [2022-11-19 06:58:45,150 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrtoul [2022-11-19 06:58:45,150 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-11-19 06:58:45,150 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-11-19 06:58:45,151 INFO L130 BoogieDeclarations]: Found specification of procedure raid45_takeover_raid0 [2022-11-19 06:58:45,151 INFO L138 BoogieDeclarations]: Found implementation of procedure raid45_takeover_raid0 [2022-11-19 06:58:45,151 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-19 06:58:45,151 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-19 06:58:45,151 INFO L130 BoogieDeclarations]: Found specification of procedure sysfs_notify [2022-11-19 06:58:45,151 INFO L138 BoogieDeclarations]: Found implementation of procedure sysfs_notify [2022-11-19 06:58:45,151 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-19 06:58:45,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-19 06:58:45,152 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_finish_reshape [2022-11-19 06:58:45,152 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_finish_reshape [2022-11-19 06:58:45,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-19 06:58:45,152 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-19 06:58:45,152 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-19 06:58:45,152 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-19 06:58:45,153 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 06:58:45,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 06:58:45,153 INFO L130 BoogieDeclarations]: Found specification of procedure bitmap_start_sync [2022-11-19 06:58:45,153 INFO L138 BoogieDeclarations]: Found implementation of procedure bitmap_start_sync [2022-11-19 06:58:45,153 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_check_reshape [2022-11-19 06:58:45,153 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_check_reshape [2022-11-19 06:58:45,153 INFO L130 BoogieDeclarations]: Found specification of procedure lock_release [2022-11-19 06:58:45,153 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_release [2022-11-19 06:58:45,154 INFO L130 BoogieDeclarations]: Found specification of procedure setup_conf [2022-11-19 06:58:45,154 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_conf [2022-11-19 06:58:45,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-19 06:58:45,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-19 06:58:45,154 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-19 06:58:45,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-19 06:58:45,154 INFO L130 BoogieDeclarations]: Found specification of procedure scribble_len [2022-11-19 06:58:45,155 INFO L138 BoogieDeclarations]: Found implementation of procedure scribble_len [2022-11-19 06:58:45,155 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-19 06:58:45,155 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-19 06:58:45,155 INFO L130 BoogieDeclarations]: Found specification of procedure add_stripe_bio [2022-11-19 06:58:45,155 INFO L138 BoogieDeclarations]: Found implementation of procedure add_stripe_bio [2022-11-19 06:58:45,155 INFO L130 BoogieDeclarations]: Found specification of procedure bio_init [2022-11-19 06:58:45,155 INFO L138 BoogieDeclarations]: Found implementation of procedure bio_init [2022-11-19 06:58:45,156 INFO L130 BoogieDeclarations]: Found specification of procedure generic_make_request [2022-11-19 06:58:45,156 INFO L138 BoogieDeclarations]: Found implementation of procedure generic_make_request [2022-11-19 06:58:45,156 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_pages [2022-11-19 06:58:45,156 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_pages [2022-11-19 06:58:45,156 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-19 06:58:45,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-19 06:58:45,156 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-11-19 06:58:45,157 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-11-19 06:58:45,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_175 [2022-11-19 06:58:45,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_175 [2022-11-19 06:58:45,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-19 06:58:45,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-19 06:58:45,157 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-19 06:58:45,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-19 06:58:45,158 INFO L130 BoogieDeclarations]: Found specification of procedure md_write_end [2022-11-19 06:58:45,158 INFO L138 BoogieDeclarations]: Found implementation of procedure md_write_end [2022-11-19 06:58:45,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 06:58:45,158 INFO L130 BoogieDeclarations]: Found specification of procedure is_badblock [2022-11-19 06:58:45,158 INFO L138 BoogieDeclarations]: Found implementation of procedure is_badblock [2022-11-19 06:58:45,158 INFO L130 BoogieDeclarations]: Found specification of procedure md_set_array_sectors [2022-11-19 06:58:45,158 INFO L138 BoogieDeclarations]: Found implementation of procedure md_set_array_sectors [2022-11-19 06:58:45,159 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_dec_bi_active_stripes [2022-11-19 06:58:45,159 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_dec_bi_active_stripes [2022-11-19 06:58:45,159 INFO L130 BoogieDeclarations]: Found specification of procedure register_md_personality [2022-11-19 06:58:45,159 INFO L138 BoogieDeclarations]: Found implementation of procedure register_md_personality [2022-11-19 06:58:45,159 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-19 06:58:45,159 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-19 06:58:45,159 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-19 06:58:45,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-19 06:58:45,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-19 06:58:45,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-19 06:58:45,160 INFO L130 BoogieDeclarations]: Found specification of procedure get_start_sect [2022-11-19 06:58:45,160 INFO L138 BoogieDeclarations]: Found implementation of procedure get_start_sect [2022-11-19 06:58:45,160 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-19 06:58:45,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-19 06:58:45,161 INFO L130 BoogieDeclarations]: Found specification of procedure print_raid5_conf [2022-11-19 06:58:45,161 INFO L138 BoogieDeclarations]: Found implementation of procedure print_raid5_conf [2022-11-19 06:58:45,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-19 06:58:45,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-19 06:58:45,161 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-19 06:58:45,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-19 06:58:45,161 INFO L130 BoogieDeclarations]: Found specification of procedure status [2022-11-19 06:58:45,162 INFO L138 BoogieDeclarations]: Found implementation of procedure status [2022-11-19 06:58:45,162 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-19 06:58:45,162 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-19 06:58:45,162 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-19 06:58:45,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-19 06:58:45,162 INFO L130 BoogieDeclarations]: Found specification of procedure md_wakeup_thread [2022-11-19 06:58:45,162 INFO L138 BoogieDeclarations]: Found implementation of procedure md_wakeup_thread [2022-11-19 06:58:45,162 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2022-11-19 06:58:45,163 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2022-11-19 06:58:45,163 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_inc_bi_active_stripes [2022-11-19 06:58:45,163 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_inc_bi_active_stripes [2022-11-19 06:58:45,163 INFO L130 BoogieDeclarations]: Found specification of procedure disk_stack_limits [2022-11-19 06:58:45,163 INFO L138 BoogieDeclarations]: Found implementation of procedure disk_stack_limits [2022-11-19 06:58:45,163 INFO L130 BoogieDeclarations]: Found specification of procedure remove_hash [2022-11-19 06:58:45,163 INFO L138 BoogieDeclarations]: Found implementation of procedure remove_hash [2022-11-19 06:58:45,164 INFO L130 BoogieDeclarations]: Found specification of procedure stripe_hash [2022-11-19 06:58:45,164 INFO L138 BoogieDeclarations]: Found implementation of procedure stripe_hash [2022-11-19 06:58:45,164 INFO L130 BoogieDeclarations]: Found specification of procedure release_inactive_stripe_list [2022-11-19 06:58:45,164 INFO L138 BoogieDeclarations]: Found implementation of procedure release_inactive_stripe_list [2022-11-19 06:58:45,164 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-19 06:58:45,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-19 06:58:45,164 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-19 06:58:45,165 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-19 06:58:45,165 INFO L130 BoogieDeclarations]: Found specification of procedure write_seqcount_begin [2022-11-19 06:58:45,165 INFO L138 BoogieDeclarations]: Found implementation of procedure write_seqcount_begin [2022-11-19 06:58:45,165 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2022-11-19 06:58:45,165 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2022-11-19 06:58:45,165 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_device_lock_of_r5conf [2022-11-19 06:58:45,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_device_lock_of_r5conf [2022-11-19 06:58:45,166 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2022-11-19 06:58:45,166 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2022-11-19 06:58:45,166 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2022-11-19 06:58:45,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_md_personality [2022-11-19 06:58:45,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_md_personality [2022-11-19 06:58:45,166 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 06:58:45,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 06:58:45,167 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_size [2022-11-19 06:58:45,167 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_size [2022-11-19 06:58:45,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-19 06:58:45,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-19 06:58:45,167 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-11-19 06:58:45,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock_try [2022-11-19 06:58:45,167 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_sub_return [2022-11-19 06:58:45,168 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_sub_return [2022-11-19 06:58:45,168 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_spare_active [2022-11-19 06:58:45,168 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_spare_active [2022-11-19 06:58:45,168 INFO L130 BoogieDeclarations]: Found specification of procedure md_allow_write [2022-11-19 06:58:45,168 INFO L138 BoogieDeclarations]: Found implementation of procedure md_allow_write [2022-11-19 06:58:45,168 INFO L130 BoogieDeclarations]: Found specification of procedure lock_all_device_hash_locks_irq [2022-11-19 06:58:45,169 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_all_device_hash_locks_irq [2022-11-19 06:58:45,169 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-19 06:58:45,169 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-19 06:58:45,169 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_device_hash_lock [2022-11-19 06:58:45,169 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_device_hash_lock [2022-11-19 06:58:45,169 INFO L130 BoogieDeclarations]: Found specification of procedure md_register_thread [2022-11-19 06:58:45,169 INFO L138 BoogieDeclarations]: Found implementation of procedure md_register_thread [2022-11-19 06:58:45,170 INFO L130 BoogieDeclarations]: Found specification of procedure check_stripe_cache [2022-11-19 06:58:45,170 INFO L138 BoogieDeclarations]: Found implementation of procedure check_stripe_cache [2022-11-19 06:58:45,170 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2022-11-19 06:58:45,170 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2022-11-19 06:58:45,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_NOT_ARG_SIGN [2022-11-19 06:58:45,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_NOT_ARG_SIGN [2022-11-19 06:58:45,170 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_quiesce [2022-11-19 06:58:45,171 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_quiesce [2022-11-19 06:58:45,171 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_store_stripe_cache_size [2022-11-19 06:58:45,171 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_store_stripe_cache_size [2022-11-19 06:58:45,171 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock_sched_notrace [2022-11-19 06:58:45,171 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock_sched_notrace [2022-11-19 06:58:45,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 06:58:45,171 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_compute_sector [2022-11-19 06:58:45,172 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_compute_sector [2022-11-19 06:58:45,172 INFO L130 BoogieDeclarations]: Found specification of procedure trace_block_bio_complete [2022-11-19 06:58:45,172 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_block_bio_complete [2022-11-19 06:58:45,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-19 06:58:45,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-19 06:58:45,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-19 06:58:45,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-19 06:58:45,173 INFO L130 BoogieDeclarations]: Found specification of procedure do_release_stripe [2022-11-19 06:58:45,173 INFO L138 BoogieDeclarations]: Found implementation of procedure do_release_stripe [2022-11-19 06:58:45,173 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_mergeable_bvec [2022-11-19 06:58:45,173 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_mergeable_bvec [2022-11-19 06:58:45,173 INFO L130 BoogieDeclarations]: Found specification of procedure check_reshape [2022-11-19 06:58:45,173 INFO L138 BoogieDeclarations]: Found implementation of procedure check_reshape [2022-11-19 06:58:45,173 INFO L130 BoogieDeclarations]: Found specification of procedure get_free_stripe [2022-11-19 06:58:45,174 INFO L138 BoogieDeclarations]: Found implementation of procedure get_free_stripe [2022-11-19 06:58:45,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-19 06:58:45,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-19 06:58:45,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_100 [2022-11-19 06:58:45,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_100 [2022-11-19 06:58:45,174 INFO L130 BoogieDeclarations]: Found specification of procedure r5_next_bio [2022-11-19 06:58:45,174 INFO L138 BoogieDeclarations]: Found implementation of procedure r5_next_bio [2022-11-19 06:58:45,175 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-19 06:58:45,175 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-19 06:58:45,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-19 06:58:45,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-19 06:58:45,175 INFO L130 BoogieDeclarations]: Found specification of procedure only_parity [2022-11-19 06:58:45,175 INFO L138 BoogieDeclarations]: Found implementation of procedure only_parity [2022-11-19 06:58:45,175 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-19 06:58:45,176 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-19 06:58:45,176 INFO L130 BoogieDeclarations]: Found specification of procedure mddev_unlock [2022-11-19 06:58:45,176 INFO L138 BoogieDeclarations]: Found implementation of procedure mddev_unlock [2022-11-19 06:58:45,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-19 06:58:45,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-19 06:58:45,176 INFO L130 BoogieDeclarations]: Found specification of procedure is_power_of_2 [2022-11-19 06:58:45,176 INFO L138 BoogieDeclarations]: Found implementation of procedure is_power_of_2 [2022-11-19 06:58:45,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_NOT_ARG_SIGN [2022-11-19 06:58:45,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_NOT_ARG_SIGN [2022-11-19 06:58:45,177 INFO L130 BoogieDeclarations]: Found specification of procedure release_stripe_plug [2022-11-19 06:58:45,177 INFO L138 BoogieDeclarations]: Found implementation of procedure release_stripe_plug [2022-11-19 06:58:45,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-19 06:58:45,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-19 06:58:45,177 INFO L130 BoogieDeclarations]: Found specification of procedure has_failed [2022-11-19 06:58:45,178 INFO L138 BoogieDeclarations]: Found implementation of procedure has_failed [2022-11-19 06:58:45,178 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-19 06:58:45,178 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-19 06:58:45,178 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_all_device_hash_locks_irq [2022-11-19 06:58:45,178 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_all_device_hash_locks_irq [2022-11-19 06:58:45,178 INFO L130 BoogieDeclarations]: Found specification of procedure lock_acquire [2022-11-19 06:58:45,178 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_acquire [2022-11-19 06:58:45,179 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-19 06:58:45,179 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-19 06:58:45,179 INFO L130 BoogieDeclarations]: Found specification of procedure raid5_free [2022-11-19 06:58:45,179 INFO L138 BoogieDeclarations]: Found implementation of procedure raid5_free [2022-11-19 06:58:45,179 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-19 06:58:45,179 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-19 06:58:45,179 INFO L130 BoogieDeclarations]: Found specification of procedure calc_degraded [2022-11-19 06:58:45,180 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_degraded [2022-11-19 06:58:45,180 INFO L130 BoogieDeclarations]: Found specification of procedure algorithm_valid_raid6 [2022-11-19 06:58:45,180 INFO L138 BoogieDeclarations]: Found implementation