./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 13180db7de3a8489ee06ea96825d5be5d06449dd3c867f58676a7914255b860c --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-20 04:16:15,659 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-20 04:16:15,660 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-20 04:16:15,690 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-20 04:16:15,692 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-20 04:16:15,693 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-20 04:16:15,696 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-20 04:16:15,700 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-20 04:16:15,702 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-20 04:16:15,705 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-20 04:16:15,706 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-20 04:16:15,708 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-20 04:16:15,708 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-20 04:16:15,709 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-20 04:16:15,711 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-20 04:16:15,712 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-20 04:16:15,713 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-20 04:16:15,714 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-20 04:16:15,717 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-20 04:16:15,722 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-20 04:16:15,723 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-20 04:16:15,724 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-20 04:16:15,725 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-20 04:16:15,725 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-20 04:16:15,727 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-20 04:16:15,732 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-20 04:16:15,732 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-20 04:16:15,733 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-20 04:16:15,734 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-20 04:16:15,734 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-20 04:16:15,735 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-20 04:16:15,736 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-20 04:16:15,737 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-20 04:16:15,738 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-20 04:16:15,738 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-20 04:16:15,739 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-20 04:16:15,739 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-20 04:16:15,739 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-20 04:16:15,740 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-20 04:16:15,740 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-20 04:16:15,741 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-20 04:16:15,742 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-20 04:16:15,744 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-20 04:16:15,762 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-20 04:16:15,764 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-20 04:16:15,764 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-20 04:16:15,764 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-20 04:16:15,765 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-20 04:16:15,765 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-20 04:16:15,765 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-20 04:16:15,766 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-20 04:16:15,766 INFO L138 SettingsManager]: * Use SBE=true [2022-07-20 04:16:15,767 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-20 04:16:15,767 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-20 04:16:15,767 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-20 04:16:15,767 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-20 04:16:15,767 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-20 04:16:15,767 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-20 04:16:15,767 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-20 04:16:15,767 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-20 04:16:15,768 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-20 04:16:15,769 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-20 04:16:15,769 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-20 04:16:15,769 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-20 04:16:15,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 04:16:15,770 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-20 04:16:15,770 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-20 04:16:15,770 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-20 04:16:15,770 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-20 04:16:15,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-20 04:16:15,770 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-20 04:16:15,771 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-20 04:16:15,771 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-20 04:16:15,771 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13180db7de3a8489ee06ea96825d5be5d06449dd3c867f58676a7914255b860c [2022-07-20 04:16:15,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-20 04:16:15,957 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-20 04:16:15,959 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-20 04:16:15,960 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-20 04:16:15,961 INFO L275 PluginConnector]: CDTParser initialized [2022-07-20 04:16:15,962 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i [2022-07-20 04:16:16,004 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5618104c4/761b2b7650a9492db4de8c74bde3426f/FLAG25b101096 [2022-07-20 04:16:16,635 INFO L306 CDTParser]: Found 1 translation units. [2022-07-20 04:16:16,636 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i [2022-07-20 04:16:16,682 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5618104c4/761b2b7650a9492db4de8c74bde3426f/FLAG25b101096 [2022-07-20 04:16:16,777 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5618104c4/761b2b7650a9492db4de8c74bde3426f [2022-07-20 04:16:16,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-20 04:16:16,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-20 04:16:16,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-20 04:16:16,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-20 04:16:16,787 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-20 04:16:16,787 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:16:16" (1/1) ... [2022-07-20 04:16:16,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ff62a0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:16:16, skipping insertion in model container [2022-07-20 04:16:16,788 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 04:16:16" (1/1) ... [2022-07-20 04:16:16,793 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-20 04:16:16,902 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-20 04:16:19,164 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[400642,400655] [2022-07-20 04:16:19,168 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[400787,400800] [2022-07-20 04:16:19,168 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[400933,400946] [2022-07-20 04:16:19,169 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401098,401111] [2022-07-20 04:16:19,170 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401256,401269] [2022-07-20 04:16:19,170 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401414,401427] [2022-07-20 04:16:19,171 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401572,401585] [2022-07-20 04:16:19,171 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401732,401745] [2022-07-20 04:16:19,171 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401891,401904] [2022-07-20 04:16:19,172 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402030,402043] [2022-07-20 04:16:19,172 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402172,402185] [2022-07-20 04:16:19,172 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402321,402334] [2022-07-20 04:16:19,173 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402460,402473] [2022-07-20 04:16:19,173 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402615,402628] [2022-07-20 04:16:19,173 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402775,402788] [2022-07-20 04:16:19,174 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402926,402939] [2022-07-20 04:16:19,174 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403077,403090] [2022-07-20 04:16:19,174 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403229,403242] [2022-07-20 04:16:19,175 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403378,403391] [2022-07-20 04:16:19,175 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403526,403539] [2022-07-20 04:16:19,175 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403683,403696] [2022-07-20 04:16:19,176 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403832,403845] [2022-07-20 04:16:19,176 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403988,404001] [2022-07-20 04:16:19,176 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404141,404154] [2022-07-20 04:16:19,178 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404287,404300] [2022-07-20 04:16:19,178 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404430,404443] [2022-07-20 04:16:19,178 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404582,404595] [2022-07-20 04:16:19,179 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404728,404741] [2022-07-20 04:16:19,179 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404873,404886] [2022-07-20 04:16:19,180 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405027,405040] [2022-07-20 04:16:19,180 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405178,405191] [2022-07-20 04:16:19,181 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405333,405346] [2022-07-20 04:16:19,181 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405485,405498] [2022-07-20 04:16:19,181 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405640,405653] [2022-07-20 04:16:19,182 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405804,405817] [2022-07-20 04:16:19,182 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405960,405973] [2022-07-20 04:16:19,183 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406124,406137] [2022-07-20 04:16:19,183 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406266,406279] [2022-07-20 04:16:19,183 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406424,406437] [2022-07-20 04:16:19,183 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406591,406604] [2022-07-20 04:16:19,184 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406750,406763] [2022-07-20 04:16:19,184 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406909,406922] [2022-07-20 04:16:19,184 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407058,407071] [2022-07-20 04:16:19,184 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407205,407218] [2022-07-20 04:16:19,185 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407344,407357] [2022-07-20 04:16:19,185 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407507,407520] [2022-07-20 04:16:19,185 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407673,407686] [2022-07-20 04:16:19,186 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407837,407850] [2022-07-20 04:16:19,187 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408002,408015] [2022-07-20 04:16:19,187 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408167,408180] [2022-07-20 04:16:19,187 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408333,408346] [2022-07-20 04:16:19,187 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408498,408511] [2022-07-20 04:16:19,188 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408665,408678] [2022-07-20 04:16:19,188 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408825,408838] [2022-07-20 04:16:19,188 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408987,409000] [2022-07-20 04:16:19,189 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409146,409159] [2022-07-20 04:16:19,189 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409292,409305] [2022-07-20 04:16:19,189 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409435,409448] [2022-07-20 04:16:19,189 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409579,409592] [2022-07-20 04:16:19,190 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409722,409735] [2022-07-20 04:16:19,190 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409866,409879] [2022-07-20 04:16:19,191 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410007,410020] [2022-07-20 04:16:19,191 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410145,410158] [2022-07-20 04:16:19,191 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410303,410316] [2022-07-20 04:16:19,192 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410462,410475] [2022-07-20 04:16:19,192 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410618,410631] [2022-07-20 04:16:19,192 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410767,410780] [2022-07-20 04:16:19,193 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410919,410932] [2022-07-20 04:16:19,193 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411070,411083] [2022-07-20 04:16:19,193 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411219,411232] [2022-07-20 04:16:19,193 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411371,411384] [2022-07-20 04:16:19,194 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411519,411532] [2022-07-20 04:16:19,194 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411672,411685] [2022-07-20 04:16:19,194 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411823,411836] [2022-07-20 04:16:19,194 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411973,411986] [2022-07-20 04:16:19,195 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412120,412133] [2022-07-20 04:16:19,195 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412271,412284] [2022-07-20 04:16:19,195 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412422,412435] [2022-07-20 04:16:19,196 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412570,412583] [2022-07-20 04:16:19,196 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412736,412749] [2022-07-20 04:16:19,196 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412905,412918] [2022-07-20 04:16:19,197 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413072,413085] [2022-07-20 04:16:19,197 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413240,413253] [2022-07-20 04:16:19,197 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413390,413403] [2022-07-20 04:16:19,197 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413537,413550] [2022-07-20 04:16:19,198 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413698,413711] [2022-07-20 04:16:19,198 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413868,413881] [2022-07-20 04:16:19,198 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[414030,414043] [2022-07-20 04:16:19,213 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 04:16:19,234 INFO L203 MainTranslator]: Completed pre-run [2022-07-20 04:16:19,469 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[400642,400655] [2022-07-20 04:16:19,470 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[400787,400800] [2022-07-20 04:16:19,471 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[400933,400946] [2022-07-20 04:16:19,471 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401098,401111] [2022-07-20 04:16:19,474 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401256,401269] [2022-07-20 04:16:19,475 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401414,401427] [2022-07-20 04:16:19,475 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401572,401585] [2022-07-20 04:16:19,476 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401732,401745] [2022-07-20 04:16:19,476 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[401891,401904] [2022-07-20 04:16:19,477 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402030,402043] [2022-07-20 04:16:19,477 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402172,402185] [2022-07-20 04:16:19,477 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402321,402334] [2022-07-20 04:16:19,477 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402460,402473] [2022-07-20 04:16:19,478 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402615,402628] [2022-07-20 04:16:19,478 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402775,402788] [2022-07-20 04:16:19,478 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[402926,402939] [2022-07-20 04:16:19,479 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403077,403090] [2022-07-20 04:16:19,479 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403229,403242] [2022-07-20 04:16:19,479 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403378,403391] [2022-07-20 04:16:19,479 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403526,403539] [2022-07-20 04:16:19,480 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403683,403696] [2022-07-20 04:16:19,480 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403832,403845] [2022-07-20 04:16:19,480 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[403988,404001] [2022-07-20 04:16:19,481 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404141,404154] [2022-07-20 04:16:19,481 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404287,404300] [2022-07-20 04:16:19,481 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404430,404443] [2022-07-20 04:16:19,482 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404582,404595] [2022-07-20 04:16:19,482 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404728,404741] [2022-07-20 04:16:19,483 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[404873,404886] [2022-07-20 04:16:19,483 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405027,405040] [2022-07-20 04:16:19,483 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405178,405191] [2022-07-20 04:16:19,484 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405333,405346] [2022-07-20 04:16:19,484 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405485,405498] [2022-07-20 04:16:19,484 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405640,405653] [2022-07-20 04:16:19,485 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405804,405817] [2022-07-20 04:16:19,485 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[405960,405973] [2022-07-20 04:16:19,485 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406124,406137] [2022-07-20 04:16:19,485 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406266,406279] [2022-07-20 04:16:19,486 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406424,406437] [2022-07-20 04:16:19,486 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406591,406604] [2022-07-20 04:16:19,487 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406750,406763] [2022-07-20 04:16:19,488 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[406909,406922] [2022-07-20 04:16:19,489 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407058,407071] [2022-07-20 04:16:19,489 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407205,407218] [2022-07-20 04:16:19,489 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407344,407357] [2022-07-20 04:16:19,489 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407507,407520] [2022-07-20 04:16:19,490 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407673,407686] [2022-07-20 04:16:19,490 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[407837,407850] [2022-07-20 04:16:19,490 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408002,408015] [2022-07-20 04:16:19,491 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408167,408180] [2022-07-20 04:16:19,491 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408333,408346] [2022-07-20 04:16:19,491 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408498,408511] [2022-07-20 04:16:19,492 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408665,408678] [2022-07-20 04:16:19,492 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408825,408838] [2022-07-20 04:16:19,492 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[408987,409000] [2022-07-20 04:16:19,493 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409146,409159] [2022-07-20 04:16:19,493 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409292,409305] [2022-07-20 04:16:19,493 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409435,409448] [2022-07-20 04:16:19,494 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409579,409592] [2022-07-20 04:16:19,494 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409722,409735] [2022-07-20 04:16:19,494 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[409866,409879] [2022-07-20 04:16:19,495 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410007,410020] [2022-07-20 04:16:19,496 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410145,410158] [2022-07-20 04:16:19,498 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410303,410316] [2022-07-20 04:16:19,498 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410462,410475] [2022-07-20 04:16:19,499 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410618,410631] [2022-07-20 04:16:19,499 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410767,410780] [2022-07-20 04:16:19,503 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[410919,410932] [2022-07-20 04:16:19,504 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411070,411083] [2022-07-20 04:16:19,505 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411219,411232] [2022-07-20 04:16:19,505 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411371,411384] [2022-07-20 04:16:19,505 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411519,411532] [2022-07-20 04:16:19,509 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411672,411685] [2022-07-20 04:16:19,510 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411823,411836] [2022-07-20 04:16:19,510 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[411973,411986] [2022-07-20 04:16:19,511 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412120,412133] [2022-07-20 04:16:19,513 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412271,412284] [2022-07-20 04:16:19,514 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412422,412435] [2022-07-20 04:16:19,515 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412570,412583] [2022-07-20 04:16:19,515 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412736,412749] [2022-07-20 04:16:19,516 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[412905,412918] [2022-07-20 04:16:19,516 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413072,413085] [2022-07-20 04:16:19,517 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413240,413253] [2022-07-20 04:16:19,517 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413390,413403] [2022-07-20 04:16:19,517 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413537,413550] [2022-07-20 04:16:19,517 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413698,413711] [2022-07-20 04:16:19,518 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[413868,413881] [2022-07-20 04:16:19,518 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.0-rc1-mav/linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i[414030,414043] [2022-07-20 04:16:19,522 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-20 04:16:19,668 INFO L208 MainTranslator]: Completed translation [2022-07-20 04:16:19,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:16:19 WrapperNode [2022-07-20 04:16:19,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-20 04:16:19,670 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-20 04:16:19,670 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-20 04:16:19,670 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-20 04:16:19,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:16:19" (1/1) ... [2022-07-20 04:16:19,771 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:16:19" (1/1) ... [2022-07-20 04:16:19,896 INFO L137 Inliner]: procedures = 616, calls = 1459, calls flagged for inlining = 273, calls inlined = 178, statements flattened = 2640 [2022-07-20 04:16:19,897 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-20 04:16:19,897 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-20 04:16:19,897 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-20 04:16:19,897 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-20 04:16:19,903 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:16:19" (1/1) ... [2022-07-20 04:16:19,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:16:19" (1/1) ... [2022-07-20 04:16:19,917 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:16:19" (1/1) ... [2022-07-20 04:16:19,917 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:16:19" (1/1) ... [2022-07-20 04:16:19,978 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:16:19" (1/1) ... [2022-07-20 04:16:19,993 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:16:19" (1/1) ... [2022-07-20 04:16:20,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:16:19" (1/1) ... [2022-07-20 04:16:20,021 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-20 04:16:20,022 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-20 04:16:20,022 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-20 04:16:20,022 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-20 04:16:20,023 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:16:19" (1/1) ... [2022-07-20 04:16:20,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-20 04:16:20,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 04:16:20,089 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-20 04:16:20,146 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-20 04:16:20,168 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_total_size [2022-07-20 04:16:20,168 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_total_size [2022-07-20 04:16:20,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-07-20 04:16:20,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-07-20 04:16:20,169 INFO L130 BoogieDeclarations]: Found specification of procedure seq_release_net [2022-07-20 04:16:20,169 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_release_net [2022-07-20 04:16:20,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-20 04:16:20,169 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-20 04:16:20,169 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-20 04:16:20,169 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-20 04:16:20,169 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-20 04:16:20,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-20 04:16:20,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-07-20 04:16:20,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-07-20 04:16:20,170 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-20 04:16:20,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-20 04:16:20,170 INFO L130 BoogieDeclarations]: Found specification of procedure __nfulnl_send [2022-07-20 04:16:20,170 INFO L138 BoogieDeclarations]: Found implementation of procedure __nfulnl_send [2022-07-20 04:16:20,170 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_bh [2022-07-20 04:16:20,170 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_bh [2022-07-20 04:16:20,170 INFO L130 BoogieDeclarations]: Found specification of procedure instance_put [2022-07-20 04:16:20,171 INFO L138 BoogieDeclarations]: Found implementation of procedure instance_put [2022-07-20 04:16:20,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-07-20 04:16:20,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-07-20 04:16:20,171 INFO L130 BoogieDeclarations]: Found specification of procedure nf_log_unregister [2022-07-20 04:16:20,171 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_log_unregister [2022-07-20 04:16:20,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-07-20 04:16:20,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-07-20 04:16:20,171 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-20 04:16:20,171 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-20 04:16:20,171 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-20 04:16:20,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-20 04:16:20,172 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-07-20 04:16:20,172 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-07-20 04:16:20,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-20 04:16:20,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-20 04:16:20,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-07-20 04:16:20,172 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-07-20 04:16:20,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-20 04:16:20,172 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2022-07-20 04:16:20,172 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2022-07-20 04:16:20,172 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-07-20 04:16:20,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-07-20 04:16:20,173 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-20 04:16:20,173 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-20 04:16:20,173 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-20 04:16:20,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-20 04:16:20,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-07-20 04:16:20,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-07-20 04:16:20,173 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-20 04:16:20,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-20 04:16:20,173 INFO L130 BoogieDeclarations]: Found specification of procedure nfnetlink_subsys_unregister [2022-07-20 04:16:20,174 INFO L138 BoogieDeclarations]: Found implementation of procedure nfnetlink_subsys_unregister [2022-07-20 04:16:20,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-07-20 04:16:20,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-07-20 04:16:20,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-20 04:16:20,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-07-20 04:16:20,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-07-20 04:16:20,174 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-07-20 04:16:20,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-07-20 04:16:20,174 INFO L130 BoogieDeclarations]: Found specification of procedure seq_file_net [2022-07-20 04:16:20,175 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_file_net [2022-07-20 04:16:20,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_130 [2022-07-20 04:16:20,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_130 [2022-07-20 04:16:20,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-07-20 04:16:20,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-07-20 04:16:20,175 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_put [2022-07-20 04:16:20,175 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_put [2022-07-20 04:16:20,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_138 [2022-07-20 04:16:20,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_138 [2022-07-20 04:16:20,175 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-07-20 04:16:20,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-07-20 04:16:20,176 INFO L130 BoogieDeclarations]: Found specification of procedure instance_lookup_get [2022-07-20 04:16:20,176 INFO L138 BoogieDeclarations]: Found implementation of procedure instance_lookup_get [2022-07-20 04:16:20,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-20 04:16:20,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-20 04:16:20,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-20 04:16:20,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-20 04:16:20,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-20 04:16:20,176 INFO L130 BoogieDeclarations]: Found specification of procedure seq_show [2022-07-20 04:16:20,176 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_show [2022-07-20 04:16:20,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-07-20 04:16:20,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-07-20 04:16:20,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-20 04:16:20,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-20 04:16:20,177 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_nfulnl_instance [2022-07-20 04:16:20,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_nfulnl_instance [2022-07-20 04:16:20,177 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-20 04:16:20,177 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-20 04:16:20,177 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-20 04:16:20,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-20 04:16:20,178 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2022-07-20 04:16:20,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-20 04:16:20,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-20 04:16:20,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-20 04:16:20,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-20 04:16:20,178 INFO L130 BoogieDeclarations]: Found specification of procedure nful_open [2022-07-20 04:16:20,178 INFO L138 BoogieDeclarations]: Found implementation of procedure nful_open [2022-07-20 04:16:20,178 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-07-20 04:16:20,178 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-07-20 04:16:20,178 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netlink_unregister_notifier [2022-07-20 04:16:20,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netlink_unregister_notifier [2022-07-20 04:16:20,179 INFO L130 BoogieDeclarations]: Found specification of procedure nla_get_be32 [2022-07-20 04:16:20,179 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_get_be32 [2022-07-20 04:16:20,179 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-20 04:16:20,179 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-20 04:16:20,179 INFO L130 BoogieDeclarations]: Found specification of procedure nfnl_log_pernet [2022-07-20 04:16:20,179 INFO L138 BoogieDeclarations]: Found implementation of procedure nfnl_log_pernet [2022-07-20 04:16:20,183 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-07-20 04:16:20,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-07-20 04:16:20,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_for_read_section [2022-07-20 04:16:20,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_for_read_section [2022-07-20 04:16:20,184 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_data [2022-07-20 04:16:20,184 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_data [2022-07-20 04:16:20,184 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-07-20 04:16:20,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-07-20 04:16:20,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-20 04:16:20,185 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-07-20 04:16:20,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-07-20 04:16:20,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-20 04:16:20,185 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock_bh [2022-07-20 04:16:20,185 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock_bh [2022-07-20 04:16:20,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-20 04:16:20,185 INFO L130 BoogieDeclarations]: Found specification of procedure nfnl_log_net_exit [2022-07-20 04:16:20,185 INFO L138 BoogieDeclarations]: Found implementation of procedure nfnl_log_net_exit [2022-07-20 04:16:20,185 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2022-07-20 04:16:20,185 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2022-07-20 04:16:20,185 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-20 04:16:20,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-20 04:16:20,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-07-20 04:16:20,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-07-20 04:16:20,186 INFO L130 BoogieDeclarations]: Found specification of procedure __instance_lookup [2022-07-20 04:16:20,186 INFO L138 BoogieDeclarations]: Found implementation of procedure __instance_lookup [2022-07-20 04:16:20,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-20 04:16:20,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-20 04:16:20,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-20 04:16:20,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-20 04:16:20,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-07-20 04:16:20,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-07-20 04:16:20,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-07-20 04:16:20,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-07-20 04:16:20,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_132 [2022-07-20 04:16:20,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_132 [2022-07-20 04:16:20,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_139 [2022-07-20 04:16:20,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_139 [2022-07-20 04:16:20,187 INFO L130 BoogieDeclarations]: Found specification of procedure netlink_unregister_notifier [2022-07-20 04:16:20,187 INFO L138 BoogieDeclarations]: Found implementation of procedure netlink_unregister_notifier [2022-07-20 04:16:20,187 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2022-07-20 04:16:20,187 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2022-07-20 04:16:20,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-07-20 04:16:20,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-07-20 04:16:20,188 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-20 04:16:20,188 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-20 04:16:20,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-20 04:16:20,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-07-20 04:16:20,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-07-20 04:16:20,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-20 04:16:20,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-20 04:16:20,188 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-07-20 04:16:20,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-07-20 04:16:20,189 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-20 04:16:20,189 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-20 04:16:20,189 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-07-20 04:16:20,189 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-07-20 04:16:20,189 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_bh_held [2022-07-20 04:16:20,189 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_bh_held [2022-07-20 04:16:20,189 INFO L130 BoogieDeclarations]: Found specification of procedure __instance_destroy [2022-07-20 04:16:20,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __instance_destroy [2022-07-20 04:16:20,189 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-20 04:16:20,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-20 04:16:20,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_nfulnl_instance [2022-07-20 04:16:20,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_nfulnl_instance [2022-07-20 04:16:20,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-07-20 04:16:20,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-07-20 04:16:20,197 INFO L130 BoogieDeclarations]: Found specification of procedure instance_hashfn [2022-07-20 04:16:20,197 INFO L138 BoogieDeclarations]: Found implementation of procedure instance_hashfn [2022-07-20 04:16:20,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-20 04:16:20,197 INFO L130 BoogieDeclarations]: Found specification of procedure __nfulnl_flush [2022-07-20 04:16:20,197 INFO L138 BoogieDeclarations]: Found implementation of procedure __nfulnl_flush [2022-07-20 04:16:20,198 INFO L130 BoogieDeclarations]: Found specification of procedure get_next [2022-07-20 04:16:20,198 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next [2022-07-20 04:16:20,608 INFO L234 CfgBuilder]: Building ICFG [2022-07-20 04:16:20,610 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-20 04:16:20,735 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-20 04:16:21,754 INFO L275 CfgBuilder]: Performing block encoding [2022-07-20 04:16:21,765 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-20 04:16:21,766 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-20 04:16:21,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:16:21 BoogieIcfgContainer [2022-07-20 04:16:21,768 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-20 04:16:21,769 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-20 04:16:21,769 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-20 04:16:21,772 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-20 04:16:21,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 04:16:16" (1/3) ... [2022-07-20 04:16:21,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12dd9efd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:16:21, skipping insertion in model container [2022-07-20 04:16:21,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 04:16:19" (2/3) ... [2022-07-20 04:16:21,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12dd9efd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 04:16:21, skipping insertion in model container [2022-07-20 04:16:21,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 04:16:21" (3/3) ... [2022-07-20 04:16:21,774 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i [2022-07-20 04:16:21,791 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-20 04:16:21,791 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 31 error locations. [2022-07-20 04:16:21,869 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-20 04:16:21,875 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@6d037544, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@78c5e747 [2022-07-20 04:16:21,875 INFO L358 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2022-07-20 04:16:21,882 INFO L276 IsEmpty]: Start isEmpty. Operand has 1116 states, 741 states have (on average 1.2496626180836707) internal successors, (926), 797 states have internal predecessors, (926), 260 states have call successors, (260), 84 states have call predecessors, (260), 83 states have return successors, (255), 251 states have call predecessors, (255), 255 states have call successors, (255) [2022-07-20 04:16:21,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-07-20 04:16:21,893 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:16:21,894 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:16:21,894 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_linux_arch_io_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:16:21,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:16:21,900 INFO L85 PathProgramCache]: Analyzing trace with hash -138799992, now seen corresponding path program 1 times [2022-07-20 04:16:21,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:16:21,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [426035049] [2022-07-20 04:16:21,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:16:21,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:16:22,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:22,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:16:22,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:22,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:16:22,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:22,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:16:22,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:22,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-20 04:16:22,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:22,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 04:16:22,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:22,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-20 04:16:22,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:22,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:16:22,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:22,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:16:22,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:22,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:16:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:22,432 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-20 04:16:22,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:16:22,432 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [426035049] [2022-07-20 04:16:22,433 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [426035049] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:16:22,433 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:16:22,433 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:16:22,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089511142] [2022-07-20 04:16:22,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:16:22,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:16:22,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:16:22,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:16:22,456 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:16:22,459 INFO L87 Difference]: Start difference. First operand has 1116 states, 741 states have (on average 1.2496626180836707) internal successors, (926), 797 states have internal predecessors, (926), 260 states have call successors, (260), 84 states have call predecessors, (260), 83 states have return successors, (255), 251 states have call predecessors, (255), 255 states have call successors, (255) Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-20 04:16:24,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:16:24,043 INFO L93 Difference]: Finished difference Result 2200 states and 2931 transitions. [2022-07-20 04:16:24,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:16:24,046 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 70 [2022-07-20 04:16:24,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:16:24,061 INFO L225 Difference]: With dead ends: 2200 [2022-07-20 04:16:24,062 INFO L226 Difference]: Without dead ends: 1093 [2022-07-20 04:16:24,072 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-20 04:16:24,074 INFO L413 NwaCegarLoop]: 1319 mSDtfsCounter, 1961 mSDsluCounter, 1437 mSDsCounter, 0 mSdLazyCounter, 1230 mSolverCounterSat, 806 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2136 SdHoareTripleChecker+Valid, 2756 SdHoareTripleChecker+Invalid, 2036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 806 IncrementalHoareTripleChecker+Valid, 1230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-20 04:16:24,075 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2136 Valid, 2756 Invalid, 2036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [806 Valid, 1230 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-20 04:16:24,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1093 states. [2022-07-20 04:16:24,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1093 to 1093. [2022-07-20 04:16:24,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1093 states, 726 states have (on average 1.1942148760330578) internal successors, (867), 777 states have internal predecessors, (867), 255 states have call successors, (255), 83 states have call predecessors, (255), 82 states have return successors, (253), 249 states have call predecessors, (253), 253 states have call successors, (253) [2022-07-20 04:16:24,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 1093 states and 1375 transitions. [2022-07-20 04:16:24,188 INFO L78 Accepts]: Start accepts. Automaton has 1093 states and 1375 transitions. Word has length 70 [2022-07-20 04:16:24,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:16:24,190 INFO L495 AbstractCegarLoop]: Abstraction has 1093 states and 1375 transitions. [2022-07-20 04:16:24,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 4 states have internal predecessors, (40), 2 states have call successors, (10), 4 states have call predecessors, (10), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-07-20 04:16:24,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 1375 transitions. [2022-07-20 04:16:24,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-07-20 04:16:24,192 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:16:24,193 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:16:24,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-20 