./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--scsi--pmcraid.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_a1fea065-5ddd-4772-9bb2-505df94f3f6d/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/bin/utaipan-7li7fVZpFI --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 cdd309eda0ec3d8fb282a1c78025fbcdf2ec7d45d2e6d31be9848f04f8f03e3d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 01:57:49,743 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:57:49,746 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:57:49,805 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:57:49,806 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:57:49,811 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:57:49,813 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:57:49,818 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:57:49,820 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:57:49,827 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:57:49,828 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:57:49,829 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:57:49,829 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:57:49,830 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:57:49,831 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:57:49,833 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:57:49,833 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:57:49,834 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:57:49,836 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:57:49,838 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:57:49,843 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:57:49,844 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:57:49,848 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:57:49,849 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:57:49,852 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:57:49,852 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:57:49,853 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:57:49,854 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:57:49,854 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:57:49,855 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:57:49,855 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:57:49,856 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:57:49,857 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:57:49,858 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:57:49,859 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:57:49,859 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:57:49,860 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:57:49,860 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:57:49,860 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:57:49,861 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:57:49,861 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:57:49,863 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 01:57:49,910 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:57:49,910 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:57:49,911 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:57:49,911 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:57:49,912 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:57:49,912 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:57:49,912 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:57:49,913 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:57:49,913 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:57:49,913 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:57:49,914 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:57:49,914 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:57:49,915 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:57:49,915 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:57:49,915 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:57:49,915 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:57:49,916 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:57:49,916 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:57:49,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:57:49,917 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:57:49,917 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:57:49,917 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:57:49,917 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:57:49,918 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:57:49,918 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:57:49,918 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:57:49,918 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:57:49,919 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:57:49,919 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:57:49,919 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:57:49,919 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:57:49,920 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:57:49,920 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:57:49,920 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:57:49,920 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:57:49,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:57:49,921 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:57:49,921 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:57:49,921 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_a1fea065-5ddd-4772-9bb2-505df94f3f6d/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cdd309eda0ec3d8fb282a1c78025fbcdf2ec7d45d2e6d31be9848f04f8f03e3d [2022-11-03 01:57:50,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:57:50,279 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:57:50,282 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:57:50,283 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:57:50,284 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:57:50,285 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i [2022-11-03 01:57:50,366 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/bin/utaipan-7li7fVZpFI/data/a942ec07b/5b84994a316843f082e3dcd73df4aab5/FLAG3bb8b4184 [2022-11-03 01:57:51,600 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:57:51,601 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i [2022-11-03 01:57:51,686 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/bin/utaipan-7li7fVZpFI/data/a942ec07b/5b84994a316843f082e3dcd73df4aab5/FLAG3bb8b4184 [2022-11-03 01:57:51,753 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/bin/utaipan-7li7fVZpFI/data/a942ec07b/5b84994a316843f082e3dcd73df4aab5 [2022-11-03 01:57:51,755 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:57:51,757 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:57:51,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:57:51,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:57:51,764 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:57:51,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:57:51" (1/1) ... [2022-11-03 01:57:51,768 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@769437d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:57:51, skipping insertion in model container [2022-11-03 01:57:51,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:57:51" (1/1) ... [2022-11-03 01:57:51,777 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:57:52,040 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:58:00,354 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[678224,678237] [2022-11-03 01:58:00,357 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[678369,678382] [2022-11-03 01:58:00,358 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[678515,678528] [2022-11-03 01:58:00,358 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[678680,678693] [2022-11-03 01:58:00,359 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[678838,678851] [2022-11-03 01:58:00,359 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[678996,679009] [2022-11-03 01:58:00,360 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[679154,679167] [2022-11-03 01:58:00,360 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[679314,679327] [2022-11-03 01:58:00,362 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[679473,679486] [2022-11-03 01:58:00,362 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[679612,679625] [2022-11-03 01:58:00,363 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[679754,679767] [2022-11-03 01:58:00,363 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[679903,679916] [2022-11-03 01:58:00,364 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[680042,680055] [2022-11-03 01:58:00,364 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[680197,680210] [2022-11-03 01:58:00,365 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[680357,680370] [2022-11-03 01:58:00,365 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[680508,680521] [2022-11-03 01:58:00,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[680659,680672] [2022-11-03 01:58:00,366 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[680811,680824] [2022-11-03 01:58:00,367 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[680960,680973] [2022-11-03 01:58:00,367 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[681108,681121] [2022-11-03 01:58:00,368 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[681265,681278] [2022-11-03 01:58:00,368 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[681414,681427] [2022-11-03 01:58:00,369 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[681570,681583] [2022-11-03 01:58:00,369 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[681723,681736] [2022-11-03 01:58:00,370 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[681869,681882] [2022-11-03 01:58:00,370 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[682012,682025] [2022-11-03 01:58:00,371 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[682164,682177] [2022-11-03 01:58:00,371 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[682310,682323] [2022-11-03 01:58:00,372 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[682455,682468] [2022-11-03 01:58:00,372 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[682609,682622] [2022-11-03 01:58:00,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[682760,682773] [2022-11-03 01:58:00,373 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[682915,682928] [2022-11-03 01:58:00,374 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[683067,683080] [2022-11-03 01:58:00,374 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[683222,683235] [2022-11-03 01:58:00,375 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[683386,683399] [2022-11-03 01:58:00,375 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[683542,683555] [2022-11-03 01:58:00,376 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[683706,683719] [2022-11-03 01:58:00,376 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[683848,683861] [2022-11-03 01:58:00,377 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[684006,684019] [2022-11-03 01:58:00,377 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[684173,684186] [2022-11-03 01:58:00,378 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[684332,684345] [2022-11-03 01:58:00,378 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[684491,684504] [2022-11-03 01:58:00,379 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[684640,684653] [2022-11-03 01:58:00,379 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[684787,684800] [2022-11-03 01:58:00,380 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[684926,684939] [2022-11-03 01:58:00,380 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[685089,685102] [2022-11-03 01:58:00,381 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[685255,685268] [2022-11-03 01:58:00,381 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[685419,685432] [2022-11-03 01:58:00,382 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[685584,685597] [2022-11-03 01:58:00,382 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[685749,685762] [2022-11-03 01:58:00,383 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[685915,685928] [2022-11-03 01:58:00,383 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[686080,686093] [2022-11-03 01:58:00,384 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[686247,686260] [2022-11-03 01:58:00,384 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[686407,686420] [2022-11-03 01:58:00,385 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[686569,686582] [2022-11-03 01:58:00,385 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[686728,686741] [2022-11-03 01:58:00,386 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[686874,686887] [2022-11-03 01:58:00,386 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[687017,687030] [2022-11-03 01:58:00,387 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[687161,687174] [2022-11-03 01:58:00,387 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[687304,687317] [2022-11-03 01:58:00,388 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[687448,687461] [2022-11-03 01:58:00,388 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[687589,687602] [2022-11-03 01:58:00,389 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[687727,687740] [2022-11-03 01:58:00,389 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[687885,687898] [2022-11-03 01:58:00,390 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[688044,688057] [2022-11-03 01:58:00,390 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[688200,688213] [2022-11-03 01:58:00,391 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[688349,688362] [2022-11-03 01:58:00,391 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[688501,688514] [2022-11-03 01:58:00,392 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[688652,688665] [2022-11-03 01:58:00,392 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[688801,688814] [2022-11-03 01:58:00,393 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[688953,688966] [2022-11-03 01:58:00,393 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[689101,689114] [2022-11-03 01:58:00,394 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[689254,689267] [2022-11-03 01:58:00,394 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[689405,689418] [2022-11-03 01:58:00,395 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[689555,689568] [2022-11-03 01:58:00,395 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[689702,689715] [2022-11-03 01:58:00,396 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[689853,689866] [2022-11-03 01:58:00,396 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[690004,690017] [2022-11-03 01:58:00,397 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[690152,690165] [2022-11-03 01:58:00,397 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[690318,690331] [2022-11-03 01:58:00,398 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[690487,690500] [2022-11-03 01:58:00,398 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[690654,690667] [2022-11-03 01:58:00,399 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[690822,690835] [2022-11-03 01:58:00,399 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[690972,690985] [2022-11-03 01:58:00,400 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[691119,691132] [2022-11-03 01:58:00,400 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[691280,691293] [2022-11-03 01:58:00,401 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[691450,691463] [2022-11-03 01:58:00,402 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[691612,691625] [2022-11-03 01:58:00,436 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:58:00,471 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:58:01,429 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[678224,678237] [2022-11-03 01:58:01,430 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[678369,678382] [2022-11-03 01:58:01,431 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[678515,678528] [2022-11-03 01:58:01,431 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[678680,678693] [2022-11-03 01:58:01,432 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[678838,678851] [2022-11-03 01:58:01,432 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[678996,679009] [2022-11-03 01:58:01,433 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[679154,679167] [2022-11-03 01:58:01,433 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[679314,679327] [2022-11-03 01:58:01,434 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[679473,679486] [2022-11-03 01:58:01,434 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[679612,679625] [2022-11-03 01:58:01,435 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[679754,679767] [2022-11-03 01:58:01,435 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[679903,679916] [2022-11-03 01:58:01,436 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[680042,680055] [2022-11-03 01:58:01,436 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[680197,680210] [2022-11-03 01:58:01,437 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[680357,680370] [2022-11-03 01:58:01,437 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[680508,680521] [2022-11-03 01:58:01,437 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[680659,680672] [2022-11-03 01:58:01,438 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[680811,680824] [2022-11-03 01:58:01,438 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[680960,680973] [2022-11-03 01:58:01,439 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[681108,681121] [2022-11-03 01:58:01,439 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[681265,681278] [2022-11-03 01:58:01,440 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[681414,681427] [2022-11-03 01:58:01,440 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[681570,681583] [2022-11-03 01:58:01,441 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[681723,681736] [2022-11-03 01:58:01,441 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[681869,681882] [2022-11-03 01:58:01,442 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[682012,682025] [2022-11-03 01:58:01,442 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[682164,682177] [2022-11-03 01:58:01,443 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[682310,682323] [2022-11-03 01:58:01,443 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[682455,682468] [2022-11-03 01:58:01,444 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[682609,682622] [2022-11-03 01:58:01,444 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[682760,682773] [2022-11-03 01:58:01,445 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[682915,682928] [2022-11-03 01:58:01,445 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[683067,683080] [2022-11-03 01:58:01,445 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[683222,683235] [2022-11-03 01:58:01,446 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[683386,683399] [2022-11-03 01:58:01,446 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[683542,683555] [2022-11-03 01:58:01,447 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[683706,683719] [2022-11-03 01:58:01,447 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[683848,683861] [2022-11-03 01:58:01,448 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[684006,684019] [2022-11-03 01:58:01,448 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[684173,684186] [2022-11-03 01:58:01,449 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[684332,684345] [2022-11-03 01:58:01,449 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[684491,684504] [2022-11-03 01:58:01,450 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[684640,684653] [2022-11-03 01:58:01,450 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[684787,684800] [2022-11-03 01:58:01,451 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[684926,684939] [2022-11-03 01:58:01,451 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[685089,685102] [2022-11-03 01:58:01,452 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[685255,685268] [2022-11-03 01:58:01,452 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[685419,685432] [2022-11-03 01:58:01,453 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[685584,685597] [2022-11-03 01:58:01,453 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[685749,685762] [2022-11-03 01:58:01,454 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[685915,685928] [2022-11-03 01:58:01,454 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[686080,686093] [2022-11-03 01:58:01,455 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[686247,686260] [2022-11-03 01:58:01,455 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[686407,686420] [2022-11-03 01:58:01,456 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[686569,686582] [2022-11-03 01:58:01,456 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[686728,686741] [2022-11-03 01:58:01,457 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[686874,686887] [2022-11-03 01:58:01,457 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[687017,687030] [2022-11-03 01:58:01,458 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[687161,687174] [2022-11-03 01:58:01,458 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[687304,687317] [2022-11-03 01:58:01,459 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[687448,687461] [2022-11-03 01:58:01,459 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[687589,687602] [2022-11-03 01:58:01,460 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[687727,687740] [2022-11-03 01:58:01,460 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[687885,687898] [2022-11-03 01:58:01,461 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[688044,688057] [2022-11-03 01:58:01,461 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[688200,688213] [2022-11-03 01:58:01,462 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[688349,688362] [2022-11-03 01:58:01,462 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[688501,688514] [2022-11-03 01:58:01,463 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[688652,688665] [2022-11-03 01:58:01,463 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[688801,688814] [2022-11-03 01:58:01,463 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[688953,688966] [2022-11-03 01:58:01,464 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[689101,689114] [2022-11-03 01:58:01,464 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[689254,689267] [2022-11-03 01:58:01,465 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[689405,689418] [2022-11-03 01:58:01,465 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[689555,689568] [2022-11-03 01:58:01,466 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[689702,689715] [2022-11-03 01:58:01,466 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[689853,689866] [2022-11-03 01:58:01,467 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[690004,690017] [2022-11-03 01:58:01,467 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[690152,690165] [2022-11-03 01:58:01,468 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[690318,690331] [2022-11-03 01:58:01,468 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[690487,690500] [2022-11-03 01:58:01,469 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[690654,690667] [2022-11-03 01:58:01,469 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[690822,690835] [2022-11-03 01:58:01,469 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[690972,690985] [2022-11-03 01:58:01,470 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[691119,691132] [2022-11-03 01:58:01,470 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[691280,691293] [2022-11-03 01:58:01,471 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[691450,691463] [2022-11-03 01:58:01,471 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i[691612,691625] [2022-11-03 01:58:01,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:58:01,957 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:58:01,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:58:01 WrapperNode [2022-11-03 01:58:01,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:58:01,958 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:58:01,959 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:58:01,959 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:58:01,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:58:01" (1/1) ... [2022-11-03 01:58:02,108 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:58:01" (1/1) ... [2022-11-03 01:58:02,416 INFO L138 Inliner]: procedures = 961, calls = 4192, calls flagged for inlining = 472, calls inlined = 394, statements flattened = 9876 [2022-11-03 01:58:02,417 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:58:02,417 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:58:02,417 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:58:02,418 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:58:02,428 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:58:01" (1/1) ... [2022-11-03 01:58:02,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:58:01" (1/1) ... [2022-11-03 01:58:02,471 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:58:01" (1/1) ... [2022-11-03 01:58:02,471 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:58:01" (1/1) ... [2022-11-03 01:58:02,871 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:58:01" (1/1) ... [2022-11-03 01:58:02,907 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:58:01" (1/1) ... [2022-11-03 01:58:02,960 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:58:01" (1/1) ... [2022-11-03 01:58:02,998 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:58:01" (1/1) ... [2022-11-03 01:58:03,064 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:58:03,065 