of procedure algorithm_valid_raid6 [2022-11-19 06:58:45,180 INFO L130 BoogieDeclarations]: Found specification of procedure algorithm_valid_raid5 [2022-11-19 06:58:45,180 INFO L138 BoogieDeclarations]: Found implementation of procedure algorithm_valid_raid5 [2022-11-19 06:58:45,180 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-19 06:58:45,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-19 06:58:45,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_136 [2022-11-19 06:58:45,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_136 [2022-11-19 06:58:45,181 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-11-19 06:58:45,181 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-11-19 06:58:45,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-19 06:58:45,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-19 06:58:45,181 INFO L130 BoogieDeclarations]: Found specification of procedure error [2022-11-19 06:58:45,182 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2022-11-19 06:58:45,182 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_free [2022-11-19 06:58:45,182 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_free [2022-11-19 06:58:45,182 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-19 06:58:45,182 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-19 06:58:45,182 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_irq_121 [2022-11-19 06:58:45,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_irq_121 [2022-11-19 06:58:45,183 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-11-19 06:58:45,183 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-11-19 06:58:45,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 06:58:46,720 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:58:46,727 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:58:47,121 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 06:58:56,041 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 06:58:59,690 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 06:58:59,690 INFO L300 CfgBuilder]: Removed 10 assume(true) statements. [2022-11-19 06:58:59,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:58:59 BoogieIcfgContainer [2022-11-19 06:58:59,700 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 06:58:59,703 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 06:58:59,703 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 06:58:59,707 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 06:58:59,708 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:58:32" (1/3) ... [2022-11-19 06:58:59,709 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@420fb828 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:58:59, skipping insertion in model container [2022-11-19 06:58:59,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:58:43" (2/3) ... [2022-11-19 06:58:59,710 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@420fb828 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:58:59, skipping insertion in model container [2022-11-19 06:58:59,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:58:59" (3/3) ... [2022-11-19 06:58:59,712 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--md--raid456.ko.cil.i [2022-11-19 06:58:59,732 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 06:58:59,733 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 33 error locations. [2022-11-19 06:58:59,877 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 06:58:59,883 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@343241f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 06:58:59,884 INFO L358 AbstractCegarLoop]: Starting to check reachability of 33 error locations. [2022-11-19 06:58:59,898 INFO L276 IsEmpty]: Start isEmpty. Operand has 3334 states, 1918 states have (on average 1.3415015641293013) internal successors, (2573), 2076 states have internal predecessors, (2573), 1149 states have call successors, (1149), 234 states have call predecessors, (1149), 233 states have return successors, (1141), 1120 states have call predecessors, (1141), 1141 states have call successors, (1141) [2022-11-19 06:58:59,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-19 06:58:59,909 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:58:59,910 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 06:58:59,910 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-19 06:58:59,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:58:59,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1124686000, now seen corresponding path program 1 times [2022-11-19 06:58:59,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:58:59,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69304971] [2022-11-19 06:58:59,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:58:59,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:59:00,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:59:01,304 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 06:59:01,307 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:59:01,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69304971] [2022-11-19 06:59:01,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69304971] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:59:01,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:59:01,309 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:59:01,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927640432] [2022-11-19 06:59:01,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:59:01,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 06:59:01,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:59:01,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 06:59:01,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 06:59:01,362 INFO L87 Difference]: Start difference. First operand has 3334 states, 1918 states have (on average 1.3415015641293013) internal successors, (2573), 2076 states have internal predecessors, (2573), 1149 states have call successors, (1149), 234 states have call predecessors, (1149), 233 states have return successors, (1141), 1120 states have call predecessors, (1141), 1141 states have call successors, (1141) Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-19 06:59:04,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 06:59:07,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 06:59:08,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:59:08,327 INFO L93 Difference]: Finished difference Result 7491 states and 11145 transitions. [2022-11-19 06:59:08,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 06:59:08,329 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (8), 2 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 38 [2022-11-19 06:59:08,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:59:08,381 INFO L225 Difference]: With dead ends: 7491 [2022-11-19 06:59:08,382 INFO L226 Difference]: Without dead ends: 4149 [2022-11-19 06:59:08,418 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:59:08,423 INFO L413 NwaCegarLoop]: 4721 mSDtfsCounter, 4768 mSDsluCounter, 5735 mSDsCounter, 0 mSdLazyCounter, 1207 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4777 SdHoareTripleChecker+Valid, 10456 SdHoareTripleChecker+Invalid, 1208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1207 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-11-19 06:59:08,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4777 Valid, 10456 Invalid, 1208 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1207 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2022-11-19 06:59:08,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4149 states. [2022-11-19 06:59:08,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4149 to 4131. [2022-11-19 06:59:08,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4131 states, 2359 states have (on average 1.3069097075031793) internal successors, (3083), 2542 states have internal predecessors, (3083), 1406 states have call successors, (1406), 335 states have call predecessors, (1406), 334 states have return successors, (1404), 1372 states have call predecessors, (1404), 1404 states have call successors, (1404) [2022-11-19 06:59:08,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4131 states to 4131 states and 5893 transitions. [2022-11-19 06:59:08,805 INFO L78 Accepts]: Start accepts. Automaton has 4131 states and 5893 transitions. Word has length 38 [2022-11-19 06:59:08,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:59:08,806 INFO L495 AbstractCegarLoop]: Abstraction has 4131 states and 5893 transitions. [2022-11-19 06:59:08,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-11-19 06:59:08,806 INFO L276 IsEmpty]: Start isEmpty. Operand 4131 states and 5893 transitions. [2022-11-19 06:59:08,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-11-19 06:59:08,814 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:59:08,814 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 06:59:08,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 06:59:08,815 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-19 06:59:08,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:59:08,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1070720473, now seen corresponding path program 1 times [2022-11-19 06:59:08,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:59:08,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840585946] [2022-11-19 06:59:08,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:59:08,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:59:08,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:59:09,579 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 06:59:09,580 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:59:09,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840585946] [2022-11-19 06:59:09,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840585946] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:59:09,580 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:59:09,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:59:09,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798166426] [2022-11-19 06:59:09,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:59:09,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 06:59:09,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:59:09,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 06:59:09,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 06:59:09,584 INFO L87 Difference]: Start difference. First operand 4131 states and 5893 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-19 06:59:13,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 06:59:15,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:59:15,106 INFO L93 Difference]: Finished difference Result 4131 states and 5893 transitions. [2022-11-19 06:59:15,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 06:59:15,108 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (9), 2 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 43 [2022-11-19 06:59:15,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:59:15,132 INFO L225 Difference]: With dead ends: 4131 [2022-11-19 06:59:15,132 INFO L226 Difference]: Without dead ends: 4129 [2022-11-19 06:59:15,136 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:59:15,137 INFO L413 NwaCegarLoop]: 4275 mSDtfsCounter, 4778 mSDsluCounter, 4275 mSDsCounter, 0 mSdLazyCounter, 1049 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4786 SdHoareTripleChecker+Valid, 8550 SdHoareTripleChecker+Invalid, 1050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1049 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-11-19 06:59:15,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4786 Valid, 8550 Invalid, 1050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1049 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2022-11-19 06:59:15,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4129 states. [2022-11-19 06:59:15,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4129 to 4129. [2022-11-19 06:59:15,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4129 states, 2358 states have (on average 1.306615776081425) internal successors, (3081), 2540 states have internal predecessors, (3081), 1406 states have call successors, (1406), 335 states have call predecessors, (1406), 334 states have return successors, (1404), 1372 states have call predecessors, (1404), 1404 states have call successors, (1404) [2022-11-19 06:59:15,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4129 states to 4129 states and 5891 transitions. [2022-11-19 06:59:15,380 INFO L78 Accepts]: Start accepts. Automaton has 4129 states and 5891 transitions. Word has length 43 [2022-11-19 06:59:15,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:59:15,380 INFO L495 AbstractCegarLoop]: Abstraction has 4129 states and 5891 transitions. [2022-11-19 06:59:15,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (9), 2 states have call predecessors, (9), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-11-19 06:59:15,381 INFO L276 IsEmpty]: Start isEmpty. Operand 4129 states and 5891 transitions. [2022-11-19 06:59:15,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-19 06:59:15,387 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:59:15,388 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 06:59:15,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 06:59:15,389 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-19 06:59:15,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:59:15,399 INFO L85 PathProgramCache]: Analyzing trace with hash -1524421757, now seen corresponding path program 1 times [2022-11-19 06:59:15,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:59:15,400 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607667315] [2022-11-19 06:59:15,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:59:15,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:59:15,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:59:16,051 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 06:59:16,051 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:59:16,052 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607667315] [2022-11-19 06:59:16,052 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607667315] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:59:16,052 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:59:16,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:59:16,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005644254] [2022-11-19 06:59:16,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:59:16,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 06:59:16,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:59:16,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 06:59:16,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 06:59:16,054 INFO L87 Difference]: Start difference. First operand 4129 states and 5891 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-19 06:59:19,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 06:59:19,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:59:19,784 INFO L93 Difference]: Finished difference Result 4129 states and 5891 transitions. [2022-11-19 06:59:19,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 06:59:19,786 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (10), 2 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 48 [2022-11-19 06:59:19,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:59:19,808 INFO L225 Difference]: With dead ends: 4129 [2022-11-19 06:59:19,809 INFO L226 Difference]: Without dead ends: 4127 [2022-11-19 06:59:19,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:59:19,815 INFO L413 NwaCegarLoop]: 4273 mSDtfsCounter, 4782 mSDsluCounter, 4273 mSDsCounter, 0 mSdLazyCounter, 1051 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4784 SdHoareTripleChecker+Valid, 8546 SdHoareTripleChecker+Invalid, 1051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1051 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-19 06:59:19,816 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4784 Valid, 8546 Invalid, 1051 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1051 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-19 06:59:19,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4127 states. [2022-11-19 06:59:20,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4127 to 4127. [2022-11-19 06:59:20,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4127 states, 2357 states have (on average 1.3063215952481968) internal successors, (3079), 2538 states have internal predecessors, (3079), 1406 states have call successors, (1406), 335 states have call predecessors, (1406), 334 states have return successors, (1404), 1372 states have call predecessors, (1404), 1404 states have call successors, (1404) [2022-11-19 06:59:20,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4127 states to 4127 states and 5889 transitions. [2022-11-19 06:59:20,100 INFO L78 Accepts]: Start accepts. Automaton has 4127 states and 5889 transitions. Word has length 48 [2022-11-19 06:59:20,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:59:20,101 INFO L495 AbstractCegarLoop]: Abstraction has 4127 states and 5889 transitions. [2022-11-19 06:59:20,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (10), 2 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-11-19 06:59:20,102 INFO L276 IsEmpty]: Start isEmpty. Operand 4127 states and 5889 transitions. [2022-11-19 06:59:20,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-19 06:59:20,104 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:59:20,104 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:59:20,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 06:59:20,104 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-19 06:59:20,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:59:20,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1512099484, now seen corresponding path program 1 times [2022-11-19 06:59:20,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:59:20,105 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262398833] [2022-11-19 06:59:20,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:59:20,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:59:20,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:59:20,615 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 06:59:20,615 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:59:20,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262398833] [2022-11-19 06:59:20,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262398833] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:59:20,616 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:59:20,616 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:59:20,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313931939] [2022-11-19 06:59:20,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:59:20,617 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 06:59:20,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:59:20,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 06:59:20,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 06:59:20,618 INFO L87 Difference]: Start difference. First operand 4127 states and 5889 transitions. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-19 06:59:23,350 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 06:59:25,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 06:59:26,784 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 06:59:27,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:59:27,461 INFO L93 Difference]: Finished difference Result 4127 states and 5889 transitions. [2022-11-19 06:59:27,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 06:59:27,464 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (11), 2 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 53 [2022-11-19 06:59:27,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:59:27,487 INFO L225 Difference]: With dead ends: 4127 [2022-11-19 06:59:27,487 INFO L226 Difference]: Without dead ends: 4125 [2022-11-19 06:59:27,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:59:27,491 INFO L413 NwaCegarLoop]: 4271 mSDtfsCounter, 4779 mSDsluCounter, 4271 mSDsCounter, 0 mSdLazyCounter, 1050 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4781 SdHoareTripleChecker+Valid, 8542 SdHoareTripleChecker+Invalid, 1051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1050 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2022-11-19 06:59:27,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4781 Valid, 8542 Invalid, 1051 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1050 Invalid, 1 Unknown, 0 Unchecked, 6.6s Time] [2022-11-19 06:59:27,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4125 states. [2022-11-19 06:59:27,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4125 to 4125. [2022-11-19 06:59:27,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4125 states, 2356 states have (on average 1.3060271646859083) internal successors, (3077), 2536 states have internal predecessors, (3077), 1406 states have call successors, (1406), 335 states have call predecessors, (1406), 334 states have return successors, (1404), 1372 states have call predecessors, (1404), 1404 states have call successors, (1404) [2022-11-19 06:59:27,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4125 states to 4125 states and 5887 transitions. [2022-11-19 06:59:27,871 INFO L78 Accepts]: Start accepts. Automaton has 4125 states and 5887 transitions. Word has length 53 [2022-11-19 06:59:27,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:59:27,872 INFO L495 AbstractCegarLoop]: Abstraction has 4125 states and 5887 transitions. [2022-11-19 06:59:27,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-19 06:59:27,872 INFO L276 IsEmpty]: Start isEmpty. Operand 4125 states and 5887 transitions. [2022-11-19 06:59:27,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-11-19 06:59:27,874 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:59:27,875 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 06:59:27,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 06:59:27,875 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-19 06:59:27,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:59:27,876 INFO L85 PathProgramCache]: Analyzing trace with hash -883940504, now seen corresponding path program 1 times [2022-11-19 06:59:27,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:59:27,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972990892] [2022-11-19 06:59:27,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:59:27,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:59:27,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:59:28,516 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 06:59:28,516 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:59:28,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972990892] [2022-11-19 06:59:28,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972990892] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:59:28,517 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:59:28,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:59:28,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788182080] [2022-11-19 06:59:28,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:59:28,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 06:59:28,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:59:28,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 06:59:28,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 06:59:28,519 INFO L87 Difference]: Start difference. First operand 4125 states and 5887 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-19 06:59:31,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 06:59:34,238 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 06:59:34,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:59:34,833 INFO L93 Difference]: Finished difference Result 4125 states and 5887 transitions. [2022-11-19 06:59:34,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 06:59:34,835 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 2 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 58 [2022-11-19 06:59:34,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:59:34,864 INFO L225 Difference]: With dead ends: 4125 [2022-11-19 06:59:34,864 INFO L226 Difference]: Without dead ends: 4123 [2022-11-19 06:59:34,868 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:59:34,869 INFO L413 NwaCegarLoop]: 4269 mSDtfsCounter, 4769 mSDsluCounter, 4269 mSDsCounter, 0 mSdLazyCounter, 1048 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4777 SdHoareTripleChecker+Valid, 8538 SdHoareTripleChecker+Invalid, 1050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1048 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2022-11-19 06:59:34,869 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4777 Valid, 8538 Invalid, 1050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1048 Invalid, 2 Unknown, 0 Unchecked, 5.9s Time] [2022-11-19 06:59:34,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4123 states. [2022-11-19 06:59:35,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4123 to 4123. [2022-11-19 06:59:35,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4123 states, 2355 states have (on average 1.305732484076433) internal successors, (3075), 2534 states have internal predecessors, (3075), 1406 states have call successors, (1406), 335 states have call predecessors, (1406), 334 states have return successors, (1404), 1372 states have call predecessors, (1404), 1404 states have call successors, (1404) [2022-11-19 06:59:35,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4123 states to 4123 states and 5885 transitions. [2022-11-19 06:59:35,310 INFO L78 Accepts]: Start accepts. Automaton has 4123 states and 5885 transitions. Word has length 58 [2022-11-19 06:59:35,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:59:35,311 INFO L495 AbstractCegarLoop]: Abstraction has 4123 states and 5885 transitions. [2022-11-19 06:59:35,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-19 06:59:35,311 INFO L276 IsEmpty]: Start isEmpty. Operand 4123 states and 5885 transitions. [2022-11-19 06:59:35,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-11-19 06:59:35,314 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:59:35,315 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 06:59:35,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 06:59:35,315 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-19 06:59:35,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:59:35,316 INFO L85 PathProgramCache]: Analyzing trace with hash -703693279, now seen corresponding path program 1 times [2022-11-19 06:59:35,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:59:35,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312188915] [2022-11-19 06:59:35,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:59:35,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:59:35,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:59:35,947 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 06:59:35,947 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:59:35,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312188915] [2022-11-19 06:59:35,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312188915] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:59:35,948 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:59:35,948 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:59:35,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697611876] [2022-11-19 06:59:35,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:59:35,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 06:59:35,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:59:35,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 06:59:35,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 06:59:35,951 INFO L87 Difference]: Start difference. First operand 4123 states and 5885 transitions. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-19 06:59:39,179 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 06:59:41,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 06:59:42,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:59:42,456 INFO L93 Difference]: Finished difference Result 4141 states and 5902 transitions. [2022-11-19 06:59:42,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 06:59:42,457 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (13), 2 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 63 [2022-11-19 06:59:42,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:59:42,480 INFO L225 Difference]: With dead ends: 4141 [2022-11-19 06:59:42,480 INFO L226 Difference]: Without dead ends: 4139 [2022-11-19 06:59:42,483 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:59:42,484 INFO L413 NwaCegarLoop]: 4689 mSDtfsCounter, 4723 mSDsluCounter, 5698 mSDsCounter, 0 mSdLazyCounter, 1203 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4738 SdHoareTripleChecker+Valid, 10387 SdHoareTripleChecker+Invalid, 1205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1203 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-11-19 06:59:42,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4738 Valid, 10387 Invalid, 1205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1203 Invalid, 2 Unknown, 0 Unchecked, 6.1s Time] [2022-11-19 06:59:42,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4139 states. [2022-11-19 06:59:42,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4139 to 4121. [2022-11-19 06:59:42,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4121 states, 2354 states have (on average 1.3054375531011044) internal successors, (3073), 2532 states have internal predecessors, (3073), 1406 states have call successors, (1406), 335 states have call predecessors, (1406), 334 states have return successors, (1404), 1372 states have call predecessors, (1404), 1404 states have call successors, (1404) [2022-11-19 06:59:42,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4121 states to 4121 states and 5883 transitions. [2022-11-19 06:59:42,809 INFO L78 Accepts]: Start accepts. Automaton has 4121 states and 5883 transitions. Word has length 63 [2022-11-19 06:59:42,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:59:42,810 INFO L495 AbstractCegarLoop]: Abstraction has 4121 states and 5883 transitions. [2022-11-19 06:59:42,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-11-19 06:59:42,810 INFO L276 IsEmpty]: Start isEmpty. Operand 4121 states and 5883 transitions. [2022-11-19 06:59:42,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-11-19 06:59:42,811 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:59:42,812 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 06:59:42,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 06:59:42,812 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-19 06:59:42,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:59:42,813 INFO L85 PathProgramCache]: Analyzing trace with hash 1141323558, now seen corresponding path program 1 times [2022-11-19 06:59:42,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:59:42,813 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316138107] [2022-11-19 06:59:42,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:59:42,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:59:42,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:59:43,415 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 06:59:43,416 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:59:43,418 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316138107] [2022-11-19 06:59:43,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316138107] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:59:43,418 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:59:43,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:59:43,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113848287] [2022-11-19 06:59:43,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:59:43,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 06:59:43,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:59:43,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 06:59:43,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 06:59:43,420 INFO L87 Difference]: Start difference. First operand 4121 states and 5883 transitions. Second operand has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-19 06:59:46,475 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 06:59:49,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 06:59:52,068 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 06:59:53,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:59:53,215 INFO L93 Difference]: Finished difference Result 7390 states and 10632 transitions. [2022-11-19 06:59:53,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 06:59:53,217 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (14), 2 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 68 [2022-11-19 06:59:53,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:59:53,266 INFO L225 Difference]: With dead ends: 7390 [2022-11-19 06:59:53,267 INFO L226 Difference]: Without dead ends: 7388 [2022-11-19 06:59:53,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:59:53,273 INFO L413 NwaCegarLoop]: 5599 mSDtfsCounter, 4722 mSDsluCounter, 9863 mSDsCounter, 0 mSdLazyCounter, 1625 mSolverCounterSat, 1 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4731 SdHoareTripleChecker+Valid, 15462 SdHoareTripleChecker+Invalid, 1628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1625 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-11-19 06:59:53,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4731 Valid, 15462 Invalid, 1628 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1625 Invalid, 2 Unknown, 0 Unchecked, 9.2s Time] [2022-11-19 06:59:53,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7388 states. [2022-11-19 06:59:53,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7388 to 7257. [2022-11-19 06:59:53,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7257 states, 4168 states have (on average 1.3130998080614202) internal successors, (5473), 4466 states have internal predecessors, (5473), 2508 states have call successors, (2508), 555 states have call predecessors, (2508), 554 states have return successors, (2519), 2451 states have call predecessors, (2519), 2506 states have call successors, (2519) [2022-11-19 06:59:53,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7257 states to 7257 states and 10500 transitions. [2022-11-19 06:59:53,954 INFO L78 Accepts]: Start accepts. Automaton has 7257 states and 10500 transitions. Word has length 68 [2022-11-19 06:59:53,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:59:53,955 INFO L495 AbstractCegarLoop]: Abstraction has 7257 states and 10500 transitions. [2022-11-19 06:59:53,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-11-19 06:59:53,955 INFO L276 IsEmpty]: Start isEmpty. Operand 7257 states and 10500 transitions. [2022-11-19 06:59:53,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-19 06:59:53,957 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:59:53,958 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 06:59:53,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 06:59:53,958 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-19 06:59:53,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:59:53,959 INFO L85 PathProgramCache]: Analyzing trace with hash -721347596, now seen corresponding path program 1 times [2022-11-19 06:59:53,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:59:53,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119366594] [2022-11-19 06:59:53,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:59:53,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:59:54,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:59:54,465 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 06:59:54,465 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:59:54,466 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119366594] [2022-11-19 06:59:54,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119366594] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:59:54,466 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:59:54,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 06:59:54,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616049330] [2022-11-19 06:59:54,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:59:54,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 06:59:54,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:59:54,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 06:59:54,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 06:59:54,468 INFO L87 Difference]: Start difference. First operand 7257 states and 10500 transitions. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-19 06:59:58,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:00:00,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:00:00,226 INFO L93 Difference]: Finished difference Result 7257 states and 10500 transitions. [2022-11-19 07:00:00,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:00:00,227 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (15), 2 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 73 [2022-11-19 07:00:00,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:00:00,267 INFO L225 Difference]: With dead ends: 7257 [2022-11-19 07:00:00,268 INFO L226 Difference]: Without dead ends: 7255 [2022-11-19 07:00:00,274 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:00:00,274 INFO L413 NwaCegarLoop]: 4265 mSDtfsCounter, 4766 mSDsluCounter, 4261 mSDsCounter, 0 mSdLazyCounter, 1049 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4774 SdHoareTripleChecker+Valid, 8526 SdHoareTripleChecker+Invalid, 1050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1049 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:00:00,275 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4774 Valid, 8526 Invalid, 1050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1049 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2022-11-19 07:00:00,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7255 states. [2022-11-19 07:00:00,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7255 to 7255. [2022-11-19 07:00:00,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7255 states, 4167 states have (on average 1.3129349652027837) internal successors, (5471), 4464 states have internal predecessors, (5471), 2508 states have call successors, (2508), 555 states have call predecessors, (2508), 554 states have return successors, (2519), 2451 states have call predecessors, (2519), 2506 states have call successors, (2519) [2022-11-19 07:00:01,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7255 states to 7255 states and 10498 transitions. [2022-11-19 07:00:01,018 INFO L78 Accepts]: Start accepts. Automaton has 7255 states and 10498 transitions. Word has length 73 [2022-11-19 07:00:01,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:00:01,018 INFO L495 AbstractCegarLoop]: Abstraction has 7255 states and 10498 transitions. [2022-11-19 07:00:01,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-19 07:00:01,019 INFO L276 IsEmpty]: Start isEmpty. Operand 7255 states and 10498 transitions. [2022-11-19 07:00:01,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-19 07:00:01,020 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:00:01,020 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 07:00:01,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-19 07:00:01,021 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-19 07:00:01,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:00:01,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1725018377, now seen corresponding path program 1 times [2022-11-19 07:00:01,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:00:01,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195627196] [2022-11-19 07:00:01,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:00:01,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:00:01,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:00:01,499 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 07:00:01,499 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:00:01,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195627196] [2022-11-19 07:00:01,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195627196] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:00:01,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:00:01,500 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:00:01,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183855985] [2022-11-19 07:00:01,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:00:01,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:00:01,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:00:01,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:00:01,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:00:01,503 INFO L87 Difference]: Start difference. First operand 7255 states and 10498 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-19 07:00:05,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:00:06,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:00:06,695 INFO L93 Difference]: Finished difference Result 7255 states and 10498 transitions. [2022-11-19 07:00:06,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:00:06,698 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (15), 2 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 75 [2022-11-19 07:00:06,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:00:06,733 INFO L225 Difference]: With dead ends: 7255 [2022-11-19 07:00:06,733 INFO L226 Difference]: Without dead ends: 7253 [2022-11-19 07:00:06,739 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:00:06,740 INFO L413 NwaCegarLoop]: 4263 mSDtfsCounter, 4758 mSDsluCounter, 4263 mSDsCounter, 0 mSdLazyCounter, 1049 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4766 SdHoareTripleChecker+Valid, 8526 SdHoareTripleChecker+Invalid, 1050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1049 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:00:06,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4766 Valid, 8526 Invalid, 1050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1049 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2022-11-19 07:00:06,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7253 states. [2022-11-19 07:00:07,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7253 to 7253. [2022-11-19 07:00:07,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7253 states, 4166 states have (on average 1.3127700432069132) internal successors, (5469), 4462 states have internal predecessors, (5469), 2508 states have call successors, (2508), 555 states have call predecessors, (2508), 554 states have return successors, (2519), 2451 states have call predecessors, (2519), 2506 states have call successors, (2519) [2022-11-19 07:00:07,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7253 states to 7253 states and 10496 transitions. [2022-11-19 07:00:07,355 INFO L78 Accepts]: Start accepts. Automaton has 7253 states and 10496 transitions. Word has length 75 [2022-11-19 07:00:07,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:00:07,356 INFO L495 AbstractCegarLoop]: Abstraction has 7253 states and 10496 transitions. [2022-11-19 07:00:07,356 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-19 07:00:07,356 INFO L276 IsEmpty]: Start isEmpty. Operand 7253 states and 10496 transitions. [2022-11-19 07:00:07,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-19 07:00:07,358 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:00:07,358 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 07:00:07,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-19 07:00:07,359 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-19 07:00:07,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:00:07,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1697444420, now seen corresponding path program 1 times [2022-11-19 07:00:07,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:00:07,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499897718] [2022-11-19 07:00:07,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:00:07,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:00:07,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:00:07,926 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 07:00:07,926 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:00:07,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499897718] [2022-11-19 07:00:07,927 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499897718] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:00:07,927 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:00:07,927 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:00:07,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973704531] [2022-11-19 07:00:07,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:00:07,928 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:00:07,928 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:00:07,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:00:07,929 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:00:07,929 INFO L87 Difference]: Start difference. First operand 7253 states and 10496 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-19 07:00:11,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:00:14,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:00:15,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:00:15,000 INFO L93 Difference]: Finished difference Result 7271 states and 10513 transitions. [2022-11-19 07:00:15,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:00:15,001 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (16), 2 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 80 [2022-11-19 07:00:15,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:00:15,035 INFO L225 Difference]: With dead ends: 7271 [2022-11-19 07:00:15,035 INFO L226 Difference]: Without dead ends: 7269 [2022-11-19 07:00:15,041 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:00:15,042 INFO L413 NwaCegarLoop]: 4683 mSDtfsCounter, 4714 mSDsluCounter, 5692 mSDsCounter, 0 mSdLazyCounter, 1203 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4729 SdHoareTripleChecker+Valid, 10375 SdHoareTripleChecker+Invalid, 1205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1203 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:00:15,042 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4729 Valid, 10375 Invalid, 1205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1203 Invalid, 2 Unknown, 0 Unchecked, 6.4s Time] [2022-11-19 07:00:15,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7269 states. [2022-11-19 07:00:15,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7269 to 7255. [2022-11-19 07:00:15,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7255 states, 4168 states have (on average 1.312380038387716) internal successors, (5470), 4462 states have internal predecessors, (5470), 2508 states have call successors, (2508), 555 states have call predecessors, (2508), 555 states have return successors, (2526), 2453 states have call predecessors, (2526), 2506 states have call successors, (2526) [2022-11-19 07:00:15,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7255 states to 7255 states and 10504 transitions. [2022-11-19 07:00:15,699 INFO L78 Accepts]: Start accepts. Automaton has 7255 states and 10504 transitions. Word has length 80 [2022-11-19 07:00:15,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:00:15,699 INFO L495 AbstractCegarLoop]: Abstraction has 7255 states and 10504 transitions. [2022-11-19 07:00:15,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (16), 2 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-11-19 07:00:15,700 INFO L276 IsEmpty]: Start isEmpty. Operand 7255 states and 10504 transitions. [2022-11-19 07:00:15,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-19 07:00:15,702 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:00:15,703 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 07:00:15,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-19 07:00:15,703 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-19 07:00:15,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:00:15,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1113806833, now seen corresponding path program 1 times [2022-11-19 07:00:15,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:00:15,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469104427] [2022-11-19 07:00:15,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:00:15,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:00:15,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:00:16,271 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 07:00:16,271 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:00:16,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469104427] [2022-11-19 07:00:16,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469104427] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:00:16,272 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:00:16,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:00:16,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063349739] [2022-11-19 07:00:16,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:00:16,273 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:00:16,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:00:16,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:00:16,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:00:16,274 INFO L87 Difference]: Start difference. First operand 7255 states and 10504 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-19 07:00:19,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:00:21,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:00:21,692 INFO L93 Difference]: Finished difference Result 7255 states and 10504 transitions. [2022-11-19 07:00:21,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:00:21,694 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (17), 2 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 85 [2022-11-19 07:00:21,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:00:21,731 INFO L225 Difference]: With dead ends: 7255 [2022-11-19 07:00:21,731 INFO L226 Difference]: Without dead ends: 7253 [2022-11-19 07:00:21,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:00:21,738 INFO L413 NwaCegarLoop]: 4258 mSDtfsCounter, 4754 mSDsluCounter, 4258 mSDsCounter, 0 mSdLazyCounter, 1051 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4762 SdHoareTripleChecker+Valid, 8516 SdHoareTripleChecker+Invalid, 1052 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1051 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:00:21,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4762 Valid, 8516 Invalid, 1052 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1051 Invalid, 1 Unknown, 0 Unchecked, 4.8s Time] [2022-11-19 07:00:21,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7253 states. [2022-11-19 07:00:22,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7253 to 7253. [2022-11-19 07:00:22,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7253 states, 4167 states have (on average 1.3122150227981761) internal successors, (5468), 4460 states have internal predecessors, (5468), 2508 states have call successors, (2508), 555 states have call predecessors, (2508), 555 states have return successors, (2526), 2453 states have call predecessors, (2526), 2506 states have call successors, (2526) [2022-11-19 07:00:22,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7253 states to 7253 states and 10502 transitions. [2022-11-19 07:00:22,461 INFO L78 Accepts]: Start accepts. Automaton has 7253 states and 10502 transitions. Word has length 85 [2022-11-19 07:00:22,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:00:22,463 INFO L495 AbstractCegarLoop]: Abstraction has 7253 states and 10502 transitions. [2022-11-19 07:00:22,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-19 07:00:22,463 INFO L276 IsEmpty]: Start isEmpty. Operand 7253 states and 10502 transitions. [2022-11-19 07:00:22,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-19 07:00:22,465 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:00:22,465 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 07:00:22,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-19 07:00:22,466 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-19 07:00:22,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:00:22,466 INFO L85 PathProgramCache]: Analyzing trace with hash -542896034, now seen corresponding path program 1 times [2022-11-19 07:00:22,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:00:22,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289676903] [2022-11-19 07:00:22,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:00:22,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:00:22,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:00:23,014 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 07:00:23,014 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:00:23,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1289676903] [2022-11-19 07:00:23,015 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1289676903] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:00:23,015 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:00:23,015 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:00:23,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009462413] [2022-11-19 07:00:23,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:00:23,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:00:23,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:00:23,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:00:23,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:00:23,017 INFO L87 Difference]: Start difference. First operand 7253 states and 10502 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-19 07:00:26,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:00:28,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:00:28,061 INFO L93 Difference]: Finished difference Result 7253 states and 10502 transitions. [2022-11-19 07:00:28,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:00:28,063 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (18), 2 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 