04:16:24,193 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_linux_block_genhd_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:16:24,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:16:24,194 INFO L85 PathProgramCache]: Analyzing trace with hash 333096518, now seen corresponding path program 1 times [2022-07-20 04:16:24,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:16:24,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715211896] [2022-07-20 04:16:24,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:16:24,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:16:24,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:24,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:16:24,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:24,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:16:24,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:24,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:16:24,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:24,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-20 04:16:24,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:24,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 04:16:24,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:24,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-20 04:16:24,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:24,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:16:24,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:24,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:16:24,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:24,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:16:24,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:24,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 04:16:24,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:24,401 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-20 04:16:24,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:16:24,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715211896] [2022-07-20 04:16:24,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715211896] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:16:24,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:16:24,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:16:24,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854281408] [2022-07-20 04:16:24,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:16:24,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:16:24,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:16:24,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:16:24,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:16:24,405 INFO L87 Difference]: Start difference. First operand 1093 states and 1375 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-20 04:16:25,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:16:25,730 INFO L93 Difference]: Finished difference Result 1093 states and 1375 transitions. [2022-07-20 04:16:25,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:16:25,731 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 76 [2022-07-20 04:16:25,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:16:25,736 INFO L225 Difference]: With dead ends: 1093 [2022-07-20 04:16:25,736 INFO L226 Difference]: Without dead ends: 1091 [2022-07-20 04:16:25,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-20 04:16:25,737 INFO L413 NwaCegarLoop]: 1299 mSDtfsCounter, 1927 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1216 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2099 SdHoareTripleChecker+Valid, 2716 SdHoareTripleChecker+Invalid, 2012 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-20 04:16:25,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2099 Valid, 2716 Invalid, 2012 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1216 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-20 04:16:25,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1091 states. [2022-07-20 04:16:25,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1091 to 1091. [2022-07-20 04:16:25,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1091 states, 725 states have (on average 1.193103448275862) internal successors, (865), 775 states have internal predecessors, (865), 255 states have call successors, (255), 83 states have call predecessors, (255), 82 states have return successors, (253), 249 states have call predecessors, (253), 253 states have call successors, (253) [2022-07-20 04:16:25,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1373 transitions. [2022-07-20 04:16:25,773 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1373 transitions. Word has length 76 [2022-07-20 04:16:25,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:16:25,773 INFO L495 AbstractCegarLoop]: Abstraction has 1091 states and 1373 transitions. [2022-07-20 04:16:25,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (11), 4 states have call predecessors, (11), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-07-20 04:16:25,774 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1373 transitions. [2022-07-20 04:16:25,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-07-20 04:16:25,775 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:16:25,775 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:16:25,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-20 04:16:25,776 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_linux_block_queue_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:16:25,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:16:25,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1375714423, now seen corresponding path program 1 times [2022-07-20 04:16:25,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:16:25,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786895208] [2022-07-20 04:16:25,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:16:25,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:16:25,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:25,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:16:25,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:25,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:16:25,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:25,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:16:25,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:25,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-20 04:16:25,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:25,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 04:16:25,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:25,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-20 04:16:25,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:25,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:16:25,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:25,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:16:25,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:25,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:16:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:25,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 04:16:25,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:25,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-20 04:16:25,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:25,930 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-20 04:16:25,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:16:25,930 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786895208] [2022-07-20 04:16:25,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786895208] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:16:25,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:16:25,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:16:25,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433425435] [2022-07-20 04:16:25,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:16:25,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:16:25,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:16:25,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:16:25,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:16:25,932 INFO L87 Difference]: Start difference. First operand 1091 states and 1373 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-20 04:16:27,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:16:27,221 INFO L93 Difference]: Finished difference Result 1091 states and 1373 transitions. [2022-07-20 04:16:27,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:16:27,221 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 82 [2022-07-20 04:16:27,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:16:27,227 INFO L225 Difference]: With dead ends: 1091 [2022-07-20 04:16:27,227 INFO L226 Difference]: Without dead ends: 1089 [2022-07-20 04:16:27,228 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-20 04:16:27,228 INFO L413 NwaCegarLoop]: 1297 mSDtfsCounter, 1921 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1214 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2092 SdHoareTripleChecker+Valid, 2714 SdHoareTripleChecker+Invalid, 2010 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-20 04:16:27,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2092 Valid, 2714 Invalid, 2010 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1214 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-20 04:16:27,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2022-07-20 04:16:27,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 1089. [2022-07-20 04:16:27,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1089 states, 724 states have (on average 1.191988950276243) internal successors, (863), 773 states have internal predecessors, (863), 255 states have call successors, (255), 83 states have call predecessors, (255), 82 states have return successors, (253), 249 states have call predecessors, (253), 253 states have call successors, (253) [2022-07-20 04:16:27,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 1089 states and 1371 transitions. [2022-07-20 04:16:27,266 INFO L78 Accepts]: Start accepts. Automaton has 1089 states and 1371 transitions. Word has length 82 [2022-07-20 04:16:27,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:16:27,266 INFO L495 AbstractCegarLoop]: Abstraction has 1089 states and 1371 transitions. [2022-07-20 04:16:27,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (12), 4 states have call predecessors, (12), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-07-20 04:16:27,267 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1371 transitions. [2022-07-20 04:16:27,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-07-20 04:16:27,268 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:16:27,268 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:16:27,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-20 04:16:27,268 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting nfnl_log_pernetErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:16:27,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:16:27,269 INFO L85 PathProgramCache]: Analyzing trace with hash -62631502, now seen corresponding path program 1 times [2022-07-20 04:16:27,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:16:27,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544831110] [2022-07-20 04:16:27,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:16:27,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:16:27,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:27,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:16:27,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:27,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:16:27,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:27,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:16:27,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:27,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-20 04:16:27,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:27,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:16:27,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:27,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:16:27,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:27,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:16:27,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:27,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-20 04:16:27,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:27,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 04:16:27,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:27,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:16:27,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:27,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:16:27,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:27,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:16:27,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:27,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-20 04:16:27,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:27,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-20 04:16:27,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:27,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-20 04:16:27,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:27,491 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-07-20 04:16:27,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:16:27,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544831110] [2022-07-20 04:16:27,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544831110] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:16:27,492 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:16:27,492 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:16:27,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371220338] [2022-07-20 04:16:27,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:16:27,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:16:27,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:16:27,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:16:27,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:16:27,493 INFO L87 Difference]: Start difference. First operand 1089 states and 1371 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-20 04:16:29,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:16:29,612 INFO L93 Difference]: Finished difference Result 1862 states and 2308 transitions. [2022-07-20 04:16:29,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-20 04:16:29,612 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 97 [2022-07-20 04:16:29,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:16:29,620 INFO L225 Difference]: With dead ends: 1862 [2022-07-20 04:16:29,620 INFO L226 Difference]: Without dead ends: 1860 [2022-07-20 04:16:29,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-07-20 04:16:29,622 INFO L413 NwaCegarLoop]: 1567 mSDtfsCounter, 1359 mSDsluCounter, 2714 mSDsCounter, 0 mSdLazyCounter, 2912 mSolverCounterSat, 511 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1514 SdHoareTripleChecker+Valid, 4281 SdHoareTripleChecker+Invalid, 3423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 511 IncrementalHoareTripleChecker+Valid, 2912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-20 04:16:29,622 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1514 Valid, 4281 Invalid, 3423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [511 Valid, 2912 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-20 04:16:29,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1860 states. [2022-07-20 04:16:29,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1860 to 1597. [2022-07-20 04:16:29,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1597 states, 1060 states have (on average 1.180188679245283) internal successors, (1251), 1125 states have internal predecessors, (1251), 379 states have call successors, (379), 132 states have call predecessors, (379), 130 states have return successors, (379), 364 states have call predecessors, (379), 377 states have call successors, (379) [2022-07-20 04:16:29,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1597 states to 1597 states and 2009 transitions. [2022-07-20 04:16:29,677 INFO L78 Accepts]: Start accepts. Automaton has 1597 states and 2009 transitions. Word has length 97 [2022-07-20 04:16:29,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:16:29,677 INFO L495 AbstractCegarLoop]: Abstraction has 1597 states and 2009 transitions. [2022-07-20 04:16:29,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 3 states have call successors, (13), 3 states have call predecessors, (13), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-20 04:16:29,678 INFO L276 IsEmpty]: Start isEmpty. Operand 1597 states and 2009 transitions. [2022-07-20 04:16:29,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-07-20 04:16:29,679 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:16:29,679 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:16:29,679 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-20 04:16:29,679 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_linux_block_request_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:16:29,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:16:29,680 INFO L85 PathProgramCache]: Analyzing trace with hash 591565888, now seen corresponding path program 1 times [2022-07-20 04:16:29,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:16:29,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485230677] [2022-07-20 04:16:29,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:16:29,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:16:29,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:29,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:16:29,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:29,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:16:29,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:29,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:16:29,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:29,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-20 04:16:29,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:29,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 04:16:29,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:29,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-20 04:16:29,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:29,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:16:29,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:29,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:16:29,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:29,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:16:29,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:29,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 04:16:29,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:29,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-20 04:16:29,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:29,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-20 04:16:29,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:29,864 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-20 04:16:29,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:16:29,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485230677] [2022-07-20 04:16:29,864 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485230677] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:16:29,865 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:16:29,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:16:29,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607445606] [2022-07-20 04:16:29,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:16:29,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:16:29,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:16:29,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:16:29,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:16:29,866 INFO L87 Difference]: Start difference. First operand 1597 states and 2009 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-20 04:16:31,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:16:31,338 INFO L93 Difference]: Finished difference Result 1597 states and 2009 transitions. [2022-07-20 04:16:31,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:16:31,338 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 88 [2022-07-20 04:16:31,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:16:31,346 INFO L225 Difference]: With dead ends: 1597 [2022-07-20 04:16:31,346 INFO L226 Difference]: Without dead ends: 1595 [2022-07-20 04:16:31,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-20 04:16:31,348 INFO L413 NwaCegarLoop]: 1295 mSDtfsCounter, 1915 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1212 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2085 SdHoareTripleChecker+Valid, 2712 SdHoareTripleChecker+Invalid, 2008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1212 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-20 04:16:31,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2085 Valid, 2712 Invalid, 2008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1212 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-20 04:16:31,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1595 states. [2022-07-20 04:16:31,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1595 to 1595. [2022-07-20 04:16:31,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1595 states, 1059 states have (on average 1.1794145420207742) internal successors, (1249), 1123 states have internal predecessors, (1249), 379 states have call successors, (379), 132 states have call predecessors, (379), 130 states have return successors, (379), 364 states have call predecessors, (379), 377 states have call successors, (379) [2022-07-20 04:16:31,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1595 states to 1595 states and 2007 transitions. [2022-07-20 04:16:31,403 INFO L78 Accepts]: Start accepts. Automaton has 1595 states and 2007 transitions. Word has length 88 [2022-07-20 04:16:31,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:16:31,404 INFO L495 AbstractCegarLoop]: Abstraction has 1595 states and 2007 transitions. [2022-07-20 04:16:31,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (13), 4 states have call predecessors, (13), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2022-07-20 04:16:31,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1595 states and 2007 transitions. [2022-07-20 04:16:31,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-07-20 04:16:31,406 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:16:31,406 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:16:31,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-20 04:16:31,407 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_linux_drivers_base_class_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:16:31,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:16:31,407 INFO L85 PathProgramCache]: Analyzing trace with hash -56363973, now seen corresponding path program 1 times [2022-07-20 04:16:31,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:16:31,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299506680] [2022-07-20 04:16:31,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:16:31,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:16:31,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:31,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:16:31,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:31,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:16:31,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:31,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:16:31,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:31,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-20 04:16:31,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:31,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 04:16:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:31,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-20 04:16:31,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:31,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:16:31,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:31,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:16:31,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:31,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:16:31,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:31,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 04:16:31,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:31,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-20 04:16:31,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:31,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-20 04:16:31,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:31,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 04:16:31,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:31,617 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-20 04:16:31,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:16:31,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299506680] [2022-07-20 04:16:31,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299506680] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:16:31,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:16:31,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:16:31,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1341121869] [2022-07-20 04:16:31,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:16:31,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:16:31,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:16:31,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:16:31,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:16:31,619 INFO L87 Difference]: Start difference. First operand 1595 states and 2007 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-20 04:16:32,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:16:32,482 INFO L93 Difference]: Finished difference Result 1595 states and 2007 transitions. [2022-07-20 04:16:32,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:16:32,483 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 94 [2022-07-20 04:16:32,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:16:32,489 INFO L225 Difference]: With dead ends: 1595 [2022-07-20 04:16:32,489 INFO L226 Difference]: Without dead ends: 1593 [2022-07-20 04:16:32,490 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-20 04:16:32,492 INFO L413 NwaCegarLoop]: 1293 mSDtfsCounter, 1909 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1210 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2078 SdHoareTripleChecker+Valid, 2710 SdHoareTripleChecker+Invalid, 2006 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-07-20 04:16:32,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2078 Valid, 2710 Invalid, 2006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1210 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-07-20 04:16:32,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1593 states. [2022-07-20 04:16:32,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1593 to 1593. [2022-07-20 04:16:32,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1593 states, 1058 states have (on average 1.1786389413988658) internal successors, (1247), 1121 states have internal predecessors, (1247), 379 states have call successors, (379), 132 states have call predecessors, (379), 130 states have return successors, (379), 364 states have call predecessors, (379), 377 states have call successors, (379) [2022-07-20 04:16:32,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1593 states to 1593 states and 2005 transitions. [2022-07-20 04:16:32,606 INFO L78 Accepts]: Start accepts. Automaton has 1593 states and 2005 transitions. Word has length 94 [2022-07-20 04:16:32,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:16:32,606 INFO L495 AbstractCegarLoop]: Abstraction has 1593 states and 2005 transitions. [2022-07-20 04:16:32,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 4 states have internal predecessors, (56), 2 states have call successors, (14), 4 states have call predecessors, (14), 1 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2022-07-20 04:16:32,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1593 states and 2005 transitions. [2022-07-20 04:16:32,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-07-20 04:16:32,609 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:16:32,609 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:16:32,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-20 04:16:32,609 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_linux_fs_char_dev_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:16:32,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:16:32,610 INFO L85 PathProgramCache]: Analyzing trace with hash 915527194, now seen corresponding path program 1 times [2022-07-20 04:16:32,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:16:32,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021480483] [2022-07-20 04:16:32,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:16:32,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:16:32,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:32,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:16:32,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:32,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:16:32,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:32,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:16:32,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:32,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-20 04:16:32,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:32,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 04:16:32,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:32,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-20 04:16:32,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:32,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:16:32,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:32,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:16:32,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:32,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:16:32,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:32,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 04:16:32,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:32,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-20 04:16:32,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:32,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-20 04:16:32,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:32,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 04:16:32,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:32,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-20 04:16:32,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:32,894 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-20 04:16:32,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:16:32,906 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021480483] [2022-07-20 04:16:32,906 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1021480483] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:16:32,906 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:16:32,906 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:16:32,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042994165] [2022-07-20 04:16:32,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:16:32,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:16:32,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:16:32,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:16:32,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:16:32,907 INFO L87 Difference]: Start difference. First operand 1593 states and 2005 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-20 04:16:33,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:16:33,807 INFO L93 Difference]: Finished difference Result 1593 states and 2005 transitions. [2022-07-20 04:16:33,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:16:33,808 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 100 [2022-07-20 04:16:33,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:16:33,814 INFO L225 Difference]: With dead ends: 1593 [2022-07-20 04:16:33,815 INFO L226 Difference]: Without dead ends: 1591 [2022-07-20 04:16:33,815 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-20 04:16:33,824 INFO L413 NwaCegarLoop]: 1291 mSDtfsCounter, 1903 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1208 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2071 SdHoareTripleChecker+Valid, 2708 SdHoareTripleChecker+Invalid, 2004 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-20 04:16:33,825 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2071 Valid, 2708 Invalid, 2004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1208 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-20 04:16:33,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1591 states. [2022-07-20 04:16:33,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1591 to 1591. [2022-07-20 04:16:33,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1591 states, 1057 states have (on average 1.1778618732261117) internal successors, (1245), 1119 states have internal predecessors, (1245), 379 states have call successors, (379), 132 states have call predecessors, (379), 130 states have return successors, (379), 364 states have call predecessors, (379), 377 states have call successors, (379) [2022-07-20 04:16:33,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1591 states to 1591 states and 2003 transitions. [2022-07-20 04:16:33,933 INFO L78 Accepts]: Start accepts. Automaton has 1591 states and 2003 transitions. Word has length 100 [2022-07-20 04:16:33,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:16:33,933 INFO L495 AbstractCegarLoop]: Abstraction has 1591 states and 2003 transitions. [2022-07-20 04:16:33,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (15), 4 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-20 04:16:33,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1591 states and 2003 transitions. [2022-07-20 04:16:33,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-20 04:16:33,935 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:16:33,935 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:16:33,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-20 04:16:33,936 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:16:33,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:16:33,936 INFO L85 PathProgramCache]: Analyzing trace with hash 178536448, now seen corresponding path program 1 times [2022-07-20 04:16:33,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:16:33,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271747056] [2022-07-20 04:16:33,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:16:33,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:16:33,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:34,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:16:34,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:34,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:16:34,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:34,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:16:34,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:34,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-20 04:16:34,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:34,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 04:16:34,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:34,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-20 04:16:34,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:34,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:16:34,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:34,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:16:34,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:34,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:16:34,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:34,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 04:16:34,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:34,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-20 04:16:34,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:34,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-20 04:16:34,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:34,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 04:16:34,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:34,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-20 04:16:34,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:34,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 04:16:34,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:34,226 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-20 04:16:34,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:16:34,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271747056] [2022-07-20 04:16:34,226 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271747056] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:16:34,226 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:16:34,226 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:16:34,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980617728] [2022-07-20 04:16:34,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:16:34,227 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:16:34,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:16:34,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:16:34,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:16:34,228 INFO L87 Difference]: Start difference. First operand 1591 states and 2003 transitions. Second operand has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-20 04:16:35,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:16:35,081 INFO L93 Difference]: Finished difference Result 1591 states and 2003 transitions. [2022-07-20 04:16:35,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:16:35,081 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 106 [2022-07-20 04:16:35,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:16:35,087 INFO L225 Difference]: With dead ends: 1591 [2022-07-20 04:16:35,087 INFO L226 Difference]: Without dead ends: 1589 [2022-07-20 04:16:35,088 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-20 04:16:35,088 INFO L413 NwaCegarLoop]: 1289 mSDtfsCounter, 1897 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1206 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2064 SdHoareTripleChecker+Valid, 2706 SdHoareTripleChecker+Invalid, 2002 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-07-20 04:16:35,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2064 Valid, 2706 Invalid, 2002 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1206 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-07-20 04:16:35,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1589 states. [2022-07-20 04:16:35,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1589 to 1589. [2022-07-20 04:16:35,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1589 states, 1056 states have (on average 1.1770833333333333) internal successors, (1243), 1117 states have internal predecessors, (1243), 379 states have call successors, (379), 132 states have call predecessors, (379), 130 states have return successors, (379), 364 states have call predecessors, (379), 377 states have call successors, (379) [2022-07-20 04:16:35,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1589 states to 1589 states and 2001 transitions. [2022-07-20 04:16:35,134 INFO L78 Accepts]: Start accepts. Automaton has 1589 states and 2001 transitions. Word has length 106 [2022-07-20 04:16:35,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:16:35,135 INFO L495 AbstractCegarLoop]: Abstraction has 1589 states and 2001 transitions. [2022-07-20 04:16:35,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (16), 4 states have call predecessors, (16), 1 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2022-07-20 04:16:35,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1589 states and 2001 transitions. [2022-07-20 04:16:35,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-07-20 04:16:35,136 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:16:35,136 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:16:35,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-20 04:16:35,136 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:16:35,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:16:35,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1037707720, now seen corresponding path program 1 times [2022-07-20 04:16:35,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:16:35,137 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156003715] [2022-07-20 04:16:35,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:16:35,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:16:35,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:35,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:16:35,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:35,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:16:35,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:35,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:16:35,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:35,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-20 04:16:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:35,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:16:35,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:35,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:16:35,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:35,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:16:35,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:35,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-20 04:16:35,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:35,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 04:16:35,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:35,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:16:35,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:35,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:16:35,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:35,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:16:35,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:35,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-20 04:16:35,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:35,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 04:16:35,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:35,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:16:35,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:35,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:16:35,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:35,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 04:16:35,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:35,309 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2022-07-20 04:16:35,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:16:35,309 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156003715] [2022-07-20 04:16:35,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156003715] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:16:35,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:16:35,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 04:16:35,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652924499] [2022-07-20 04:16:35,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:16:35,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 04:16:35,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:16:35,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 04:16:35,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-20 04:16:35,311 INFO L87 Difference]: Start difference. First operand 1589 states and 2001 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-20 04:16:37,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:16:37,411 INFO L93 Difference]: Finished difference Result 1869 states and 2334 transitions. [2022-07-20 04:16:37,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-20 04:16:37,412 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 118 [2022-07-20 04:16:37,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:16:37,418 INFO L225 Difference]: With dead ends: 1869 [2022-07-20 04:16:37,418 INFO L226 Difference]: Without dead ends: 1867 [2022-07-20 04:16:37,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=72, Invalid=138, Unknown=0, NotChecked=0, Total=210 [2022-07-20 04:16:37,419 INFO L413 NwaCegarLoop]: 1395 mSDtfsCounter, 1888 mSDsluCounter, 2085 mSDsCounter, 0 mSdLazyCounter, 2783 mSolverCounterSat, 853 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2061 SdHoareTripleChecker+Valid, 3480 SdHoareTripleChecker+Invalid, 3636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 853 IncrementalHoareTripleChecker+Valid, 2783 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-20 04:16:37,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2061 Valid, 3480 Invalid, 3636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [853 Valid, 2783 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-20 04:16:37,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1867 states. [2022-07-20 04:16:37,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1867 to 1759. [2022-07-20 04:16:37,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1759 states, 1176 states have (on average 1.1802721088435375) internal successors, (1388), 1238 states have internal predecessors, (1388), 404 states have call successors, (404), 156 states have call predecessors, (404), 155 states have return successors, (406), 389 states have call predecessors, (406), 402 states have call successors, (406) [2022-07-20 04:16:37,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 1759 states and 2198 transitions. [2022-07-20 04:16:37,479 INFO L78 Accepts]: Start accepts. Automaton has 1759 states and 2198 transitions. Word has length 118 [2022-07-20 04:16:37,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:16:37,480 INFO L495 AbstractCegarLoop]: Abstraction has 1759 states and 2198 transitions. [2022-07-20 04:16:37,480 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 4 states have internal predecessors, (55), 2 states have call successors, (16), 5 states have call predecessors, (16), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-07-20 04:16:37,480 INFO L276 IsEmpty]: Start isEmpty. Operand 1759 states and 2198 transitions. [2022-07-20 04:16:37,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-20 04:16:37,482 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:16:37,482 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:16:37,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-20 04:16:37,483 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:16:37,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:16:37,483 INFO L85 PathProgramCache]: Analyzing trace with hash -1083405284, now seen corresponding path program 1 times [2022-07-20 04:16:37,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:16:37,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886529698] [2022-07-20 04:16:37,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:16:37,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:16:37,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:37,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:16:37,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:37,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:16:37,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:37,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:16:37,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:37,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-20 04:16:37,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:37,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 04:16:37,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:37,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-20 04:16:37,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:37,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:16:37,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:37,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:16:37,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:37,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:16:37,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:37,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 