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:58:03,065 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:58:03,066 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:58:03,067 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:58:01" (1/1) ... [2022-11-03 01:58:03,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:58:03,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:58:03,105 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:58:03,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:58:03,274 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int_nonpositive [2022-11-03 01:58:03,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int_nonpositive [2022-11-03 01:58:03,276 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_expose_resource [2022-11-03 01:58:03,276 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_expose_resource [2022-11-03 01:58:03,276 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_slave_configure [2022-11-03 01:58:03,277 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_slave_configure [2022-11-03 01:58:03,277 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_init_ioadls [2022-11-03 01:58:03,277 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_init_ioadls [2022-11-03 01:58:03,277 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_reset_alert_done [2022-11-03 01:58:03,277 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_reset_alert_done [2022-11-03 01:58:03,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-03 01:58:03,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-11-03 01:58:03,279 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2022-11-03 01:58:03,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2022-11-03 01:58:03,280 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-03 01:58:03,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-11-03 01:58:03,280 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_eh_target_reset_handler [2022-11-03 01:58:03,280 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_eh_target_reset_handler [2022-11-03 01:58:03,280 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_eh_abort_handler [2022-11-03 01:58:03,280 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_eh_abort_handler [2022-11-03 01:58:03,281 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 01:58:03,281 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 01:58:03,281 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-03 01:58:03,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-03 01:58:03,281 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_chr_ioctl [2022-11-03 01:58:03,282 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_chr_ioctl [2022-11-03 01:58:03,282 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-03 01:58:03,282 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-03 01:58:03,282 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-03 01:58:03,282 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_del_timer [2022-11-03 01:58:03,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_del_timer [2022-11-03 01:58:03,283 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-03 01:58:03,283 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-03 01:58:03,283 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-03 01:58:03,283 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-03 01:58:03,283 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-11-03 01:58:03,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-11-03 01:58:03,284 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2022-11-03 01:58:03,284 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2022-11-03 01:58:03,284 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 01:58:03,284 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 01:58:03,284 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_release_cmd_blocks [2022-11-03 01:58:03,284 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_release_cmd_blocks [2022-11-03 01:58:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure sg_page [2022-11-03 01:58:03,285 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_page [2022-11-03 01:58:03,285 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_mutex_mutex_lock_aen_queue_lock_of_pmcraid_instance [2022-11-03 01:58:03,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_mutex_mutex_lock_aen_queue_lock_of_pmcraid_instance [2022-11-03 01:58:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-11-03 01:58:03,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-11-03 01:58:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_error_handler [2022-11-03 01:58:03,286 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_error_handler [2022-11-03 01:58:03,286 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_fail_outstanding_cmds [2022-11-03 01:58:03,286 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_fail_outstanding_cmds [2022-11-03 01:58:03,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-03 01:58:03,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-11-03 01:58:03,287 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 01:58:03,287 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-11-03 01:58:03,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-11-03 01:58:03,287 INFO L130 BoogieDeclarations]: Found specification of procedure kmap [2022-11-03 01:58:03,288 INFO L138 BoogieDeclarations]: Found implementation of procedure kmap [2022-11-03 01:58:03,288 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_to_user [2022-11-03 01:58:03,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_to_user [2022-11-03 01:58:03,289 INFO L130 BoogieDeclarations]: Found specification of procedure list_move_tail [2022-11-03 01:58:03,289 INFO L138 BoogieDeclarations]: Found implementation of procedure list_move_tail [2022-11-03 01:58:03,289 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2022-11-03 01:58:03,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2022-11-03 01:58:03,293 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_dma_mask [2022-11-03 01:58:03,293 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_dma_mask [2022-11-03 01:58:03,294 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2022-11-03 01:58:03,294 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2022-11-03 01:58:03,295 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_enable_interrupts [2022-11-03 01:58:03,295 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_enable_interrupts [2022-11-03 01:58:03,295 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-03 01:58:03,295 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-03 01:58:03,301 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 01:58:03,301 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 01:58:03,301 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2022-11-03 01:58:03,301 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2022-11-03 01:58:03,301 INFO L130 BoogieDeclarations]: Found specification of procedure sg_next [2022-11-03 01:58:03,301 INFO L138 BoogieDeclarations]: Found implementation of procedure sg_next [2022-11-03 01:58:03,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-03 01:58:03,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-11-03 01:58:03,302 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_querycfg [2022-11-03 01:58:03,302 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_querycfg [2022-11-03 01:58:03,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_check_return_value_probe [2022-11-03 01:58:03,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_check_return_value_probe [2022-11-03 01:58:03,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 01:58:03,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_check_return_value_probe [2022-11-03 01:58:03,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_check_return_value_probe [2022-11-03 01:58:03,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:58:03,304 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-03 01:58:03,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-03 01:58:03,305 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_abort_cmd [2022-11-03 01:58:03,305 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_abort_cmd [2022-11-03 01:58:03,306 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2022-11-03 01:58:03,306 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2022-11-03 01:58:03,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 01:58:03,306 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 01:58:03,306 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-03 01:58:03,306 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-03 01:58:03,306 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_host_put [2022-11-03 01:58:03,307 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_host_put [2022-11-03 01:58:03,307 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_ioa_reset [2022-11-03 01:58:03,307 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_ioa_reset [2022-11-03 01:58:03,307 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 01:58:03,307 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 01:58:03,307 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lockp [2022-11-03 01:58:03,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lockp [2022-11-03 01:58:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2022-11-03 01:58:03,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2022-11-03 01:58:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_completion_173 [2022-11-03 01:58:03,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_completion_173 [2022-11-03 01:58:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-03 01:58:03,309 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-03 01:58:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:58:03,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:58:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_pending_pool_lock_of_pmcraid_instance [2022-11-03 01:58:03,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_pending_pool_lock_of_pmcraid_instance [2022-11-03 01:58:03,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 01:58:03,310 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion_timeout [2022-11-03 01:58:03,311 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion_timeout [2022-11-03 01:58:03,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_144 [2022-11-03 01:58:03,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_144 [2022-11-03 01:58:03,311 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_release_control_blocks [2022-11-03 01:58:03,311 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_release_control_blocks [2022-11-03 01:58:03,311 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_disable_interrupts [2022-11-03 01:58:03,312 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_disable_interrupts [2022-11-03 01:58:03,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_process_context [2022-11-03 01:58:03,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_process_context [2022-11-03 01:58:03,312 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_chr_open [2022-11-03 01:58:03,312 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_chr_open [2022-11-03 01:58:03,312 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_shutdown [2022-11-03 01:58:03,312 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_shutdown [2022-11-03 01:58:03,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_130 [2022-11-03 01:58:03,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_130 [2022-11-03 01:58:03,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_135 [2022-11-03 01:58:03,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_135 [2022-11-03 01:58:03,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 01:58:03,313 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 01:58:03,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-03 01:58:03,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_io_mem_unmap [2022-11-03 01:58:03,314 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_netlink_release [2022-11-03 01:58:03,314 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_netlink_release [2022-11-03 01:58:03,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_post_probe [2022-11-03 01:58:03,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_post_probe [2022-11-03 01:58:03,314 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer [2022-11-03 01:58:03,314 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer [2022-11-03 01:58:03,315 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-03 01:58:03,315 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-03 01:58:03,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_128 [2022-11-03 01:58:03,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_128 [2022-11-03 01:58:03,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-11-03 01:58:03,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-11-03 01:58:03,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-11-03 01:58:03,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-11-03 01:58:03,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 01:58:03,316 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-11-03 01:58:03,316 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-11-03 01:58:03,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-03 01:58:03,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-11-03 01:58:03,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_drivers_base_class__double_registration [2022-11-03 01:58:03,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_drivers_base_class__double_registration [2022-11-03 01:58:03,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 01:58:03,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_destroy_class [2022-11-03 01:58:03,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_destroy_class [2022-11-03 01:58:03,317 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-03 01:58:03,317 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-03 01:58:03,318 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_reset_bringdown [2022-11-03 01:58:03,318 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_reset_bringdown [2022-11-03 01:58:03,318 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-11-03 01:58:03,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~X~int~TO~int [2022-11-03 01:58:03,318 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2022-11-03 01:58:03,318 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2022-11-03 01:58:03,319 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-03 01:58:03,319 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-03 01:58:03,319 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_report_bus_reset [2022-11-03 01:58:03,319 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_report_bus_reset [2022-11-03 01:58:03,319 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_remove [2022-11-03 01:58:03,319 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_remove [2022-11-03 01:58:03,319 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_set_timestamp [2022-11-03 01:58:03,320 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_set_timestamp [2022-11-03 01:58:03,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-03 01:58:03,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-03 01:58:03,320 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2022-11-03 01:58:03,320 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2022-11-03 01:58:03,320 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2022-11-03 01:58:03,320 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2022-11-03 01:58:03,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-03 01:58:03,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-11-03 01:58:03,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-11-03 01:58:03,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-11-03 01:58:03,322 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_start_bist [2022-11-03 01:58:03,324 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_start_bist [2022-11-03 01:58:03,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-03 01:58:03,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_unlock [2022-11-03 01:58:03,325 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_resume [2022-11-03 01:58:03,325 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_resume [2022-11-03 01:58:03,325 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_free_sglist [2022-11-03 01:58:03,325 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_free_sglist [2022-11-03 01:58:03,325 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_read_interrupts [2022-11-03 01:58:03,326 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_read_interrupts [2022-11-03 01:58:03,327 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_init_cmdblk [2022-11-03 01:58:03,327 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_init_cmdblk [2022-11-03 01:58:03,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 01:58:03,327 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 01:58:03,327 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 01:58:03,328 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_identify_hrrq [2022-11-03 01:58:03,328 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_identify_hrrq [2022-11-03 01:58:03,328 INFO L130 BoogieDeclarations]: Found specification of procedure copy_user_generic [2022-11-03 01:58:03,328 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_user_generic [2022-11-03 01:58:03,328 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_process_ldn [2022-11-03 01:58:03,328 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_process_ldn [2022-11-03 01:58:03,328 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2022-11-03 01:58:03,328 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2022-11-03 01:58:03,328 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_unregister_chrdev_region [2022-11-03 01:58:03,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_unregister_chrdev_region [2022-11-03 01:58:03,328 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-11-03 01:58:03,328 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-11-03 01:58:03,329 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_soft_reset [2022-11-03 01:58:03,329 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_soft_reset [2022-11-03 01:58:03,329 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-11-03 01:58:03,329 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-11-03 01:58:03,329 INFO L130 BoogieDeclarations]: Found specification of procedure kunmap [2022-11-03 01:58:03,329 INFO L138 BoogieDeclarations]: Found implementation of procedure kunmap [2022-11-03 01:58:03,329 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-03 01:58:03,329 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-03 01:58:03,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_scsi_remove_host [2022-11-03 01:58:03,329 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_scsi_remove_host [2022-11-03 01:58:03,329 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_clr_trans_op [2022-11-03 01:58:03,329 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_clr_trans_op [2022-11-03 01:58:03,329 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2022-11-03 01:58:03,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadget [2022-11-03 01:58:03,330 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2022-11-03 01:58:03,330 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2022-11-03 01:58:03,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2022-11-03 01:58:03,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_usb_gadget__class_registration_with_usb_gadget [2022-11-03 01:58:03,330 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_cancel_hcam [2022-11-03 01:58:03,330 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_cancel_hcam [2022-11-03 01:58:03,330 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-11-03 01:58:03,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-11-03 01:58:03,330 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-03 01:58:03,330 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-03 01:58:03,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 01:58:03,331 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 01:58:03,331 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_reinit_cmdblk [2022-11-03 01:58:03,331 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_reinit_cmdblk [2022-11-03 01:58:03,331 INFO L130 BoogieDeclarations]: Found specification of procedure lowmem_page_address [2022-11-03 01:58:03,331 INFO L138 BoogieDeclarations]: Found implementation of procedure lowmem_page_address [2022-11-03 01:58:03,331 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 01:58:03,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 01:58:03,331 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2022-11-03 01:58:03,331 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2022-11-03 01:58:03,332 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-03 01:58:03,332 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-03 01:58:03,332 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_release_buffers [2022-11-03 01:58:03,332 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_release_buffers [2022-11-03 01:58:03,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-11-03 01:58:03,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-11-03 01:58:03,332 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-11-03 01:58:03,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-11-03 01:58:03,332 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-11-03 01:58:03,332 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-11-03 01:58:03,333 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_release_config_buffers [2022-11-03 01:58:03,333 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_release_config_buffers [2022-11-03 01:58:03,333 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_init_tasklets [2022-11-03 01:58:03,333 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_init_tasklets [2022-11-03 01:58:03,333 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-11-03 01:58:03,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-11-03 01:58:03,333 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-03 01:58:03,333 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-03 01:58:03,333 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_register_interrupt_handler [2022-11-03 01:58:03,334 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_register_interrupt_handler [2022-11-03 01:58:03,334 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_unregister_interrupt_handler [2022-11-03 01:58:03,334 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_unregister_interrupt_handler [2022-11-03 01:58:03,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-03 01:58:03,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-03 01:58:03,334 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-11-03 01:58:03,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-11-03 01:58:03,334 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_reset_device [2022-11-03 01:58:03,334 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_reset_device [2022-11-03 01:58:03,335 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_return_cmd [2022-11-03 01:58:03,335 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_return_cmd [2022-11-03 01:58:03,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 01:58:03,335 INFO L130 BoogieDeclarations]: Found specification of procedure __chk_range_not_ok [2022-11-03 01:58:03,335 INFO L138 BoogieDeclarations]: Found implementation of procedure __chk_range_not_ok [2022-11-03 01:58:03,335 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-11-03 01:58:03,335 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-11-03 01:58:03,335 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2022-11-03 01:58:03,335 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2022-11-03 01:58:03,336 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_slave_alloc [2022-11-03 01:58:03,336 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_slave_alloc [2022-11-03 01:58:03,336 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_consistent_dma_mask [2022-11-03 01:58:03,336 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_consistent_dma_mask [2022-11-03 01:58:03,336 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 01:58:03,336 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_kill_tasklets [2022-11-03 01:58:03,336 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_kill_tasklets [2022-11-03 01:58:03,336 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-03 01:58:03,336 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-03 01:58:03,337 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-11-03 01:58:03,337 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-11-03 01:58:03,337 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_initiate_reset [2022-11-03 01:58:03,337 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_initiate_reset [2022-11-03 01:58:03,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 01:58:03,337 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-11-03 01:58:03,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-11-03 01:58:03,337 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_reset_bringup [2022-11-03 01:58:03,337 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_reset_bringup [2022-11-03 01:58:03,338 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_prepare_cancel_cmd [2022-11-03 01:58:03,338 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_prepare_cancel_cmd [2022-11-03 01:58:03,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_after_alloc [2022-11-03 