90 [2022-11-19 07:00:28,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:00:28,095 INFO L225 Difference]: With dead ends: 7253 [2022-11-19 07:00:28,095 INFO L226 Difference]: Without dead ends: 7251 [2022-11-19 07:00:28,101 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:00:28,101 INFO L413 NwaCegarLoop]: 4257 mSDtfsCounter, 4751 mSDsluCounter, 4257 mSDsCounter, 0 mSdLazyCounter, 1049 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4759 SdHoareTripleChecker+Valid, 8514 SdHoareTripleChecker+Invalid, 1050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1049 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:00:28,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4759 Valid, 8514 Invalid, 1050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1049 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2022-11-19 07:00:28,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7251 states. [2022-11-19 07:00:28,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7251 to 7251. [2022-11-19 07:00:28,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7251 states, 4166 states have (on average 1.312049927988478) internal successors, (5466), 4458 states have internal predecessors, (5466), 2508 states have call successors, (2508), 555 states have call predecessors, (2508), 555 states have return successors, (2526), 2453 states have call predecessors, (2526), 2506 states have call successors, (2526) [2022-11-19 07:00:28,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7251 states to 7251 states and 10500 transitions. [2022-11-19 07:00:28,998 INFO L78 Accepts]: Start accepts. Automaton has 7251 states and 10500 transitions. Word has length 90 [2022-11-19 07:00:28,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:00:28,999 INFO L495 AbstractCegarLoop]: Abstraction has 7251 states and 10500 transitions. [2022-11-19 07:00:28,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-19 07:00:29,000 INFO L276 IsEmpty]: Start isEmpty. Operand 7251 states and 10500 transitions. [2022-11-19 07:00:29,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-19 07:00:29,007 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:00:29,007 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 07:00:29,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-19 07:00:29,008 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-19 07:00:29,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:00:29,008 INFO L85 PathProgramCache]: Analyzing trace with hash -116430934, now seen corresponding path program 1 times [2022-11-19 07:00:29,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:00:29,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757361708] [2022-11-19 07:00:29,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:00:29,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:00:29,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:00:29,485 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 07:00:29,485 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:00:29,485 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757361708] [2022-11-19 07:00:29,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757361708] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:00:29,486 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:00:29,486 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:00:29,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528454901] [2022-11-19 07:00:29,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:00:29,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:00:29,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:00:29,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:00:29,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:00:29,488 INFO L87 Difference]: Start difference. First operand 7251 states and 10500 transitions. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-19 07:00:33,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:00:35,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:00:37,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:00:39,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:00:39,806 INFO L93 Difference]: Finished difference Result 11037 states and 15932 transitions. [2022-11-19 07:00:39,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:00:39,808 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (19), 2 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 95 [2022-11-19 07:00:39,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:00:39,856 INFO L225 Difference]: With dead ends: 11037 [2022-11-19 07:00:39,856 INFO L226 Difference]: Without dead ends: 11035 [2022-11-19 07:00:39,865 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:00:39,866 INFO L413 NwaCegarLoop]: 5601 mSDtfsCounter, 4266 mSDsluCounter, 9892 mSDsCounter, 0 mSdLazyCounter, 1697 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4268 SdHoareTripleChecker+Valid, 15493 SdHoareTripleChecker+Invalid, 1699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1697 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:00:39,867 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4268 Valid, 15493 Invalid, 1699 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 1697 Invalid, 1 Unknown, 0 Unchecked, 9.2s Time] [2022-11-19 07:00:39,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11035 states. [2022-11-19 07:00:40,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11035 to 10934. [2022-11-19 07:00:40,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10934 states, 6272 states have (on average 1.310108418367347) internal successors, (8217), 6711 states have internal predecessors, (8217), 3775 states have call successors, (3775), 867 states have call predecessors, (3775), 865 states have return successors, (3828), 3676 states have call predecessors, (3828), 3773 states have call successors, (3828) [2022-11-19 07:00:40,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10934 states to 10934 states and 15820 transitions. [2022-11-19 07:00:40,949 INFO L78 Accepts]: Start accepts. Automaton has 10934 states and 15820 transitions. Word has length 95 [2022-11-19 07:00:40,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:00:40,949 INFO L495 AbstractCegarLoop]: Abstraction has 10934 states and 15820 transitions. [2022-11-19 07:00:40,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 2 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-19 07:00:40,950 INFO L276 IsEmpty]: Start isEmpty. Operand 10934 states and 15820 transitions. [2022-11-19 07:00:40,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-11-19 07:00:40,952 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:00:40,952 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 07:00:40,959 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-19 07:00:40,959 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-19 07:00:40,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:00:40,960 INFO L85 PathProgramCache]: Analyzing trace with hash 707645782, now seen corresponding path program 1 times [2022-11-19 07:00:40,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:00:40,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014815731] [2022-11-19 07:00:40,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:00:40,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:00:41,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:00:41,445 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 07:00:41,445 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:00:41,445 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014815731] [2022-11-19 07:00:41,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014815731] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:00:41,446 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:00:41,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:00:41,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908351577] [2022-11-19 07:00:41,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:00:41,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:00:41,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:00:41,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:00:41,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:00:41,448 INFO L87 Difference]: Start difference. First operand 10934 states and 15820 transitions. Second operand has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-19 07:00:45,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:00:46,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:00:46,686 INFO L93 Difference]: Finished difference Result 10934 states and 15820 transitions. [2022-11-19 07:00:46,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:00:46,688 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (20), 2 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 100 [2022-11-19 07:00:46,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:00:46,727 INFO L225 Difference]: With dead ends: 10934 [2022-11-19 07:00:46,727 INFO L226 Difference]: Without dead ends: 10932 [2022-11-19 07:00:46,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:00:46,734 INFO L413 NwaCegarLoop]: 4255 mSDtfsCounter, 4747 mSDsluCounter, 4255 mSDsCounter, 0 mSdLazyCounter, 1049 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4755 SdHoareTripleChecker+Valid, 8510 SdHoareTripleChecker+Invalid, 1050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1049 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:00:46,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4755 Valid, 8510 Invalid, 1050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1049 Invalid, 1 Unknown, 0 Unchecked, 4.2s Time] [2022-11-19 07:00:46,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10932 states. [2022-11-19 07:00:48,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10932 to 10932. [2022-11-19 07:00:48,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10932 states, 6271 states have (on average 1.3099984053579972) internal successors, (8215), 6709 states have internal predecessors, (8215), 3775 states have call successors, (3775), 867 states have call predecessors, (3775), 865 states have return successors, (3828), 3676 states have call predecessors, (3828), 3773 states have call successors, (3828) [2022-11-19 07:00:48,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10932 states to 10932 states and 15818 transitions. [2022-11-19 07:00:48,056 INFO L78 Accepts]: Start accepts. Automaton has 10932 states and 15818 transitions. Word has length 100 [2022-11-19 07:00:48,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:00:48,057 INFO L495 AbstractCegarLoop]: Abstraction has 10932 states and 15818 transitions. [2022-11-19 07:00:48,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.25) internal successors, (57), 4 states have internal predecessors, (57), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-19 07:00:48,057 INFO L276 IsEmpty]: Start isEmpty. Operand 10932 states and 15818 transitions. [2022-11-19 07:00:48,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-11-19 07:00:48,059 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:00:48,060 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 07:00:48,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-19 07:00:48,060 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-19 07:00:48,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:00:48,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1346969, now seen corresponding path program 1 times [2022-11-19 07:00:48,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:00:48,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024570850] [2022-11-19 07:00:48,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:00:48,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:00:48,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:00:48,640 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 07:00:48,640 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:00:48,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024570850] [2022-11-19 07:00:48,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024570850] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:00:48,641 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:00:48,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:00:48,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559373196] [2022-11-19 07:00:48,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:00:48,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:00:48,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:00:48,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:00:48,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:00:48,643 INFO L87 Difference]: Start difference. First operand 10932 states and 15818 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-19 07:00:51,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:00:53,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:00:55,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:00:55,555 INFO L93 Difference]: Finished difference Result 10932 states and 15818 transitions. [2022-11-19 07:00:55,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:00:55,557 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (21), 2 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 105 [2022-11-19 07:00:55,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:00:55,596 INFO L225 Difference]: With dead ends: 10932 [2022-11-19 07:00:55,596 INFO L226 Difference]: Without dead ends: 10930 [2022-11-19 07:00:55,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:00:55,603 INFO L413 NwaCegarLoop]: 4253 mSDtfsCounter, 4751 mSDsluCounter, 4253 mSDsCounter, 0 mSdLazyCounter, 1050 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4753 SdHoareTripleChecker+Valid, 8506 SdHoareTripleChecker+Invalid, 1051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1050 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:00:55,604 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4753 Valid, 8506 Invalid, 1051 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1050 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2022-11-19 07:00:55,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10930 states. [2022-11-19 07:00:56,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10930 to 10930. [2022-11-19 07:00:56,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10930 states, 6270 states have (on average 1.3098883572567783) internal successors, (8213), 6707 states have internal predecessors, (8213), 3775 states have call successors, (3775), 867 states have call predecessors, (3775), 865 states have return successors, (3828), 3676 states have call predecessors, (3828), 3773 states have call successors, (3828) [2022-11-19 07:00:56,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10930 states to 10930 states and 15816 transitions. [2022-11-19 07:00:56,900 INFO L78 Accepts]: Start accepts. Automaton has 10930 states and 15816 transitions. Word has length 105 [2022-11-19 07:00:56,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:00:56,901 INFO L495 AbstractCegarLoop]: Abstraction has 10930 states and 15816 transitions. [2022-11-19 07:00:56,901 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-19 07:00:56,901 INFO L276 IsEmpty]: Start isEmpty. Operand 10930 states and 15816 transitions. [2022-11-19 07:00:56,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-19 07:00:56,903 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:00:56,903 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 07:00:56,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-19 07:00:56,903 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-19 07:00:56,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:00:56,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1968651091, now seen corresponding path program 1 times [2022-11-19 07:00:56,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:00:56,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793263729] [2022-11-19 07:00:56,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:00:56,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:00:57,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:00:58,008 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 07:00:58,008 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:00:58,008 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793263729] [2022-11-19 07:00:58,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793263729] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:00:58,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:00:58,011 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:00:58,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232538069] [2022-11-19 07:00:58,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:00:58,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:00:58,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:00:58,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:00:58,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:00:58,013 INFO L87 Difference]: Start difference. First operand 10930 states and 15816 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-19 07:01:01,919 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:01:03,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:01:04,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:01:04,458 INFO L93 Difference]: Finished difference Result 10930 states and 15816 transitions. [2022-11-19 07:01:04,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:01:04,460 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (22), 2 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 110 [2022-11-19 07:01:04,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:01:04,503 INFO L225 Difference]: With dead ends: 10930 [2022-11-19 07:01:04,504 INFO L226 Difference]: Without dead ends: 10928 [2022-11-19 07:01:04,511 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:01:04,512 INFO L413 NwaCegarLoop]: 4251 mSDtfsCounter, 4741 mSDsluCounter, 4251 mSDsCounter, 0 mSdLazyCounter, 1049 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4749 SdHoareTripleChecker+Valid, 8502 SdHoareTripleChecker+Invalid, 1050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1049 