04:16:37,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:37,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-20 04:16:37,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:37,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-20 04:16:37,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:37,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 04:16:37,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:37,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-20 04:16:37,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:37,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 04:16:37,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:37,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 04:16:37,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:37,615 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-20 04:16:37,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:16:37,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [886529698] [2022-07-20 04:16:37,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [886529698] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:16:37,616 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:16:37,616 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:16:37,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966448586] [2022-07-20 04:16:37,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:16:37,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:16:37,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:16:37,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:16:37,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:16:37,617 INFO L87 Difference]: Start difference. First operand 1759 states and 2198 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-20 04:16:38,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:16:38,957 INFO L93 Difference]: Finished difference Result 1759 states and 2198 transitions. [2022-07-20 04:16:38,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:16:38,958 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 112 [2022-07-20 04:16:38,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:16:38,964 INFO L225 Difference]: With dead ends: 1759 [2022-07-20 04:16:38,964 INFO L226 Difference]: Without dead ends: 1757 [2022-07-20 04:16:38,964 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-20 04:16:38,965 INFO L413 NwaCegarLoop]: 1287 mSDtfsCounter, 1895 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1200 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2061 SdHoareTripleChecker+Valid, 2704 SdHoareTripleChecker+Invalid, 1996 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1200 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-20 04:16:38,965 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2061 Valid, 2704 Invalid, 1996 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1200 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-20 04:16:38,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1757 states. [2022-07-20 04:16:39,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1757 to 1757. [2022-07-20 04:16:39,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1757 states, 1175 states have (on average 1.1795744680851064) internal successors, (1386), 1236 states have internal predecessors, (1386), 404 states have call successors, (404), 156 states have call predecessors, (404), 155 states have return successors, (406), 389 states have call predecessors, (406), 402 states have call successors, (406) [2022-07-20 04:16:39,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1757 states to 1757 states and 2196 transitions. [2022-07-20 04:16:39,021 INFO L78 Accepts]: Start accepts. Automaton has 1757 states and 2196 transitions. Word has length 112 [2022-07-20 04:16:39,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:16:39,021 INFO L495 AbstractCegarLoop]: Abstraction has 1757 states and 2196 transitions. [2022-07-20 04:16:39,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-20 04:16:39,021 INFO L276 IsEmpty]: Start isEmpty. Operand 1757 states and 2196 transitions. [2022-07-20 04:16:39,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-07-20 04:16:39,022 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:16:39,023 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:16:39,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-20 04:16:39,023 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting rcu_read_unlock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:16:39,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:16:39,023 INFO L85 PathProgramCache]: Analyzing trace with hash 392296454, now seen corresponding path program 1 times [2022-07-20 04:16:39,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:16:39,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10035279] [2022-07-20 04:16:39,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:16:39,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:16:39,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:39,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:16:39,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:39,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:16:39,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:39,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:16:39,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:39,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-20 04:16:39,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:39,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 04:16:39,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:39,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-20 04:16:39,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:39,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:16:39,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:39,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:16:39,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:39,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:16:39,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:39,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-20 04:16:39,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:39,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-20 04:16:39,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:39,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:16:39,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:39,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:16:39,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:39,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:16:39,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:39,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-20 04:16:39,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:39,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 04:16:39,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:39,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 04:16:39,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:39,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 04:16:39,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:39,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:16:39,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:39,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:16:39,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:39,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:16:39,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:39,240 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2022-07-20 04:16:39,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:16:39,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10035279] [2022-07-20 04:16:39,240 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10035279] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 04:16:39,240 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1903980851] [2022-07-20 04:16:39,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:16:39,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 04:16:39,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 04:16:39,249 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 04:16:39,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-20 04:16:39,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:39,632 INFO L263 TraceCheckSpWp]: Trace formula consists of 1214 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-20 04:16:39,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 04:16:39,688 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-07-20 04:16:39,688 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 04:16:39,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1903980851] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:16:39,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 04:16:39,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 9 [2022-07-20 04:16:39,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880761763] [2022-07-20 04:16:39,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:16:39,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 04:16:39,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:16:39,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 04:16:39,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-07-20 04:16:39,691 INFO L87 Difference]: Start difference. First operand 1757 states and 2196 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-20 04:16:39,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:16:39,836 INFO L93 Difference]: Finished difference Result 3405 states and 4242 transitions. [2022-07-20 04:16:39,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 04:16:39,837 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 134 [2022-07-20 04:16:39,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:16:39,846 INFO L225 Difference]: With dead ends: 3405 [2022-07-20 04:16:39,846 INFO L226 Difference]: Without dead ends: 1805 [2022-07-20 04:16:39,851 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2022-07-20 04:16:39,852 INFO L413 NwaCegarLoop]: 1395 mSDtfsCounter, 319 mSDsluCounter, 3699 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 5094 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 04:16:39,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [441 Valid, 5094 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 04:16:39,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1805 states. [2022-07-20 04:16:39,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1805 to 1763. [2022-07-20 04:16:39,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1763 states, 1179 states have (on average 1.1789652247667515) internal successors, (1390), 1240 states have internal predecessors, (1390), 406 states have call successors, (406), 156 states have call predecessors, (406), 155 states have return successors, (408), 391 states have call predecessors, (408), 404 states have call successors, (408) [2022-07-20 04:16:39,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1763 states to 1763 states and 2204 transitions. [2022-07-20 04:16:39,924 INFO L78 Accepts]: Start accepts. Automaton has 1763 states and 2204 transitions. Word has length 134 [2022-07-20 04:16:39,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:16:39,924 INFO L495 AbstractCegarLoop]: Abstraction has 1763 states and 2204 transitions. [2022-07-20 04:16:39,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 3 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-07-20 04:16:39,924 INFO L276 IsEmpty]: Start isEmpty. Operand 1763 states and 2204 transitions. [2022-07-20 04:16:39,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-20 04:16:39,925 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:16:39,925 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:16:39,946 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-07-20 04:16:40,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-07-20 04:16:40,145 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_linux_kernel_locking_rwlock_check_final_stateErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:16:40,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:16:40,145 INFO L85 PathProgramCache]: Analyzing trace with hash -1770258305, now seen corresponding path program 1 times [2022-07-20 04:16:40,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:16:40,145 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166435194] [2022-07-20 04:16:40,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:16:40,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:16:40,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:40,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:16:40,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:40,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:16:40,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:40,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:16:40,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:40,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-20 04:16:40,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:40,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 04:16:40,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:40,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-20 04:16:40,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:40,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:16:40,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:40,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:16:40,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:40,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:16:40,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:40,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 04:16:40,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:40,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-20 04:16:40,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:40,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-20 04:16:40,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:40,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 04:16:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:40,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-20 04:16:40,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:40,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 04:16:40,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:40,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 04:16:40,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:40,293 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-20 04:16:40,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:16:40,293 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166435194] [2022-07-20 04:16:40,293 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166435194] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:16:40,293 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:16:40,293 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:16:40,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190993603] [2022-07-20 04:16:40,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:16:40,294 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:16:40,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:16:40,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:16:40,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:16:40,295 INFO L87 Difference]: Start difference. First operand 1763 states and 2204 transitions. Second operand has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-20 04:16:41,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:16:41,637 INFO L93 Difference]: Finished difference Result 1763 states and 2204 transitions. [2022-07-20 04:16:41,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:16:41,639 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 114 [2022-07-20 04:16:41,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:16:41,646 INFO L225 Difference]: With dead ends: 1763 [2022-07-20 04:16:41,646 INFO L226 Difference]: Without dead ends: 1761 [2022-07-20 04:16:41,647 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-20 04:16:41,647 INFO L413 NwaCegarLoop]: 1285 mSDtfsCounter, 1883 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1202 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2049 SdHoareTripleChecker+Valid, 2702 SdHoareTripleChecker+Invalid, 1998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-20 04:16:41,647 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2049 Valid, 2702 Invalid, 1998 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1202 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-20 04:16:41,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1761 states. [2022-07-20 04:16:41,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1761 to 1761. [2022-07-20 04:16:41,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1761 states, 1178 states have (on average 1.1782682512733447) internal successors, (1388), 1238 states have internal predecessors, (1388), 406 states have call successors, (406), 156 states have call predecessors, (406), 155 states have return successors, (408), 391 states have call predecessors, (408), 404 states have call successors, (408) [2022-07-20 04:16:41,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1761 states to 1761 states and 2202 transitions. [2022-07-20 04:16:41,712 INFO L78 Accepts]: Start accepts. Automaton has 1761 states and 2202 transitions. Word has length 114 [2022-07-20 04:16:41,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:16:41,713 INFO L495 AbstractCegarLoop]: Abstraction has 1761 states and 2202 transitions. [2022-07-20 04:16:41,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 4 states have internal predecessors, (70), 2 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-07-20 04:16:41,714 INFO L276 IsEmpty]: Start isEmpty. Operand 1761 states and 2202 transitions. [2022-07-20 04:16:41,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-07-20 04:16:41,715 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:16:41,715 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:16:41,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-20 04:16:41,716 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:16:41,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:16:41,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1352940516, now seen corresponding path program 1 times [2022-07-20 04:16:41,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:16:41,716 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945781497] [2022-07-20 04:16:41,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:16:41,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:16:41,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:41,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:16:41,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:41,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:16:41,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:41,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:16:41,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:41,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-20 04:16:41,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:41,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 04:16:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:41,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-20 04:16:41,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:41,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:16:41,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:41,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:16:41,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:41,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:16:41,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:41,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 04:16:41,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:41,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-20 04:16:41,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:41,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-20 04:16:41,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:41,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 04:16:41,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:41,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-20 04:16:41,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:41,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 04:16:41,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:41,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 04:16:41,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:41,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-20 04:16:41,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:41,903 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-20 04:16:41,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:16:41,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945781497] [2022-07-20 04:16:41,904 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945781497] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:16:41,904 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:16:41,904 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:16:41,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007655417] [2022-07-20 04:16:41,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:16:41,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:16:41,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:16:41,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:16:41,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:16:41,906 INFO L87 Difference]: Start difference. First operand 1761 states and 2202 transitions. Second operand has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-20 04:16:44,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:16:44,128 INFO L93 Difference]: Finished difference Result 2666 states and 3269 transitions. [2022-07-20 04:16:44,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 04:16:44,129 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 120 [2022-07-20 04:16:44,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:16:44,142 INFO L225 Difference]: With dead ends: 2666 [2022-07-20 04:16:44,142 INFO L226 Difference]: Without dead ends: 2664 [2022-07-20 04:16:44,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-07-20 04:16:44,144 INFO L413 NwaCegarLoop]: 1377 mSDtfsCounter, 2664 mSDsluCounter, 1742 mSDsCounter, 0 mSdLazyCounter, 2160 mSolverCounterSat, 1199 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2829 SdHoareTripleChecker+Valid, 3119 SdHoareTripleChecker+Invalid, 3359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1199 IncrementalHoareTripleChecker+Valid, 2160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-20 04:16:44,144 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2829 Valid, 3119 Invalid, 3359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1199 Valid, 2160 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-20 04:16:44,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2664 states. [2022-07-20 04:16:44,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2664 to 2619. [2022-07-20 04:16:44,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2619 states, 1778 states have (on average 1.1805399325084365) internal successors, (2099), 1846 states have internal predecessors, (2099), 571 states have call successors, (571), 249 states have call predecessors, (571), 248 states have return successors, (573), 555 states have call predecessors, (573), 569 states have call successors, (573) [2022-07-20 04:16:44,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2619 states to 2619 states and 3243 transitions. [2022-07-20 04:16:44,260 INFO L78 Accepts]: Start accepts. Automaton has 2619 states and 3243 transitions. Word has length 120 [2022-07-20 04:16:44,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:16:44,261 INFO L495 AbstractCegarLoop]: Abstraction has 2619 states and 3243 transitions. [2022-07-20 04:16:44,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.333333333333334) internal successors, (74), 4 states have internal predecessors, (74), 2 states have call successors, (18), 4 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-07-20 04:16:44,261 INFO L276 IsEmpty]: Start isEmpty. Operand 2619 states and 3243 transitions. [2022-07-20 04:16:44,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-20 04:16:44,265 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:16:44,266 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:16:44,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-20 04:16:44,266 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:16:44,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:16:44,266 INFO L85 PathProgramCache]: Analyzing trace with hash -179191031, now seen corresponding path program 1 times [2022-07-20 04:16:44,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:16:44,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114486675] [2022-07-20 04:16:44,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:16:44,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:16:44,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:44,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:16:44,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:44,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:16:44,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:44,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:16:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:44,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-20 04:16:44,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:44,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 04:16:44,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:44,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-20 04:16:44,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:44,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:16:44,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:44,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:16:44,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:44,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:16:44,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:44,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 04:16:44,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:44,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-20 04:16:44,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:44,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-20 04:16:44,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:44,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 04:16:44,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:44,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-20 04:16:44,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:44,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 04:16:44,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:44,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 04:16:44,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:44,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-20 04:16:44,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:44,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-20 04:16:44,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:44,445 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-20 04:16:44,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:16:44,446 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114486675] [2022-07-20 04:16:44,446 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114486675] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:16:44,446 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:16:44,446 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:16:44,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503356355] [2022-07-20 04:16:44,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:16:44,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:16:44,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:16:44,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:16:44,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:16:44,448 INFO L87 Difference]: Start difference. First operand 2619 states and 3243 transitions. Second operand has 6 states, 6 states have (on average 13.0) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 04:16:46,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:16:46,546 INFO L93 Difference]: Finished difference Result 3726 states and 4547 transitions. [2022-07-20 04:16:46,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 04:16:46,546 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 126 [2022-07-20 04:16:46,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:16:46,560 INFO L225 Difference]: With dead ends: 3726 [2022-07-20 04:16:46,560 INFO L226 Difference]: Without dead ends: 3724 [2022-07-20 04:16:46,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-07-20 04:16:46,562 INFO L413 NwaCegarLoop]: 1360 mSDtfsCounter, 2149 mSDsluCounter, 1894 mSDsCounter, 0 mSdLazyCounter, 2251 mSolverCounterSat, 1098 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2251 SdHoareTripleChecker+Valid, 3254 SdHoareTripleChecker+Invalid, 3349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1098 IncrementalHoareTripleChecker+Valid, 2251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2022-07-20 04:16:46,563 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2251 Valid, 3254 Invalid, 3349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1098 Valid, 2251 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-20 04:16:46,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3724 states. [2022-07-20 04:16:46,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3724 to 3583. [2022-07-20 04:16:46,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3583 states, 2425 states have (on average 1.1698969072164949) internal successors, (2837), 2515 states have internal predecessors, (2837), 784 states have call successors, (784), 354 states have call predecessors, (784), 352 states have return successors, (786), 758 states have call predecessors, (786), 782 states have call successors, (786) [2022-07-20 04:16:46,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3583 states to 3583 states and 4407 transitions. [2022-07-20 04:16:46,705 INFO L78 Accepts]: Start accepts. Automaton has 3583 states and 4407 transitions. Word has length 126 [2022-07-20 04:16:46,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:16:46,706 INFO L495 AbstractCegarLoop]: Abstraction has 3583 states and 4407 transitions. [2022-07-20 04:16:46,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 4 states have internal predecessors, (78), 2 states have call successors, (19), 4 states have call predecessors, (19), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 04:16:46,706 INFO L276 IsEmpty]: Start isEmpty. Operand 3583 states and 4407 transitions. [2022-07-20 04:16:46,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-07-20 04:16:46,708 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:16:46,708 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:16:46,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-20 04:16:46,708 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:16:46,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:16:46,709 INFO L85 PathProgramCache]: Analyzing trace with hash -31471526, now seen corresponding path program 1 times [2022-07-20 04:16:46,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:16:46,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696603529] [2022-07-20 04:16:46,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:16:46,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:16:46,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:46,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:16:46,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:46,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:16:46,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:46,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:16:46,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:46,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-20 04:16:46,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:46,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:16:46,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:46,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:16:46,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:46,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:16:46,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:46,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-20 04:16:46,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:46,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 04:16:46,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:46,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:16:46,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:46,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:16:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:46,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:16:46,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:46,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-20 04:16:46,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:46,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 04:16:46,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:46,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:16:46,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:46,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:16:46,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:46,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 04:16:46,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:46,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-20 04:16:46,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:46,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:16:46,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:46,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:16:46,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:46,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-20 04:16:46,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:46,930 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-07-20 04:16:46,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:16:46,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696603529] [2022-07-20 04:16:46,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696603529] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:16:46,931 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:16:46,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:16:46,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652801763] [2022-07-20 04:16:46,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:16:46,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:16:46,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:16:46,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:16:46,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:16:46,932 INFO L87 Difference]: Start difference. First operand 3583 states and 4407 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-07-20 04:16:48,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:16:48,563 INFO L93 Difference]: Finished difference Result 6578 states and 8094 transitions. [2022-07-20 04:16:48,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:16:48,563 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 141 [2022-07-20 04:16:48,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:16:48,578 INFO L225 Difference]: With dead ends: 6578 [2022-07-20 04:16:48,578 INFO L226 Difference]: Without dead ends: 3850 [2022-07-20 04:16:48,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-07-20 04:16:48,586 INFO L413 NwaCegarLoop]: 1277 mSDtfsCounter, 1339 mSDsluCounter, 1807 mSDsCounter, 0 mSdLazyCounter, 1559 mSolverCounterSat, 1018 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1341 SdHoareTripleChecker+Valid, 3084 SdHoareTripleChecker+Invalid, 2577 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1018 IncrementalHoareTripleChecker+Valid, 1559 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-07-20 04:16:48,586 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1341 Valid, 3084 Invalid, 2577 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1018 Valid, 1559 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-20 04:16:48,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3850 states. [2022-07-20 04:16:48,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3850 to 3584. [2022-07-20 04:16:48,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3584 states, 2426 states have (on average 1.1698268755152514) internal successors, (2838), 2516 states have internal predecessors, (2838), 784 states have call successors, (784), 354 states have call predecessors, (784), 352 states have return successors, (786), 758 states have call predecessors, (786), 782 states have call successors, (786) [2022-07-20 04:16:48,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3584 states to 3584 states and 4408 transitions. [2022-07-20 04:16:48,796 INFO L78 Accepts]: Start accepts. Automaton has 3584 states and 4408 transitions. Word has length 141 [2022-07-20 04:16:48,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:16:48,796 INFO L495 AbstractCegarLoop]: Abstraction has 3584 states and 4408 transitions. [2022-07-20 04:16:48,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-07-20 04:16:48,796 INFO L276 IsEmpty]: Start isEmpty. Operand 3584 states and 4408 transitions. [2022-07-20 04:16:48,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-07-20 04:16:48,798 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:16:48,798 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:16:48,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-20 04:16:48,798 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_linux_kernel_rcu_update_lock_sched_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:16:48,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:16:48,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1628899092, now seen corresponding path program 1 times [2022-07-20 04:16:48,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:16:48,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253532009] [2022-07-20 04:16:48,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:16:48,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:16:48,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:48,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:16:48,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:48,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:16:48,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:48,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:16:48,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:48,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-20 04:16:48,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:48,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 04:16:48,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:48,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-20 04:16:48,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:48,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:16:48,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:48,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:16:48,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:48,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:16:48,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:48,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 04:16:48,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:48,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-20 04:16:48,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:48,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-20 04:16:48,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:48,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 04:16:48,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:48,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-20 04:16:48,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:48,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 04:16:48,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:48,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 04:16:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:48,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-20 04:16:48,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:48,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-20 04:16:48,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:48,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 04:16:48,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:48,960 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-20 04:16:48,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:16:48,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253532009] [2022-07-20 04:16:48,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253532009] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:16:48,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:16:48,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:16:48,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889266626] [2022-07-20 04:16:48,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:16:48,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:16:48,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:16:48,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:16:48,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:16:48,962 INFO L87 Difference]: Start difference. First operand 3584 states and 4408 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-20 04:16:50,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:16:50,299 INFO L93 Difference]: Finished difference Result 3584 states and 4408 transitions. [2022-07-20 04:16:50,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:16:50,299 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 132 [2022-07-20 04:16:50,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:16:50,313 INFO L225 Difference]: With dead ends: 3584 [2022-07-20 04:16:50,314 INFO L226 Difference]: Without dead ends: 3582 [2022-07-20 04:16:50,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-20 04:16:50,316 INFO L413 NwaCegarLoop]: 1282 mSDtfsCounter, 1879 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1201 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2042 SdHoareTripleChecker+Valid, 2699 SdHoareTripleChecker+Invalid, 1997 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-20 04:16:50,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2042 Valid, 2699 Invalid, 1997 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1201 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-20 04:16:50,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3582 states. [2022-07-20 04:16:50,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3582 to 3582. [2022-07-20 04:16:50,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3582 states, 2425 states have (on average 1.1690721649484537) internal successors, (2835), 2514 states have internal predecessors, (2835), 784 states have call successors, (784), 354 states have call predecessors, (784), 352 states have return successors, (786), 758 states have call predecessors, (786), 782 states have call successors, (786) [2022-07-20 04:16:50,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3582 states to 3582 states and 4405 transitions. [2022-07-20 04:16:50,506 INFO L78 Accepts]: Start accepts. Automaton has 3582 states and 4405 transitions. Word has length 132 [2022-07-20 04:16:50,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:16:50,507 INFO L495 AbstractCegarLoop]: Abstraction has 3582 states and 4405 transitions. [2022-07-20 04:16:50,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (20), 4 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-20 04:16:50,507 INFO L276 IsEmpty]: Start isEmpty. Operand 3582 states and 4405 transitions. [2022-07-20 04:16:50,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-07-20 04:16:50,510 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:16:50,510 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:16:50,510 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-20 04:16:50,510 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:16:50,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:16:50,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1350192956, now seen corresponding path program 1 times [2022-07-20 04:16:50,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:16:50,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461597333] [2022-07-20 04:16:50,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:16:50,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:16:50,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:50,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:16:50,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:50,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:16:50,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:50,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:16:50,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:50,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-20 04:16:50,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:50,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:16:50,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:50,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:16:50,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:50,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:16:50,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:50,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-20 04:16:50,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:50,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 04:16:50,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:50,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:16:50,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:50,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:16:50,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:50,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:16:50,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:50,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-20 04:16:50,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:50,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 04:16:50,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:50,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:16:50,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:50,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:16:50,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:50,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 04:16:50,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:50,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-20 04:16:50,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:50,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:16:50,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:50,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:16:50,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:50,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-20 04:16:50,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:50,719 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-07-20 04:16:50,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:16:50,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461597333] [2022-07-20 04:16:50,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461597333] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 04:16:50,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351157475] [2022-07-20 04:16:50,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:16:50,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 04:16:50,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 04:16:50,721 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 04:16:50,722 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-20 04:16:51,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:51,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 1312 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-20 