01:58:03,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_after_alloc [2022-11-03 01:58:03,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-03 01:58:03,338 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-03 01:58:03,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-11-03 01:58:03,338 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-11-03 01:58:03,338 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_to_interrupt_context [2022-11-03 01:58:03,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_to_interrupt_context [2022-11-03 01:58:03,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 01:58:03,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 01:58:03,339 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_send_cmd [2022-11-03 01:58:03,339 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_send_cmd [2022-11-03 01:58:03,339 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_block_requests [2022-11-03 01:58:03,339 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_block_requests [2022-11-03 01:58:03,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_1 [2022-11-03 01:58:03,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_1 [2022-11-03 01:58:03,339 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_interrupt_interrupt_instance_2 [2022-11-03 01:58:03,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_interrupt_interrupt_instance_2 [2022-11-03 01:58:03,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_fs_char_dev__double_registration [2022-11-03 01:58:03,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_fs_char_dev__double_registration [2022-11-03 01:58:03,340 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2022-11-03 01:58:03,340 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2022-11-03 01:58:03,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-11-03 01:58:03,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-11-03 01:58:03,340 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_host_lock_of_Scsi_Host [2022-11-03 01:58:03,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_host_lock_of_Scsi_Host [2022-11-03 01:58:03,341 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_free_pool_lock_of_pmcraid_instance [2022-11-03 01:58:03,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_free_pool_lock_of_pmcraid_instance [2022-11-03 01:58:03,341 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 01:58:03,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-03 01:58:03,341 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-03 01:58:03,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-03 01:58:03,341 INFO L130 BoogieDeclarations]: Found specification of procedure tasklet_schedule [2022-11-03 01:58:03,341 INFO L138 BoogieDeclarations]: Found implementation of procedure tasklet_schedule [2022-11-03 01:58:03,341 INFO L130 BoogieDeclarations]: Found specification of procedure _pmcraid_io_done [2022-11-03 01:58:03,341 INFO L138 BoogieDeclarations]: Found implementation of procedure _pmcraid_io_done [2022-11-03 01:58:03,342 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_send_hcam_cmd [2022-11-03 01:58:03,342 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_send_hcam_cmd [2022-11-03 01:58:03,342 INFO L130 BoogieDeclarations]: Found specification of procedure __copy_from_user [2022-11-03 01:58:03,342 INFO L138 BoogieDeclarations]: Found implementation of procedure __copy_from_user [2022-11-03 01:58:03,342 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-11-03 01:58:03,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-11-03 01:58:03,342 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_release_hcams [2022-11-03 01:58:03,342 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_release_hcams [2022-11-03 01:58:03,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 01:58:03,343 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_notify_ioastate [2022-11-03 01:58:03,343 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_notify_ioastate [2022-11-03 01:58:03,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 01:58:03,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 01:58:03,343 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-03 01:58:03,343 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-11-03 01:58:03,344 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_destroy_class [2022-11-03 01:58:03,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_destroy_class [2022-11-03 01:58:03,344 INFO L130 BoogieDeclarations]: Found specification of procedure request_irq [2022-11-03 01:58:03,344 INFO L138 BoogieDeclarations]: Found implementation of procedure request_irq [2022-11-03 01:58:03,344 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_remove_host [2022-11-03 01:58:03,344 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_remove_host [2022-11-03 01:58:03,344 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_get_free_cmd [2022-11-03 01:58:03,345 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_get_free_cmd [2022-11-03 01:58:03,345 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_request_sense [2022-11-03 01:58:03,345 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_request_sense [2022-11-03 01:58:03,345 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-11-03 01:58:03,345 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-11-03 01:58:03,345 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2022-11-03 01:58:03,345 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2022-11-03 01:58:03,346 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_send_hcam [2022-11-03 01:58:03,346 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_send_hcam [2022-11-03 01:58:03,346 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_release_host_rrqs [2022-11-03 01:58:03,346 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_release_host_rrqs [2022-11-03 01:58:03,346 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_complete_ioa_reset [2022-11-03 01:58:03,346 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_complete_ioa_reset [2022-11-03 01:58:03,346 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_master [2022-11-03 01:58:03,347 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_master [2022-11-03 01:58:03,347 INFO L130 BoogieDeclarations]: Found specification of procedure __free_pages [2022-11-03 01:58:03,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __free_pages [2022-11-03 01:58:03,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 01:58:03,347 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_io_done [2022-11-03 01:58:03,347 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_io_done [2022-11-03 01:58:03,347 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-03 01:58:03,348 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-03 01:58:03,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_pre_probe [2022-11-03 01:58:03,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_pre_probe [2022-11-03 01:58:03,348 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_210 [2022-11-03 01:58:03,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_210 [2022-11-03 01:58:03,348 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-11-03 01:58:03,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-11-03 01:58:03,349 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_ioa_shutdown_done [2022-11-03 01:58:03,349 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_ioa_shutdown_done [2022-11-03 01:58:03,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-03 01:58:03,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-11-03 01:58:03,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_request_irq [2022-11-03 01:58:03,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_request_irq [2022-11-03 01:58:03,349 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-11-03 01:58:03,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-11-03 01:58:03,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_irq [2022-11-03 01:58:03,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_irq [2022-11-03 01:58:03,350 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_release_minor [2022-11-03 01:58:03,350 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_release_minor [2022-11-03 01:58:03,350 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_sched_completion_wait_for_completion_wait_for_completion_of_pmcraid_cmd [2022-11-03 01:58:03,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_sched_completion_wait_for_completion_wait_for_completion_of_pmcraid_cmd [2022-11-03 01:58:03,351 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_dma_unmap [2022-11-03 01:58:03,351 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_dma_unmap [2022-11-03 01:58:03,351 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_notify_aen [2022-11-03 01:58:03,351 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_notify_aen [2022-11-03 01:58:03,351 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-03 01:58:03,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_double_lock [2022-11-03 01:58:03,352 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-03 01:58:03,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_linux_kernel_locking_spinlock_spin_lock [2022-11-03 01:58:03,352 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_eh_host_reset_handler [2022-11-03 01:58:03,352 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_eh_host_reset_handler [2022-11-03 01:58:03,352 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-03 01:58:03,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-11-03 01:58:03,352 INFO L130 BoogieDeclarations]: Found specification of procedure _pmcraid_fire_command [2022-11-03 01:58:03,353 INFO L138 BoogieDeclarations]: Found implementation of procedure _pmcraid_fire_command [2022-11-03 01:58:03,353 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 01:58:03,353 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 01:58:03,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-03 01:58:03,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-11-03 01:58:03,353 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-03 01:58:03,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~$Pointer$~TO~int [2022-11-03 01:58:03,354 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_eh_device_reset_handler [2022-11-03 01:58:03,354 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_eh_device_reset_handler [2022-11-03 01:58:03,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-03 01:58:03,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-11-03 01:58:03,354 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_unregister_chrdev_region [2022-11-03 01:58:03,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_unregister_chrdev_region [2022-11-03 01:58:03,355 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_copy_sglist [2022-11-03 01:58:03,355 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_copy_sglist [2022-11-03 01:58:03,355 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_unblock_requests [2022-11-03 01:58:03,355 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_unblock_requests [2022-11-03 01:58:03,355 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_init_hcam [2022-11-03 01:58:03,355 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_init_hcam [2022-11-03 01:58:03,355 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-11-03 01:58:03,356 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-11-03 01:58:03,356 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab64 [2022-11-03 01:58:03,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab64 [2022-11-03 01:58:03,356 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_store_log_level [2022-11-03 01:58:03,356 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_store_log_level [2022-11-03 01:58:03,356 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_eh_bus_reset_handler [2022-11-03 01:58:03,357 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_eh_bus_reset_handler [2022-11-03 01:58:03,357 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_slave_destroy [2022-11-03 01:58:03,357 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_slave_destroy [2022-11-03 01:58:03,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-11-03 01:58:03,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-11-03 01:58:03,357 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_add_return [2022-11-03 01:58:03,357 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_add_return [2022-11-03 01:58:03,358 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_work [2022-11-03 01:58:03,358 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_work [2022-11-03 01:58:03,358 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_free [2022-11-03 01:58:03,358 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_free [2022-11-03 01:58:03,358 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-03 01:58:03,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-11-03 01:58:03,359 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2022-11-03 01:58:03,359 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2022-11-03 01:58:03,359 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_reset_reload [2022-11-03 01:58:03,359 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_reset_reload [2022-11-03 01:58:03,359 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_erp_done [2022-11-03 01:58:03,359 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_erp_done [2022-11-03 01:58:03,359 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_reset_alert [2022-11-03 01:58:03,360 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_reset_alert [2022-11-03 01:58:03,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 01:58:03,360 INFO L130 BoogieDeclarations]: Found specification of procedure pmcraid_bist_done [2022-11-03 01:58:03,360 INFO L138 BoogieDeclarations]: Found implementation of procedure pmcraid_bist_done [2022-11-03 01:58:03,360 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_resource_lock_of_pmcraid_instance [2022-11-03 01:58:03,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_resource_lock_of_pmcraid_instance [2022-11-03 01:58:04,858 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:58:04,864 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:58:04,989 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 01:58:10,257 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9499: SUMMARY for call __copy_to_user_nocheck_#t~ret308#1 := ldv__builtin_expect((if 0 != __copy_to_user_nocheck_~ret~2#1 then 1 else 0), 0); srcloc: null [2022-11-03 01:58:10,257 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9503: SUMMARY for call __copy_to_user_nocheck_#t~ret309#1 := ldv__builtin_expect((if 0 != __copy_to_user_nocheck_~ret~2#1 then 1 else 0), 0); srcloc: null [2022-11-03 01:58:10,257 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9491: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~2#1; [2022-11-03 01:58:10,257 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9495: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~2#1; [2022-11-03 01:58:10,258 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9483: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~2#1; [2022-11-03 01:58:10,258 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9553: __copy_to_user_nocheck_~tmp___2~2#1 := __copy_to_user_nocheck_#t~ret310#1;havoc __copy_to_user_nocheck_#t~ret310#1;__copy_to_user_nocheck_#res#1 := (if __copy_to_user_nocheck_~tmp___2~2#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_to_user_nocheck_~tmp___2~2#1 % 18446744073709551616 % 4294967296 else __copy_to_user_nocheck_~tmp___2~2#1 % 18446744073709551616 % 4294967296 - 4294967296); [2022-11-03 01:58:10,258 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9487: __copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~2#1; [2022-11-03 01:58:10,258 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9541: assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret309#1 && __copy_to_user_nocheck_#t~ret309#1 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___1~6#1 := __copy_to_user_nocheck_#t~ret309#1;havoc __copy_to_user_nocheck_#t~ret309#1; [2022-11-03 01:58:10,258 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9529: assume 0 != __copy_to_user_nocheck_~tmp___0~10#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~2#1; [2022-11-03 01:58:10,258 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9529: assume !(0 != __copy_to_user_nocheck_~tmp___0~10#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~2#1; [2022-11-03 01:58:10,258 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-11-03 01:58:10,259 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9506: SUMMARY for call __copy_to_user_nocheck_#t~ret310#1 := copy_user_generic(__copy_to_user_nocheck_~dst#1.base, __copy_to_user_nocheck_~dst#1.offset, __copy_to_user_nocheck_~src#1.base, __copy_to_user_nocheck_~src#1.offset, __copy_to_user_nocheck_~size#1); srcloc: null [2022-11-03 01:58:10,259 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-11-03 01:58:10,259 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9543: assume 0 != __copy_to_user_nocheck_~tmp___1~6#1;__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~2#1; [2022-11-03 01:58:10,259 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9543: assume !(0 != __copy_to_user_nocheck_~tmp___1~6#1);__copy_to_user_nocheck_#res#1 := __copy_to_user_nocheck_~ret~2#1; [2022-11-03 01:58:10,259 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9498: assume 10 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-11-03 01:58:10,259 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9498: assume !(10 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-11-03 01:58:10,260 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9502: assume 16 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-11-03 01:58:10,260 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9502: assume !(16 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-11-03 01:58:10,260 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9490: assume 4 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-11-03 01:58:10,260 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9490: assume !(4 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-11-03 01:58:10,260 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9527: assume -9223372036854775808 <= __copy_to_user_nocheck_#t~ret308#1 && __copy_to_user_nocheck_#t~ret308#1 <= 9223372036854775807;__copy_to_user_nocheck_~tmp___0~10#1 := __copy_to_user_nocheck_#t~ret308#1;havoc __copy_to_user_nocheck_#t~ret308#1; [2022-11-03 01:58:10,260 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9494: assume 8 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-11-03 01:58:10,261 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9494: assume !(8 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-11-03 01:58:10,261 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9486: assume 2 == __copy_to_user_nocheck_~size#1 % 4294967296; [2022-11-03 01:58:10,261 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9486: assume !(2 == __copy_to_user_nocheck_~size#1 % 4294967296); [2022-11-03 01:58:16,103 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9450: __copy_from_user_nocheck_~tmp___2~1#1 := __copy_from_user_nocheck_#t~ret305#1;havoc __copy_from_user_nocheck_#t~ret305#1;__copy_from_user_nocheck_#res#1 := (if __copy_from_user_nocheck_~tmp___2~1#1 % 18446744073709551616 % 4294967296 <= 2147483647 then __copy_from_user_nocheck_~tmp___2~1#1 % 18446744073709551616 % 4294967296 else __copy_from_user_nocheck_~tmp___2~1#1 % 18446744073709551616 % 4294967296 - 4294967296); [2022-11-03 01:58:16,103 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9425: assume 0 != __copy_from_user_nocheck_~tmp___0~9#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~1#1; [2022-11-03 01:58:16,103 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9425: assume !(0 != __copy_from_user_nocheck_~tmp___0~9#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~1#1; [2022-11-03 01:58:16,104 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9438: assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret304#1 && __copy_from_user_nocheck_#t~ret304#1 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___1~5#1 := __copy_from_user_nocheck_#t~ret304#1;havoc __copy_from_user_nocheck_#t~ret304#1; [2022-11-03 01:58:16,104 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9397: SUMMARY for call __copy_from_user_nocheck_#t~ret305#1 := copy_user_generic(__copy_from_user_nocheck_~dst#1.base, __copy_from_user_nocheck_~dst#1.offset, __copy_from_user_nocheck_~src#1.base, __copy_from_user_nocheck_~src#1.offset, __copy_from_user_nocheck_~size#1); srcloc: null [2022-11-03 01:58:16,104 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9389: assume 10 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-11-03 01:58:16,104 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9389: assume !(10 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-11-03 01:58:16,104 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9393: assume 16 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-11-03 01:58:16,104 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9393: assume !(16 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-11-03 01:58:16,104 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9381: assume 4 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-11-03 01:58:16,104 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9381: assume !(4 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-11-03 01:58:16,104 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9385: assume 8 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-11-03 01:58:16,104 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9385: assume !(8 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-11-03 01:58:16,104 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9377: assume 2 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-11-03 01:58:16,105 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9377: assume !(2 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-11-03 01:58:16,105 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9394: SUMMARY for call __copy_from_user_nocheck_#t~ret304#1 := ldv__builtin_expect((if 0 != __copy_from_user_nocheck_~ret~1#1 then 1 else 0), 0); srcloc: null [2022-11-03 01:58:16,105 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9386: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~1#1; [2022-11-03 01:58:16,105 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9423: assume -9223372036854775808 <= __copy_from_user_nocheck_#t~ret303#1 && __copy_from_user_nocheck_#t~ret303#1 <= 9223372036854775807;__copy_from_user_nocheck_~tmp___0~9#1 := __copy_from_user_nocheck_#t~ret303#1;havoc __copy_from_user_nocheck_#t~ret303#1; [2022-11-03 01:58:16,105 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9390: SUMMARY for call __copy_from_user_nocheck_#t~ret303#1 := ldv__builtin_expect((if 0 != __copy_from_user_nocheck_~ret~1#1 then 1 else 0), 0); srcloc: null [2022-11-03 01:58:16,105 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##1: assume 1 == __copy_from_user_nocheck_~size#1 % 4294967296; [2022-11-03 01:58:16,105 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9378: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~1#1; [2022-11-03 01:58:16,105 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##2: assume !(1 == __copy_from_user_nocheck_~size#1 % 4294967296); [2022-11-03 01:58:16,105 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9382: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~1#1; [2022-11-03 01:58:16,105 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9440: assume 0 != __copy_from_user_nocheck_~tmp___1~5#1;__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~1#1; [2022-11-03 01:58:16,106 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9440: assume !