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:01:04,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4749 Valid, 8502 Invalid, 1050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1049 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time] [2022-11-19 07:01:04,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10928 states. [2022-11-19 07:01:05,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10928 to 10928. [2022-11-19 07:01:05,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10928 states, 6269 states have (on average 1.3097782740468975) internal successors, (8211), 6705 states have internal predecessors, (8211), 3775 states have call successors, (3775), 867 states have call predecessors, (3775), 865 states have return successors, (3828), 3676 states have call predecessors, (3828), 3773 states have call successors, (3828) [2022-11-19 07:01:05,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10928 states to 10928 states and 15814 transitions. [2022-11-19 07:01:05,787 INFO L78 Accepts]: Start accepts. Automaton has 10928 states and 15814 transitions. Word has length 110 [2022-11-19 07:01:05,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:01:05,788 INFO L495 AbstractCegarLoop]: Abstraction has 10928 states and 15814 transitions. [2022-11-19 07:01:05,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-19 07:01:05,788 INFO L276 IsEmpty]: Start isEmpty. Operand 10928 states and 15814 transitions. [2022-11-19 07:01:05,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-19 07:01:05,790 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:01:05,790 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:01:05,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-19 07:01:05,791 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-19 07:01:05,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:01:05,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1309063866, now seen corresponding path program 1 times [2022-11-19 07:01:05,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:01:05,791 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602321568] [2022-11-19 07:01:05,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:01:05,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:01:05,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:01:06,313 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 07:01:06,313 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:01:06,314 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602321568] [2022-11-19 07:01:06,314 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602321568] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:01:06,314 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:01:06,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:01:06,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869633929] [2022-11-19 07:01:06,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:01:06,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:01:06,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:01:06,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:01:06,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:01:06,317 INFO L87 Difference]: Start difference. First operand 10928 states and 15814 transitions. Second operand has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-19 07:01:10,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:01:10,502 INFO L93 Difference]: Finished difference Result 10928 states and 15814 transitions. [2022-11-19 07:01:10,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:01:10,504 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (23), 2 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 115 [2022-11-19 07:01:10,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:01:10,534 INFO L225 Difference]: With dead ends: 10928 [2022-11-19 07:01:10,534 INFO L226 Difference]: Without dead ends: 10926 [2022-11-19 07:01:10,540 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:01:10,540 INFO L413 NwaCegarLoop]: 4249 mSDtfsCounter, 4745 mSDsluCounter, 4249 mSDsCounter, 0 mSdLazyCounter, 1051 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4747 SdHoareTripleChecker+Valid, 8498 SdHoareTripleChecker+Invalid, 1051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1051 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:01:10,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4747 Valid, 8498 Invalid, 1051 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1051 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-19 07:01:10,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10926 states. [2022-11-19 07:01:11,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10926 to 10926. [2022-11-19 07:01:11,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10926 states, 6268 states have (on average 1.3096681557115508) internal successors, (8209), 6703 states have internal predecessors, (8209), 3775 states have call successors, (3775), 867 states have call predecessors, (3775), 865 states have return successors, (3828), 3676 states have call predecessors, (3828), 3773 states have call successors, (3828) [2022-11-19 07:01:11,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10926 states to 10926 states and 15812 transitions. [2022-11-19 07:01:11,616 INFO L78 Accepts]: Start accepts. Automaton has 10926 states and 15812 transitions. Word has length 115 [2022-11-19 07:01:11,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:01:11,617 INFO L495 AbstractCegarLoop]: Abstraction has 10926 states and 15812 transitions. [2022-11-19 07:01:11,617 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 2 states have call successors, (23), 2 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-19 07:01:11,617 INFO L276 IsEmpty]: Start isEmpty. Operand 10926 states and 15812 transitions. [2022-11-19 07:01:11,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-19 07:01:11,620 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:01:11,620 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 07:01:11,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-19 07:01:11,620 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-19 07:01:11,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:01:11,621 INFO L85 PathProgramCache]: Analyzing trace with hash -329494769, now seen corresponding path program 1 times [2022-11-19 07:01:11,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:01:11,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127133608] [2022-11-19 07:01:11,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:01:11,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:01:11,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:01:12,095 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 07:01:12,095 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:01:12,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127133608] [2022-11-19 07:01:12,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127133608] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:01:12,096 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:01:12,096 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:01:12,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192617074] [2022-11-19 07:01:12,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:01:12,097 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:01:12,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:01:12,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:01:12,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:01:12,098 INFO L87 Difference]: Start difference. First operand 10926 states and 15812 transitions. Second operand has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-19 07:01:15,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:01:17,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:01:17,871 INFO L93 Difference]: Finished difference Result 10926 states and 15812 transitions. [2022-11-19 07:01:17,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:01:17,874 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 120 [2022-11-19 07:01:17,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:01:17,904 INFO L225 Difference]: With dead ends: 10926 [2022-11-19 07:01:17,904 INFO L226 Difference]: Without dead ends: 10924 [2022-11-19 07:01:17,910 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:01:17,911 INFO L413 NwaCegarLoop]: 4247 mSDtfsCounter, 4735 mSDsluCounter, 4247 mSDsCounter, 0 mSdLazyCounter, 1049 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4743 SdHoareTripleChecker+Valid, 8494 SdHoareTripleChecker+Invalid, 1050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1049 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2022-11-19 07:01:17,911 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4743 Valid, 8494 Invalid, 1050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1049 Invalid, 1 Unknown, 0 Unchecked, 4.6s Time] [2022-11-19 07:01:17,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10924 states. [2022-11-19 07:01:18,981 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10924 to 10924. [2022-11-19 07:01:18,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10924 states, 6267 states have (on average 1.3095580022339237) internal successors, (8207), 6701 states have internal predecessors, (8207), 3775 states have call successors, (3775), 867 states have call predecessors, (3775), 865 states have return successors, (3828), 3676 states have call predecessors, (3828), 3773 states have call successors, (3828) [2022-11-19 07:01:19,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10924 states to 10924 states and 15810 transitions. [2022-11-19 07:01:19,034 INFO L78 Accepts]: Start accepts. Automaton has 10924 states and 15810 transitions. Word has length 120 [2022-11-19 07:01:19,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:01:19,035 INFO L495 AbstractCegarLoop]: Abstraction has 10924 states and 15810 transitions. [2022-11-19 07:01:19,035 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.25) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-11-19 07:01:19,035 INFO L276 IsEmpty]: Start isEmpty. Operand 10924 states and 15810 transitions. [2022-11-19 07:01:19,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-11-19 07:01:19,038 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:01:19,038 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 07:01:19,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-19 07:01:19,038 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-19 07:01:19,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:01:19,038 INFO L85 PathProgramCache]: Analyzing trace with hash -268100126, now seen corresponding path program 1 times [2022-11-19 07:01:19,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:01:19,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841351299] [2022-11-19 07:01:19,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:01:19,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:01:19,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:01:19,538 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 07:01:19,538 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:01:19,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841351299] [2022-11-19 07:01:19,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841351299] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:01:19,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:01:19,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:01:19,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610324170] [2022-11-19 07:01:19,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:01:19,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:01:19,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:01:19,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:01:19,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:01:19,543 INFO L87 Difference]: Start difference. First operand 10924 states and 15810 transitions. Second operand has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-19 07:01:23,203 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:01:25,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:01:25,243 INFO L93 Difference]: Finished difference Result 10924 states and 15810 transitions. [2022-11-19 07:01:25,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:01:25,245 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 125 [2022-11-19 07:01:25,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:01:25,272 INFO L225 Difference]: With dead ends: 10924 [2022-11-19 07:01:25,272 INFO L226 Difference]: Without dead ends: 10922 [2022-11-19 07:01:25,276 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:01:25,276 INFO L413 NwaCegarLoop]: 4245 mSDtfsCounter, 4732 mSDsluCounter, 4245 mSDsCounter, 0 mSdLazyCounter, 1049 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4740 SdHoareTripleChecker+Valid, 8490 SdHoareTripleChecker+Invalid, 1050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1049 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:01:25,277 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4740 Valid, 8490 Invalid, 1050 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1049 Invalid, 1 Unknown, 0 Unchecked, 4.4s Time] [2022-11-19 07:01:25,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10922 states. [2022-11-19 07:01:26,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10922 to 10922. [2022-11-19 07:01:26,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10922 states, 6266 states have (on average 1.3094478135971912) internal successors, (8205), 6699 states have internal predecessors, (8205), 3775 states have call successors, (3775), 867 states have call predecessors, (3775), 865 states have return successors, (3828), 3676 states have call predecessors, (3828), 3773 states have call successors, (3828) [2022-11-19 07:01:26,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10922 states to 10922 states and 15808 transitions. [2022-11-19 07:01:26,570 INFO L78 Accepts]: Start accepts. Automaton has 10922 states and 15808 transitions. Word has length 125 [2022-11-19 07:01:26,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:01:26,571 INFO L495 AbstractCegarLoop]: Abstraction has 10922 states and 15808 transitions. [2022-11-19 07:01:26,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-19 07:01:26,571 INFO L276 IsEmpty]: Start isEmpty. Operand 10922 states and 15808 transitions. [2022-11-19 07:01:26,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-19 07:01:26,575 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:01:26,575 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 07:01:26,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-19 07:01:26,577 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-19 07:01:26,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:01:26,578 INFO L85 PathProgramCache]: Analyzing trace with hash 866518276, now seen corresponding path program 1 times [2022-11-19 07:01:26,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:01:26,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183798070] [2022-11-19 07:01:26,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:01:26,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:01:26,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:01:27,058 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 07:01:27,058 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:01:27,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183798070] [2022-11-19 07:01:27,059 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183798070] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:01:27,059 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:01:27,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:01:27,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286871265] [2022-11-19 07:01:27,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:01:27,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:01:27,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:01:27,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:01:27,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:01:27,062 INFO L87 Difference]: Start difference. First operand 10922 states and 15808 transitions. Second operand has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-19 07:01:29,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:01:31,185 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:01:33,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:01:33,450 INFO L93 Difference]: Finished difference Result 10922 states and 15808 transitions. [2022-11-19 07:01:33,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:01:33,452 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 130 [2022-11-19 07:01:33,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:01:33,481 INFO L225 Difference]: With dead ends: 10922 [2022-11-19 07:01:33,481 INFO L226 Difference]: Without dead ends: 10920 [2022-11-19 07:01:33,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:01:33,486 INFO L413 NwaCegarLoop]: 4243 mSDtfsCounter, 4736 mSDsluCounter, 4243 mSDsCounter, 0 mSdLazyCounter, 1051 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4738 SdHoareTripleChecker+Valid, 8486 SdHoareTripleChecker+Invalid, 1051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1051 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:01:33,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4738 Valid, 8486 Invalid, 1051 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1051 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-11-19 07:01:33,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10920 states. [2022-11-19 07:01:34,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10920 to 10920. [2022-11-19 07:01:34,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10920 states, 6265 states have (on average 1.3093375897845172) internal successors, (8203), 6697 states have internal predecessors, (8203), 3775 states have call successors, (3775), 867 states have call predecessors, (3775), 865 states have return successors, (3828), 3676 states have call predecessors, (3828), 3773 states have call successors, (3828) [2022-11-19 07:01:34,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10920 