04:16:51,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 04:16:51,139 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-07-20 04:16:51,139 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 04:16:51,241 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-07-20 04:16:51,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [351157475] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 04:16:51,242 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-20 04:16:51,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 10 [2022-07-20 04:16:51,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763031763] [2022-07-20 04:16:51,242 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-20 04:16:51,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-20 04:16:51,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:16:51,245 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-20 04:16:51,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-07-20 04:16:51,245 INFO L87 Difference]: Start difference. First operand 3582 states and 4405 transitions. Second operand has 10 states, 10 states have (on average 8.8) internal successors, (88), 7 states have internal predecessors, (88), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-07-20 04:16:53,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:16:53,184 INFO L93 Difference]: Finished difference Result 6598 states and 8126 transitions. [2022-07-20 04:16:53,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-20 04:16:53,184 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.8) internal successors, (88), 7 states have internal predecessors, (88), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 146 [2022-07-20 04:16:53,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:16:53,196 INFO L225 Difference]: With dead ends: 6598 [2022-07-20 04:16:53,197 INFO L226 Difference]: Without dead ends: 3871 [2022-07-20 04:16:53,204 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 332 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2022-07-20 04:16:53,205 INFO L413 NwaCegarLoop]: 1277 mSDtfsCounter, 1390 mSDsluCounter, 2418 mSDsCounter, 0 mSdLazyCounter, 2349 mSolverCounterSat, 1032 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1398 SdHoareTripleChecker+Valid, 3695 SdHoareTripleChecker+Invalid, 3381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1032 IncrementalHoareTripleChecker+Valid, 2349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-20 04:16:53,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1398 Valid, 3695 Invalid, 3381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1032 Valid, 2349 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-20 04:16:53,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3871 states. [2022-07-20 04:16:53,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3871 to 3615. [2022-07-20 04:16:53,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3615 states, 2455 states have (on average 1.1718940936863544) internal successors, (2877), 2547 states have internal predecessors, (2877), 787 states have call successors, (787), 354 states have call predecessors, (787), 352 states have return successors, (789), 761 states have call predecessors, (789), 785 states have call successors, (789) [2022-07-20 04:16:53,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3615 states to 3615 states and 4453 transitions. [2022-07-20 04:16:53,397 INFO L78 Accepts]: Start accepts. Automaton has 3615 states and 4453 transitions. Word has length 146 [2022-07-20 04:16:53,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:16:53,398 INFO L495 AbstractCegarLoop]: Abstraction has 3615 states and 4453 transitions. [2022-07-20 04:16:53,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.8) internal successors, (88), 7 states have internal predecessors, (88), 2 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-07-20 04:16:53,398 INFO L276 IsEmpty]: Start isEmpty. Operand 3615 states and 4453 transitions. [2022-07-20 04:16:53,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-07-20 04:16:53,400 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:16:53,400 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:16:53,421 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-20 04:16:53,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-07-20 04:16:53,620 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_for_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:16:53,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:16:53,621 INFO L85 PathProgramCache]: Analyzing trace with hash 216200491, now seen corresponding path program 1 times [2022-07-20 04:16:53,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:16:53,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465696555] [2022-07-20 04:16:53,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:16:53,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:16:53,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:53,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:16:53,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:53,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:16:53,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:53,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:16:53,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:53,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-20 04:16:53,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:53,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:16:53,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:53,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:16:53,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:53,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:16:53,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:53,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-20 04:16:53,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:53,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 04:16:53,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:53,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:16:53,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:53,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:16:53,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:53,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:16:53,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:53,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-20 04:16:53,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:53,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 04:16:53,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:53,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:16:53,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:53,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:16:53,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:53,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 04:16:53,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:53,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-20 04:16:53,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:53,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:16:53,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:53,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:16:53,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:53,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-20 04:16:53,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:53,808 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-07-20 04:16:53,808 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:16:53,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465696555] [2022-07-20 04:16:53,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465696555] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:16:53,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:16:53,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 04:16:53,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511618394] [2022-07-20 04:16:53,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:16:53,810 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 04:16:53,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:16:53,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 04:16:53,810 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-20 04:16:53,811 INFO L87 Difference]: Start difference. First operand 3615 states and 4453 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 04:16:56,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:16:56,489 INFO L93 Difference]: Finished difference Result 3915 states and 4825 transitions. [2022-07-20 04:16:56,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-20 04:16:56,490 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 147 [2022-07-20 04:16:56,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:16:56,498 INFO L225 Difference]: With dead ends: 3915 [2022-07-20 04:16:56,499 INFO L226 Difference]: Without dead ends: 3913 [2022-07-20 04:16:56,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=184, Unknown=0, NotChecked=0, Total=272 [2022-07-20 04:16:56,501 INFO L413 NwaCegarLoop]: 1350 mSDtfsCounter, 2967 mSDsluCounter, 2299 mSDsCounter, 0 mSdLazyCounter, 2690 mSolverCounterSat, 1694 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3081 SdHoareTripleChecker+Valid, 3649 SdHoareTripleChecker+Invalid, 4384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1694 IncrementalHoareTripleChecker+Valid, 2690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-20 04:16:56,501 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3081 Valid, 3649 Invalid, 4384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1694 Valid, 2690 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-20 04:16:56,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3913 states. [2022-07-20 04:16:56,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3913 to 3615. [2022-07-20 04:16:56,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3615 states, 2455 states have (on average 1.170672097759674) internal successors, (2874), 2547 states have internal predecessors, (2874), 787 states have call successors, (787), 354 states have call predecessors, (787), 352 states have return successors, (789), 761 states have call predecessors, (789), 785 states have call successors, (789) [2022-07-20 04:16:56,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3615 states to 3615 states and 4450 transitions. [2022-07-20 04:16:56,643 INFO L78 Accepts]: Start accepts. Automaton has 3615 states and 4450 transitions. Word has length 147 [2022-07-20 04:16:56,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:16:56,643 INFO L495 AbstractCegarLoop]: Abstraction has 3615 states and 4450 transitions. [2022-07-20 04:16:56,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 4 states have internal predecessors, (73), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 04:16:56,644 INFO L276 IsEmpty]: Start isEmpty. Operand 3615 states and 4450 transitions. [2022-07-20 04:16:56,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-07-20 04:16:56,645 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:16:56,645 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:16:56,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-20 04:16:56,645 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:16:56,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:16:56,646 INFO L85 PathProgramCache]: Analyzing trace with hash -973056597, now seen corresponding path program 1 times [2022-07-20 04:16:56,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:16:56,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585111548] [2022-07-20 04:16:56,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:16:56,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:16:56,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:56,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:16:56,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:56,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:16:56,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:56,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:16:56,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:56,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-20 04:16:56,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:56,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 04:16:56,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:56,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-20 04:16:56,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:56,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:16:56,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:56,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:16:56,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:56,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:16:56,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:56,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 04:16:56,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:56,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-20 04:16:56,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:56,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-20 04:16:56,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:56,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 04:16:56,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:56,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-20 04:16:56,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:56,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 04:16:56,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:56,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 04:16:56,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:56,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-20 04:16:56,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:56,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-20 04:16:56,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:56,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 04:16:56,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:56,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-20 04:16:56,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:56,795 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-20 04:16:56,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:16:56,795 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585111548] [2022-07-20 04:16:56,795 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585111548] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:16:56,795 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:16:56,795 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:16:56,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720319746] [2022-07-20 04:16:56,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:16:56,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:16:56,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:16:56,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:16:56,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:16:56,798 INFO L87 Difference]: Start difference. First operand 3615 states and 4450 transitions. Second operand has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-20 04:16:58,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:16:58,998 INFO L93 Difference]: Finished difference Result 3948 states and 4802 transitions. [2022-07-20 04:16:58,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-20 04:16:58,998 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 138 [2022-07-20 04:16:58,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:16:59,007 INFO L225 Difference]: With dead ends: 3948 [2022-07-20 04:16:59,007 INFO L226 Difference]: Without dead ends: 3946 [2022-07-20 04:16:59,008 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-07-20 04:16:59,009 INFO L413 NwaCegarLoop]: 1533 mSDtfsCounter, 1819 mSDsluCounter, 1993 mSDsCounter, 0 mSdLazyCounter, 2532 mSolverCounterSat, 1066 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1924 SdHoareTripleChecker+Valid, 3526 SdHoareTripleChecker+Invalid, 3598 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1066 IncrementalHoareTripleChecker+Valid, 2532 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-20 04:16:59,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1924 Valid, 3526 Invalid, 3598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1066 Valid, 2532 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-20 04:16:59,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3946 states. [2022-07-20 04:16:59,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3946 to 3819. [2022-07-20 04:16:59,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3819 states, 2591 states have (on average 1.1620995754534929) internal successors, (3011), 2683 states have internal predecessors, (3011), 827 states have call successors, (827), 382 states have call predecessors, (827), 380 states have return successors, (829), 801 states have call predecessors, (829), 825 states have call successors, (829) [2022-07-20 04:16:59,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3819 states to 3819 states and 4667 transitions. [2022-07-20 04:16:59,153 INFO L78 Accepts]: Start accepts. Automaton has 3819 states and 4667 transitions. Word has length 138 [2022-07-20 04:16:59,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:16:59,153 INFO L495 AbstractCegarLoop]: Abstraction has 3819 states and 4667 transitions. [2022-07-20 04:16:59,153 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.333333333333334) internal successors, (86), 4 states have internal predecessors, (86), 2 states have call successors, (21), 4 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-07-20 04:16:59,154 INFO L276 IsEmpty]: Start isEmpty. Operand 3819 states and 4667 transitions. [2022-07-20 04:16:59,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-07-20 04:16:59,155 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:16:59,155 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:16:59,155 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-20 04:16:59,155 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ldv_check_for_read_sectionErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:16:59,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:16:59,156 INFO L85 PathProgramCache]: Analyzing trace with hash -1616326209, now seen corresponding path program 1 times [2022-07-20 04:16:59,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:16:59,156 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856747220] [2022-07-20 04:16:59,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:16:59,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:16:59,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:59,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:16:59,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:59,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:16:59,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:59,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:16:59,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:59,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-20 04:16:59,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:59,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:16:59,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:59,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:16:59,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:59,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:16:59,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:59,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-20 04:16:59,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:59,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 04:16:59,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:59,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:16:59,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:59,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:16:59,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:59,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:16:59,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:59,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-20 04:16:59,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:59,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 04:16:59,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:59,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:16:59,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:59,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:16:59,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:59,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 04:16:59,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:59,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-20 04:16:59,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:59,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:16:59,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:59,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:16:59,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:59,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-20 04:16:59,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:16:59,303 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-07-20 04:16:59,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:16:59,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856747220] [2022-07-20 04:16:59,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [856747220] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:16:59,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:16:59,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 04:16:59,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345474590] [2022-07-20 04:16:59,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:16:59,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 04:16:59,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:16:59,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 04:16:59,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-20 04:16:59,307 INFO L87 Difference]: Start difference. First operand 3819 states and 4667 transitions. Second operand has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 04:17:01,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:17:01,101 INFO L93 Difference]: Finished difference Result 4075 states and 5007 transitions. [2022-07-20 04:17:01,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-20 04:17:01,102 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 150 [2022-07-20 04:17:01,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:17:01,112 INFO L225 Difference]: With dead ends: 4075 [2022-07-20 04:17:01,112 INFO L226 Difference]: Without dead ends: 4073 [2022-07-20 04:17:01,114 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-07-20 04:17:01,114 INFO L413 NwaCegarLoop]: 1272 mSDtfsCounter, 2361 mSDsluCounter, 1822 mSDsCounter, 0 mSdLazyCounter, 1523 mSolverCounterSat, 1184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2541 SdHoareTripleChecker+Valid, 3094 SdHoareTripleChecker+Invalid, 2707 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1184 IncrementalHoareTripleChecker+Valid, 1523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2022-07-20 04:17:01,114 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2541 Valid, 3094 Invalid, 2707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1184 Valid, 1523 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-20 04:17:01,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4073 states. [2022-07-20 04:17:01,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4073 to 3817. [2022-07-20 04:17:01,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3817 states, 2590 states have (on average 1.159073359073359) internal successors, (3002), 2681 states have internal predecessors, (3002), 827 states have call successors, (827), 382 states have call predecessors, (827), 380 states have return successors, (829), 801 states have call predecessors, (829), 825 states have call successors, (829) [2022-07-20 04:17:01,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3817 states to 3817 states and 4658 transitions. [2022-07-20 04:17:01,265 INFO L78 Accepts]: Start accepts. Automaton has 3817 states and 4658 transitions. Word has length 150 [2022-07-20 04:17:01,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:17:01,266 INFO L495 AbstractCegarLoop]: Abstraction has 3817 states and 4658 transitions. [2022-07-20 04:17:01,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.857142857142858) internal successors, (76), 4 states have internal predecessors, (76), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 04:17:01,266 INFO L276 IsEmpty]: Start isEmpty. Operand 3817 states and 4658 transitions. [2022-07-20 04:17:01,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-07-20 04:17:01,268 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:17:01,268 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:17:01,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-20 04:17:01,268 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ldv_linux_kernel_rcu_srcu_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:17:01,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:17:01,269 INFO L85 PathProgramCache]: Analyzing trace with hash 713324926, now seen corresponding path program 1 times [2022-07-20 04:17:01,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:17:01,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883327068] [2022-07-20 04:17:01,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:17:01,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:17:01,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:01,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:17:01,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:01,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:17:01,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:01,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:17:01,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:01,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-20 04:17:01,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:01,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 04:17:01,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:01,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-20 04:17:01,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:01,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:01,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:01,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:17:01,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:01,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:17:01,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:01,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 04:17:01,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:01,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-20 04:17:01,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:01,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-20 04:17:01,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:01,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 04:17:01,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:01,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-20 04:17:01,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:01,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 04:17:01,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:01,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 04:17:01,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:01,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-20 04:17:01,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:01,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-20 04:17:01,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:01,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 04:17:01,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:01,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-20 04:17:01,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:01,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-20 04:17:01,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:01,412 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-20 04:17:01,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:17:01,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883327068] [2022-07-20 04:17:01,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883327068] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:17:01,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:17:01,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:17:01,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129233916] [2022-07-20 04:17:01,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:17:01,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:17:01,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:17:01,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:17:01,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:17:01,417 INFO L87 Difference]: Start difference. First operand 3817 states and 4658 transitions. Second operand has 6 states, 6 states have (on average 15.0) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-20 04:17:02,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:17:02,837 INFO L93 Difference]: Finished difference Result 3817 states and 4658 transitions. [2022-07-20 04:17:02,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:17:02,837 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 144 [2022-07-20 04:17:02,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:17:02,846 INFO L225 Difference]: With dead ends: 3817 [2022-07-20 04:17:02,846 INFO L226 Difference]: Without dead ends: 3815 [2022-07-20 04:17:02,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-20 04:17:02,848 INFO L413 NwaCegarLoop]: 1278 mSDtfsCounter, 1867 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1197 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2028 SdHoareTripleChecker+Valid, 2695 SdHoareTripleChecker+Invalid, 1993 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1197 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-20 04:17:02,849 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2028 Valid, 2695 Invalid, 1993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1197 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-20 04:17:02,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3815 states. [2022-07-20 04:17:02,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3815 to 3815. [2022-07-20 04:17:02,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3815 states, 2589 states have (on average 1.1583623020471225) internal successors, (2999), 2679 states have internal predecessors, (2999), 827 states have call successors, (827), 382 states have call predecessors, (827), 380 states have return successors, (829), 801 states have call predecessors, (829), 825 states have call successors, (829) [2022-07-20 04:17:03,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3815 states to 3815 states and 4655 transitions. [2022-07-20 04:17:03,004 INFO L78 Accepts]: Start accepts. Automaton has 3815 states and 4655 transitions. Word has length 144 [2022-07-20 04:17:03,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:17:03,005 INFO L495 AbstractCegarLoop]: Abstraction has 3815 states and 4655 transitions. [2022-07-20 04:17:03,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.0) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (22), 4 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-20 04:17:03,005 INFO L276 IsEmpty]: Start isEmpty. Operand 3815 states and 4655 transitions. [2022-07-20 04:17:03,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-07-20 04:17:03,007 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:17:03,007 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:17:03,007 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-20 04:17:03,008 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ldv_check_for_read_sectionErr2ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:17:03,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:17:03,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1089934537, now seen corresponding path program 1 times [2022-07-20 04:17:03,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:17:03,008 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133641865] [2022-07-20 04:17:03,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:17:03,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:17:03,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:03,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:17:03,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:03,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:17:03,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:03,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:17:03,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:03,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-20 04:17:03,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:03,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:03,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:03,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:03,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:03,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:03,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:03,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-20 04:17:03,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:03,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 04:17:03,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:03,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:03,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:03,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:03,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:03,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:03,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:03,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-20 04:17:03,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:03,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 04:17:03,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:03,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:17:03,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:03,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:17:03,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:03,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 04:17:03,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:03,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-20 04:17:03,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:03,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:03,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:03,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:03,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:03,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-20 04:17:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:03,391 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-07-20 04:17:03,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:17:03,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133641865] [2022-07-20 04:17:03,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133641865] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 04:17:03,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1369132269] [2022-07-20 04:17:03,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:17:03,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 04:17:03,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 04:17:03,393 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 04:17:03,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-20 04:17:03,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:03,796 INFO L263 TraceCheckSpWp]: Trace formula consists of 1349 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-20 04:17:03,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 04:17:03,971 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-07-20 04:17:03,971 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 04:17:03,971 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1369132269] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:17:03,971 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 04:17:03,971 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [15] total 18 [2022-07-20 04:17:03,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957338253] [2022-07-20 04:17:03,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:17:03,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:17:03,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:17:03,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:17:03,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-07-20 04:17:03,972 INFO L87 Difference]: Start difference. First operand 3815 states and 4655 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-20 04:17:05,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:17:05,232 INFO L93 Difference]: Finished difference Result 3839 states and 4671 transitions. [2022-07-20 04:17:05,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:17:05,234 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) Word has length 153 [2022-07-20 04:17:05,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:17:05,246 INFO L225 Difference]: With dead ends: 3839 [2022-07-20 04:17:05,246 INFO L226 Difference]: Without dead ends: 3837 [2022-07-20 04:17:05,248 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2022-07-20 04:17:05,248 INFO L413 NwaCegarLoop]: 1100 mSDtfsCounter, 1360 mSDsluCounter, 1543 mSDsCounter, 0 mSdLazyCounter, 2063 mSolverCounterSat, 445 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1529 SdHoareTripleChecker+Valid, 2643 SdHoareTripleChecker+Invalid, 2508 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 445 IncrementalHoareTripleChecker+Valid, 2063 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-20 04:17:05,249 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1529 Valid, 2643 Invalid, 2508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [445 Valid, 2063 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-20 04:17:05,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3837 states. [2022-07-20 04:17:05,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3837 to 3837. [2022-07-20 04:17:05,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3837 states, 2604 states have (on average 1.1543778801843319) internal successors, (3006), 2693 states have internal predecessors, (3006), 827 states have call successors, (827), 390 states have call predecessors, (827), 388 states have return successors, (829), 801 states have call predecessors, (829), 825 states have call successors, (829) [2022-07-20 04:17:05,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3837 states to 3837 states and 4662 transitions. [2022-07-20 04:17:05,409 INFO L78 Accepts]: Start accepts. Automaton has 3837 states and 4662 transitions. Word has length 153 [2022-07-20 04:17:05,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:17:05,409 INFO L495 AbstractCegarLoop]: Abstraction has 3837 states and 4662 transitions. [2022-07-20 04:17:05,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 3 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (18), 3 states have call predecessors, (18), 3 states have call successors, (18) [2022-07-20 04:17:05,410 INFO L276 IsEmpty]: Start isEmpty. Operand 3837 states and 4662 transitions. [2022-07-20 04:17:05,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-07-20 04:17:05,412 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:17:05,412 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:17:05,447 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-20 04:17:05,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 04:17:05,648 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ldv_check_for_read_sectionErr3ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:17:05,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:17:05,648 INFO L85 PathProgramCache]: Analyzing trace with hash -281219765, now seen corresponding path program 1 times [2022-07-20 04:17:05,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:17:05,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352826727] [2022-07-20 04:17:05,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:17:05,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:17:05,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:05,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:17:05,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:05,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:17:05,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:05,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:17:05,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:05,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-20 04:17:05,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:05,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:05,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:05,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:05,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:05,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:05,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-20 04:17:05,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:05,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 04:17:05,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:05,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:05,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:05,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:05,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:05,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:05,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:05,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-20 04:17:05,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:05,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 04:17:05,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:05,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:17:05,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:05,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:17:05,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:05,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 04:17:05,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:05,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-20 04:17:05,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:05,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:05,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:05,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:05,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:05,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-20 04:17:05,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:05,813 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-07-20 04:17:05,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:17:05,813 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352826727] [2022-07-20 04:17:05,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352826727] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:17:05,813 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:17:05,813 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-20 04:17:05,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122425209] [2022-07-20 04:17:05,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:17:05,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 04:17:05,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:17:05,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 04:17:05,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-20 04:17:05,815 INFO L87 Difference]: Start difference. First operand 3837 states and 4662 transitions. Second operand has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 04:17:07,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:17:07,346 INFO L93 Difference]: Finished difference Result 4093 states and 5002 transitions. [2022-07-20 04:17:07,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-20 04:17:07,346 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 156 [2022-07-20 04:17:07,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:17:07,375 INFO L225 Difference]: With dead ends: 4093 [2022-07-20 04:17:07,391 INFO L226 Difference]: Without dead ends: 4091 [2022-07-20 04:17:07,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-07-20 04:17:07,395 INFO L413 NwaCegarLoop]: 1266 mSDtfsCounter, 2321 mSDsluCounter, 1822 mSDsCounter, 0 mSdLazyCounter, 1527 mSolverCounterSat, 1184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2501 SdHoareTripleChecker+Valid, 3088 SdHoareTripleChecker+Invalid, 2711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1184 IncrementalHoareTripleChecker+Valid, 1527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-07-20 04:17:07,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2501 Valid, 3088 Invalid, 2711 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1184 Valid, 1527 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-20 04:17:07,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4091 states. [2022-07-20 04:17:07,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4091 to 3835. [2022-07-20 04:17:07,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3835 states, 2603 states have (on average 1.1513638109873223) internal successors, (2997), 2691 states have internal predecessors, (2997), 827 states have call successors, (827), 390 states have call predecessors, (827), 388 states have return successors, (829), 801 states have call predecessors, (829), 825 states have call successors, (829) [2022-07-20 04:17:07,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3835 states to 3835 states and 4653 transitions. [2022-07-20 04:17:07,587 INFO L78 Accepts]: Start accepts. Automaton has 3835 states and 4653 transitions. Word has length 156 [2022-07-20 04:17:07,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:17:07,588 INFO L495 AbstractCegarLoop]: Abstraction has 3835 states and 4653 transitions. [2022-07-20 04:17:07,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.714285714285714) internal successors, (82), 4 states have internal predecessors, (82), 2 states have call successors, (20), 5 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 04:17:07,588 INFO L276 IsEmpty]: Start isEmpty. Operand 3835 states and 4653 transitions. [2022-07-20 04:17:07,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-07-20 04:17:07,590 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:17:07,590 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:17:07,590 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-07-20 04:17:07,590 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ldv_linux_lib_idr_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:17:07,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:17:07,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1200520837, now seen corresponding path program 1 times [2022-07-20 04:17:07,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:17:07,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814162837] [2022-07-20 04:17:07,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:17:07,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:17:07,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:07,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:17:07,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:07,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:17:07,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:07,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:17:07,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:07,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-20 04:17:07,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:07,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 04:17:07,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:07,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-20 04:17:07,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:07,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:07,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:17:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:07,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:17:07,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:07,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 