(0 != __copy_from_user_nocheck_~tmp___1~5#1);__copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~1#1; [2022-11-03 01:58:16,106 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L9374: __copy_from_user_nocheck_#res#1 := __copy_from_user_nocheck_~ret~1#1; [2022-11-03 01:58:28,660 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:58:31,725 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:58:31,725 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 01:58:31,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:58:31 BoogieIcfgContainer [2022-11-03 01:58:31,734 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:58:31,736 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:58:31,737 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:58:31,741 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:58:31,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:57:51" (1/3) ... [2022-11-03 01:58:31,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70952fe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:58:31, skipping insertion in model container [2022-11-03 01:58:31,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:58:01" (2/3) ... [2022-11-03 01:58:31,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70952fe2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:58:31, skipping insertion in model container [2022-11-03 01:58:31,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:58:31" (3/3) ... [2022-11-03 01:58:31,745 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---drivers--scsi--pmcraid.ko.cil.i [2022-11-03 01:58:31,767 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:58:31,768 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 39 error locations. [2022-11-03 01:58:31,907 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:58:31,913 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;@4d4e4d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:58:31,914 INFO L358 AbstractCegarLoop]: Starting to check reachability of 39 error locations. [2022-11-03 01:58:31,928 INFO L276 IsEmpty]: Start isEmpty. Operand has 2800 states, 1563 states have (on average 1.307741522712732) internal successors, (2044), 1707 states have internal predecessors, (2044), 970 states have call successors, (970), 228 states have call predecessors, (970), 227 states have return successors, (965), 931 states have call predecessors, (965), 965 states have call successors, (965) [2022-11-03 01:58:31,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-03 01:58:31,938 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:58:31,939 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:58:31,940 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_assert_linux_fs_char_dev__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-03 01:58:31,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:58:31,946 INFO L85 PathProgramCache]: Analyzing trace with hash -1678252029, now seen corresponding path program 1 times [2022-11-03 01:58:31,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:58:31,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337534486] [2022-11-03 01:58:31,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:58:31,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:58:32,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:58:33,433 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-03 01:58:33,434 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:58:33,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337534486] [2022-11-03 01:58:33,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337534486] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:58:33,435 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:58:33,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:58:33,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210373437] [2022-11-03 01:58:33,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:58:33,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:58:33,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:58:33,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:58:33,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:58:33,504 INFO L87 Difference]: Start difference. First operand has 2800 states, 1563 states have (on average 1.307741522712732) internal successors, (2044), 1707 states have internal predecessors, (2044), 970 states have call successors, (970), 228 states have call predecessors, (970), 227 states have return successors, (965), 931 states have call predecessors, (965), 965 states have call successors, (965) Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-03 01:58:34,566 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:58:37,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:58:39,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:58:42,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:58:44,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:58:46,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:58:47,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:58:49,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:58:53,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:59:00,668 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:59:02,260 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:59:03,403 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:59:06,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:59:08,048 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:59:09,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:59:12,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:59:12,652 INFO L93 Difference]: Finished difference Result 8330 states and 12450 transitions. [2022-11-03 01:59:12,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:59:12,659 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 24 [2022-11-03 01:59:12,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:59:12,749 INFO L225 Difference]: With dead ends: 8330 [2022-11-03 01:59:12,749 INFO L226 Difference]: Without dead ends: 5522 [2022-11-03 01:59:12,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-03 01:59:12,794 INFO L413 NwaCegarLoop]: 6823 mSDtfsCounter, 3933 mSDsluCounter, 19366 mSDsCounter, 0 mSdLazyCounter, 3277 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 36.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3935 SdHoareTripleChecker+Valid, 23857 SdHoareTripleChecker+Invalid, 3281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3277 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 38.3s IncrementalHoareTripleChecker+Time [2022-11-03 01:59:12,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3935 Valid, 23857 Invalid, 3281 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3277 Invalid, 3 Unknown, 0 Unchecked, 38.3s Time] [2022-11-03 01:59:12,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5522 states. [2022-11-03 01:59:13,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5522 to 5426. [2022-11-03 01:59:13,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5426 states, 3045 states have (on average 1.2853858784893268) internal successors, (3914), 3290 states have internal predecessors, (3914), 1896 states have call successors, (1896), 448 states have call predecessors, (1896), 447 states have return successors, (1895), 1822 states have call predecessors, (1895), 1894 states have call successors, (1895) [2022-11-03 01:59:13,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5426 states to 5426 states and 7705 transitions. [2022-11-03 01:59:13,309 INFO L78 Accepts]: Start accepts. Automaton has 5426 states and 7705 transitions. Word has length 24 [2022-11-03 01:59:13,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:59:13,312 INFO L495 AbstractCegarLoop]: Abstraction has 5426 states and 7705 transitions. [2022-11-03 01:59:13,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 4 states have internal predecessors, (13), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-03 01:59:13,313 INFO L276 IsEmpty]: Start isEmpty. Operand 5426 states and 7705 transitions. [2022-11-03 01:59:13,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-03 01:59:13,315 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:59:13,315 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:59:13,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 01:59:13,316 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_assert_linux_usb_gadget__chrdev_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-03 01:59:13,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:59:13,317 INFO L85 PathProgramCache]: Analyzing trace with hash 660550994, now seen corresponding path program 1 times [2022-11-03 01:59:13,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:59:13,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [234193758] [2022-11-03 01:59:13,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:59:13,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:59:13,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:59:14,144 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2022-11-03 01:59:14,145 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:59:14,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [234193758] [2022-11-03 01:59:14,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [234193758] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:59:14,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:59:14,145 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:59:14,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288062054] [2022-11-03 01:59:14,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:59:14,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:59:14,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:59:14,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:59:14,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:59:14,149 INFO L87 Difference]: Start difference. First operand 5426 states and 7705 transitions. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-03 01:59:18,695 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:59:21,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:59:24,444 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:59:28,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:59:30,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 01:59:34,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:59:35,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:59:36,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:59:38,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:59:40,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:59:40,340 INFO L93 Difference]: Finished difference Result 6566 states and 9288 transitions. [2022-11-03 01:59:40,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 01:59:40,341 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 39 [2022-11-03 01:59:40,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:59:40,393 INFO L225 Difference]: With dead ends: 6566 [2022-11-03 01:59:40,393 INFO L226 Difference]: Without dead ends: 6564 [2022-11-03 01:59:40,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-03 01:59:40,405 INFO L413 NwaCegarLoop]: 3880 mSDtfsCounter, 3910 mSDsluCounter, 10304 mSDsCounter, 0 mSdLazyCounter, 1659 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3912 SdHoareTripleChecker+Valid, 13019 SdHoareTripleChecker+Invalid, 1663 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1659 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.8s IncrementalHoareTripleChecker+Time [2022-11-03 01:59:40,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3912 Valid, 13019 Invalid, 1663 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 1659 Invalid, 4 Unknown, 0 Unchecked, 25.8s Time] [2022-11-03 01:59:40,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6564 states. [2022-11-03 01:59:40,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6564 to 6553. [2022-11-03 01:59:40,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6553 states, 3673 states have (on average 1.2847808331064525) internal successors, (4719), 3980 states have internal predecessors, (4719), 2280 states have call successors, (2280), 564 states have call predecessors, (2280), 563 states have return successors, (2280), 2177 states have call predecessors, (2280), 2278 states have call successors, (2280) [2022-11-03 01:59:40,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6553 states to 6553 states and 9279 transitions. [2022-11-03 01:59:40,805 INFO L78 Accepts]: Start accepts. Automaton has 6553 states and 9279 transitions. Word has length 39 [2022-11-03 01:59:40,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:59:40,805 INFO L495 AbstractCegarLoop]: Abstraction has 6553 states and 9279 transitions. [2022-11-03 01:59:40,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.2) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (6), 2 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-03 01:59:40,806 INFO L276 IsEmpty]: Start isEmpty. Operand 6553 states and 9279 transitions. [2022-11-03 01:59:40,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-03 01:59:40,809 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:59:40,809 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:59:40,809 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 01:59:40,810 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_assert_linux_drivers_base_class__double_registrationErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-03 01:59:40,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:59:40,810 INFO L85 PathProgramCache]: Analyzing trace with hash 1724539358, now seen corresponding path program 1 times [2022-11-03 01:59:40,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:59:40,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934774369] [2022-11-03 01:59:40,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:59:40,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:59:40,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:59:41,525 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-03 01:59:41,526 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:59:41,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934774369] [2022-11-03 01:59:41,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934774369] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:59:41,526 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:59:41,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:59:41,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426546940] [2022-11-03 01:59:41,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:59:41,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:59:41,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:59:41,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:59:41,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:59:41,530 INFO L87 Difference]: Start difference. First operand 6553 states and 9279 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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) [2022-11-03 01:59:45,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:59:47,762 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:59:53,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:59:57,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:59:59,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:00:00,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:00:02,485 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:00:05,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:00:05,027 INFO L93 Difference]: Finished difference Result 10517 states and 14807 transitions. [2022-11-03 02:00:05,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:00:05,028 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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 65 [2022-11-03 02:00:05,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:00:05,098 INFO L225 Difference]: With dead ends: 10517 [2022-11-03 02:00:05,098 INFO L226 Difference]: Without dead ends: 10515 [2022-11-03 02:00:05,107 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:00:05,108 INFO L413 NwaCegarLoop]: 5034 mSDtfsCounter, 2856 mSDsluCounter, 15226 mSDsCounter, 0 mSdLazyCounter, 2435 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2858 SdHoareTripleChecker+Valid, 18491 SdHoareTripleChecker+Invalid, 2440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2435 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:00:05,109 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2858 Valid, 18491 Invalid, 2440 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 2435 Invalid, 3 Unknown, 0 Unchecked, 23.0s Time] [2022-11-03 02:00:05,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10515 states. [2022-11-03 02:00:05,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10515 to 10220. [2022-11-03 02:00:05,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10220 states, 5707 states have (on average 1.2828105834939547) internal successors, (7321), 6193 states have internal predecessors, (7321), 3578 states have call successors, (3578), 900 states have call predecessors, (3578), 899 states have return successors, (3583), 3406 states have call predecessors, (3583), 3576 states have call successors, (3583) [2022-11-03 02:00:05,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10220 states to 10220 states and 14482 transitions. [2022-11-03 02:00:05,753 INFO L78 Accepts]: Start accepts. Automaton has 10220 states and 14482 transitions. Word has length 65 [2022-11-03 02:00:05,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:00:05,754 INFO L495 AbstractCegarLoop]: Abstraction has 10220 states and 14482 transitions. [2022-11-03 02:00:05,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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) [2022-11-03 02:00:05,754 INFO L276 IsEmpty]: Start isEmpty. Operand 10220 states and 14482 transitions. [2022-11-03 02:00:05,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2022-11-03 02:00:05,768 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:00:05,769 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:00:05,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:00:05,770 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-03 02:00:05,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:00:05,771 INFO L85 PathProgramCache]: Analyzing trace with hash 1246383258, now seen corresponding path program 1 times [2022-11-03 02:00:05,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:00:05,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023531283] [2022-11-03 02:00:05,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:00:05,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:00:06,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:00:06,575 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-03 02:00:06,575 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:00:06,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023531283] [2022-11-03 02:00:06,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023531283] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:00:06,576 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:00:06,576 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:00:06,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827913016] [2022-11-03 02:00:06,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:00:06,577 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:00:06,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:00:06,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:00:06,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:00:06,578 INFO L87 Difference]: Start difference. First operand 10220 states and 14482 transitions. Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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) [2022-11-03 02:00:08,175 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:00:09,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:00:13,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:00:15,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:00:20,337 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:00:24,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:00:25,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:00:27,102 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:00:29,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:00:30,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:00:33,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:00:34,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:00:34,073 INFO L93 Difference]: Finished difference Result 19063 states and 27274 transitions. [2022-11-03 02:00:34,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:00:34,074 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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 73 [2022-11-03 02:00:34,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:00:34,200 INFO L225 Difference]: With dead ends: 19063 [2022-11-03 02:00:34,201 INFO L226 Difference]: Without dead ends: 19061 [2022-11-03 02:00:34,216 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 [2022-11-03 02:00:34,217 INFO L413 NwaCegarLoop]: 5088 mSDtfsCounter, 3870 mSDsluCounter, 9578 mSDsCounter, 0 mSdLazyCounter, 1705 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3872 SdHoareTripleChecker+Valid, 13590 SdHoareTripleChecker+Invalid, 1709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1705 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:00:34,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3872 Valid, 13590 Invalid, 1709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1705 Invalid, 3 Unknown, 0 Unchecked, 26.8s Time] [2022-11-03 02:00:34,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19061 states. [2022-11-03 02:00:35,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19061 to 18758. [2022-11-03 02:00:35,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18758 states, 10468 states have (on average 1.2841039358043562) internal successors, (13442), 11336 states have internal predecessors, (13442), 6627 states have call successors, (6627), 1632 states have call predecessors, (6627), 1627 states have return successors, (6865), 6301 states have call predecessors, (6865), 6625 states have call successors, (6865) [2022-11-03 02:00:35,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18758 states to 18758 states and 26934 transitions. [2022-11-03 02:00:35,628 INFO L78 Accepts]: Start accepts. Automaton has 18758 states and 26934 transitions. Word has length 73 [2022-11-03 02:00:35,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:00:35,629 INFO L495 AbstractCegarLoop]: Abstraction has 18758 states and 26934 transitions. [2022-11-03 02:00:35,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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) [2022-11-03 02:00:35,629 INFO L276 IsEmpty]: Start isEmpty. Operand 18758 states and 26934 transitions. [2022-11-03 02:00:35,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-11-03 02:00:35,633 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:00:35,633 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:00:35,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:00:35,634 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-03 02:00:35,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:00:35,634 INFO L85 PathProgramCache]: Analyzing trace with hash -370919653, now seen corresponding path program 1 times [2022-11-03 02:00:35,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:00:35,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772708593] [2022-11-03 02:00:35,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:00:35,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:00:35,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:00:36,248 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-11-03 02:00:36,248 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:00:36,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772708593] [2022-11-03 02:00:36,249 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772708593] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:00:36,249 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:00:36,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:00:36,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389881751] [2022-11-03 02:00:36,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:00:36,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:00:36,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:00:36,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:00:36,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:00:36,252 INFO L87 Difference]: Start difference. First operand 18758 states and 26934 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 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) [2022-11-03 02:00:40,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:00:45,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:00:50,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.30s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:00:52,130 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:00:53,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:00:55,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:00:58,775 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:00:59,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:00:59,208 INFO L93 Difference]: Finished difference Result 28901 states and 41306 transitions. [2022-11-03 02:00:59,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:00:59,209 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 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 75 [2022-11-03 02:00:59,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:00:59,388 INFO L225 Difference]: With dead ends: 28901 [2022-11-03 02:00:59,388 INFO L226 Difference]: Without dead ends: 28899 [2022-11-03 02:00:59,410 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:00:59,411 INFO L413 NwaCegarLoop]: 4371 mSDtfsCounter, 2849 mSDsluCounter, 13555 mSDsCounter, 0 mSdLazyCounter, 1991 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2851 SdHoareTripleChecker+Valid, 16458 SdHoareTripleChecker+Invalid, 1994 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1991 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:00:59,412 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2851 Valid, 16458 Invalid, 1994 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1991 Invalid, 3 Unknown, 0 Unchecked, 22.0s Time] [2022-11-03 02:00:59,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28899 states. [2022-11-03 02:01:01,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28899 to 28594. [2022-11-03 02:01:01,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28594 states, 15914 states have (on average 1.2825813748900339) internal successors, (20411), 17275 states have internal predecessors, (20411), 10087 states have call successors, (10087), 2564 states have call predecessors, (10087), 2558 states have return successors, (10471), 9558 states have call predecessors, (10471), 10085 states have call successors, (10471) [2022-11-03 02:01:01,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28594 states to 28594 states and 40969 transitions. [2022-11-03 02:01:01,453 INFO L78 Accepts]: Start accepts. Automaton has 28594 states and 40969 transitions. Word has length 75 [2022-11-03 02:01:01,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:01:01,455 INFO L495 AbstractCegarLoop]: Abstraction has 28594 states and 40969 transitions. [2022-11-03 02:01:01,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 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) [2022-11-03 02:01:01,456 INFO L276 IsEmpty]: Start isEmpty. Operand 28594 states and 40969 transitions. [2022-11-03 02:01:01,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2022-11-03 02:01:01,459 