states to 10920 states and 15806 transitions. [2022-11-19 07:01:34,698 INFO L78 Accepts]: Start accepts. Automaton has 10920 states and 15806 transitions. Word has length 130 [2022-11-19 07:01:34,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:01:34,699 INFO L495 AbstractCegarLoop]: Abstraction has 10920 states and 15806 transitions. [2022-11-19 07:01:34,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-11-19 07:01:34,699 INFO L276 IsEmpty]: Start isEmpty. Operand 10920 states and 15806 transitions. [2022-11-19 07:01:34,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2022-11-19 07:01:34,703 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:01:34,703 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-19 07:01:34,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-19 07:01:34,704 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-19 07:01:34,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:01:34,704 INFO L85 PathProgramCache]: Analyzing trace with hash -978888146, now seen corresponding path program 1 times [2022-11-19 07:01:34,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:01:34,705 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723601371] [2022-11-19 07:01:34,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:01:34,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:01:34,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:01:35,185 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-11-19 07:01:35,186 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:01:35,186 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723601371] [2022-11-19 07:01:35,186 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723601371] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:01:35,186 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:01:35,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:01:35,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970305236] [2022-11-19 07:01:35,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:01:35,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:01:35,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:01:35,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:01:35,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:01:35,189 INFO L87 Difference]: Start difference. First operand 10920 states and 15806 transitions. Second operand has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-19 07:01:40,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:01:40,103 INFO L93 Difference]: Finished difference Result 10920 states and 15806 transitions. [2022-11-19 07:01:40,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:01:40,105 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 135 [2022-11-19 07:01:40,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:01:40,156 INFO L225 Difference]: With dead ends: 10920 [2022-11-19 07:01:40,156 INFO L226 Difference]: Without dead ends: 10755 [2022-11-19 07:01:40,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:01:40,168 INFO L413 NwaCegarLoop]: 4242 mSDtfsCounter, 4733 mSDsluCounter, 4242 mSDsCounter, 0 mSdLazyCounter, 1051 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4733 SdHoareTripleChecker+Valid, 8484 SdHoareTripleChecker+Invalid, 1051 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1051 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:01:40,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4733 Valid, 8484 Invalid, 1051 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1051 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2022-11-19 07:01:40,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10755 states. [2022-11-19 07:01:41,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10755 to 10755. [2022-11-19 07:01:41,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10755 states, 6179 states have (on average 1.312833791875708) internal successors, (8112), 6609 states have internal predecessors, (8112), 3721 states have call successors, (3721), 843 states have call predecessors, (3721), 841 states have return successors, (3773), 3623 states have call predecessors, (3773), 3719 states have call successors, (3773) [2022-11-19 07:01:41,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10755 states to 10755 states and 15606 transitions. [2022-11-19 07:01:41,400 INFO L78 Accepts]: Start accepts. Automaton has 10755 states and 15606 transitions. Word has length 135 [2022-11-19 07:01:41,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:01:41,400 INFO L495 AbstractCegarLoop]: Abstraction has 10755 states and 15606 transitions. [2022-11-19 07:01:41,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 19.5) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-19 07:01:41,401 INFO L276 IsEmpty]: Start isEmpty. Operand 10755 states and 15606 transitions. [2022-11-19 07:01:41,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-11-19 07:01:41,407 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:01:41,407 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:01:41,407 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-19 07:01:41,408 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting rcu_read_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-19 07:01:41,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:01:41,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1097375838, now seen corresponding path program 1 times [2022-11-19 07:01:41,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:01:41,409 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726091783] [2022-11-19 07:01:41,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:01:41,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:01:41,548 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:01:41,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1309109347] [2022-11-19 07:01:41,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:01:41,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:01:41,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:01:41,559 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:01:41,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:01:43,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:01:43,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 4942 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-19 07:01:43,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:01:44,003 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 51 proven. 7 refuted. 0 times theorem prover too weak. 557 trivial. 0 not checked. [2022-11-19 07:01:44,003 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:01:44,539 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 611 trivial. 0 not checked. [2022-11-19 07:01:44,540 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:01:44,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726091783] [2022-11-19 07:01:44,540 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:01:44,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1309109347] [2022-11-19 07:01:44,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1309109347] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-19 07:01:44,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:01:44,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 10 [2022-11-19 07:01:44,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196744946] [2022-11-19 07:01:44,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:01:44,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-19 07:01:44,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:01:44,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-19 07:01:44,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-11-19 07:01:44,543 INFO L87 Difference]: Start difference. First operand 10755 states and 15606 transitions. Second operand has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 4 states have call successors, (27), 4 states have call predecessors, (27), 3 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-19 07:01:51,816 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:01:58,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:01:58,855 INFO L93 Difference]: Finished difference Result 10771 states and 15614 transitions. [2022-11-19 07:01:58,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 07:01:58,856 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 4 states have call successors, (27), 4 states have call predecessors, (27), 3 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) Word has length 208 [2022-11-19 07:01:58,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:01:58,890 INFO L225 Difference]: With dead ends: 10771 [2022-11-19 07:01:58,890 INFO L226 Difference]: Without dead ends: 10769 [2022-11-19 07:01:58,897 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 416 GetRequests, 398 SyntacticMatches, 8 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-11-19 07:01:58,898 INFO L413 NwaCegarLoop]: 4189 mSDtfsCounter, 4868 mSDsluCounter, 4906 mSDsCounter, 0 mSdLazyCounter, 4872 mSolverCounterSat, 153 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4874 SdHoareTripleChecker+Valid, 9095 SdHoareTripleChecker+Invalid, 5026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 4872 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:01:58,899 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4874 Valid, 9095 Invalid, 5026 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [153 Valid, 4872 Invalid, 1 Unknown, 0 Unchecked, 12.5s Time] [2022-11-19 07:01:58,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10769 states. [2022-11-19 07:02:00,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10769 to 10769. [2022-11-19 07:02:00,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10769 states, 6186 states have (on average 1.3121564823795668) internal successors, (8117), 6615 states have internal predecessors, (8117), 3721 states have call successors, (3721), 851 states have call predecessors, (3721), 849 states have return successors, (3773), 3623 states have call predecessors, (3773), 3719 states have call successors, (3773) [2022-11-19 07:02:00,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10769 states to 10769 states and 15611 transitions. [2022-11-19 07:02:00,290 INFO L78 Accepts]: Start accepts. Automaton has 10769 states and 15611 transitions. Word has length 208 [2022-11-19 07:02:00,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:02:00,290 INFO L495 AbstractCegarLoop]: Abstraction has 10769 states and 15611 transitions. [2022-11-19 07:02:00,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 4 states have call successors, (27), 4 states have call predecessors, (27), 3 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23) [2022-11-19 07:02:00,291 INFO L276 IsEmpty]: Start isEmpty. Operand 10769 states and 15611 transitions. [2022-11-19 07:02:00,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-11-19 07:02:00,295 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:02:00,295 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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] [2022-11-19 07:02:00,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 07:02:00,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2022-11-19 07:02:00,518 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-19 07:02:00,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:02:00,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1860343843, now seen corresponding path program 1 times [2022-11-19 07:02:00,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:02:00,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852663138] [2022-11-19 07:02:00,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:02:00,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:02:00,660 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:02:00,660 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [952058887] [2022-11-19 07:02:00,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:02:00,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:02:00,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:02:00,662 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:02:00,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 07:02:03,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:02:03,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 5042 conjuncts, 29 conjunts are in the unsatisfiable core [2022-11-19 07:02:03,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:02:04,029 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2022-11-19 07:02:04,030 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:02:04,739 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2022-11-19 07:02:04,740 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:02:04,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852663138] [2022-11-19 07:02:04,740 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:02:04,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [952058887] [2022-11-19 07:02:04,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [952058887] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-19 07:02:04,740 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:02:04,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 17 [2022-11-19 07:02:04,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737159703] [2022-11-19 07:02:04,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:02:04,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-19 07:02:04,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:02:04,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-19 07:02:04,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2022-11-19 07:02:04,742 INFO L87 Difference]: Start difference. First operand 10769 states and 15611 transitions. Second operand has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (19), 4 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-19 07:02:13,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:02:18,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:02:22,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:02:22,301 INFO L93 Difference]: Finished difference Result 10787 states and 15628 transitions. [2022-11-19 07:02:22,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 07:02:22,302 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (19), 4 states have call predecessors, (19), 2 states have call successors, (19) Word has length 193 [2022-11-19 07:02:22,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:02:22,348 INFO L225 Difference]: With dead ends: 10787 [2022-11-19 07:02:22,348 INFO L226 Difference]: Without dead ends: 10785 [2022-11-19 07:02:22,358 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 387 GetRequests, 369 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=298, Unknown=0, NotChecked=0, Total=380 [2022-11-19 07:02:22,359 INFO L413 NwaCegarLoop]: 4613 mSDtfsCounter, 7088 mSDsluCounter, 13614 mSDsCounter, 0 mSdLazyCounter, 4607 mSolverCounterSat, 2259 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7100 SdHoareTripleChecker+Valid, 18227 SdHoareTripleChecker+Invalid, 6868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2259 IncrementalHoareTripleChecker+Valid, 4607 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:02:22,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7100 Valid, 18227 Invalid, 6868 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2259 Valid, 4607 Invalid, 2 Unknown, 0 Unchecked, 15.3s Time] [2022-11-19 07:02:22,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10785 states. [2022-11-19 07:02:23,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10785 to 10769. [2022-11-19 07:02:23,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10769 states, 6186 states have (on average 1.3116715163271904) internal successors, (8114), 6615 states have internal predecessors, (8114), 3721 states have call successors, (3721), 851 states have call predecessors, (3721), 849 states have return successors, (3773), 3623 states have call predecessors, (3773), 3719 states have call successors, (3773) [2022-11-19 07:02:23,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10769 states to 10769 states and 15608 transitions. [2022-11-19 07:02:23,809 INFO L78 Accepts]: Start accepts. Automaton has 10769 states and 15608 transitions. Word has length 193 [2022-11-19 07:02:23,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:02:23,810 INFO L495 AbstractCegarLoop]: Abstraction has 10769 states and 15608 transitions. [2022-11-19 07:02:23,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.285714285714286) internal successors, (58), 6 states have internal predecessors, (58), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (19), 4 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-19 07:02:23,811 INFO L276 IsEmpty]: Start isEmpty. Operand 10769 states and 15608 transitions. [2022-11-19 07:02:23,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2022-11-19 07:02:23,816 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:02:23,816 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:02:23,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 07:02:24,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-11-19 07:02:24,032 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_check_alloc_flagsErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-19 07:02:24,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:02:24,032 INFO L85 PathProgramCache]: Analyzing trace with hash -30699238, now seen corresponding path program 1 times [2022-11-19 07:02:24,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:02:24,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911502809] [2022-11-19 07:02:24,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:02:24,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:02:24,199 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:02:24,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [15088814] [2022-11-19 07:02:24,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:02:24,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:02:24,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:02:24,201 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:02:24,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 07:02:26,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:02:26,194 INFO L263 TraceCheckSpWp]: Trace formula consists of 5177 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 07:02:26,202 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:02:26,660 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 615 trivial. 