04:17:07,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:07,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-20 04:17:07,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:07,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-20 04:17:07,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:07,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 04:17:07,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:07,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-20 04:17:07,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:07,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 04:17:07,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:07,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 04:17:07,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:07,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-20 04:17:07,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:07,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-20 04:17:07,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:07,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 04:17:07,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:07,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-20 04:17:07,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:07,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-20 04:17:07,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:07,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-20 04:17:07,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:07,774 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-20 04:17:07,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:17:07,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [814162837] [2022-07-20 04:17:07,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [814162837] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:17:07,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:17:07,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:17:07,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121596783] [2022-07-20 04:17:07,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:17:07,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:17:07,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:17:07,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:17:07,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:17:07,775 INFO L87 Difference]: Start difference. First operand 3835 states and 4653 transitions. Second operand has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-20 04:17:09,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:17:09,146 INFO L93 Difference]: Finished difference Result 3835 states and 4653 transitions. [2022-07-20 04:17:09,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:17:09,147 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 150 [2022-07-20 04:17:09,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:17:09,155 INFO L225 Difference]: With dead ends: 3835 [2022-07-20 04:17:09,155 INFO L226 Difference]: Without dead ends: 3833 [2022-07-20 04:17:09,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-20 04:17:09,158 INFO L413 NwaCegarLoop]: 1273 mSDtfsCounter, 1849 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1190 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2009 SdHoareTripleChecker+Valid, 2690 SdHoareTripleChecker+Invalid, 1986 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-20 04:17:09,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2009 Valid, 2690 Invalid, 1986 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1190 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-20 04:17:09,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3833 states. [2022-07-20 04:17:09,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3833 to 3833. [2022-07-20 04:17:09,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3833 states, 2602 states have (on average 1.15065334358186) internal successors, (2994), 2689 states have internal predecessors, (2994), 827 states have call successors, (827), 390 states have call predecessors, (827), 388 states have return successors, (829), 801 states have call predecessors, (829), 825 states have call successors, (829) [2022-07-20 04:17:09,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3833 states to 3833 states and 4650 transitions. [2022-07-20 04:17:09,332 INFO L78 Accepts]: Start accepts. Automaton has 3833 states and 4650 transitions. Word has length 150 [2022-07-20 04:17:09,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:17:09,332 INFO L495 AbstractCegarLoop]: Abstraction has 3833 states and 4650 transitions. [2022-07-20 04:17:09,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.666666666666666) internal successors, (94), 4 states have internal predecessors, (94), 2 states have call successors, (23), 4 states have call predecessors, (23), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-20 04:17:09,332 INFO L276 IsEmpty]: Start isEmpty. Operand 3833 states and 4650 transitions. [2022-07-20 04:17:09,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-07-20 04:17:09,336 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:17:09,336 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:17:09,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-07-20 04:17:09,337 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:17:09,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:17:09,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1309291226, now seen corresponding path program 2 times [2022-07-20 04:17:09,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:17:09,337 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303487813] [2022-07-20 04:17:09,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:17:09,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:17:09,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:09,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:17:09,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:09,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:17:09,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:09,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:17:09,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:09,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-20 04:17:09,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:09,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:09,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:09,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:09,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:09,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:09,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:09,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-20 04:17:09,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:09,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 04:17:09,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:09,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:09,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:09,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:09,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:09,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:09,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:09,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-20 04:17:09,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:09,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 04:17:09,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:09,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:17:09,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:09,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:17:09,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:09,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 04:17:09,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:09,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-20 04:17:09,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:09,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:09,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:09,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:09,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:09,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-20 04:17:09,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:09,489 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-07-20 04:17:09,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:17:09,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303487813] [2022-07-20 04:17:09,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303487813] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:17:09,489 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:17:09,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-20 04:17:09,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431865747] [2022-07-20 04:17:09,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:17:09,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-20 04:17:09,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:17:09,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-20 04:17:09,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-20 04:17:09,491 INFO L87 Difference]: Start difference. First operand 3833 states and 4650 transitions. Second operand has 8 states, 8 states have (on average 9.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 04:17:11,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:17:11,761 INFO L93 Difference]: Finished difference Result 4109 states and 5006 transitions. [2022-07-20 04:17:11,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-20 04:17:11,761 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 161 [2022-07-20 04:17:11,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:17:11,770 INFO L225 Difference]: With dead ends: 4109 [2022-07-20 04:17:11,770 INFO L226 Difference]: Without dead ends: 4107 [2022-07-20 04:17:11,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2022-07-20 04:17:11,772 INFO L413 NwaCegarLoop]: 1306 mSDtfsCounter, 1893 mSDsluCounter, 2932 mSDsCounter, 0 mSdLazyCounter, 3171 mSolverCounterSat, 1282 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1908 SdHoareTripleChecker+Valid, 4238 SdHoareTripleChecker+Invalid, 4453 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1282 IncrementalHoareTripleChecker+Valid, 3171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-20 04:17:11,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1908 Valid, 4238 Invalid, 4453 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1282 Valid, 3171 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-20 04:17:11,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4107 states. [2022-07-20 04:17:11,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4107 to 3845. [2022-07-20 04:17:11,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3845 states, 2611 states have (on average 1.1501340482573728) internal successors, (3003), 2698 states have internal predecessors, (3003), 827 states have call successors, (827), 393 states have call predecessors, (827), 391 states have return successors, (829), 801 states have call predecessors, (829), 825 states have call successors, (829) [2022-07-20 04:17:11,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3845 states to 3845 states and 4659 transitions. [2022-07-20 04:17:11,941 INFO L78 Accepts]: Start accepts. Automaton has 3845 states and 4659 transitions. Word has length 161 [2022-07-20 04:17:11,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:17:11,942 INFO L495 AbstractCegarLoop]: Abstraction has 3845 states and 4659 transitions. [2022-07-20 04:17:11,942 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.0) internal successors, (72), 4 states have internal predecessors, (72), 2 states have call successors, (20), 6 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-20 04:17:11,942 INFO L276 IsEmpty]: Start isEmpty. Operand 3845 states and 4659 transitions. [2022-07-20 04:17:11,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-07-20 04:17:11,944 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:17:11,944 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:17:11,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-07-20 04:17:11,944 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ldv_linux_mmc_sdio_func_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:17:11,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:17:11,945 INFO L85 PathProgramCache]: Analyzing trace with hash -317173186, now seen corresponding path program 1 times [2022-07-20 04:17:11,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:17:11,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386212435] [2022-07-20 04:17:11,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:17:11,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:17:11,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:12,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:17:12,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:12,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:17:12,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:12,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:17:12,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:12,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-20 04:17:12,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:12,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 04:17:12,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:12,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-20 04:17:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:12,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:12,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:12,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:17:12,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:12,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:17:12,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:12,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 04:17:12,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:12,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-20 04:17:12,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:12,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-20 04:17:12,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:12,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 04:17:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:12,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-20 04:17:12,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:12,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 04:17:12,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:12,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 04:17:12,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:12,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-20 04:17:12,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:12,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-20 04:17:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:12,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 04:17:12,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:12,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-20 04:17:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:12,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-20 04:17:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:12,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-20 04:17:12,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:12,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 04:17:12,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:12,094 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-20 04:17:12,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:17:12,094 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1386212435] [2022-07-20 04:17:12,094 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1386212435] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:17:12,094 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:17:12,094 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:17:12,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888114687] [2022-07-20 04:17:12,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:17:12,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:17:12,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:17:12,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:17:12,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:17:12,096 INFO L87 Difference]: Start difference. First operand 3845 states and 4659 transitions. Second operand has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-20 04:17:13,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:17:13,511 INFO L93 Difference]: Finished difference Result 3845 states and 4659 transitions. [2022-07-20 04:17:13,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:17:13,511 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (24), 4 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 156 [2022-07-20 04:17:13,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:17:13,519 INFO L225 Difference]: With dead ends: 3845 [2022-07-20 04:17:13,520 INFO L226 Difference]: Without dead ends: 3843 [2022-07-20 04:17:13,521 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-20 04:17:13,522 INFO L413 NwaCegarLoop]: 1271 mSDtfsCounter, 1843 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1188 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2002 SdHoareTripleChecker+Valid, 2688 SdHoareTripleChecker+Invalid, 1984 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1188 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-20 04:17:13,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2002 Valid, 2688 Invalid, 1984 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1188 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-20 04:17:13,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3843 states. [2022-07-20 04:17:13,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3843 to 3843. [2022-07-20 04:17:13,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3843 states, 2610 states have (on average 1.1494252873563218) internal successors, (3000), 2696 states have internal predecessors, (3000), 827 states have call successors, (827), 393 states have call predecessors, (827), 391 states have return successors, (829), 801 states have call predecessors, (829), 825 states have call successors, (829) [2022-07-20 04:17:13,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3843 states to 3843 states and 4656 transitions. [2022-07-20 04:17:13,697 INFO L78 Accepts]: Start accepts. Automaton has 3843 states and 4656 transitions. Word has length 156 [2022-07-20 04:17:13,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:17:13,697 INFO L495 AbstractCegarLoop]: Abstraction has 3843 states and 4656 transitions. [2022-07-20 04:17:13,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 16.333333333333332) internal successors, (98), 4 states have internal predecessors, (98), 2 states have call successors, (24), 4 states have call predecessors, (24), 1 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2022-07-20 04:17:13,698 INFO L276 IsEmpty]: Start isEmpty. Operand 3843 states and 4656 transitions. [2022-07-20 04:17:13,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-07-20 04:17:13,700 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:17:13,700 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:17:13,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-07-20 04:17:13,700 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:17:13,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:17:13,701 INFO L85 PathProgramCache]: Analyzing trace with hash -1340163979, now seen corresponding path program 1 times [2022-07-20 04:17:13,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:17:13,701 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799578743] [2022-07-20 04:17:13,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:17:13,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:17:13,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:13,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:17:13,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:13,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:17:13,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:13,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:17:13,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:13,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-20 04:17:13,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:13,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:13,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:13,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:13,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:13,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:13,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:13,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-20 04:17:13,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:13,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 04:17:13,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:13,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:13,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:13,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:13,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:13,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:13,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:13,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-20 04:17:13,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:13,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 04:17:13,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:13,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:17:13,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:13,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:17:13,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:13,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 04:17:13,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:13,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-20 04:17:13,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:13,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:13,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:13,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:13,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:13,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-20 04:17:13,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:13,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-20 04:17:13,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:13,882 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-07-20 04:17:13,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:17:13,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799578743] [2022-07-20 04:17:13,890 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [799578743] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:17:13,890 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:17:13,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-20 04:17:13,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114927730] [2022-07-20 04:17:13,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:17:13,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-20 04:17:13,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:17:13,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-20 04:17:13,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-20 04:17:13,892 INFO L87 Difference]: Start difference. First operand 3843 states and 4656 transitions. Second operand has 8 states, 8 states have (on average 11.0) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-20 04:17:16,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:17:16,067 INFO L93 Difference]: Finished difference Result 4294 states and 5180 transitions. [2022-07-20 04:17:16,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-20 04:17:16,067 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 165 [2022-07-20 04:17:16,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:17:16,075 INFO L225 Difference]: With dead ends: 4294 [2022-07-20 04:17:16,076 INFO L226 Difference]: Without dead ends: 4292 [2022-07-20 04:17:16,077 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2022-07-20 04:17:16,078 INFO L413 NwaCegarLoop]: 1289 mSDtfsCounter, 2277 mSDsluCounter, 2449 mSDsCounter, 0 mSdLazyCounter, 2531 mSolverCounterSat, 1159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2439 SdHoareTripleChecker+Valid, 3738 SdHoareTripleChecker+Invalid, 3690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1159 IncrementalHoareTripleChecker+Valid, 2531 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-07-20 04:17:16,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2439 Valid, 3738 Invalid, 3690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1159 Valid, 2531 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-20 04:17:16,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4292 states. [2022-07-20 04:17:16,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4292 to 4030. [2022-07-20 04:17:16,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4030 states, 2749 states have (on average 1.1436886140414697) internal successors, (3144), 2834 states have internal predecessors, (3144), 841 states have call successors, (841), 428 states have call predecessors, (841), 426 states have return successors, (843), 815 states have call predecessors, (843), 839 states have call successors, (843) [2022-07-20 04:17:16,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4030 states to 4030 states and 4828 transitions. [2022-07-20 04:17:16,265 INFO L78 Accepts]: Start accepts. Automaton has 4030 states and 4828 transitions. Word has length 165 [2022-07-20 04:17:16,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:17:16,265 INFO L495 AbstractCegarLoop]: Abstraction has 4030 states and 4828 transitions. [2022-07-20 04:17:16,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 4 states have internal predecessors, (88), 2 states have call successors, (22), 6 states have call predecessors, (22), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-07-20 04:17:16,265 INFO L276 IsEmpty]: Start isEmpty. Operand 4030 states and 4828 transitions. [2022-07-20 04:17:16,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-07-20 04:17:16,269 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:17:16,270 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:17:16,270 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-07-20 04:17:16,270 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting ldv_linux_net_rtnetlink_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:17:16,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:17:16,270 INFO L85 PathProgramCache]: Analyzing trace with hash -960462947, now seen corresponding path program 1 times [2022-07-20 04:17:16,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:17:16,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088724772] [2022-07-20 04:17:16,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:17:16,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:17:16,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:16,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:17:16,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:16,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:17:16,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:16,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:17:16,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:16,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-20 04:17:16,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:16,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 04:17:16,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:16,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-20 04:17:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:16,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:16,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:16,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:17:16,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:16,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:17:16,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:16,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 04:17:16,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:16,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-20 04:17:16,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:16,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-20 04:17:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:16,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 04:17:16,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:16,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-20 04:17:16,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:16,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 04:17:16,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:16,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 04:17:16,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:16,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-20 04:17:16,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:16,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-20 04:17:16,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:16,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 04:17:16,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:16,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-20 04:17:16,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:16,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-20 04:17:16,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:16,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-20 04:17:16,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:16,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 04:17:16,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:16,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-20 04:17:16,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:16,426 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-20 04:17:16,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:17:16,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088724772] [2022-07-20 04:17:16,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1088724772] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:17:16,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:17:16,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:17:16,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261967339] [2022-07-20 04:17:16,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:17:16,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:17:16,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:17:16,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:17:16,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:17:16,429 INFO L87 Difference]: Start difference. First operand 4030 states and 4828 transitions. Second operand has 6 states, 6 states have (on average 17.0) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-20 04:17:17,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:17:17,587 INFO L93 Difference]: Finished difference Result 4030 states and 4828 transitions. [2022-07-20 04:17:17,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:17:17,587 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.0) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 162 [2022-07-20 04:17:17,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:17:17,594 INFO L225 Difference]: With dead ends: 4030 [2022-07-20 04:17:17,594 INFO L226 Difference]: Without dead ends: 4028 [2022-07-20 04:17:17,595 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-20 04:17:17,596 INFO L413 NwaCegarLoop]: 1267 mSDtfsCounter, 1831 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1184 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1989 SdHoareTripleChecker+Valid, 2684 SdHoareTripleChecker+Invalid, 1980 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-07-20 04:17:17,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1989 Valid, 2684 Invalid, 1980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1184 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-07-20 04:17:17,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4028 states. [2022-07-20 04:17:17,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4028 to 4028. [2022-07-20 04:17:17,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4028 states, 2748 states have (on average 1.1430131004366813) internal successors, (3141), 2832 states have internal predecessors, (3141), 841 states have call successors, (841), 428 states have call predecessors, (841), 426 states have return successors, (843), 815 states have call predecessors, (843), 839 states have call successors, (843) [2022-07-20 04:17:17,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4028 states to 4028 states and 4825 transitions. [2022-07-20 04:17:17,776 INFO L78 Accepts]: Start accepts. Automaton has 4028 states and 4825 transitions. Word has length 162 [2022-07-20 04:17:17,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:17:17,776 INFO L495 AbstractCegarLoop]: Abstraction has 4028 states and 4825 transitions. [2022-07-20 04:17:17,776 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.0) internal successors, (102), 4 states have internal predecessors, (102), 2 states have call successors, (25), 4 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-07-20 04:17:17,776 INFO L276 IsEmpty]: Start isEmpty. Operand 4028 states and 4825 transitions. [2022-07-20 04:17:17,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-07-20 04:17:17,778 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:17:17,778 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2022-07-20 04:17:17,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-07-20 04:17:17,779 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting nfnl_log_pernetErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:17:17,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:17:17,779 INFO L85 PathProgramCache]: Analyzing trace with hash 418258293, now seen corresponding path program 1 times [2022-07-20 04:17:17,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:17:17,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606778387] [2022-07-20 04:17:17,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:17:17,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:17:17,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:17,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:17:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:17,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:17:17,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:17,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:17:17,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:17,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-20 04:17:17,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:17,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:17,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:17,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:17,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:17,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:17,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:17,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-20 04:17:17,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:17,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 04:17:17,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:17,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:17,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:17,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:17,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:17,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:17,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:17,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-20 04:17:17,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:18,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 04:17:18,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:18,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:17:18,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:18,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:17:18,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:18,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 04:17:18,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:18,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 04:17:18,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:18,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-20 04:17:18,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:18,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-20 04:17:18,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:18,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:18,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:18,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:18,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:18,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:18,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-20 04:17:18,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:18,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-20 04:17:18,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:18,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-20 04:17:18,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:18,082 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 6 proven. 23 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2022-07-20 04:17:18,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:17:18,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606778387] [2022-07-20 04:17:18,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606778387] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 04:17:18,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1763457551] [2022-07-20 04:17:18,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:17:18,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 04:17:18,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 04:17:18,084 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 04:17:18,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-20 04:17:18,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:18,507 INFO L263 TraceCheckSpWp]: Trace formula consists of 1488 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-20 04:17:18,510 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 04:17:18,726 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 21 proven. 15 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2022-07-20 04:17:18,726 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 04:17:18,984 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2022-07-20 04:17:18,984 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1763457551] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 04:17:18,984 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-20 04:17:18,984 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 7, 7] total 20 [2022-07-20 04:17:18,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248806372] [2022-07-20 04:17:18,984 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-20 04:17:18,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-07-20 04:17:18,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:17:18,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-07-20 04:17:18,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2022-07-20 04:17:18,993 INFO L87 Difference]: Start difference. First operand 4028 states and 4825 transitions. Second operand has 20 states, 20 states have (on average 7.25) internal successors, (145), 16 states have internal predecessors, (145), 11 states have call successors, (50), 8 states have call predecessors, (50), 7 states have return successors, (47), 12 states have call predecessors, (47), 11 states have call successors, (47) [2022-07-20 04:17:24,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:17:24,180 INFO L93 Difference]: Finished difference Result 4408 states and 5289 transitions. [2022-07-20 04:17:24,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-20 04:17:24,181 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 7.25) internal successors, (145), 16 states have internal predecessors, (145), 11 states have call successors, (50), 8 states have call predecessors, (50), 7 states have return successors, (47), 12 states have call predecessors, (47), 11 states have call successors, (47) Word has length 172 [2022-07-20 04:17:24,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:17:24,192 INFO L225 Difference]: With dead ends: 4408 [2022-07-20 04:17:24,192 INFO L226 Difference]: Without dead ends: 4406 [2022-07-20 04:17:24,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 421 GetRequests, 389 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=230, Invalid=762, Unknown=0, NotChecked=0, Total=992 [2022-07-20 04:17:24,196 INFO L413 NwaCegarLoop]: 1193 mSDtfsCounter, 4482 mSDsluCounter, 4864 mSDsCounter, 0 mSdLazyCounter, 10563 mSolverCounterSat, 2473 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4771 SdHoareTripleChecker+Valid, 6057 SdHoareTripleChecker+Invalid, 13036 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2473 IncrementalHoareTripleChecker+Valid, 10563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-07-20 04:17:24,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4771 Valid, 6057 Invalid, 13036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2473 Valid, 10563 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-07-20 04:17:24,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4406 states. [2022-07-20 04:17:24,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4406 to 3948. [2022-07-20 04:17:24,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3948 states, 2695 states have (on average 1.1432282003710574) internal successors, (3081), 2773 states have internal predecessors, (3081), 822 states have call successors, (822), 419 states have call predecessors, (822), 419 states have return successors, (824), 801 states have call predecessors, (824), 820 states have call successors, (824) [2022-07-20 04:17:24,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3948 states to 3948 states and 4727 transitions. [2022-07-20 04:17:24,399 INFO L78 Accepts]: Start accepts. Automaton has 3948 states and 4727 transitions. Word has length 172 [2022-07-20 04:17:24,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:17:24,399 INFO L495 AbstractCegarLoop]: Abstraction has 3948 states and 4727 transitions. [2022-07-20 04:17:24,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 7.25) internal successors, (145), 16 states have internal predecessors, (145), 11 states have call successors, (50), 8 states have call predecessors, (50), 7 states have return successors, (47), 12 states have call predecessors, (47), 11 states have call successors, (47) [2022-07-20 04:17:24,400 INFO L276 IsEmpty]: Start isEmpty. Operand 3948 states and 4727 transitions. [2022-07-20 04:17:24,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-07-20 04:17:24,402 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:17:24,402 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:17:24,424 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-20 04:17:24,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2022-07-20 04:17:24,616 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting ldv_linux_net_sock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:17:24,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:17:24,616 INFO L85 PathProgramCache]: Analyzing trace with hash -997639927, now seen corresponding path program 1 times [2022-07-20 04:17:24,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:17:24,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471698680] [2022-07-20 04:17:24,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:17:24,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:17:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:24,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:17:24,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:24,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:17:24,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:24,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:17:24,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:24,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-20 04:17:24,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:24,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 04:17:24,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:24,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-20 04:17:24,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:24,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:24,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:17:24,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:24,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:17:24,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:24,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 04:17:24,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:24,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-20 04:17:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:24,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-20 04:17:24,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:24,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 04:17:24,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:24,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-20 04:17:24,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:24,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 04:17:24,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:24,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 04:17:24,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:24,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-20 04:17:24,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:24,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-20 04:17:24,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:24,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 04:17:24,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:24,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-20 04:17:24,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:24,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-20 04:17:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:24,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-20 04:17:24,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:24,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 04:17:24,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:24,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-20 04:17:24,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:24,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 04:17:24,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:24,827 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-20 04:17:24,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:17:24,828 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471698680] [2022-07-20 04:17:24,828 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471698680] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:17:24,828 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:17:24,828 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:17:24,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187334837] [2022-07-20 04:17:24,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:17:24,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:17:24,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:17:24,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:17:24,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:17:24,829 INFO L87 Difference]: Start difference. First operand 3948 states and 4727 transitions. Second operand has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-20 04:17:26,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:17:26,071 INFO L93 Difference]: Finished difference Result 3948 states and 4727 transitions. [2022-07-20 04:17:26,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:17:26,071 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 168 [2022-07-20 04:17:26,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:17:26,081 INFO L225 Difference]: With dead ends: 3948 [2022-07-20 04:17:26,081 INFO L226 Difference]: Without dead ends: 3946 [2022-07-20 04:17:26,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-20 04:17:26,085 INFO L413 NwaCegarLoop]: 1263 mSDtfsCounter, 1819 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1180 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1976 SdHoareTripleChecker+Valid, 2680 SdHoareTripleChecker+Invalid, 1976 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-20 04:17:26,085 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1976 Valid, 2680 Invalid, 1976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1180 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-20 04:17:26,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3946 states. [2022-07-20 04:17:26,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3946 to 3946. [2022-07-20 04:17:26,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3946 states, 2694 states have (on average 1.1425389755011135) internal successors, (3078), 2771 states have internal predecessors, (3078), 822 states have call successors, (822), 419 states have call predecessors, (822), 419 states have return successors, (824), 801 states have call predecessors, (824), 820 states have call successors, (824) [2022-07-20 04:17:26,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3946 states to 3946 states and 4724 transitions. [2022-07-20 04:17:26,285 INFO L78 Accepts]: Start accepts. Automaton has 3946 states and 4724 transitions. Word has length 168 [2022-07-20 04:17:26,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:17:26,286 INFO L495 AbstractCegarLoop]: Abstraction has 3946 states and 4724 transitions. [2022-07-20 04:17:26,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.666666666666668) internal successors, (106), 4 states have internal predecessors, (106), 2 states have call successors, (26), 4 states have call predecessors, (26), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2022-07-20 04:17:26,286 INFO L276 IsEmpty]: Start isEmpty. Operand 3946 states and 4724 transitions. [2022-07-20 04:17:26,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-07-20 04:17:26,288 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:17:26,289 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:17:26,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-07-20 04:17:26,289 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting ldv_linux_usb_coherent_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:17:26,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:17:26,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1151503070, now seen corresponding path program 1 times [2022-07-20 04:17:26,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:17:26,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3324997] [2022-07-20 04:17:26,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:17:26,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:17:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:26,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:17:26,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:26,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:17:26,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:26,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:17:26,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:26,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-20 04:17:26,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:26,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 04:17:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:26,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-20 04:17:26,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:26,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:26,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:26,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:17:26,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:26,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:17:26,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:26,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 04:17:26,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:26,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-20 04:17:26,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:26,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-20 04:17:26,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:26,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 04:17:26,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:26,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-20 04:17:26,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:26,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 04:17:26,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:26,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 04:17:26,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:26,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-20 04:17:26,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:26,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-20 04:17:26,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:26,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 04:17:26,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:26,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-20 04:17:26,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:26,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-20 04:17:26,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:26,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-20 04:17:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:26,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 04:17:26,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:26,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-20 04:17:26,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:26,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 04:17:26,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:26,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-20 04:17:26,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:26,453 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-20 04:17:26,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:17:26,453 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3324997] [2022-07-20 04:17:26,453 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3324997] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:17:26,454 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:17:26,454 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:17:26,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304878056] [2022-07-20 04:17:26,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:17:26,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:17:26,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:17:26,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:17:26,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:17:26,455 INFO L87 Difference]: Start difference. First operand 3946 states and 4724 transitions. Second operand has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-20 04:17:27,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:17:27,828 INFO L93 Difference]: Finished difference Result 3946 states and 4724 transitions. [2022-07-20 04:17:27,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:17:27,829 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 174 [2022-07-20 04:17:27,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:17:27,838 INFO L225 Difference]: With dead ends: 3946 [2022-07-20 04:17:27,838 INFO L226 Difference]: Without dead ends: 3944 [2022-07-20 04:17:27,840 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-20 04:17:27,841 INFO L413 NwaCegarLoop]: 1261 mSDtfsCounter, 1813 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1178 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1969 SdHoareTripleChecker+Valid, 2678 SdHoareTripleChecker+Invalid, 1974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-20 04:17:27,841 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1969 Valid, 2678 Invalid, 1974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1178 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-20 04:17:27,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3944 states. [2022-07-20 04:17:28,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3944 to 3944. [2022-07-20 04:17:28,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3944 states, 2693 states have (on average 1.1418492387671741) internal successors, (3075), 2769 states have internal predecessors, (3075), 822 states have call successors, (822), 419 states have call predecessors, (822), 419 states have return successors, (824), 801 states have call predecessors, (824), 820 states have call successors, (824) [2022-07-20 04:17:28,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3944 states to 3944 states and 4721 transitions. [2022-07-20 04:17:28,045 INFO L78 Accepts]: Start accepts. Automaton has 3944 states and 4721 transitions. Word has length 174 [2022-07-20 04:17:28,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:17:28,046 INFO L495 AbstractCegarLoop]: Abstraction has 3944 states and 4721 transitions. [2022-07-20 04:17:28,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.333333333333332) internal successors, (110), 4 states have internal predecessors, (110), 2 states have call successors, (27), 4 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-07-20 04:17:28,046 INFO L276 IsEmpty]: Start isEmpty. Operand 3944 states and 4721 transitions. [2022-07-20 04:17:28,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-07-20 04:17:28,048 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:17:28,049 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 7, 7, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:17:28,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-07-20 04:17:28,049 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting rcu_read_unlock_bhErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:17:28,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:17:28,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1321564324, now seen corresponding path program 1 times [2022-07-20 04:17:28,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:17:28,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116572095] [2022-07-20 04:17:28,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:17:28,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:17:28,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:28,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:17:28,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:28,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:17:28,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:28,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:17:28,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:28,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-20 04:17:28,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:28,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 04:17:28,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:28,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-20 04:17:28,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:28,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:28,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:28,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:17:28,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:28,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:17:28,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:28,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-20 04:17:28,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:28,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-20 04:17:28,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:28,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:28,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:28,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:28,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:28,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:28,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:28,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-20 04:17:28,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:28,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 04:17:28,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:28,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 04:17:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:28,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 04:17:28,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:28,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:28,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:28,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:28,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:28,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:28,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:28,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 04:17:28,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:28,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 04:17:28,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:28,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 04:17:28,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:28,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-20 04:17:28,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:28,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-20 04:17:28,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:28,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-20 04:17:28,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:28,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-20 04:17:28,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:28,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:28,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:28,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:28,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:28,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:28,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:28,280 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2022-07-20 04:17:28,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:17:28,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116572095] [2022-07-20 04:17:28,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116572095] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 04:17:28,281 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [659126655] [2022-07-20 04:17:28,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:17:28,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 04:17:28,281 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 04:17:28,300 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 04:17:28,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-20 04:17:28,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:28,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 1504 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-20 04:17:28,729 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 04:17:28,909 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2022-07-20 04:17:28,909 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 04:17:28,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [659126655] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:17:28,909 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 04:17:28,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 14 [2022-07-20 04:17:28,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012075626] [2022-07-20 04:17:28,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:17:28,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 04:17:28,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:17:28,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 04:17:28,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2022-07-20 04:17:28,911 INFO L87 Difference]: Start difference. First operand 3944 states and 4721 transitions. Second operand has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-20 04:17:31,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:17:31,482 INFO L93 Difference]: Finished difference Result 4932 states and 5859 transitions. [2022-07-20 04:17:31,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-20 04:17:31,482 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 195 [2022-07-20 04:17:31,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:17:31,493 INFO L225 Difference]: With dead ends: 4932 [2022-07-20 04:17:31,494 INFO L226 Difference]: Without dead ends: 4930 [2022-07-20 04:17:31,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2022-07-20 04:17:31,498 INFO L413 NwaCegarLoop]: 1590 mSDtfsCounter, 1986 mSDsluCounter, 2324 mSDsCounter, 0 mSdLazyCounter, 3922 mSolverCounterSat, 765 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2219 SdHoareTripleChecker+Valid, 3914 SdHoareTripleChecker+Invalid, 4687 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 765 IncrementalHoareTripleChecker+Valid, 3922 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-07-20 04:17:31,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2219 Valid, 3914 Invalid, 4687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [765 Valid, 3922 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-07-20 04:17:31,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4930 states. [2022-07-20 04:17:31,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4930 to 4506. [2022-07-20 04:17:31,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4506 states, 3061 states have (on average 1.1394968964390721) internal successors, (3488), 3152 states have internal predecessors, (3488), 959 states have call successors, (959), 477 states have call predecessors, (959), 477 states have return successors, (961), 930 states have call predecessors, (961), 957 states have call successors, (961) [2022-07-20 04:17:31,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4506 states to 4506 states and 5408 transitions. [2022-07-20 04:17:31,781 INFO L78 Accepts]: Start accepts. Automaton has 4506 states and 5408 transitions. Word has length 195 [2022-07-20 04:17:31,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:17:31,782 INFO L495 AbstractCegarLoop]: Abstraction has 4506 states and 5408 transitions. [2022-07-20 04:17:31,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.285714285714286) internal successors, (86), 5 states have internal predecessors, (86), 2 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-20 04:17:31,782 INFO L276 IsEmpty]: Start isEmpty. Operand 4506 states and 5408 transitions. [2022-07-20 04:17:31,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2022-07-20 04:17:31,784 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:17:31,785 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:17:31,817 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-20 04:17:31,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 04:17:32,000 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlockErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:17:32,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:17:32,000 INFO L85 PathProgramCache]: Analyzing trace with hash 177639198, now seen corresponding path program 1 times [2022-07-20 04:17:32,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:17:32,001 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710045747] [2022-07-20 04:17:32,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:17:32,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:17:32,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:32,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:17:32,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:32,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:17:32,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:32,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:17:32,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:32,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-20 04:17:32,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:32,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:32,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:32,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:32,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:32,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:32,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:32,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-20 04:17:32,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:32,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 04:17:32,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:32,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:32,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:32,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:32,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:32,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:32,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:32,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-20 04:17:32,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:32,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 04:17:32,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:32,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:17:32,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:32,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:17:32,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:32,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 04:17:32,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:32,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-20 04:17:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:32,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:32,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:32,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:32,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:32,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-20 04:17:32,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:32,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 04:17:32,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:32,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-20 04:17:32,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:32,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 04:17:32,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:32,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 04:17:32,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:32,171 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2022-07-20 04:17:32,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:17:32,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710045747] [2022-07-20 04:17:32,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710045747] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:17:32,171 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:17:32,172 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-20 04:17:32,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356207580] [2022-07-20 04:17:32,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:17:32,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-20 04:17:32,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:17:32,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-20 04:17:32,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-20 04:17:32,173 INFO L87 Difference]: Start difference. First operand 4506 states and 5408 transitions. Second operand has 9 states, 8 states have (on average 12.125) internal successors, (97), 4 states have internal predecessors, (97), 3 states have call successors, (25), 7 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-20 04:17:34,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:17:34,618 INFO L93 Difference]: Finished difference Result 4797 states and 5789 transitions. [2022-07-20 04:17:34,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-20 04:17:34,619 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 12.125) internal successors, (97), 4 states have internal predecessors, (97), 3 states have call successors, (25), 7 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 200 [2022-07-20 04:17:34,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:17:34,629 INFO L225 Difference]: With dead ends: 4797 [2022-07-20 04:17:34,629 INFO L226 Difference]: Without dead ends: 4795 [2022-07-20 04:17:34,631 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 54 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2022-07-20 04:17:34,632 INFO L413 NwaCegarLoop]: 1278 mSDtfsCounter, 1904 mSDsluCounter, 3390 mSDsCounter, 0 mSdLazyCounter, 3176 mSolverCounterSat, 1472 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1906 SdHoareTripleChecker+Valid, 4668 SdHoareTripleChecker+Invalid, 4648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1472 IncrementalHoareTripleChecker+Valid, 3176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-20 04:17:34,632 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1906 Valid, 4668 Invalid, 4648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1472 Valid, 3176 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-20 04:17:34,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4795 states. [2022-07-20 04:17:34,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4795 to 4504. [2022-07-20 04:17:34,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4504 states, 3060 states have (on average 1.1366013071895424) internal successors, (3478), 3150 states have internal predecessors, (3478), 959 states have call successors, (959), 477 states have call predecessors, (959), 477 states have return successors, (961), 930 states have call predecessors, (961), 957 states have call successors, (961) [2022-07-20 04:17:34,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4504 states to 4504 states and 5398 transitions. [2022-07-20 04:17:34,885 INFO L78 Accepts]: Start accepts. Automaton has 4504 states and 5398 transitions. Word has length 200 [2022-07-20 04:17:34,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:17:34,886 INFO L495 AbstractCegarLoop]: Abstraction has 4504 states and 5398 transitions. [2022-07-20 04:17:34,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 12.125) internal successors, (97), 4 states have internal predecessors, (97), 3 states have call successors, (25), 7 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-20 04:17:34,886 INFO L276 IsEmpty]: Start isEmpty. Operand 4504 states and 5398 transitions. [2022-07-20 04:17:34,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-07-20 04:17:34,888 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:17:34,889 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:17:34,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-07-20 04:17:34,889 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:17:34,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:17:34,889 INFO L85 PathProgramCache]: Analyzing trace with hash 133438446, now seen corresponding path program 1 times [2022-07-20 04:17:34,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:17:34,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866235728] [2022-07-20 04:17:34,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:17:34,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:17:34,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:35,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:17:35,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:35,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:17:35,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:35,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:17:35,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:35,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-20 04:17:35,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:35,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 04:17:35,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:35,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-20 04:17:35,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:35,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:35,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:35,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:17:35,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:35,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:17:35,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:35,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 04:17:35,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:35,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-20 04:17:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:35,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-20 04:17:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:35,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 04:17:35,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:35,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-20 04:17:35,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:35,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 04:17:35,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:35,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 04:17:35,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:35,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-20 04:17:35,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:35,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-20 04:17:35,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:35,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 04:17:35,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:35,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-20 04:17:35,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:35,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-20 04:17:35,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:35,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-20 04:17:35,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:35,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 04:17:35,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:35,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-20 04:17:35,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:35,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 04:17:35,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:35,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-20 04:17:35,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:35,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-20 04:17:35,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:35,088 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-20 04:17:35,088 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:17:35,088 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866235728] [2022-07-20 04:17:35,089 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866235728] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:17:35,089 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:17:35,089 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:17:35,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69832855] [2022-07-20 04:17:35,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:17:35,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:17:35,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:17:35,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:17:35,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:17:35,090 INFO L87 Difference]: Start difference. First operand 4504 states and 5398 transitions. Second operand has 6 states, 6 states have (on average 19.0) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-20 04:17:36,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:17:36,364 INFO L93 Difference]: Finished difference Result 4504 states and 5398 transitions. [2022-07-20 04:17:36,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:17:36,365 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 180 [2022-07-20 04:17:36,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:17:36,375 INFO L225 Difference]: With dead ends: 4504 [2022-07-20 04:17:36,375 INFO L226 Difference]: Without dead ends: 4502 [2022-07-20 04:17:36,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-20 04:17:36,377 INFO L413 NwaCegarLoop]: 1255 mSDtfsCounter, 1795 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1172 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1950 SdHoareTripleChecker+Valid, 2672 SdHoareTripleChecker+Invalid, 1968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-07-20 04:17:36,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1950 Valid, 2672 Invalid, 1968 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1172 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-20 04:17:36,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4502 states. [2022-07-20 04:17:36,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4502 to 4502. [2022-07-20 04:17:36,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4502 states, 3059 states have (on average 1.1359921542987905) internal successors, (3475), 3148 states have internal predecessors, (3475), 959 states have call successors, (959), 477 states have call predecessors, (959), 477 states have return successors, (961), 930 states have call predecessors, (961), 957 states have call successors, (961) [2022-07-20 04:17:36,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4502 states to 4502 states and 5395 transitions. [2022-07-20 04:17:36,628 INFO L78 Accepts]: Start accepts. Automaton has 4502 states and 5395 transitions. Word has length 180 [2022-07-20 04:17:36,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:17:36,628 INFO L495 AbstractCegarLoop]: Abstraction has 4502 states and 5395 transitions. [2022-07-20 04:17:36,628 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 4 states have internal predecessors, (114), 2 states have call successors, (28), 4 states have call predecessors, (28), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-07-20 04:17:36,629 INFO L276 IsEmpty]: Start isEmpty. Operand 4502 states and 5395 transitions. [2022-07-20 04:17:36,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-07-20 04:17:36,631 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:17:36,631 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:17:36,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-07-20 04:17:36,631 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ldv_linux_usb_urb_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:17:36,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:17:36,632 INFO L85 PathProgramCache]: Analyzing trace with hash 883703373, now seen corresponding path program 1 times [2022-07-20 04:17:36,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:17:36,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578031063] [2022-07-20 04:17:36,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:17:36,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:17:36,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:36,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:17:36,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:36,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:17:36,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:36,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:17:36,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:36,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-20 04:17:36,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:36,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 04:17:36,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:36,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-20 04:17:36,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:36,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:36,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:36,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:17:36,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:36,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:17:36,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:36,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 04:17:36,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:36,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-20 04:17:36,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:36,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-20 04:17:36,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:36,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 04:17:36,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:36,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-20 04:17:36,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:36,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-20 04:17:36,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:36,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-20 04:17:36,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:36,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-20 04:17:36,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:36,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-20 04:17:36,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:36,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 04:17:36,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:36,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-20 04:17:36,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:36,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-20 04:17:36,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:36,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-20 04:17:36,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:36,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 04:17:36,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:36,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-20 04:17:36,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:36,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-20 04:17:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:36,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-20 04:17:36,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:36,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-20 04:17:36,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:36,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-20 04:17:36,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:36,850 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-20 04:17:36,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:17:36,851 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578031063] [2022-07-20 04:17:36,851 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578031063] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:17:36,851 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:17:36,851 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-20 04:17:36,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059125508] [2022-07-20 04:17:36,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:17:36,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:17:36,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:17:36,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:17:36,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-20 04:17:36,853 INFO L87 Difference]: Start difference. First operand 4502 states and 5395 transitions. Second operand has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 4 states have internal predecessors, (118), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-20 04:17:38,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:17:38,361 INFO L93 Difference]: Finished difference Result 4502 states and 5395 transitions. [2022-07-20 04:17:38,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:17:38,362 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 4 states have internal predecessors, (118), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 186 [2022-07-20 04:17:38,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:17:38,372 INFO L225 Difference]: With dead ends: 4502 [2022-07-20 04:17:38,372 INFO L226 Difference]: Without dead ends: 4109 [2022-07-20 04:17:38,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-07-20 04:17:38,376 INFO L413 NwaCegarLoop]: 1254 mSDtfsCounter, 1786 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1172 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1940 SdHoareTripleChecker+Valid, 2671 SdHoareTripleChecker+Invalid, 1968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 796 IncrementalHoareTripleChecker+Valid, 1172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-20 04:17:38,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1940 Valid, 2671 Invalid, 1968 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1172 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-20 04:17:38,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4109 states. [2022-07-20 04:17:38,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4109 to 4106. [2022-07-20 04:17:38,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4106 states, 2803 states have (on average 1.140920442383161) internal successors, (3198), 2886 states have internal predecessors, (3198), 871 states have call successors, (871), 427 states have call predecessors, (871), 426 states have return successors, (872), 844 states have call predecessors, (872), 868 states have call successors, (872) [2022-07-20 04:17:38,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4106 states to 4106 states and 4941 transitions. [2022-07-20 04:17:38,635 INFO L78 Accepts]: Start accepts. Automaton has 4106 states and 4941 transitions. Word has length 186 [2022-07-20 04:17:38,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:17:38,635 INFO L495 AbstractCegarLoop]: Abstraction has 4106 states and 4941 transitions. [2022-07-20 04:17:38,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.666666666666668) internal successors, (118), 4 states have internal predecessors, (118), 2 states have call successors, (29), 4 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-07-20 04:17:38,635 INFO L276 IsEmpty]: Start isEmpty. Operand 4106 states and 4941 transitions. [2022-07-20 04:17:38,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-07-20 04:17:38,667 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:17:38,667 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:17:38,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-07-20 04:17:38,668 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting ldv_linux_kernel_rcu_update_lock_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:17:38,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:17:38,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1354872773, now seen corresponding path program 1 times [2022-07-20 04:17:38,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:17:38,669 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264989932] [2022-07-20 04:17:38,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:17:38,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:17:38,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:17:38,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:17:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:17:38,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-20 04:17:38,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:38,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:38,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:38,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-20 04:17:38,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-20 04:17:38,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:38,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:38,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:38,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-20 04:17:38,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 04:17:38,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:17:38,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:17:38,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 04:17:38,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-20 04:17:38,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-20 04:17:38,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-20 04:17:38,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-20 04:17:38,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-20 04:17:38,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:38,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-20 04:17:38,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-20 04:17:38,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-20 04:17:38,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-20 04:17:38,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-20 04:17:38,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-20 04:17:38,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:38,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-20 04:17:38,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:39,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-20 04:17:39,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:39,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-20 04:17:39,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:39,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-20 04:17:39,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:39,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-20 04:17:39,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:39,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-20 04:17:39,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:39,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-20 04:17:39,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:39,019 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2022-07-20 04:17:39,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:17:39,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264989932] [2022-07-20 04:17:39,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264989932] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 04:17:39,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [910446359] [2022-07-20 04:17:39,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:17:39,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 04:17:39,020 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 04:17:39,033 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 04:17:39,034 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-20 04:17:39,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:39,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 1541 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-20 04:17:39,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 04:17:39,707 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-20 04:17:39,707 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 04:17:39,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [910446359] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:17:39,707 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 04:17:39,708 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [17] total 20 [2022-07-20 04:17:39,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971884865] [2022-07-20 04:17:39,708 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:17:39,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-20 04:17:39,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:17:39,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-20 04:17:39,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=338, Unknown=0, NotChecked=0, Total=380 [2022-07-20 04:17:39,709 INFO L87 Difference]: Start difference. First operand 4106 states and 4941 transitions. Second operand has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-20 04:17:41,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:17:41,089 INFO L93 Difference]: Finished difference Result 4106 states and 4941 transitions. [2022-07-20 04:17:41,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:17:41,090 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 243 [2022-07-20 04:17:41,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:17:41,099 INFO L225 Difference]: With dead ends: 4106 [2022-07-20 04:17:41,100 INFO L226 Difference]: Without dead ends: 3827 [2022-07-20 04:17:41,102 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2022-07-20 04:17:41,102 INFO L413 NwaCegarLoop]: 1027 mSDtfsCounter, 1152 mSDsluCounter, 1521 mSDsCounter, 0 mSdLazyCounter, 1879 mSolverCounterSat, 434 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1289 SdHoareTripleChecker+Valid, 2548 SdHoareTripleChecker+Invalid, 2313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 434 IncrementalHoareTripleChecker+Valid, 1879 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-07-20 04:17:41,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1289 Valid, 2548 Invalid, 2313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [434 Valid, 1879 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-20 04:17:41,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3827 states. [2022-07-20 04:17:41,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3827 to 3604. [2022-07-20 04:17:41,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3604 states, 2463 states have (on average 1.1473812423873324) internal successors, (2826), 2542 states have internal predecessors, (2826), 771 states have call successors, (771), 365 states have call predecessors, (771), 365 states have return successors, (774), 745 states have call predecessors, (774), 770 states have call successors, (774) [2022-07-20 04:17:41,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3604 states to 3604 states and 4371 transitions. [2022-07-20 04:17:41,306 INFO L78 Accepts]: Start accepts. Automaton has 3604 states and 4371 transitions. Word has length 243 [2022-07-20 04:17:41,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:17:41,306 INFO L495 AbstractCegarLoop]: Abstraction has 3604 states and 4371 transitions. [2022-07-20 04:17:41,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.0) internal successors, (132), 6 states have internal predecessors, (132), 3 states have call successors, (33), 3 states have call predecessors, (33), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-07-20 04:17:41,307 INFO L276 IsEmpty]: Start isEmpty. Operand 3604 states and 4371 transitions. [2022-07-20 04:17:41,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2022-07-20 04:17:41,311 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:17:41,312 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:17:41,331 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-20 04:17:41,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 04:17:41,524 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ldv_check_for_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:17:41,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:17:41,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1417287744, now seen corresponding path program 1 times [2022-07-20 04:17:41,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:17:41,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [788638021] [2022-07-20 04:17:41,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:17:41,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:17:41,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:17:41,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:17:41,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:17:41,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-20 04:17:41,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 04:17:41,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-20 04:17:41,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:41,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:17:41,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:17:41,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-20 04:17:41,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-20 04:17:41,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:41,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:41,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:41,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-20 04:17:41,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 04:17:41,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 04:17:41,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-20 04:17:41,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:41,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:41,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:41,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 04:17:41,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:41,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:41,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:41,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-20 04:17:41,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:41,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:41,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:41,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-20 04:17:41,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 04:17:41,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-20 04:17:41,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-20 04:17:41,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-20 04:17:41,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:41,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:41,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:41,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-20 04:17:41,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-20 04:17:41,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:41,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:41,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:41,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-20 04:17:41,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-20 04:17:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-20 04:17:41,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-20 04:17:41,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 04:17:41,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:17:41,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:17:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 04:17:41,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-20 04:17:41,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:41,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:41,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:41,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:41,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 04:17:41,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-20 04:17:41,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:41,899 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 828 trivial. 