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:01:01,459 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:01:01,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 02:01:01,459 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-03 02:01:01,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:01:01,460 INFO L85 PathProgramCache]: Analyzing trace with hash 760509229, now seen corresponding path program 1 times [2022-11-03 02:01:01,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:01:01,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254389115] [2022-11-03 02:01:01,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:01:01,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:01:01,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:01:02,006 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-03 02:01:02,006 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:01:02,006 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254389115] [2022-11-03 02:01:02,006 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254389115] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:01:02,007 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:01:02,007 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:01:02,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [200868992] [2022-11-03 02:01:02,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:01:02,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:01:02,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:01:02,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:01:02,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:01:02,009 INFO L87 Difference]: Start difference. First operand 28594 states and 40969 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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) [2022-11-03 02:01:03,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:01:05,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:01:06,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:01:08,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:01:12,450 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:01:16,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:01:17,490 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:01:19,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:01:20,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:01:20,594 INFO L93 Difference]: Finished difference Result 28605 states and 40975 transitions. [2022-11-03 02:01:20,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:01:20,595 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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 78 [2022-11-03 02:01:20,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:01:20,743 INFO L225 Difference]: With dead ends: 28605 [2022-11-03 02:01:20,743 INFO L226 Difference]: Without dead ends: 28603 [2022-11-03 02:01:20,759 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 [2022-11-03 02:01:20,759 INFO L413 NwaCegarLoop]: 3837 mSDtfsCounter, 3883 mSDsluCounter, 5890 mSDsCounter, 0 mSdLazyCounter, 1145 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3886 SdHoareTripleChecker+Valid, 9056 SdHoareTripleChecker+Invalid, 1147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1145 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:01:20,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3886 Valid, 9056 Invalid, 1147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1145 Invalid, 2 Unknown, 0 Unchecked, 17.4s Time] [2022-11-03 02:01:20,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28603 states. [2022-11-03 02:01:22,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28603 to 28592. [2022-11-03 02:01:22,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28592 states, 15913 states have (on average 1.2824734493810093) internal successors, (20408), 17273 states have internal predecessors, (20408), 10087 states have call successors, (10087), 2564 states have call predecessors, (10087), 2558 states have return successors, (10471), 9558 states have call predecessors, (10471), 10085 states have call successors, (10471) [2022-11-03 02:01:22,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28592 states to 28592 states and 40966 transitions. [2022-11-03 02:01:22,537 INFO L78 Accepts]: Start accepts. Automaton has 28592 states and 40966 transitions. Word has length 78 [2022-11-03 02:01:22,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:01:22,538 INFO L495 AbstractCegarLoop]: Abstraction has 28592 states and 40966 transitions. [2022-11-03 02:01:22,538 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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) [2022-11-03 02:01:22,539 INFO L276 IsEmpty]: Start isEmpty. Operand 28592 states and 40966 transitions. [2022-11-03 02:01:22,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2022-11-03 02:01:22,540 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:01:22,541 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:01:22,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 02:01:22,541 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-03 02:01:22,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:01:22,542 INFO L85 PathProgramCache]: Analyzing trace with hash 1317860871, now seen corresponding path program 1 times [2022-11-03 02:01:22,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:01:22,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604020606] [2022-11-03 02:01:22,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:01:22,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:01:22,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:01:23,324 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-03 02:01:23,325 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:01:23,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604020606] [2022-11-03 02:01:23,325 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604020606] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:01:23,325 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:01:23,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:01:23,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918935017] [2022-11-03 02:01:23,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:01:23,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:01:23,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:01:23,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:01:23,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:01:23,328 INFO L87 Difference]: Start difference. First operand 28592 states and 40966 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2022-11-03 02:01:25,392 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:01:27,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:01:32,126 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:01:35,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:01:36,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:01:38,457 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.33s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:01:41,567 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 [] [2022-11-03 02:01:41,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:01:41,969 INFO L93 Difference]: Finished difference Result 28895 states and 41295 transitions. [2022-11-03 02:01:41,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:01:41,970 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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 83 [2022-11-03 02:01:41,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:01:42,123 INFO L225 Difference]: With dead ends: 28895 [2022-11-03 02:01:42,123 INFO L226 Difference]: Without dead ends: 28893 [2022-11-03 02:01:42,140 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 [2022-11-03 02:01:42,141 INFO L413 NwaCegarLoop]: 4373 mSDtfsCounter, 2839 mSDsluCounter, 8680 mSDsCounter, 0 mSdLazyCounter, 1470 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2842 SdHoareTripleChecker+Valid, 12093 SdHoareTripleChecker+Invalid, 1475 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1470 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:01:42,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2842 Valid, 12093 Invalid, 1475 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1470 Invalid, 4 Unknown, 0 Unchecked, 17.4s Time] [2022-11-03 02:01:42,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28893 states. [2022-11-03 02:01:43,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28893 to 28642. [2022-11-03 02:01:43,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28642 states, 15943 states have (on average 1.282067364987769) internal successors, (20440), 17303 states have internal predecessors, (20440), 10099 states have call successors, (10099), 2572 states have call predecessors, (10099), 2566 states have return successors, (10483), 9570 states have call predecessors, (10483), 10097 states have call successors, (10483) [2022-11-03 02:01:43,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28642 states to 28642 states and 41022 transitions. [2022-11-03 02:01:43,858 INFO L78 Accepts]: Start accepts. Automaton has 28642 states and 41022 transitions. Word has length 83 [2022-11-03 02:01:43,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:01:43,861 INFO L495 AbstractCegarLoop]: Abstraction has 28642 states and 41022 transitions. [2022-11-03 02:01:43,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 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) [2022-11-03 02:01:43,861 INFO L276 IsEmpty]: Start isEmpty. Operand 28642 states and 41022 transitions. [2022-11-03 02:01:43,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-11-03 02:01:43,865 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:01:43,865 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:01:43,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 02:01:43,866 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_fs_char_dev_unregister_chrdev_regionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-03 02:01:43,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:01:43,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1601403098, now seen corresponding path program 1 times [2022-11-03 02:01:43,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:01:43,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125876698] [2022-11-03 02:01:43,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:01:43,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:01:44,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:01:46,880 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-11-03 02:01:46,880 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:01:46,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125876698] [2022-11-03 02:01:46,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125876698] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:01:46,880 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:01:46,881 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-11-03 02:01:46,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227175786] [2022-11-03 02:01:46,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:01:46,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-03 02:01:46,882 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:01:46,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-03 02:01:46,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2022-11-03 02:01:46,883 INFO L87 Difference]: Start difference. First operand 28642 states and 41022 transitions. Second operand has 13 states, 10 states have (on average 3.6) internal successors, (36), 12 states have internal predecessors, (36), 7 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 7 states have call predecessors, (15), 7 states have call successors, (15) [2022-11-03 02:01:48,957 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:01:53,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:02:06,627 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:02:11,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:02:14,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:02:15,508 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:02:16,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:02:18,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:02:20,129 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:02:21,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:02:23,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:02:24,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:02:25,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:02:26,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:02:28,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.74s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:02:29,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:02:35,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:02:35,232 INFO L93 Difference]: Finished difference Result 37904 states and 54001 transitions. [2022-11-03 02:02:35,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-03 02:02:35,233 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 3.6) internal successors, (36), 12 states have internal predecessors, (36), 7 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 7 states have call predecessors, (15), 7 states have call successors, (15) Word has length 85 [2022-11-03 02:02:35,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:02:35,333 INFO L225 Difference]: With dead ends: 37904 [2022-11-03 02:02:35,334 INFO L226 Difference]: Without dead ends: 19180 [2022-11-03 02:02:35,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=101, Invalid=405, Unknown=0, NotChecked=0, Total=506 [2022-11-03 02:02:35,445 INFO L413 NwaCegarLoop]: 3478 mSDtfsCounter, 47 mSDsluCounter, 42901 mSDsCounter, 0 mSdLazyCounter, 6478 mSolverCounterSat, 247 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 44.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 41273 SdHoareTripleChecker+Invalid, 6728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 247 IncrementalHoareTripleChecker+Valid, 6478 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 46.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:02:35,445 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 41273 Invalid, 6728 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [247 Valid, 6478 Invalid, 3 Unknown, 0 Unchecked, 46.8s Time] [2022-11-03 02:02:35,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19180 states. [2022-11-03 02:02:36,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19180 to 19035. [2022-11-03 02:02:36,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19035 states, 10599 states have (on average 1.279743372016228) internal successors, (13564), 11533 states have internal predecessors, (13564), 6624 states have call successors, (6624), 1780 states have call predecessors, (6624), 1778 states have return successors, (6868), 6251 states have call predecessors, (6868), 6622 states have call successors, (6868) [2022-11-03 02:02:36,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19035 states to 19035 states and 27056 transitions. [2022-11-03 02:02:36,732 INFO L78 Accepts]: Start accepts. Automaton has 19035 states and 27056 transitions. Word has length 85 [2022-11-03 02:02:36,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:02:36,733 INFO L495 AbstractCegarLoop]: Abstraction has 19035 states and 27056 transitions. [2022-11-03 02:02:36,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 3.6) internal successors, (36), 12 states have internal predecessors, (36), 7 states have call successors, (16), 2 states have call predecessors, (16), 3 states have return successors, (15), 7 states have call predecessors, (15), 7 states have call successors, (15) [2022-11-03 02:02:36,733 INFO L276 IsEmpty]: Start isEmpty. Operand 19035 states and 27056 transitions. [2022-11-03 02:02:36,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-11-03 02:02:36,735 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:02:36,735 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:02:36,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 02:02:36,736 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-03 02:02:36,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:02:36,736 INFO L85 PathProgramCache]: Analyzing trace with hash 589714025, now seen corresponding path program 1 times [2022-11-03 02:02:36,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:02:36,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387824710] [2022-11-03 02:02:36,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:02:36,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:02:36,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:02:37,385 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-03 02:02:37,386 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:02:37,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387824710] [2022-11-03 02:02:37,386 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387824710] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:02:37,386 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:02:37,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:02:37,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384258002] [2022-11-03 02:02:37,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:02:37,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:02:37,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:02:37,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:02:37,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:02:37,390 INFO L87 Difference]: Start difference. First operand 19035 states and 27056 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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) [2022-11-03 02:02:39,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:02:40,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:02:42,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:02:43,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:02:45,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:02:49,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:02:53,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:02:54,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:02:56,520 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:02:59,584 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 [] [2022-11-03 02:02:59,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:02:59,837 INFO L93 Difference]: Finished difference Result 19046 states and 27062 transitions. [2022-11-03 02:02:59,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:02:59,838 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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 88 [2022-11-03 02:02:59,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:02:59,928 INFO L225 Difference]: With dead ends: 19046 [2022-11-03 02:02:59,928 INFO L226 Difference]: Without dead ends: 19044 [2022-11-03 02:02:59,943 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 [2022-11-03 02:02:59,944 INFO L413 NwaCegarLoop]: 3835 mSDtfsCounter, 3876 mSDsluCounter, 5887 mSDsCounter, 0 mSdLazyCounter, 1143 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3881 SdHoareTripleChecker+Valid, 9052 SdHoareTripleChecker+Invalid, 1146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1143 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:02:59,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3881 Valid, 9052 Invalid, 1146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1143 Invalid, 3 Unknown, 0 Unchecked, 21.6s Time] [2022-11-03 02:02:59,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19044 states. [2022-11-03 02:03:01,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19044 to 19033. [2022-11-03 02:03:01,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19033 states, 10598 states have (on average 1.2795810530288734) internal successors, (13561), 11531 states have internal predecessors, (13561), 6624 states have call successors, (6624), 1780 states have call predecessors, (6624), 1778 states have return successors, (6868), 6251 states have call predecessors, (6868), 6622 states have call successors, (6868) [2022-11-03 02:03:01,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19033 states to 19033 states and 27053 transitions. [2022-11-03 02:03:01,198 INFO L78 Accepts]: Start accepts. Automaton has 19033 states and 27053 transitions. Word has length 88 [2022-11-03 02:03:01,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:03:01,199 INFO L495 AbstractCegarLoop]: Abstraction has 19033 states and 27053 transitions. [2022-11-03 02:03:01,199 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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) [2022-11-03 02:03:01,199 INFO L276 IsEmpty]: Start isEmpty. Operand 19033 states and 27053 transitions. [2022-11-03 02:03:01,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-03 02:03:01,201 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:03:01,201 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:03:01,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-03 02:03:01,201 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-03 02:03:01,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:03:01,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1832600497, now seen corresponding path program 1 times [2022-11-03 02:03:01,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:03:01,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512460749] [2022-11-03 02:03:01,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:03:01,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:03:01,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:03:01,792 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-03 02:03:01,792 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:03:01,792 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512460749] [2022-11-03 02:03:01,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512460749] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:03:01,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:03:01,793 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:03:01,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197209032] [2022-11-03 02:03:01,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:03:01,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:03:01,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:03:01,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:03:01,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:03:01,795 INFO L87 Difference]: Start difference. First operand 19033 states and 27053 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 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) [2022-11-03 02:03:03,862 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:03:06,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:03:10,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:03:15,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:03:18,002 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:03:19,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:03:22,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:03:24,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:03:26,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:03:26,434 INFO L93 Difference]: Finished difference Result 19416 states and 27471 transitions. [2022-11-03 02:03:26,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:03:26,435 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 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 93 [2022-11-03 02:03:26,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:03:26,519 INFO L225 Difference]: With dead ends: 19416 [2022-11-03 02:03:26,520 INFO L226 Difference]: Without dead ends: 19414 [2022-11-03 02:03:26,534 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 [2022-11-03 02:03:26,535 INFO L413 NwaCegarLoop]: 5795 mSDtfsCounter, 2835 mSDsluCounter, 10416 mSDsCounter, 0 mSdLazyCounter, 2017 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2838 SdHoareTripleChecker+Valid, 14975 SdHoareTripleChecker+Invalid, 2024 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2017 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:03:26,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2838 Valid, 14975 Invalid, 2024 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2017 Invalid, 5 Unknown, 0 Unchecked, 23.5s Time] [2022-11-03 02:03:26,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19414 states. [2022-11-03 02:03:27,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19414 to 19181. [2022-11-03 02:03:27,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19181 states, 10682 states have (on average 1.2777569743493729) internal successors, (13649), 11615 states have internal predecessors, (13649), 6662 states have call successors, (6662), 1806 states have call predecessors, (6662), 1804 states have return successors, (6906), 6289 states have call predecessors, (6906), 6660 states have call successors, (6906) [2022-11-03 02:03:27,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19181 states to 19181 states and 27217 transitions. [2022-11-03 02:03:27,769 INFO L78 Accepts]: Start accepts. Automaton has 19181 states and 27217 transitions. Word has length 93 [2022-11-03 02:03:27,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:03:27,769 INFO L495 AbstractCegarLoop]: Abstraction has 19181 states and 27217 transitions. [2022-11-03 02:03:27,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 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) [2022-11-03 02:03:27,770 INFO L276 IsEmpty]: Start isEmpty. Operand 19181 states and 27217 transitions. [2022-11-03 02:03:27,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2022-11-03 02:03:27,772 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:03:27,772 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:03:27,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-03 