0 not checked. [2022-11-19 07:02:26,660 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:02:26,660 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:02:26,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911502809] [2022-11-19 07:02:26,660 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:02:26,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [15088814] [2022-11-19 07:02:26,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [15088814] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:02:26,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:02:26,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:02:26,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963668822] [2022-11-19 07:02:26,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:02:26,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:02:26,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:02:26,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:02:26,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:02:26,663 INFO L87 Difference]: Start difference. First operand 10769 states and 15608 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 2 states have internal predecessors, (68), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-19 07:02:30,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:02:30,497 INFO L93 Difference]: Finished difference Result 21519 states and 31389 transitions. [2022-11-19 07:02:30,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:02:30,500 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 2 states have internal predecessors, (68), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 217 [2022-11-19 07:02:30,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:02:30,538 INFO L225 Difference]: With dead ends: 21519 [2022-11-19 07:02:30,538 INFO L226 Difference]: Without dead ends: 10757 [2022-11-19 07:02:30,613 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:02:30,613 INFO L413 NwaCegarLoop]: 4186 mSDtfsCounter, 4590 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 518 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4590 SdHoareTripleChecker+Valid, 4186 SdHoareTripleChecker+Invalid, 518 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 518 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:02:30,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4590 Valid, 4186 Invalid, 518 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 518 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-11-19 07:02:30,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10757 states. [2022-11-19 07:02:32,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10757 to 10757. [2022-11-19 07:02:32,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10757 states, 6175 states have (on average 1.3106072874493928) internal successors, (8093), 6603 states have internal predecessors, (8093), 3721 states have call successors, (3721), 851 states have call predecessors, (3721), 849 states have return successors, (3773), 3623 states have call predecessors, (3773), 3719 states have call successors, (3773) [2022-11-19 07:02:32,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10757 states to 10757 states and 15587 transitions. [2022-11-19 07:02:32,075 INFO L78 Accepts]: Start accepts. Automaton has 10757 states and 15587 transitions. Word has length 217 [2022-11-19 07:02:32,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:02:32,076 INFO L495 AbstractCegarLoop]: Abstraction has 10757 states and 15587 transitions. [2022-11-19 07:02:32,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 2 states have internal predecessors, (68), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2022-11-19 07:02:32,076 INFO L276 IsEmpty]: Start isEmpty. Operand 10757 states and 15587 transitions. [2022-11-19 07:02:32,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2022-11-19 07:02:32,081 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:02:32,081 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:02:32,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 07:02:32,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:02:32,299 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-19 07:02:32,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:02:32,300 INFO L85 PathProgramCache]: Analyzing trace with hash -853858062, now seen corresponding path program 1 times [2022-11-19 07:02:32,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:02:32,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237296337] [2022-11-19 07:02:32,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:02:32,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:02:32,437 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:02:32,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2143672885] [2022-11-19 07:02:32,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:02:32,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:02:32,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:02:32,439 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:02:32,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 07:02:34,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:02:34,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 5091 conjuncts, 39 conjunts are in the unsatisfiable core [2022-11-19 07:02:34,269 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:02:34,715 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 51 proven. 7 refuted. 0 times theorem prover too weak. 557 trivial. 0 not checked. [2022-11-19 07:02:34,715 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:02:35,170 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 611 trivial. 0 not checked. [2022-11-19 07:02:35,170 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:02:35,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237296337] [2022-11-19 07:02:35,170 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:02:35,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2143672885] [2022-11-19 07:02:35,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2143672885] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-19 07:02:35,171 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:02:35,171 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 11 [2022-11-19 07:02:35,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091145465] [2022-11-19 07:02:35,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:02:35,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-19 07:02:35,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:02:35,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-19 07:02:35,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2022-11-19 07:02:35,173 INFO L87 Difference]: Start difference. First operand 10757 states and 15587 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 6 states have internal predecessors, (73), 3 states have call successors, (31), 4 states have call predecessors, (31), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-19 07:02:41,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:02:46,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:02:47,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:02:50,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:03:04,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:03:04,726 INFO L93 Difference]: Finished difference Result 21190 states and 31355 transitions. [2022-11-19 07:03:04,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-19 07:03:04,727 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 6 states have internal predecessors, (73), 3 states have call successors, (31), 4 states have call predecessors, (31), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 224 [2022-11-19 07:03:04,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:03:04,820 INFO L225 Difference]: With dead ends: 21190 [2022-11-19 07:03:04,820 INFO L226 Difference]: Without dead ends: 21188 [2022-11-19 07:03:04,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 437 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2022-11-19 07:03:04,832 INFO L413 NwaCegarLoop]: 4521 mSDtfsCounter, 9280 mSDsluCounter, 11889 mSDsCounter, 0 mSdLazyCounter, 11286 mSolverCounterSat, 3067 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10035 SdHoareTripleChecker+Valid, 16410 SdHoareTripleChecker+Invalid, 14356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 3067 IncrementalHoareTripleChecker+Valid, 11286 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:03:04,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10035 Valid, 16410 Invalid, 14356 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [3067 Valid, 11286 Invalid, 3 Unknown, 0 Unchecked, 25.0s Time] [2022-11-19 07:03:04,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21188 states. [2022-11-19 07:03:07,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21188 to 21026. [2022-11-19 07:03:07,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21026 states, 12195 states have (on average 1.3207872078720788) internal successors, (16107), 13031 states have internal predecessors, (16107), 7210 states have call successors, (7210), 1620 states have call predecessors, (7210), 1609 states have return successors, (7852), 6959 states have call predecessors, (7852), 7208 states have call successors, (7852) [2022-11-19 07:03:08,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21026 states to 21026 states and 31169 transitions. [2022-11-19 07:03:08,096 INFO L78 Accepts]: Start accepts. Automaton has 21026 states and 31169 transitions. Word has length 224 [2022-11-19 07:03:08,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:03:08,096 INFO L495 AbstractCegarLoop]: Abstraction has 21026 states and 31169 transitions. [2022-11-19 07:03:08,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 6 states have internal predecessors, (73), 3 states have call successors, (31), 4 states have call predecessors, (31), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-19 07:03:08,097 INFO L276 IsEmpty]: Start isEmpty. Operand 21026 states and 31169 transitions. [2022-11-19 07:03:08,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2022-11-19 07:03:08,101 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:03:08,101 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:03:08,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-19 07:03:08,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:03:08,315 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-19 07:03:08,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:03:08,316 INFO L85 PathProgramCache]: Analyzing trace with hash -757644287, now seen corresponding path program 1 times [2022-11-19 07:03:08,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:03:08,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727969475] [2022-11-19 07:03:08,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:03:08,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:03:08,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:03:09,409 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 668 trivial. 0 not checked. [2022-11-19 07:03:09,409 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:03:09,409 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727969475] [2022-11-19 07:03:09,410 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727969475] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:03:09,410 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:03:09,410 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-19 07:03:09,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091608890] [2022-11-19 07:03:09,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:03:09,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 07:03:09,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:03:09,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 07:03:09,412 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-19 07:03:09,412 INFO L87 Difference]: Start difference. First operand 21026 states and 31169 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (28), 4 states have call predecessors, (28), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-19 07:03:15,218 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:03:18,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:03:24,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-19 07:03:45,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:03:45,442 INFO L93 Difference]: Finished difference Result 47031 states and 75340 transitions. [2022-11-19 07:03:45,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-19 07:03:45,442 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (28), 4 states have call predecessors, (28), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 208 [2022-11-19 07:03:45,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:03:45,730 INFO L225 Difference]: With dead ends: 47031 [2022-11-19 07:03:45,730 INFO L226 Difference]: Without dead ends: 47029 [2022-11-19 07:03:45,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-19 07:03:45,772 INFO L413 NwaCegarLoop]: 2754 mSDtfsCounter, 8117 mSDsluCounter, 7917 mSDsCounter, 0 mSdLazyCounter, 16136 mSolverCounterSat, 4643 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9305 SdHoareTripleChecker+Valid, 10671 SdHoareTripleChecker+Invalid, 20781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 4643 IncrementalHoareTripleChecker+Valid, 16136 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:03:45,774 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9305 Valid, 10671 Invalid, 20781 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [4643 Valid, 16136 Invalid, 2 Unknown, 0 Unchecked, 26.1s Time] [2022-11-19 07:03:45,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47029 states. [2022-11-19 07:03:53,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47029 to 46554. [2022-11-19 07:03:53,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46554 states, 27434 states have (on average 1.3379383247065686) internal successors, (36705), 29412 states have internal predecessors, (36705), 15957 states have call successors, (15957), 3026 states have call predecessors, (15957), 3151 states have return successors, (21940), 15356 states have call predecessors, (21940), 15955 states have call successors, (21940) [2022-11-19 07:03:54,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46554 states to 46554 states and 74602 transitions. [2022-11-19 07:03:54,534 INFO L78 Accepts]: Start accepts. Automaton has 46554 states and 74602 transitions. Word has length 208 [2022-11-19 07:03:54,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:03:54,534 INFO L495 AbstractCegarLoop]: Abstraction has 46554 states and 74602 transitions. [2022-11-19 07:03:54,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (28), 4 states have call predecessors, (28), 2 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2022-11-19 07:03:54,535 INFO L276 IsEmpty]: Start isEmpty. Operand 46554 states and 74602 transitions. [2022-11-19 07:03:54,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2022-11-19 07:03:54,544 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:03:54,544 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:03:54,544 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-19 07:03:54,545 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting cpumask_nextErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION (and 31 more)] === [2022-11-19 07:03:54,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:03:54,545 INFO L85 PathProgramCache]: Analyzing trace with hash 1610936304, now seen corresponding path program 1 times [2022-11-19 07:03:54,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:03:54,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110766547] [2022-11-19 07:03:54,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:03:54,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:03:54,691 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-19 07:03:54,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [812552032] [2022-11-19 07:03:54,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:03:54,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:03:54,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:03:54,696 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:03:54,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15dae2fb-9fa4-43eb-b63b-d9028f30f3af/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-19 07:03:56,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:03:56,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 5024 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 07:03:56,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:03:56,553 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2022-11-19 07:03:56,554 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:03:56,554 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:03:56,554 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110766547] [2022-11-19 07:03:56,554 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-19 07:03:56,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [812552032] [2022-11-19 07:03:56,555 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [812552032] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:03:56,555 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:03:56,555 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:03:56,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552302487] [2022-11-19 07:03:56,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:03:56,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:03:56,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:03:56,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:03:56,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:03:56,557 INFO L87 Difference]: Start difference. First operand 46554 states and 74602 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22)