0 not checked. [2022-07-20 04:17:41,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:17:41,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [788638021] [2022-07-20 04:17:41,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [788638021] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 04:17:41,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1530399273] [2022-07-20 04:17:41,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:17:41,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 04:17:41,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 04:17:41,901 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 04:17:41,902 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-20 04:17:42,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:42,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 2187 conjuncts, 21 conjunts are in the unsatisfiable core [2022-07-20 04:17:42,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 04:17:42,847 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 829 trivial. 0 not checked. [2022-07-20 04:17:42,847 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 04:17:43,194 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 832 trivial. 0 not checked. [2022-07-20 04:17:43,194 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1530399273] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-20 04:17:43,194 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-07-20 04:17:43,195 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15, 7] total 23 [2022-07-20 04:17:43,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175024129] [2022-07-20 04:17:43,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:17:43,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-20 04:17:43,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:17:43,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-20 04:17:43,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=454, Unknown=0, NotChecked=0, Total=506 [2022-07-20 04:17:43,198 INFO L87 Difference]: Start difference. First operand 3604 states and 4371 transitions. Second operand has 8 states, 8 states have (on average 17.875) internal successors, (143), 8 states have internal predecessors, (143), 4 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) [2022-07-20 04:17:46,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:17:46,408 INFO L93 Difference]: Finished difference Result 6373 states and 7963 transitions. [2022-07-20 04:17:46,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-20 04:17:46,408 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 17.875) internal successors, (143), 8 states have internal predecessors, (143), 4 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) Word has length 361 [2022-07-20 04:17:46,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:17:46,426 INFO L225 Difference]: With dead ends: 6373 [2022-07-20 04:17:46,426 INFO L226 Difference]: Without dead ends: 6371 [2022-07-20 04:17:46,430 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 849 GetRequests, 818 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=771, Unknown=0, NotChecked=0, Total=870 [2022-07-20 04:17:46,431 INFO L413 NwaCegarLoop]: 1462 mSDtfsCounter, 3346 mSDsluCounter, 2838 mSDsCounter, 0 mSdLazyCounter, 4376 mSolverCounterSat, 2034 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3450 SdHoareTripleChecker+Valid, 4300 SdHoareTripleChecker+Invalid, 6410 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2034 IncrementalHoareTripleChecker+Valid, 4376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-07-20 04:17:46,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3450 Valid, 4300 Invalid, 6410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2034 Valid, 4376 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-20 04:17:46,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6371 states. [2022-07-20 04:17:46,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6371 to 5064. [2022-07-20 04:17:46,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5064 states, 3486 states have (on average 1.1523235800344234) internal successors, (4017), 3581 states have internal predecessors, (4017), 1050 states have call successors, (1050), 523 states have call predecessors, (1050), 523 states have return successors, (1053), 1022 states have call predecessors, (1053), 1049 states have call successors, (1053) [2022-07-20 04:17:46,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5064 states to 5064 states and 6120 transitions. [2022-07-20 04:17:46,812 INFO L78 Accepts]: Start accepts. Automaton has 5064 states and 6120 transitions. Word has length 361 [2022-07-20 04:17:46,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:17:46,813 INFO L495 AbstractCegarLoop]: Abstraction has 5064 states and 6120 transitions. [2022-07-20 04:17:46,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.875) internal successors, (143), 8 states have internal predecessors, (143), 4 states have call successors, (44), 4 states have call predecessors, (44), 4 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) [2022-07-20 04:17:46,813 INFO L276 IsEmpty]: Start isEmpty. Operand 5064 states and 6120 transitions. [2022-07-20 04:17:46,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2022-07-20 04:17:46,820 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:17:46,820 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:17:46,839 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-07-20 04:17:47,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 04:17:47,022 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ldv_check_for_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:17:47,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:17:47,022 INFO L85 PathProgramCache]: Analyzing trace with hash 444150498, now seen corresponding path program 1 times [2022-07-20 04:17:47,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:17:47,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895940818] [2022-07-20 04:17:47,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:17:47,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:17:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:17:47,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:17:47,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:17:47,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-20 04:17:47,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 04:17:47,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-20 04:17:47,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:47,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:17:47,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:17:47,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-20 04:17:47,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-20 04:17:47,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:47,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:47,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:47,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-20 04:17:47,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 04:17:47,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 04:17:47,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 04:17:47,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:47,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:47,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:47,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 04:17:47,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 04:17:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 04:17:47,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-20 04:17:47,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-20 04:17:47,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-20 04:17:47,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-20 04:17:47,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:47,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:47,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:47,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-20 04:17:47,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:47,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:47,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:47,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-20 04:17:47,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:47,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:47,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:47,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-20 04:17:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-20 04:17:47,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-20 04:17:47,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-20 04:17:47,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 04:17:47,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:47,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:47,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-20 04:17:47,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-20 04:17:47,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:47,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:47,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:47,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-20 04:17:47,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-07-20 04:17:47,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-20 04:17:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-20 04:17:47,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 04:17:47,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:17:47,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:17:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 04:17:47,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-20 04:17:47,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:47,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:47,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:47,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:47,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 04:17:47,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-20 04:17:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:47,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1184 trivial. 0 not checked. [2022-07-20 04:17:47,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:17:47,463 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895940818] [2022-07-20 04:17:47,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895940818] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 04:17:47,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [914736218] [2022-07-20 04:17:47,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:17:47,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 04:17:47,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 04:17:47,466 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 04:17:47,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-07-20 04:17:48,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:48,045 INFO L263 TraceCheckSpWp]: Trace formula consists of 2477 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-20 04:17:48,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 04:17:48,094 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 644 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2022-07-20 04:17:48,095 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 04:17:48,095 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [914736218] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:17:48,095 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 04:17:48,095 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15] total 18 [2022-07-20 04:17:48,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254421695] [2022-07-20 04:17:48,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:17:48,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 04:17:48,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:17:48,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 04:17:48,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=270, Unknown=0, NotChecked=0, Total=306 [2022-07-20 04:17:48,097 INFO L87 Difference]: Start difference. First operand 5064 states and 6120 transitions. Second operand has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 3 states have call successors, (54), 2 states have call predecessors, (54), 3 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2022-07-20 04:17:48,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:17:48,480 INFO L93 Difference]: Finished difference Result 7550 states and 9094 transitions. [2022-07-20 04:17:48,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 04:17:48,480 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 3 states have call successors, (54), 2 states have call predecessors, (54), 3 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) Word has length 422 [2022-07-20 04:17:48,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:17:48,498 INFO L225 Difference]: With dead ends: 7550 [2022-07-20 04:17:48,498 INFO L226 Difference]: Without dead ends: 4715 [2022-07-20 04:17:48,505 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 562 GetRequests, 545 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2022-07-20 04:17:48,505 INFO L413 NwaCegarLoop]: 1205 mSDtfsCounter, 21 mSDsluCounter, 3528 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 4733 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 04:17:48,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 4733 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 04:17:48,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4715 states. [2022-07-20 04:17:48,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4715 to 4715. [2022-07-20 04:17:48,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4715 states, 3263 states have (on average 1.1523138216365307) internal successors, (3760), 3344 states have internal predecessors, (3760), 948 states have call successors, (948), 499 states have call predecessors, (948), 499 states have return successors, (951), 928 states have call predecessors, (951), 947 states have call successors, (951) [2022-07-20 04:17:48,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4715 states to 4715 states and 5659 transitions. [2022-07-20 04:17:48,822 INFO L78 Accepts]: Start accepts. Automaton has 4715 states and 5659 transitions. Word has length 422 [2022-07-20 04:17:48,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:17:48,823 INFO L495 AbstractCegarLoop]: Abstraction has 4715 states and 5659 transitions. [2022-07-20 04:17:48,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 35.8) internal successors, (179), 5 states have internal predecessors, (179), 3 states have call successors, (54), 2 states have call predecessors, (54), 3 states have return successors, (52), 3 states have call predecessors, (52), 3 states have call successors, (52) [2022-07-20 04:17:48,823 INFO L276 IsEmpty]: Start isEmpty. Operand 4715 states and 5659 transitions. [2022-07-20 04:17:48,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2022-07-20 04:17:48,830 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:17:48,830 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:17:48,854 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-07-20 04:17:49,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2022-07-20 04:17:49,036 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:17:49,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:17:49,036 INFO L85 PathProgramCache]: Analyzing trace with hash -2127070789, now seen corresponding path program 1 times [2022-07-20 04:17:49,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:17:49,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825270522] [2022-07-20 04:17:49,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:17:49,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:17:49,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:17:49,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:17:49,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:17:49,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-20 04:17:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 04:17:49,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-20 04:17:49,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:49,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:17:49,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:17:49,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-20 04:17:49,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-20 04:17:49,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:49,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:49,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:49,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-20 04:17:49,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 04:17:49,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 04:17:49,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-20 04:17:49,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:49,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:49,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:49,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 04:17:49,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:49,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:49,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:49,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-20 04:17:49,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:49,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:49,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:49,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-20 04:17:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 04:17:49,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-20 04:17:49,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-20 04:17:49,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-20 04:17:49,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:49,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:49,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:49,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-20 04:17:49,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-20 04:17:49,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:49,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:49,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:49,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-20 04:17:49,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-20 04:17:49,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-20 04:17:49,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-20 04:17:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 04:17:49,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:17:49,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:17:49,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 04:17:49,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-20 04:17:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:49,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:49,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:49,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:49,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 04:17:49,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-20 04:17:49,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 04:17:49,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:17:49,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:17:49,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 04:17:49,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-07-20 04:17:49,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:49,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:49,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-20 04:17:49,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-20 04:17:49,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:49,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:49,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-20 04:17:49,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:49,451 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 957 trivial. 0 not checked. [2022-07-20 04:17:49,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:17:49,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825270522] [2022-07-20 04:17:49,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825270522] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 04:17:49,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2018015683] [2022-07-20 04:17:49,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:17:49,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 04:17:49,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 04:17:49,454 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 04:17:49,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-07-20 04:17:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:50,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 2524 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-20 04:17:50,045 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 04:17:50,135 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 844 trivial. 0 not checked. [2022-07-20 04:17:50,135 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 04:17:50,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2018015683] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:17:50,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 04:17:50,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [15] total 17 [2022-07-20 04:17:50,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904518539] [2022-07-20 04:17:50,136 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:17:50,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 04:17:50,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:17:50,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 04:17:50,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2022-07-20 04:17:50,137 INFO L87 Difference]: Start difference. First operand 4715 states and 5659 transitions. Second operand has 4 states, 4 states have (on average 48.5) internal successors, (194), 4 states have internal predecessors, (194), 2 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-07-20 04:17:50,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:17:50,716 INFO L93 Difference]: Finished difference Result 8255 states and 9959 transitions. [2022-07-20 04:17:50,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-20 04:17:50,717 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 48.5) internal successors, (194), 4 states have internal predecessors, (194), 2 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) Word has length 440 [2022-07-20 04:17:50,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:17:50,729 INFO L225 Difference]: With dead ends: 8255 [2022-07-20 04:17:50,730 INFO L226 Difference]: Without dead ends: 5046 [2022-07-20 04:17:50,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 583 GetRequests, 568 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2022-07-20 04:17:50,738 INFO L413 NwaCegarLoop]: 1317 mSDtfsCounter, 116 mSDsluCounter, 2417 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 3734 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 04:17:50,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 3734 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 04:17:50,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5046 states. [2022-07-20 04:17:51,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5046 to 4847. [2022-07-20 04:17:51,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4847 states, 3375 states have (on average 1.157925925925926) internal successors, (3908), 3456 states have internal predecessors, (3908), 968 states have call successors, (968), 499 states have call predecessors, (968), 499 states have return successors, (971), 948 states have call predecessors, (971), 967 states have call successors, (971) [2022-07-20 04:17:51,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4847 states to 4847 states and 5847 transitions. [2022-07-20 04:17:51,084 INFO L78 Accepts]: Start accepts. Automaton has 4847 states and 5847 transitions. Word has length 440 [2022-07-20 04:17:51,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:17:51,084 INFO L495 AbstractCegarLoop]: Abstraction has 4847 states and 5847 transitions. [2022-07-20 04:17:51,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 48.5) internal successors, (194), 4 states have internal predecessors, (194), 2 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 2 states have call predecessors, (54), 2 states have call successors, (54) [2022-07-20 04:17:51,085 INFO L276 IsEmpty]: Start isEmpty. Operand 4847 states and 5847 transitions. [2022-07-20 04:17:51,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2022-07-20 04:17:51,090 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:17:51,090 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:17:51,113 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-07-20 04:17:51,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2022-07-20 04:17:51,304 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:17:51,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:17:51,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1111165305, now seen corresponding path program 1 times [2022-07-20 04:17:51,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:17:51,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634951918] [2022-07-20 04:17:51,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:17:51,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:17:51,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:17:51,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:17:51,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:17:51,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-20 04:17:51,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 04:17:51,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-20 04:17:51,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:51,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:17:51,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:17:51,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-20 04:17:51,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-20 04:17:51,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:51,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:51,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:51,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-20 04:17:51,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 04:17:51,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 04:17:51,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-20 04:17:51,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:51,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:51,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:51,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 04:17:51,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:51,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:51,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:51,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-20 04:17:51,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:51,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:51,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:51,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-20 04:17:51,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 04:17:51,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-20 04:17:51,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-20 04:17:51,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-20 04:17:51,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:51,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:51,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:51,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-20 04:17:51,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-20 04:17:51,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:51,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:51,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:51,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-20 04:17:51,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-20 04:17:51,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-20 04:17:51,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-20 04:17:51,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 04:17:51,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:17:51,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:17:51,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 04:17:51,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-20 04:17:51,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:51,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:51,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:51,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:51,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 04:17:51,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-20 04:17:51,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 04:17:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:17:51,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:17:51,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 04:17:51,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-07-20 04:17:51,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:51,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:51,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-20 04:17:51,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-20 04:17:51,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:51,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:51,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-20 04:17:51,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:51,782 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 957 trivial. 0 not checked. [2022-07-20 04:17:51,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:17:51,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634951918] [2022-07-20 04:17:51,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634951918] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 04:17:51,783 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1853927917] [2022-07-20 04:17:51,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:17:51,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 04:17:51,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 04:17:51,785 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 04:17:51,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-07-20 04:17:52,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:52,389 INFO L263 TraceCheckSpWp]: Trace formula consists of 2519 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-20 04:17:52,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 04:17:52,425 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2022-07-20 04:17:52,425 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 04:17:52,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1853927917] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:17:52,426 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 04:17:52,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [15] total 17 [2022-07-20 04:17:52,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985033488] [2022-07-20 04:17:52,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:17:52,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-20 04:17:52,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:17:52,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-20 04:17:52,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2022-07-20 04:17:52,428 INFO L87 Difference]: Start difference. First operand 4847 states and 5847 transitions. Second operand has 4 states, 4 states have (on average 39.0) internal successors, (156), 4 states have internal predecessors, (156), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2022-07-20 04:17:52,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:17:52,877 INFO L93 Difference]: Finished difference Result 5846 states and 7314 transitions. [2022-07-20 04:17:52,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 04:17:52,878 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 39.0) internal successors, (156), 4 states have internal predecessors, (156), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) Word has length 440 [2022-07-20 04:17:52,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:17:52,892 INFO L225 Difference]: With dead ends: 5846 [2022-07-20 04:17:52,892 INFO L226 Difference]: Without dead ends: 5844 [2022-07-20 04:17:52,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 585 GetRequests, 569 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2022-07-20 04:17:52,896 INFO L413 NwaCegarLoop]: 1531 mSDtfsCounter, 409 mSDsluCounter, 2567 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 410 SdHoareTripleChecker+Valid, 4098 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-20 04:17:52,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [410 Valid, 4098 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-20 04:17:52,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5844 states. [2022-07-20 04:17:53,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5844 to 4855. [2022-07-20 04:17:53,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4855 states, 3383 states have (on average 1.1575524682234704) internal successors, (3916), 3464 states have internal predecessors, (3916), 968 states have call successors, (968), 499 states have call predecessors, (968), 499 states have return successors, (971), 948 states have call predecessors, (971), 967 states have call successors, (971) [2022-07-20 04:17:53,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4855 states to 4855 states and 5855 transitions. [2022-07-20 04:17:53,241 INFO L78 Accepts]: Start accepts. Automaton has 4855 states and 5855 transitions. Word has length 440 [2022-07-20 04:17:53,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:17:53,241 INFO L495 AbstractCegarLoop]: Abstraction has 4855 states and 5855 transitions. [2022-07-20 04:17:53,241 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.0) internal successors, (156), 4 states have internal predecessors, (156), 1 states have call successors, (48), 1 states have call predecessors, (48), 1 states have return successors, (48), 1 states have call predecessors, (48), 1 states have call successors, (48) [2022-07-20 04:17:53,241 INFO L276 IsEmpty]: Start isEmpty. Operand 4855 states and 5855 transitions. [2022-07-20 04:17:53,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2022-07-20 04:17:53,248 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:17:53,248 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:17:53,269 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-07-20 04:17:53,449 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2022-07-20 04:17:53,450 INFO L420 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:17:53,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:17:53,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1111105723, now seen corresponding path program 1 times [2022-07-20 04:17:53,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:17:53,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952155133] [2022-07-20 04:17:53,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:17:53,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:17:53,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:17:53,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:17:53,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:17:53,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-20 04:17:53,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 04:17:53,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-20 04:17:53,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:53,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:17:53,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:17:53,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-20 04:17:53,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-20 04:17:53,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:53,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:53,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:53,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-20 04:17:53,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 04:17:53,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 04:17:53,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-20 04:17:53,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:53,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:53,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:53,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-20 04:17:53,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:53,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:53,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:53,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-20 04:17:53,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:53,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:53,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:53,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-20 04:17:53,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-20 04:17:53,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-20 04:17:53,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-20 04:17:53,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-20 04:17:53,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:53,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:53,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:53,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-20 04:17:53,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-20 04:17:53,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:53,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:53,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:53,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-20 04:17:53,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-20 04:17:53,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-20 04:17:53,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-20 04:17:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 04:17:53,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:17:53,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:17:53,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 04:17:53,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-20 04:17:53,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:53,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:53,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:53,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:53,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 04:17:53,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-20 04:17:53,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 04:17:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:17:53,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:17:53,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 04:17:53,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-07-20 04:17:53,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:53,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:53,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-20 04:17:53,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-20 04:17:53,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:53,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:53,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-20 04:17:53,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:53,941 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 957 trivial. 0 not checked. [2022-07-20 04:17:53,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:17:53,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952155133] [2022-07-20 04:17:53,941 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952155133] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 04:17:53,941 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1650358882] [2022-07-20 04:17:53,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:17:53,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 04:17:53,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 04:17:53,943 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 04:17:53,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-07-20 04:17:54,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:54,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 2518 conjuncts, 14 conjunts are in the unsatisfiable core [2022-07-20 04:17:54,523 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 04:17:55,034 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 845 trivial. 