02:03:27,773 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-03 02:03:27,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:03:27,774 INFO L85 PathProgramCache]: Analyzing trace with hash -769662229, now seen corresponding path program 1 times [2022-11-03 02:03:27,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:03:27,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9771252] [2022-11-03 02:03:27,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:03:27,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:03:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:03:28,350 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-03 02:03:28,350 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:03:28,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9771252] [2022-11-03 02:03:28,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9771252] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:03:28,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:03:28,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:03:28,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649850832] [2022-11-03 02:03:28,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:03:28,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:03:28,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:03:28,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:03:28,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:03:28,353 INFO L87 Difference]: Start difference. First operand 19181 states and 27217 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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) [2022-11-03 02:03:29,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:03:31,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:03:33,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:03:36,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:03:38,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:03:42,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:03:46,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:03:49,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:03:49,340 INFO L93 Difference]: Finished difference Result 19291 states and 27308 transitions. [2022-11-03 02:03:49,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:03:49,341 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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 98 [2022-11-03 02:03:49,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:03:49,407 INFO L225 Difference]: With dead ends: 19291 [2022-11-03 02:03:49,407 INFO L226 Difference]: Without dead ends: 19289 [2022-11-03 02:03:49,416 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 [2022-11-03 02:03:49,417 INFO L413 NwaCegarLoop]: 4590 mSDtfsCounter, 2034 mSDsluCounter, 9042 mSDsCounter, 0 mSdLazyCounter, 1720 mSolverCounterSat, 2 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2040 SdHoareTripleChecker+Valid, 12545 SdHoareTripleChecker+Invalid, 1727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1720 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:03:49,417 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2040 Valid, 12545 Invalid, 1727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1720 Invalid, 5 Unknown, 0 Unchecked, 19.9s Time] [2022-11-03 02:03:49,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19289 states. [2022-11-03 02:03:50,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19289 to 19217. [2022-11-03 02:03:50,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19217 states, 10702 states have (on average 1.27714445897963) internal successors, (13668), 11635 states have internal predecessors, (13668), 6670 states have call successors, (6670), 1814 states have call predecessors, (6670), 1812 states have return successors, (6914), 6297 states have call predecessors, (6914), 6668 states have call successors, (6914) [2022-11-03 02:03:50,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19217 states to 19217 states and 27252 transitions. [2022-11-03 02:03:50,533 INFO L78 Accepts]: Start accepts. Automaton has 19217 states and 27252 transitions. Word has length 98 [2022-11-03 02:03:50,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:03:50,533 INFO L495 AbstractCegarLoop]: Abstraction has 19217 states and 27252 transitions. [2022-11-03 02:03:50,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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) [2022-11-03 02:03:50,534 INFO L276 IsEmpty]: Start isEmpty. Operand 19217 states and 27252 transitions. [2022-11-03 02:03:50,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2022-11-03 02:03:50,536 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:03:50,536 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:03:50,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-03 02:03:50,537 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_fs_char_dev_unregister_chrdev_regionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-03 02:03:50,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:03:50,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1951879654, now seen corresponding path program 1 times [2022-11-03 02:03:50,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:03:50,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1637960955] [2022-11-03 02:03:50,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:03:50,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:03:50,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:03:51,254 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-11-03 02:03:51,254 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:03:51,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1637960955] [2022-11-03 02:03:51,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1637960955] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:03:51,255 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:03:51,255 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:03:51,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074529854] [2022-11-03 02:03:51,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:03:51,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:03:51,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:03:51,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:03:51,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:03:51,257 INFO L87 Difference]: Start difference. First operand 19217 states and 27252 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 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) [2022-11-03 02:03:53,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:03:55,143 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:03:57,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:04:01,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:04:06,012 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:04:07,362 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:04:10,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:04:11,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:04:11,857 INFO L93 Difference]: Finished difference Result 19289 states and 27306 transitions. [2022-11-03 02:04:11,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:04:11,858 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 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 96 [2022-11-03 02:04:11,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:04:11,924 INFO L225 Difference]: With dead ends: 19289 [2022-11-03 02:04:11,924 INFO L226 Difference]: Without dead ends: 19287 [2022-11-03 02:04:11,935 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:04:11,935 INFO L413 NwaCegarLoop]: 4518 mSDtfsCounter, 3808 mSDsluCounter, 7150 mSDsCounter, 0 mSdLazyCounter, 1397 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3809 SdHoareTripleChecker+Valid, 10846 SdHoareTripleChecker+Invalid, 1401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1397 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:04:11,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3809 Valid, 10846 Invalid, 1401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1397 Invalid, 3 Unknown, 0 Unchecked, 19.5s Time] [2022-11-03 02:04:11,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19287 states. [2022-11-03 02:04:12,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19287 to 19229. [2022-11-03 02:04:12,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19229 states, 10710 states have (on average 1.2765639589169) internal successors, (13672), 11639 states have internal predecessors, (13672), 6674 states have call successors, (6674), 1818 states have call predecessors, (6674), 1812 states have return successors, (6918), 6301 states have call predecessors, (6918), 6672 states have call successors, (6918) [2022-11-03 02:04:13,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19229 states to 19229 states and 27264 transitions. [2022-11-03 02:04:13,065 INFO L78 Accepts]: Start accepts. Automaton has 19229 states and 27264 transitions. Word has length 96 [2022-11-03 02:04:13,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:04:13,065 INFO L495 AbstractCegarLoop]: Abstraction has 19229 states and 27264 transitions. [2022-11-03 02:04:13,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 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) [2022-11-03 02:04:13,066 INFO L276 IsEmpty]: Start isEmpty. Operand 19229 states and 27264 transitions. [2022-11-03 02:04:13,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-03 02:04:13,067 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:04:13,067 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:04:13,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-03 02:04:13,068 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-03 02:04:13,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:04:13,069 INFO L85 PathProgramCache]: Analyzing trace with hash -905530064, now seen corresponding path program 1 times [2022-11-03 02:04:13,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:04:13,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890150112] [2022-11-03 02:04:13,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:04:13,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:04:13,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:04:13,583 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-03 02:04:13,583 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:04:13,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890150112] [2022-11-03 02:04:13,583 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890150112] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:04:13,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:04:13,584 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:04:13,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098168892] [2022-11-03 02:04:13,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:04:13,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:04:13,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:04:13,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:04:13,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:04:13,586 INFO L87 Difference]: Start difference. First operand 19229 states and 27264 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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) [2022-11-03 02:04:15,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:04:18,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:04:20,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:04:24,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:04:28,276 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:04:29,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:04:31,999 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:04:33,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:04:33,949 INFO L93 Difference]: Finished difference Result 19486 states and 27541 transitions. [2022-11-03 02:04:33,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:04:33,950 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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 103 [2022-11-03 02:04:33,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:04:34,042 INFO L225 Difference]: With dead ends: 19486 [2022-11-03 02:04:34,042 INFO L226 Difference]: Without dead ends: 19484 [2022-11-03 02:04:34,057 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 [2022-11-03 02:04:34,058 INFO L413 NwaCegarLoop]: 4371 mSDtfsCounter, 2831 mSDsluCounter, 8676 mSDsCounter, 0 mSdLazyCounter, 1472 mSolverCounterSat, 1 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2834 SdHoareTripleChecker+Valid, 12085 SdHoareTripleChecker+Invalid, 1477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1472 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:04:34,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2834 Valid, 12085 Invalid, 1477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1472 Invalid, 4 Unknown, 0 Unchecked, 19.1s Time] [2022-11-03 02:04:34,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19484 states. [2022-11-03 02:04:35,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19484 to 19285. [2022-11-03 02:04:35,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19285 states, 10740 states have (on average 1.2760707635009312) internal successors, (13705), 11669 states have internal predecessors, (13705), 6690 states have call successors, (6690), 1828 states have call predecessors, (6690), 1822 states have return successors, (6934), 6317 states have call predecessors, (6934), 6688 states have call successors, (6934) [2022-11-03 02:04:35,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19285 states to 19285 states and 27329 transitions. [2022-11-03 02:04:35,702 INFO L78 Accepts]: Start accepts. Automaton has 19285 states and 27329 transitions. Word has length 103 [2022-11-03 02:04:35,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:04:35,705 INFO L495 AbstractCegarLoop]: Abstraction has 19285 states and 27329 transitions. [2022-11-03 02:04:35,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 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) [2022-11-03 02:04:35,705 INFO L276 IsEmpty]: Start isEmpty. Operand 19285 states and 27329 transitions. [2022-11-03 02:04:35,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-03 02:04:35,708 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:04:35,709 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:04:35,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-03 02:04:35,709 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_usb_gadget_unregister_chrdev_regionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-03 02:04:35,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:04:35,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1437040345, now seen corresponding path program 1 times [2022-11-03 02:04:35,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:04:35,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463995160] [2022-11-03 02:04:35,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:04:35,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:04:35,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:04:36,262 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-11-03 02:04:36,263 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:04:36,263 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463995160] [2022-11-03 02:04:36,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463995160] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:04:36,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:04:36,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:04:36,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303271513] [2022-11-03 02:04:36,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:04:36,264 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:04:36,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:04:36,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:04:36,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:04:36,265 INFO L87 Difference]: Start difference. First operand 19285 states and 27329 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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) [2022-11-03 02:04:37,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:04:38,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:04:41,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:04:43,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:04:47,506 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:04:51,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:04:53,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:04:55,453 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:04:57,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:04:57,441 INFO L93 Difference]: Finished difference Result 19484 states and 27538 transitions. [2022-11-03 02:04:57,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:04:57,442 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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 101 [2022-11-03 02:04:57,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:04:57,517 INFO L225 Difference]: With dead ends: 19484 [2022-11-03 02:04:57,517 INFO L226 Difference]: Without dead ends: 19482 [2022-11-03 02:04:57,525 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 [2022-11-03 02:04:57,526 INFO L413 NwaCegarLoop]: 4369 mSDtfsCounter, 2824 mSDsluCounter, 8674 mSDsCounter, 0 mSdLazyCounter, 1481 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2827 SdHoareTripleChecker+Valid, 12079 SdHoareTripleChecker+Invalid, 1485 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1481 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:04:57,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2827 Valid, 12079 Invalid, 1485 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1481 Invalid, 3 Unknown, 0 Unchecked, 19.8s Time] [2022-11-03 02:04:57,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19482 states. [2022-11-03 02:04:58,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19482 to 19285. [2022-11-03 02:04:58,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19285 states, 10740 states have (on average 1.2756983240223463) internal successors, (13701), 11669 states have internal predecessors, (13701), 6690 states have call successors, (6690), 1828 states have call predecessors, (6690), 1822 states have return successors, (6934), 6317 states have call predecessors, (6934), 6688 states have call successors, (6934) [2022-11-03 02:04:58,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19285 states to 19285 states and 27325 transitions. [2022-11-03 02:04:58,569 INFO L78 Accepts]: Start accepts. Automaton has 19285 states and 27325 transitions. Word has length 101 [2022-11-03 02:04:58,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:04:58,569 INFO L495 AbstractCegarLoop]: Abstraction has 19285 states and 27325 transitions. [2022-11-03 02:04:58,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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) [2022-11-03 02:04:58,570 INFO L276 IsEmpty]: Start isEmpty. Operand 19285 states and 27325 transitions. [2022-11-03 02:04:58,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2022-11-03 02:04:58,572 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:04:58,572 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:04:58,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-03 02:04:58,572 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-03 02:04:58,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:04:58,573 INFO L85 PathProgramCache]: Analyzing trace with hash 552416729, now seen corresponding path program 1 times [2022-11-03 02:04:58,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:04:58,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725438986] [2022-11-03 02:04:58,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:04:58,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:04:58,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:04:59,147 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-03 02:04:59,147 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:04:59,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725438986] [2022-11-03 02:04:59,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725438986] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:04:59,147 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:04:59,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 02:04:59,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914909627] [2022-11-03 02:04:59,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:04:59,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 02:04:59,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:04:59,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 02:04:59,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:04:59,149 INFO L87 Difference]: Start difference. First operand 19285 states and 27325 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 4 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2022-11-03 02:05:01,222 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:05:03,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:05:09,676 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:05:14,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:05:16,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:05:16,760 INFO L93 Difference]: Finished difference Result 19509 states and 27609 transitions. [2022-11-03 02:05:16,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:05:16,761 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 4 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 104 [2022-11-03 02:05:16,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:05:16,823 INFO L225 Difference]: With dead ends: 19509 [2022-11-03 02:05:16,823 INFO L226 Difference]: Without dead ends: 19355 [2022-11-03 02:05:16,834 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-03 02:05:16,835 INFO L413 NwaCegarLoop]: 3728 mSDtfsCounter, 1258 mSDsluCounter, 10106 mSDsCounter, 0 mSdLazyCounter, 1618 mSolverCounterSat, 1117 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1258 SdHoareTripleChecker+Valid, 12726 SdHoareTripleChecker+Invalid, 2738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1117 IncrementalHoareTripleChecker+Valid, 1618 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:05:16,835 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1258 Valid, 12726 Invalid, 2738 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1117 Valid, 1618 Invalid, 3 Unknown, 0 Unchecked, 16.5s Time] [2022-11-03 02:05:16,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19355 states. [2022-11-03 02:05:17,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19355 to 19276. [2022-11-03 02:05:17,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19276 states, 10735 states have (on average 1.2757335817419655) internal successors, (13695), 11664 states have internal predecessors, (13695), 6686 states have call successors, (6686), 1828 states have call predecessors, (6686), 1822 states have return successors, (6930), 6313 states have call predecessors, (6930), 6684 states have call successors, (6930) [2022-11-03 02:05:17,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19276 states to 19276 states and 27311 transitions. [2022-11-03 02:05:18,001 INFO L78 Accepts]: Start accepts. Automaton has 19276 states and 27311 transitions. Word has length 104 [2022-11-03 02:05:18,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:05:18,001 INFO L495 AbstractCegarLoop]: Abstraction has 19276 states and 27311 transitions. [2022-11-03 02:05:18,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 4 states have call successors, (19), 2 states have call predecessors, (19), 1 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2022-11-03 02:05:18,001 INFO L276 IsEmpty]: Start isEmpty. Operand 19276 states and 27311 transitions. [2022-11-03 02:05:18,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-11-03 02:05:18,002 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:05:18,002 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:05:18,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-03 02:05:18,003 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-03 02:05:18,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:05:18,003 INFO L85 PathProgramCache]: Analyzing trace with hash 898406406, now seen corresponding path program 1 times [2022-11-03 02:05:18,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:05:18,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684655318] [2022-11-03 02:05:18,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:05:18,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:05:18,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:05:18,462 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-03 02:05:18,463 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:05:18,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684655318] [2022-11-03 02:05:18,466 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684655318] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:05:18,466 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:05:18,466 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:05:18,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430404062] [2022-11-03 02:05:18,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:05:18,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:05:18,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:05:18,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:05:18,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:05:18,468 INFO L87 Difference]: Start difference. First operand 19276 states and 27311 transitions. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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) [2022-11-03 02:05:20,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:05:22,914 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:05:27,164 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:05:31,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:05:32,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:05:34,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:05:37,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:05:37,513 INFO L93 Difference]: Finished difference Result 19473 states and 27519 transitions. [2022-11-03 02:05:37,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:05:37,514 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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 108 [2022-11-03 02:05:37,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:05:37,578 INFO L225 Difference]: With dead ends: 19473 [2022-11-03 02:05:37,578 INFO L226 Difference]: Without dead ends: 19471 [2022-11-03 02:05:37,589 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 [2022-11-03 02:05:37,589 INFO L413 NwaCegarLoop]: 4371 mSDtfsCounter, 2834 mSDsluCounter, 8672 mSDsCounter, 0 mSdLazyCounter, 1473 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2837 SdHoareTripleChecker+Valid, 12081 SdHoareTripleChecker+Invalid, 1477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1473 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:05:37,589 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2837 Valid, 12081 Invalid, 1477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1473 Invalid, 3 Unknown, 0 Unchecked, 17.7s Time] [2022-11-03 02:05:37,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19471 states. [2022-11-03 02:05:38,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19471 to 19291. [2022-11-03 02:05:38,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19291 states, 10745 states have (on average 1.275663099115868) internal successors, (13707), 11674 states have internal predecessors, (13707), 6689 states have call successors, (6689), 1830 states have call predecessors, (6689), 1824 states have return successors, (6933), 6316 states have call predecessors, (6933), 6687 states have call successors, (6933) [2022-11-03 02:05:38,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19291 states to 19291 states and 27329 transitions. [2022-11-03 02:05:38,857 INFO L78 Accepts]: Start accepts. Automaton has 19291 states and 27329 transitions. Word has length 108 [2022-11-03 02:05:38,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:05:38,858 INFO L495 AbstractCegarLoop]: Abstraction has 19291 states and 27329 transitions. [2022-11-03 02:05:38,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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) [2022-11-03 02:05:38,858 INFO L276 IsEmpty]: Start isEmpty. Operand 19291 states and 27329 transitions. [2022-11-03 02:05:38,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-11-03 02:05:38,859 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:05:38,859 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:05:38,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-03 02:05:38,860 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-03 02:05:38,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:05:38,861 INFO L85 PathProgramCache]: Analyzing trace with hash 80346217, now seen corresponding path program 1 times [2022-11-03 02:05:38,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:05:38,861 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283877994] [2022-11-03 02:05:38,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:05:38,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:05:38,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:05:39,376 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-03 02:05:39,376 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:05:39,376 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283877994] [2022-11-03 02:05:39,376 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283877994] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:05:39,377 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:05:39,377 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:05:39,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059050764] [2022-11-03 02:05:39,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:05:39,378 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:05:39,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:05:39,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:05:39,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:05:39,380 INFO L87 Difference]: Start difference. First operand 19291 states and 27329 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 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) [2022-11-03 02:05:41,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:05:43,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:05:45,512 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:05:49,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:05:53,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:05:55,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:05:56,929 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:05:58,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:05:58,430 INFO L93 Difference]: Finished difference Result 19302 states and 27335 transitions. [2022-11-03 02:05:58,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:05:58,431 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 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 110 [2022-11-03 02:05:58,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:05:58,494 INFO L225 Difference]: With dead ends: 19302 [2022-11-03 02:05:58,494 INFO L226 Difference]: Without dead ends: 19300 [2022-11-03 02:05:58,502 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 [2022-11-03 02:05:58,502 INFO L413 NwaCegarLoop]: 3833 mSDtfsCounter, 3871 mSDsluCounter, 5885 mSDsCounter, 0 mSdLazyCounter, 1143 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3874 SdHoareTripleChecker+Valid, 9048 SdHoareTripleChecker+Invalid, 1146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1143 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:05:58,503 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3874 Valid, 9048 Invalid, 1146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1143 Invalid, 3 Unknown, 0 Unchecked, 17.6s Time] [2022-11-03 02:05:58,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19300 states. [2022-11-03 02:05:59,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19300 to 19289. [2022-11-03 02:05:59,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19289 states, 10744 states have (on average 1.2753164556962024) internal successors, (13702), 11672 states have internal predecessors, (13702), 6689 states have call successors, (6689), 1830 states have call predecessors, (6689), 1824 states have return successors, (6933), 6316 states have call predecessors, (6933), 6687 states have call successors, (6933) [2022-11-03 02:05:59,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19289 states to 19289 states and 27324 transitions. [2022-11-03 02:05:59,681 INFO L78 Accepts]: Start accepts. Automaton has 19289 states and 27324 transitions. Word has length 110 [2022-11-03 02:05:59,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:05:59,682 INFO L495 AbstractCegarLoop]: Abstraction has 19289 states and 27324 transitions. [2022-11-03 02:05:59,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 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) [2022-11-03 02:05:59,682 INFO L276 IsEmpty]: Start isEmpty. Operand 19289 states and 27324 transitions. [2022-11-03 02:05:59,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2022-11-03 02:05:59,684 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:05:59,685 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:05:59,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-03 02:05:59,685 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-03 02:05:59,685 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:05:59,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1253061280, now seen corresponding path program 1 times [2022-11-03 02:05:59,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:05:59,686 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561805183] [2022-11-03 02:05:59,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:05:59,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:05:59,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:06:00,322 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-03 02:06:00,322 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:06:00,322 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561805183] [2022-11-03 02:06:00,323 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561805183] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:06:00,323 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:06:00,323 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:06:00,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738961037] [2022-11-03 02:06:00,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:06:00,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:06:00,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:06:00,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:06:00,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:06:00,326 INFO L87 Difference]: Start difference. First operand 19289 states and 27324 transitions. Second operand has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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) [2022-11-03 02:06:01,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:06:03,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:06:06,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:06:10,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:06:14,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:06:16,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:06:18,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:06:20,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:06:20,050 INFO L93 Difference]: Finished difference Result 19467 states and 27510 transitions. [2022-11-03 02:06:20,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:06:20,050 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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 115 [2022-11-03 02:06:20,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:06:20,110 INFO L225 Difference]: With dead ends: 19467 [2022-11-03 02:06:20,110 INFO L226 Difference]: Without dead ends: 19465 [2022-11-03 02:06:20,120 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 [2022-11-03 02:06:20,120 INFO L413 NwaCegarLoop]: 4369 mSDtfsCounter, 2821 mSDsluCounter, 8673 mSDsCounter, 0 mSdLazyCounter, 1474 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2824 SdHoareTripleChecker+Valid, 12079 SdHoareTripleChecker+Invalid, 1478 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1474 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:06:20,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2824 Valid, 12079 Invalid, 1478 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1474 Invalid, 3 Unknown, 0 Unchecked, 18.3s Time] [2022-11-03 02:06:20,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19465 states. [2022-11-03 02:06:21,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19465 to 19300. [2022-11-03 02:06:21,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19300 states, 10750 states have (on average 1.2751627906976744) internal successors, (13708), 11678 states have internal predecessors, (13708), 6692 states have call successors, (6692), 1832 states have call predecessors, (6692), 1826 states have return successors, (6936), 6319 states have call predecessors, (6936), 6690 states have call successors, (6936) [2022-11-03 02:06:21,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19300 states to 19300 states and 27336 transitions. [2022-11-03 02:06:21,333 INFO L78 Accepts]: Start accepts. Automaton has 19300 states and 27336 transitions. Word has length 115 [2022-11-03 02:06:21,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:06:21,334 INFO L495 AbstractCegarLoop]: Abstraction has 19300 states and 27336 transitions. [2022-11-03 02:06:21,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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) [2022-11-03 02:06:21,334 INFO L276 IsEmpty]: Start isEmpty. Operand 19300 states and 27336 transitions. [2022-11-03 02:06:21,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-11-03 02:06:21,335 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:06:21,336 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:06:21,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-03 02:06:21,336 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_drivers_base_class_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-03 02:06:21,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:06:21,337 INFO L85 PathProgramCache]: Analyzing trace with hash -2068414709, now seen corresponding path program 1 times [2022-11-03 02:06:21,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:06:21,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234641999] [2022-11-03 02:06:21,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:06:21,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:06:21,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:06:23,091 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-11-03 02:06:23,091 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:06:23,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234641999] [2022-11-03 02:06:23,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234641999] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:06:23,091 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:06:23,091 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-11-03 02:06:23,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079964946] [2022-11-03 02:06:23,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:06:23,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-03 02:06:23,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:06:23,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-03 02:06:23,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:06:23,093 INFO L87 Difference]: Start difference. First operand 19300 states and 27336 transitions. Second operand has 10 states, 9 states have (on average 5.333333333333333) internal successors, (48), 8 states have internal predecessors, (48), 6 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 6 states have call predecessors, (18), 5 states have call successors, (18) [2022-11-03 02:06:24,550 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:06:27,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:06:29,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:06:30,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:06:32,050 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:06:34,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:06:35,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:06:39,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:06:49,046 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:06:56,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:06:57,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:06:59,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:07:01,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:07:03,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:07:05,189 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:07:06,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:07:08,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:07:11,140 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:07:13,304 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:07:18,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:07:18,598 INFO L93 Difference]: Finished difference Result 32527 states and 45959 transitions. [2022-11-03 02:07:18,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-03 02:07:18,599 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.333333333333333) internal successors, (48), 8 states have internal predecessors, (48), 6 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 6 states have call predecessors, (18), 5 states have call successors, (18) Word has length 111 [2022-11-03 02:07:18,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:07:18,704 INFO L225 Difference]: With dead ends: 32527 [2022-11-03 02:07:18,705 INFO L226 Difference]: Without dead ends: 32118 [2022-11-03 02:07:18,718 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2022-11-03 02:07:18,718 INFO L413 NwaCegarLoop]: 4284 mSDtfsCounter, 3134 mSDsluCounter, 37284 mSDsCounter, 0 mSdLazyCounter, 5756 mSolverCounterSat, 584 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3138 SdHoareTripleChecker+Valid, 37569 SdHoareTripleChecker+Invalid, 6347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 584 IncrementalHoareTripleChecker+Valid, 5756 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 52.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:07:18,719 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3138 Valid, 37569 Invalid, 6347 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [584 Valid, 5756 Invalid, 7 Unknown, 0 Unchecked, 52.8s Time] [2022-11-03 02:07:18,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32118 states. [2022-11-03 02:07:21,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32118 to 31635. [2022-11-03 02:07:21,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31635 states, 17581 states have (on average 1.2759228712814972) internal successors, (22432), 19135 states have internal predecessors, (22432), 11019 states have call successors, (11019), 3016 states have call predecessors, (11019), 3003 states have return successors, (11444), 10381 states have call predecessors, (11444), 11017 states have call successors, (11444) [2022-11-03 02:07:21,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31635 states to 31635 states and 44895 transitions. [2022-11-03 02:07:21,475 INFO L78 Accepts]: Start accepts. Automaton has 31635 states and 44895 transitions. Word has length 111 [2022-11-03 02:07:21,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:07:21,475 INFO L495 AbstractCegarLoop]: Abstraction has 31635 states and 44895 transitions. [2022-11-03 02:07:21,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.333333333333333) internal successors, (48), 8 states have internal predecessors, (48), 6 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 6 states have call predecessors, (18), 5 states have call successors, (18) [2022-11-03 02:07:21,475 INFO L276 IsEmpty]: Start isEmpty. Operand 31635 states and 44895 transitions. [2022-11-03 02:07:21,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-03 02:07:21,478 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:07:21,478 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:07:21,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-03 02:07:21,478 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-03 02:07:21,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:07:21,479 INFO L85 PathProgramCache]: Analyzing trace with hash 737149345, now seen corresponding path program 1 times [2022-11-03 02:07:21,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:07:21,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559353231] [2022-11-03 02:07:21,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:07:21,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:07:21,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:07:21,962 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-03 02:07:21,963 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:07:21,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559353231] [2022-11-03 02:07:21,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1559353231] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:07:21,963 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:07:21,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:07:21,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019678280] [2022-11-03 02:07:21,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:07:21,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:07:21,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:07:21,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:07:21,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:07:21,965 INFO L87 Difference]: Start difference. First operand 31635 states and 44895 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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) [2022-11-03 02:07:24,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:07:26,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:07:28,920 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:07:32,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:07:37,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:07:38,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:07:41,982 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:07:44,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:07:44,143 INFO L93 Difference]: Finished difference Result 31800 states and 45066 transitions. [2022-11-03 02:07:44,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:07:44,144 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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 120 [2022-11-03 02:07:44,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:07:44,296 INFO L225 Difference]: With dead ends: 31800 [2022-11-03 02:07:44,296 INFO L226 Difference]: Without dead ends: 31798 [2022-11-03 02:07:44,307 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 [2022-11-03 02:07:44,308 INFO L413 NwaCegarLoop]: 4369 mSDtfsCounter, 2818 mSDsluCounter, 8672 mSDsCounter, 0 mSdLazyCounter, 1471 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2821 SdHoareTripleChecker+Valid, 12079 SdHoareTripleChecker+Invalid, 1477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1471 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:07:44,308 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2821 Valid, 12079 Invalid, 1477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1471 Invalid, 5 Unknown, 0 Unchecked, 19.8s Time] [2022-11-03 02:07:44,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31798 states. [2022-11-03 02:07:46,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31798 to 31646. [2022-11-03 02:07:46,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31646 states, 17587 states have (on average 1.275828737135384) internal successors, (22438), 19141 states have internal predecessors, (22438), 11022 states have call successors, (11022), 3018 states have call predecessors, (11022), 3005 states have return successors, (11447), 10384 states have call predecessors, (11447), 11020 states have call successors, (11447) [2022-11-03 02:07:46,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31646 states to 31646 states and 44907 transitions. [2022-11-03 02:07:46,712 INFO L78 Accepts]: Start accepts. Automaton has 31646 states and 44907 transitions. Word has length 120 [2022-11-03 02:07:46,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:07:46,712 INFO L495 AbstractCegarLoop]: Abstraction has 31646 states and 44907 transitions. [2022-11-03 02:07:46,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 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) [2022-11-03 02:07:46,713 INFO L276 IsEmpty]: Start isEmpty. Operand 31646 states and 44907 transitions. [2022-11-03 02:07:46,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-11-03 02:07:46,715 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:07:46,715 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:07:46,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-03 02:07:46,715 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_usb_gadget_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-03 02:07:46,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:07:46,716 INFO L85 PathProgramCache]: Analyzing trace with hash -370547707, now seen corresponding path program 1 times [2022-11-03 02:07:46,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:07:46,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425356871] [2022-11-03 02:07:46,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:07:46,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:07:46,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:07:47,200 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2022-11-03 02:07:47,200 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:07:47,200 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425356871] [2022-11-03 02:07:47,201 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425356871] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:07:47,201 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:07:47,201 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:07:47,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107339425] [2022-11-03 02:07:47,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:07:47,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:07:47,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:07:47,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:07:47,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:07:47,204 INFO L87 Difference]: Start difference. First operand 31646 states and 44907 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, (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) [2022-11-03 02:07:48,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:07:50,950 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:07:53,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:07:58,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:08:03,065 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:08:04,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:08:07,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:08:10,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:08:10,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:08:10,865 INFO L93 Difference]: Finished difference Result 31846 states and 45111 transitions. [2022-11-03 02:08:10,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:08:10,866 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, (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 116 [2022-11-03 02:08:10,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:08:10,984 INFO L225 Difference]: With dead ends: 31846 [2022-11-03 02:08:10,984 INFO L226 Difference]: Without dead ends: 31844 [2022-11-03 02:08:10,999 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 [2022-11-03 02:08:11,000 INFO L413 NwaCegarLoop]: 4372 mSDtfsCounter, 2808 mSDsluCounter, 8676 mSDsCounter, 0 mSdLazyCounter, 1480 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2809 SdHoareTripleChecker+Valid, 12085 SdHoareTripleChecker+Invalid, 1484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1480 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:08:11,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2809 Valid, 12085 Invalid, 1484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1480 Invalid, 3 Unknown, 0 Unchecked, 20.7s Time] [2022-11-03 02:08:11,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31844 states. [2022-11-03 02:08:13,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31844 to 31646. [2022-11-03 02:08:13,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31646 states, 17587 states have (on average 1.2749189742423381) internal successors, (22422), 19141 states have internal predecessors, (22422), 11022 states have call successors, (11022), 3018 states have call predecessors, (11022), 3005 states have return successors, (11447), 10384 states have call predecessors, (11447), 11020 states have call successors, (11447) [2022-11-03 02:08:13,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31646 states to 31646 states and 44891 transitions. [2022-11-03 02:08:13,578 INFO L78 Accepts]: Start accepts. Automaton has 31646 states and 44891 transitions. Word has length 116 [2022-11-03 02:08:13,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:08:13,579 INFO L495 AbstractCegarLoop]: Abstraction has 31646 states and 44891 transitions. [2022-11-03 02:08:13,579 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, (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) [2022-11-03 02:08:13,579 INFO L276 IsEmpty]: Start isEmpty. Operand 31646 states and 44891 transitions. [2022-11-03 02:08:13,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-11-03 02:08:13,582 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:08:13,583 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:08:13,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-03 02:08:13,583 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-03 02:08:13,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:08:13,584 INFO L85 PathProgramCache]: Analyzing trace with hash -547505688, now seen corresponding path program 1 times [2022-11-03 02:08:13,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:08:13,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267175593] [2022-11-03 02:08:13,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:08:13,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:08:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:08:14,176 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-03 02:08:14,176 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:08:14,176 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267175593] [2022-11-03 02:08:14,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267175593] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:08:14,177 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:08:14,177 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:08:14,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850675559] [2022-11-03 02:08:14,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:08:14,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:08:14,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:08:14,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:08:14,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:08:14,179 INFO L87 Difference]: Start difference. First operand 31646 states and 44891 transitions. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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) [2022-11-03 02:08:16,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:08:17,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:08:19,787 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:08:21,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:08:26,900 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:08:31,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:08:34,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:08:34,385 INFO L93 Difference]: Finished difference Result 31657 states and 44897 transitions. [2022-11-03 02:08:34,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 02:08:34,386 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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 125 [2022-11-03 02:08:34,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:08:34,522 INFO L225 Difference]: With dead ends: 31657 [2022-11-03 02:08:34,522 INFO L226 Difference]: Without dead ends: 31655 [2022-11-03 02:08:34,537 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 [2022-11-03 02:08:34,538 INFO L413 NwaCegarLoop]: 3831 mSDtfsCounter, 3864 mSDsluCounter, 5882 mSDsCounter, 0 mSdLazyCounter, 1142 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3870 SdHoareTripleChecker+Valid, 9044 SdHoareTripleChecker+Invalid, 1145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1142 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.4s IncrementalHoareTripleChecker+Time [2022-11-03 02:08:34,538 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3870 Valid, 9044 Invalid, 1145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1142 Invalid, 3 Unknown, 0 Unchecked, 17.4s Time] [2022-11-03 02:08:34,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31655 states. [2022-11-03 02:08:37,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31655 to 31644. [2022-11-03 02:08:37,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31644 states, 17586 states have (on average 1.27482088024565) internal successors, (22419), 19139 states have internal predecessors, (22419), 11022 states have call successors, (11022), 3018 states have call predecessors, (11022), 3005 states have return successors, (11447), 10384 states have call predecessors, (11447), 11020 states have call successors, (11447) [2022-11-03 02:08:37,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31644 states to 31644 states and 44888 transitions. [2022-11-03 02:08:37,439 INFO L78 Accepts]: Start accepts. Automaton has 31644 states and 44888 transitions. Word has length 125 [2022-11-03 02:08:37,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:08:37,439 INFO L495 AbstractCegarLoop]: Abstraction has 31644 states and 44888 transitions. [2022-11-03 02:08:37,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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) [2022-11-03 02:08:37,440 INFO L276 IsEmpty]: Start isEmpty. Operand 31644 states and 44888 transitions. [2022-11-03 02:08:37,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2022-11-03 02:08:37,442 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:08:37,442 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:08:37,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-03 02:08:37,443 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_linux_drivers_base_class_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-03 02:08:37,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:08:37,444 INFO L85 PathProgramCache]: Analyzing trace with hash -268829245, now seen corresponding path program 1 times [2022-11-03 02:08:37,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:08:37,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329006492] [2022-11-03 02:08:37,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:08:37,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:08:38,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:08:38,833 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 6 proven. 12 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2022-11-03 02:08:38,833 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:08:38,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329006492] [2022-11-03 02:08:38,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329006492] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:08:38,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [812935623] [2022-11-03 02:08:38,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:08:38,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:08:38,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:08:38,836 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:08:38,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 02:08:40,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:08:40,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 3546 conjuncts, 36 conjunts are in the unsatisfiable core [2022-11-03 02:08:40,818 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:08:41,003 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-11-03 02:08:41,004 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:08:41,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [812935623] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:08:41,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:08:41,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 10 [2022-11-03 02:08:41,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085189164] [2022-11-03 02:08:41,007 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:08:41,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-03 02:08:41,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:08:41,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-03 02:08:41,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-11-03 02:08:41,008 INFO L87 Difference]: Start difference. First operand 31644 states and 44888 transitions. Second operand has 8 states, 6 states have (on average 9.166666666666666) internal successors, (55), 8 states have internal predecessors, (55), 5 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 4 states have call predecessors, (21), 5 states have call successors, (21) [2022-11-03 02:08:42,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:08:44,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:08:46,322 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:08:48,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:08:50,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:08:52,373 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:08:56,040 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:09:05,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:09:08,225 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:09:12,529 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:09:17,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-03 02:09:18,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:09:18,995 INFO L93 Difference]: Finished difference Result 63298 states and 89818 transitions. [2022-11-03 02:09:18,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-03 02:09:18,996 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 9.166666666666666) internal successors, (55), 8 states have internal predecessors, (55), 5 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 4 states have call predecessors, (21), 5 states have call successors, (21) Word has length 124 [2022-11-03 02:09:18,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:09:19,280 INFO L225 Difference]: With dead ends: 63298 [2022-11-03 02:09:19,280 INFO L226 Difference]: Without dead ends: 31700 [2022-11-03 02:09:19,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2022-11-03 02:09:19,434 INFO L413 NwaCegarLoop]: 3543 mSDtfsCounter, 370 mSDsluCounter, 23255 mSDsCounter, 0 mSdLazyCounter, 4023 mSolverCounterSat, 340 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 33.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 370 SdHoareTripleChecker+Valid, 24017 SdHoareTripleChecker+Invalid, 4370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 340 IncrementalHoareTripleChecker+Valid, 4023 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 34.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:09:19,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [370 Valid, 24017 Invalid, 4370 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [340 Valid, 4023 Invalid, 7 Unknown, 0 Unchecked, 34.7s Time] [2022-11-03 02:09:19,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31700 states. [2022-11-03 02:09:21,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31700 to 31644. [2022-11-03 02:09:21,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31644 states, 17586 states have (on average 1.2747640168315706) internal successors, (22418), 19138 states have internal predecessors, (22418), 11022 states have call successors, (11022), 3018 states have call predecessors, (11022), 3005 states have return successors, (11447), 10384 states have call predecessors, (11447), 11020 states have call successors, (11447) [2022-11-03 02:09:22,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31644 states to 31644 states and 44887 transitions. [2022-11-03 02:09:22,097 INFO L78 Accepts]: Start accepts. Automaton has 31644 states and 44887 transitions. Word has length 124 [2022-11-03 02:09:22,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:09:22,098 INFO L495 AbstractCegarLoop]: Abstraction has 31644 states and 44887 transitions. [2022-11-03 02:09:22,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 9.166666666666666) internal successors, (55), 8 states have internal predecessors, (55), 5 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 4 states have call predecessors, (21), 5 states have call successors, (21) [2022-11-03 02:09:22,098 INFO L276 IsEmpty]: Start isEmpty. Operand 31644 states and 44887 transitions. [2022-11-03 02:09:22,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-03 02:09:22,100 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:09:22,101 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:09:22,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 02:09:22,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2022-11-03 02:09:22,315 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-03 02:09:22,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:09:22,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1116740925, now seen corresponding path program 1 times [2022-11-03 02:09:22,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:09:22,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507858506] [2022-11-03 02:09:22,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:09:22,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:09:22,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:09:22,857 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-11-03 02:09:22,857 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:09:22,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507858506] [2022-11-03 02:09:22,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507858506] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:09:22,858 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:09:22,858 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:09:22,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223992587] [2022-11-03 02:09:22,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:09:22,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:09:22,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:09:22,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:09:22,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:09:22,859 INFO L87 Difference]: Start difference. First operand 31644 states and 44887 transitions. Second operand has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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) [2022-11-03 02:09:24,930 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:09:27,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:09:31,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:09:36,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:09:38,099 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:09:40,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 02:09:42,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:09:42,348 INFO L93 Difference]: Finished difference Result 31792 states and 45039 transitions. [2022-11-03 02:09:42,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:09:42,349 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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 130 [2022-11-03 02:09:42,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:09:42,473 INFO L225 Difference]: With dead ends: 31792 [2022-11-03 02:09:42,473 INFO L226 Difference]: Without dead ends: 31790 [2022-11-03 02:09:42,489 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 [2022-11-03 02:09:42,490 INFO L413 NwaCegarLoop]: 4367 mSDtfsCounter, 2810 mSDsluCounter, 8668 mSDsCounter, 0 mSdLazyCounter, 1473 mSolverCounterSat, 1 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2813 SdHoareTripleChecker+Valid, 12073 SdHoareTripleChecker+Invalid, 1477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1473 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.8s IncrementalHoareTripleChecker+Time [2022-11-03 02:09:42,490 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2813 Valid, 12073 Invalid, 1477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1473 Invalid, 3 Unknown, 0 Unchecked, 16.8s Time] [2022-11-03 02:09:42,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31790 states. [2022-11-03 02:09:45,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31790 to 31666. [2022-11-03 02:09:45,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31666 states, 17598 states have (on average 1.2745766564382317) internal successors, (22430), 19150 states have internal predecessors, (22430), 11028 states have call successors, (11028), 3022 states have call predecessors, (11028), 3009 states have return successors, (11453), 10390 states have call predecessors, (11453), 11026 states have call successors, (11453) [2022-11-03 02:09:45,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31666 states to 31666 states and 44911 transitions. [2022-11-03 02:09:45,514 INFO L78 Accepts]: Start accepts. Automaton has 31666 states and 44911 transitions. Word has length 130 [2022-11-03 02:09:45,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:09:45,515 INFO L495 AbstractCegarLoop]: Abstraction has 31666 states and 44911 transitions. [2022-11-03 02:09:45,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 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) [2022-11-03 02:09:45,515 INFO L276 IsEmpty]: Start isEmpty. Operand 31666 states and 44911 transitions. [2022-11-03 02:09:45,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-11-03 02:09:45,517 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:09:45,517 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:09:45,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-03 02:09:45,517 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_linux_drivers_base_class_destroy_classErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_assert_linux_usb_gadget__class_registration_with_usb_gadgetErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 37 more)] === [2022-11-03 02:09:45,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:09:45,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1897200311, now seen corresponding path program 1 times [2022-11-03 02:09:45,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:09:45,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088761825] [2022-11-03 02:09:45,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:09:45,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:09:45,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:09:50,795 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2022-11-03 02:09:50,796 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:09:50,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088761825] [2022-11-03 02:09:50,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088761825] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:09:50,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1395103600] [2022-11-03 02:09:50,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:09:50,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:09:50,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:09:50,797 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:09:50,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1fea065-5ddd-4772-9bb2-505df94f3f6d/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 02:09:52,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:09:52,636 INFO L263 TraceCheckSpWp]: Trace formula consists of 3556 conjuncts, 85 conjunts are in the unsatisfiable core [2022-11-03 02:09:52,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:09:54,006 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2022-11-03 02:09:54,007 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:09:55,361 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2022-11-03 02:09:55,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1395103600] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:09:55,362 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1213125663] [2022-11-03 02:09:55,385 INFO L159 IcfgInterpreter]: Started Sifa with 85 locations of interest [2022-11-03 02:09:55,385 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:09:55,389 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:09:55,395 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:09:55,395 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:10:02,020 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-03 02:10:02,280 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-03 02:10:02,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:02,963 INFO L244 Elim1Store]: Index analysis took 111 ms [2022-11-03 02:10:03,317 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 22 select indices, 22 select index equivalence classes, 303 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 1884 treesize of output 1565 [2022-11-03 02:10:04,812 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-03 02:10:06,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:06,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:06,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:06,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:06,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:06,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:06,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:06,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:06,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:06,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:06,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:06,832 INFO L244 Elim1Store]: Index analysis took 110 ms [2022-11-03 02:10:07,658 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 67 select indices, 67 select index equivalence classes, 2238 disjoint index pairs (out of 2211 index pairs), introduced 67 new quantified variables, introduced 0 case distinctions, treesize of input 707 treesize of output 882 [2022-11-03 02:10:08,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:08,968 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 67 select indices, 67 select index equivalence classes, 2215 disjoint index pairs (out of 2211 index pairs), introduced 67 new quantified variables, introduced 0 case distinctions, treesize of input 633 treesize of output 823 [2022-11-03 02:10:09,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:09,982 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 67 select indices, 67 select index equivalence classes, 2212 disjoint index pairs (out of 2211 index pairs), introduced 67 new quantified variables, introduced 0 case distinctions, treesize of input 623 treesize of output 805 [2022-11-03 02:10:11,216 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-03 02:10:11,469 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-03 02:10:11,790 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-03 02:10:11,983 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2022-11-03 02:10:14,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:14,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:14,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:14,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:14,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:14,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:15,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:15,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:15,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:15,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:15,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:15,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:15,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:15,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:15,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:10:15,046 INFO L244 Elim1Store]: Index analysis took 140 ms [2022-11-03 02:10:15,677 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 67 select indices, 67 select index equivalence classes, 2256 disjoint index pairs (out of 2211 index pairs), introduced 67 new quantified variables, introduced 0 case distinctions, treesize of input 727 treesize of output 918 [2022-11-03 02:10:59,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:11:01,142 INFO L244 Elim1Store]: Index analysis took 2017 ms