0 not checked. [2022-07-20 04:17:55,035 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 04:17:55,035 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1650358882] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:17:55,035 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-20 04:17:55,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [15] total 19 [2022-07-20 04:17:55,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772751517] [2022-07-20 04:17:55,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:17:55,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-20 04:17:55,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:17:55,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-20 04:17:55,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2022-07-20 04:17:55,036 INFO L87 Difference]: Start difference. First operand 4855 states and 5855 transitions. Second operand has 7 states, 7 states have (on average 28.0) internal successors, (196), 5 states have internal predecessors, (196), 3 states have call successors, (54), 2 states have call predecessors, (54), 3 states have return successors, (54), 4 states have call predecessors, (54), 3 states have call successors, (54) [2022-07-20 04:17:56,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:17:56,025 INFO L93 Difference]: Finished difference Result 9208 states and 11082 transitions. [2022-07-20 04:17:56,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-20 04:17:56,029 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 28.0) internal successors, (196), 5 states have internal predecessors, (196), 3 states have call successors, (54), 2 states have call predecessors, (54), 3 states have return successors, (54), 4 states have call predecessors, (54), 3 states have call successors, (54) Word has length 440 [2022-07-20 04:17:56,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:17:56,044 INFO L225 Difference]: With dead ends: 9208 [2022-07-20 04:17:56,044 INFO L226 Difference]: Without dead ends: 5193 [2022-07-20 04:17:56,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 585 GetRequests, 566 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2022-07-20 04:17:56,055 INFO L413 NwaCegarLoop]: 1311 mSDtfsCounter, 250 mSDsluCounter, 2084 mSDsCounter, 0 mSdLazyCounter, 756 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 3395 SdHoareTripleChecker+Invalid, 759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 756 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-07-20 04:17:56,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 3395 Invalid, 759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 756 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-07-20 04:17:56,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5193 states. [2022-07-20 04:17:56,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5193 to 5190. [2022-07-20 04:17:56,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5190 states, 3599 states have (on average 1.153931647679911) internal successors, (4153), 3690 states have internal predecessors, (4153), 1052 states have call successors, (1052), 534 states have call predecessors, (1052), 534 states have return successors, (1057), 1027 states have call predecessors, (1057), 1051 states have call successors, (1057) [2022-07-20 04:17:56,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5190 states to 5190 states and 6262 transitions. [2022-07-20 04:17:56,536 INFO L78 Accepts]: Start accepts. Automaton has 5190 states and 6262 transitions. Word has length 440 [2022-07-20 04:17:56,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:17:56,537 INFO L495 AbstractCegarLoop]: Abstraction has 5190 states and 6262 transitions. [2022-07-20 04:17:56,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 28.0) internal successors, (196), 5 states have internal predecessors, (196), 3 states have call successors, (54), 2 states have call predecessors, (54), 3 states have return successors, (54), 4 states have call predecessors, (54), 3 states have call successors, (54) [2022-07-20 04:17:56,537 INFO L276 IsEmpty]: Start isEmpty. Operand 5190 states and 6262 transitions. [2022-07-20 04:17:56,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2022-07-20 04:17:56,546 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:17:56,547 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:17:56,569 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-07-20 04:17:56,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable40 [2022-07-20 04:17:56,760 INFO L420 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:17:56,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:17:56,760 INFO L85 PathProgramCache]: Analyzing trace with hash -845113554, now seen corresponding path program 1 times [2022-07-20 04:17:56,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:17:56,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306353823] [2022-07-20 04:17:56,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:17:56,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:17:56,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:56,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:17:56,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:56,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:17:56,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:56,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:17:56,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:56,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-20 04:17:56,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:56,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:56,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:56,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:56,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:56,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:56,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:56,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-20 04:17:56,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:56,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-20 04:17:56,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:56,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 04:17:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:56,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-20 04:17:56,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:56,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:56,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:56,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 04:17:56,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:56,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-20 04:17:56,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:56,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-20 04:17:56,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:56,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-20 04:17:56,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:56,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:56,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:56,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:56,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:56,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:56,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:56,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 04:17:56,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:56,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-20 04:17:56,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:56,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-20 04:17:56,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:56,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-20 04:17:56,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:56,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:56,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:56,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:56,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:56,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:56,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:56,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 04:17:56,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:56,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:56,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:56,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:56,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:56,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:56,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:56,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-20 04:17:56,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:56,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:56,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:56,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:56,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:56,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:56,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:56,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-20 04:17:56,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:56,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-20 04:17:56,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:56,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-20 04:17:56,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:56,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-20 04:17:56,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:56,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-20 04:17:57,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:57,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:57,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:57,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:57,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:57,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:57,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:57,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-20 04:17:57,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:57,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 04:17:57,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:57,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:57,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:57,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:57,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:57,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:17:57,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:57,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-20 04:17:57,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:57,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-20 04:17:57,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:57,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-20 04:17:57,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:57,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-20 04:17:57,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:57,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 04:17:57,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:57,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:17:57,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:57,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:17:57,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:57,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 04:17:57,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:57,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-20 04:17:57,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:57,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:57,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:57,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:57,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:57,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:57,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:57,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:57,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:57,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 04:17:57,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:57,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-07-20 04:17:57,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:57,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 04:17:57,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:57,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:17:57,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:57,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:17:57,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:57,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 04:17:57,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:57,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-20 04:17:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:57,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:57,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:57,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:57,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:57,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-20 04:17:57,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:57,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-20 04:17:57,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:57,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:17:57,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:57,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:17:57,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:57,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2022-07-20 04:17:57,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:17:57,133 INFO L134 CoverageAnalysis]: Checked inductivity of 1232 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1232 trivial. 0 not checked. [2022-07-20 04:17:57,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:17:57,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306353823] [2022-07-20 04:17:57,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306353823] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:17:57,134 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:17:57,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-20 04:17:57,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440759270] [2022-07-20 04:17:57,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:17:57,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-20 04:17:57,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:17:57,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-20 04:17:57,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-07-20 04:17:57,135 INFO L87 Difference]: Start difference. First operand 5190 states and 6262 transitions. Second operand has 10 states, 10 states have (on average 16.2) internal successors, (162), 3 states have internal predecessors, (162), 3 states have call successors, (50), 8 states have call predecessors, (50), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-07-20 04:17:59,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:17:59,870 INFO L93 Difference]: Finished difference Result 9496 states and 11620 transitions. [2022-07-20 04:17:59,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-20 04:17:59,871 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 16.2) internal successors, (162), 3 states have internal predecessors, (162), 3 states have call successors, (50), 8 states have call predecessors, (50), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 470 [2022-07-20 04:17:59,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:17:59,884 INFO L225 Difference]: With dead ends: 9496 [2022-07-20 04:17:59,884 INFO L226 Difference]: Without dead ends: 6147 [2022-07-20 04:17:59,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2022-07-20 04:17:59,890 INFO L413 NwaCegarLoop]: 1299 mSDtfsCounter, 2374 mSDsluCounter, 3996 mSDsCounter, 0 mSdLazyCounter, 2395 mSolverCounterSat, 1950 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2420 SdHoareTripleChecker+Valid, 5295 SdHoareTripleChecker+Invalid, 4345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1950 IncrementalHoareTripleChecker+Valid, 2395 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-07-20 04:17:59,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2420 Valid, 5295 Invalid, 4345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1950 Valid, 2395 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-20 04:17:59,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6147 states. [2022-07-20 04:18:00,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6147 to 5218. [2022-07-20 04:18:00,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5218 states, 3623 states have (on average 1.15622412365443) internal successors, (4189), 3714 states have internal predecessors, (4189), 1056 states have call successors, (1056), 534 states have call predecessors, (1056), 534 states have return successors, (1061), 1031 states have call predecessors, (1061), 1055 states have call successors, (1061) [2022-07-20 04:18:00,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5218 states to 5218 states and 6306 transitions. [2022-07-20 04:18:00,260 INFO L78 Accepts]: Start accepts. Automaton has 5218 states and 6306 transitions. Word has length 470 [2022-07-20 04:18:00,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:18:00,260 INFO L495 AbstractCegarLoop]: Abstraction has 5218 states and 6306 transitions. [2022-07-20 04:18:00,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 16.2) internal successors, (162), 3 states have internal predecessors, (162), 3 states have call successors, (50), 8 states have call predecessors, (50), 1 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2022-07-20 04:18:00,261 INFO L276 IsEmpty]: Start isEmpty. Operand 5218 states and 6306 transitions. [2022-07-20 04:18:00,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 478 [2022-07-20 04:18:00,268 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:18:00,268 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:18:00,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-07-20 04:18:00,269 INFO L420 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:18:00,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:18:00,269 INFO L85 PathProgramCache]: Analyzing trace with hash -510338210, now seen corresponding path program 1 times [2022-07-20 04:18:00,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:18:00,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [601231319] [2022-07-20 04:18:00,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:18:00,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:18:00,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:18:00,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:18:00,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:18:00,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-20 04:18:00,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:00,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:00,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:00,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-20 04:18:00,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-20 04:18:00,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 04:18:00,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-20 04:18:00,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:00,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 04:18:00,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-20 04:18:00,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-20 04:18:00,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-20 04:18:00,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:00,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:00,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:00,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 04:18:00,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-20 04:18:00,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-20 04:18:00,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-20 04:18:00,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:00,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:00,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:00,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 04:18:00,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:00,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:00,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:00,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-20 04:18:00,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:00,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:00,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:00,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-20 04:18:00,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-20 04:18:00,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-20 04:18:00,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-20 04:18:00,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-20 04:18:00,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:00,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:00,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:00,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-20 04:18:00,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 04:18:00,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:00,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:00,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:00,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-20 04:18:00,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-20 04:18:00,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-20 04:18:00,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-20 04:18:00,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 04:18:00,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:18:00,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:18:00,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 04:18:00,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-20 04:18:00,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-20 04:18:00,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:00,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:00,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:00,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:00,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 04:18:00,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-20 04:18:00,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 04:18:00,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:18:00,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:18:00,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 04:18:00,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-20 04:18:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:00,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-20 04:18:00,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-07-20 04:18:00,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:00,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:00,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-07-20 04:18:00,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:00,686 INFO L134 CoverageAnalysis]: Checked inductivity of 1232 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1232 trivial. 0 not checked. [2022-07-20 04:18:00,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:18:00,687 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [601231319] [2022-07-20 04:18:00,687 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [601231319] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:18:00,687 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:18:00,687 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-20 04:18:00,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539188924] [2022-07-20 04:18:00,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:18:00,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-20 04:18:00,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:18:00,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-20 04:18:00,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2022-07-20 04:18:00,689 INFO L87 Difference]: Start difference. First operand 5218 states and 6306 transitions. Second operand has 13 states, 13 states have (on average 12.846153846153847) internal successors, (167), 5 states have internal predecessors, (167), 2 states have call successors, (51), 8 states have call predecessors, (51), 2 states have return successors, (51), 3 states have call predecessors, (51), 2 states have call successors, (51) [2022-07-20 04:18:04,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:18:04,461 INFO L93 Difference]: Finished difference Result 9645 states and 11701 transitions. [2022-07-20 04:18:04,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-20 04:18:04,462 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 12.846153846153847) internal successors, (167), 5 states have internal predecessors, (167), 2 states have call successors, (51), 8 states have call predecessors, (51), 2 states have return successors, (51), 3 states have call predecessors, (51), 2 states have call successors, (51) Word has length 477 [2022-07-20 04:18:04,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:18:04,478 INFO L225 Difference]: With dead ends: 9645 [2022-07-20 04:18:04,478 INFO L226 Difference]: Without dead ends: 6268 [2022-07-20 04:18:04,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=141, Invalid=459, Unknown=0, NotChecked=0, Total=600 [2022-07-20 04:18:04,491 INFO L413 NwaCegarLoop]: 1345 mSDtfsCounter, 4028 mSDsluCounter, 5809 mSDsCounter, 0 mSdLazyCounter, 4527 mSolverCounterSat, 2534 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4142 SdHoareTripleChecker+Valid, 7154 SdHoareTripleChecker+Invalid, 7061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2534 IncrementalHoareTripleChecker+Valid, 4527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-07-20 04:18:04,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4142 Valid, 7154 Invalid, 7061 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2534 Valid, 4527 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-07-20 04:18:04,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6268 states. [2022-07-20 04:18:04,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6268 to 5355. [2022-07-20 04:18:04,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5355 states, 3717 states have (on average 1.1501210653753027) internal successors, (4275), 3805 states have internal predecessors, (4275), 1068 states have call successors, (1068), 566 states have call predecessors, (1068), 566 states have return successors, (1073), 1043 states have call predecessors, (1073), 1067 states have call successors, (1073) [2022-07-20 04:18:04,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5355 states to 5355 states and 6416 transitions. [2022-07-20 04:18:04,906 INFO L78 Accepts]: Start accepts. Automaton has 5355 states and 6416 transitions. Word has length 477 [2022-07-20 04:18:04,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:18:04,906 INFO L495 AbstractCegarLoop]: Abstraction has 5355 states and 6416 transitions. [2022-07-20 04:18:04,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 12.846153846153847) internal successors, (167), 5 states have internal predecessors, (167), 2 states have call successors, (51), 8 states have call predecessors, (51), 2 states have return successors, (51), 3 states have call predecessors, (51), 2 states have call successors, (51) [2022-07-20 04:18:04,907 INFO L276 IsEmpty]: Start isEmpty. Operand 5355 states and 6416 transitions. [2022-07-20 04:18:04,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2022-07-20 04:18:04,915 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:18:04,915 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:18:04,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-07-20 04:18:04,915 INFO L420 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:18:04,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:18:04,916 INFO L85 PathProgramCache]: Analyzing trace with hash -461320862, now seen corresponding path program 1 times [2022-07-20 04:18:04,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:18:04,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096697483] [2022-07-20 04:18:04,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:18:04,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:18:04,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:18:05,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:18:05,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:18:05,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-20 04:18:05,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:05,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:05,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:05,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-20 04:18:05,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-20 04:18:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 04:18:05,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-20 04:18:05,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:05,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 04:18:05,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-20 04:18:05,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-20 04:18:05,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-20 04:18:05,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:05,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:05,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:05,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 04:18:05,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-20 04:18:05,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-20 04:18:05,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-20 04:18:05,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:05,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:05,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:05,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 04:18:05,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:05,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:05,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:05,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-20 04:18:05,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:05,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:05,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:05,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-20 04:18:05,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-20 04:18:05,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-20 04:18:05,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-20 04:18:05,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-20 04:18:05,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:05,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:05,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-20 04:18:05,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 04:18:05,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:05,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:05,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:05,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-20 04:18:05,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-20 04:18:05,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-20 04:18:05,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-20 04:18:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 04:18:05,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:18:05,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:18:05,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 04:18:05,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-20 04:18:05,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-20 04:18:05,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:05,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:05,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:05,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:05,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 04:18:05,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-20 04:18:05,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 04:18:05,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:18:05,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:18:05,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 04:18:05,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-20 04:18:05,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:05,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:05,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-20 04:18:05,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-07-20 04:18:05,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:05,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:05,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-07-20 04:18:05,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:05,379 INFO L134 CoverageAnalysis]: Checked inductivity of 1232 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1232 trivial. 0 not checked. [2022-07-20 04:18:05,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:18:05,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096697483] [2022-07-20 04:18:05,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096697483] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:18:05,380 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:18:05,380 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-20 04:18:05,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206317493] [2022-07-20 04:18:05,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:18:05,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-20 04:18:05,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:18:05,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-20 04:18:05,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-07-20 04:18:05,381 INFO L87 Difference]: Start difference. First operand 5355 states and 6416 transitions. Second operand has 10 states, 10 states have (on average 17.1) internal successors, (171), 3 states have internal predecessors, (171), 2 states have call successors, (51), 8 states have call predecessors, (51), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-07-20 04:18:07,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:18:07,427 INFO L93 Difference]: Finished difference Result 9319 states and 11125 transitions. [2022-07-20 04:18:07,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-20 04:18:07,428 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 3 states have internal predecessors, (171), 2 states have call successors, (51), 8 states have call predecessors, (51), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) Word has length 481 [2022-07-20 04:18:07,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:18:07,454 INFO L225 Difference]: With dead ends: 9319 [2022-07-20 04:18:07,454 INFO L226 Difference]: Without dead ends: 5660 [2022-07-20 04:18:07,463 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2022-07-20 04:18:07,463 INFO L413 NwaCegarLoop]: 1128 mSDtfsCounter, 3474 mSDsluCounter, 2388 mSDsCounter, 0 mSdLazyCounter, 1180 mSolverCounterSat, 2349 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3597 SdHoareTripleChecker+Valid, 3516 SdHoareTripleChecker+Invalid, 3529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2349 IncrementalHoareTripleChecker+Valid, 1180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2022-07-20 04:18:07,463 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3597 Valid, 3516 Invalid, 3529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2349 Valid, 1180 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-20 04:18:07,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5660 states. [2022-07-20 04:18:07,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5660 to 5345. [2022-07-20 04:18:07,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5345 states, 3708 states have (on average 1.1483279395900756) internal successors, (4258), 3795 states have internal predecessors, (4258), 1068 states have call successors, (1068), 566 states have call predecessors, (1068), 566 states have return successors, (1073), 1043 states have call predecessors, (1073), 1067 states have call successors, (1073) [2022-07-20 04:18:07,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5345 states to 5345 states and 6399 transitions. [2022-07-20 04:18:07,934 INFO L78 Accepts]: Start accepts. Automaton has 5345 states and 6399 transitions. Word has length 481 [2022-07-20 04:18:07,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:18:07,935 INFO L495 AbstractCegarLoop]: Abstraction has 5345 states and 6399 transitions. [2022-07-20 04:18:07,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 17.1) internal successors, (171), 3 states have internal predecessors, (171), 2 states have call successors, (51), 8 states have call predecessors, (51), 1 states have return successors, (51), 2 states have call predecessors, (51), 2 states have call successors, (51) [2022-07-20 04:18:07,935 INFO L276 IsEmpty]: Start isEmpty. Operand 5345 states and 6399 transitions. [2022-07-20 04:18:07,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2022-07-20 04:18:07,942 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:18:07,943 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 14, 14, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:18:07,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-07-20 04:18:07,943 INFO L420 AbstractCegarLoop]: === Iteration 45 === Targeting ldv_check_for_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:18:07,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:18:07,943 INFO L85 PathProgramCache]: Analyzing trace with hash 935171739, now seen corresponding path program 1 times [2022-07-20 04:18:07,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:18:07,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316040234] [2022-07-20 04:18:07,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:18:07,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:18:07,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:18:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:18:08,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:18:08,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-20 04:18:08,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 04:18:08,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-20 04:18:08,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:08,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:18:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:18:08,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-20 04:18:08,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-20 04:18:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:08,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:08,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:08,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-20 04:18:08,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 04:18:08,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 04:18:08,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 04:18:08,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:08,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:08,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:08,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 04:18:08,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 04:18:08,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 04:18:08,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-20 04:18:08,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-20 04:18:08,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-20 04:18:08,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-20 04:18:08,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:08,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:08,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:08,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 04:18:08,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-20 04:18:08,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-20 04:18:08,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-20 04:18:08,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-20 04:18:08,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 04:18:08,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:08,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:08,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:08,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 04:18:08,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:08,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:08,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:08,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-20 04:18:08,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:08,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:08,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:08,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-20 04:18:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-20 04:18:08,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-20 04:18:08,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-07-20 04:18:08,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-20 04:18:08,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:08,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:08,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:08,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-20 04:18:08,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-20 04:18:08,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:08,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:08,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:08,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-20 04:18:08,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-07-20 04:18:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:08,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:08,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:08,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-20 04:18:08,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-20 04:18:08,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:08,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:08,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:08,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2022-07-20 04:18:08,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:08,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:08,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:08,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-07-20 04:18:08,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:08,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 04:18:08,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 04:18:08,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-20 04:18:08,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2022-07-20 04:18:08,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:08,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 04:18:08,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 04:18:08,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-20 04:18:08,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-07-20 04:18:08,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:08,317 INFO L134 CoverageAnalysis]: Checked inductivity of 2769 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2769 trivial. 0 not checked. [2022-07-20 04:18:08,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:18:08,317 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316040234] [2022-07-20 04:18:08,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316040234] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:18:08,318 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:18:08,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-20 04:18:08,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218301344] [2022-07-20 04:18:08,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:18:08,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-20 04:18:08,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:18:08,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-20 04:18:08,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2022-07-20 04:18:08,319 INFO L87 Difference]: Start difference. First operand 5345 states and 6399 transitions. Second operand has 13 states, 13 states have (on average 11.153846153846153) internal successors, (145), 5 states have internal predecessors, (145), 3 states have call successors, (54), 9 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-07-20 04:18:11,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:18:11,963 INFO L93 Difference]: Finished difference Result 10382 states and 12465 transitions. [2022-07-20 04:18:11,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-20 04:18:11,963 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 11.153846153846153) internal successors, (145), 5 states have internal predecessors, (145), 3 states have call successors, (54), 9 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) Word has length 505 [2022-07-20 04:18:12,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:18:12,020 INFO L225 Difference]: With dead ends: 10382 [2022-07-20 04:18:12,020 INFO L226 Difference]: Without dead ends: 5850 [2022-07-20 04:18:12,029 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=170, Invalid=532, Unknown=0, NotChecked=0, Total=702 [2022-07-20 04:18:12,030 INFO L413 NwaCegarLoop]: 1105 mSDtfsCounter, 2230 mSDsluCounter, 4936 mSDsCounter, 0 mSdLazyCounter, 4246 mSolverCounterSat, 1941 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2230 SdHoareTripleChecker+Valid, 6041 SdHoareTripleChecker+Invalid, 6187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1941 IncrementalHoareTripleChecker+Valid, 4246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-20 04:18:12,030 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2230 Valid, 6041 Invalid, 6187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1941 Valid, 4246 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-07-20 04:18:12,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5850 states. [2022-07-20 04:18:12,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5850 to 5437. [2022-07-20 04:18:12,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5437 states, 3781 states have (on average 1.1454641629198625) internal successors, (4331), 3869 states have internal predecessors, (4331), 1068 states have call successors, (1068), 566 states have call predecessors, (1068), 585 states have return successors, (1093), 1061 states have call predecessors, (1093), 1067 states have call successors, (1093) [2022-07-20 04:18:12,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5437 states to 5437 states and 6492 transitions. [2022-07-20 04:18:12,546 INFO L78 Accepts]: Start accepts. Automaton has 5437 states and 6492 transitions. Word has length 505 [2022-07-20 04:18:12,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:18:12,547 INFO L495 AbstractCegarLoop]: Abstraction has 5437 states and 6492 transitions. [2022-07-20 04:18:12,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 11.153846153846153) internal successors, (145), 5 states have internal predecessors, (145), 3 states have call successors, (54), 9 states have call predecessors, (54), 2 states have return successors, (52), 2 states have call predecessors, (52), 2 states have call successors, (52) [2022-07-20 04:18:12,547 INFO L276 IsEmpty]: Start isEmpty. Operand 5437 states and 6492 transitions. [2022-07-20 04:18:12,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2022-07-20 04:18:12,555 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:18:12,556 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 14, 14, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:18:12,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-07-20 04:18:12,556 INFO L420 AbstractCegarLoop]: === Iteration 46 === Targeting ldv_check_for_read_sectionErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:18:12,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:18:12,556 INFO L85 PathProgramCache]: Analyzing trace with hash 542144729, now seen corresponding path program 1 times [2022-07-20 04:18:12,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:18:12,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837414675] [2022-07-20 04:18:12,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:18:12,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:18:12,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:18:12,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:18:12,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:18:12,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-20 04:18:12,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 04:18:12,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-20 04:18:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:12,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:18:12,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:18:12,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-20 04:18:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-20 04:18:12,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:12,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:12,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:12,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-20 04:18:12,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 04:18:12,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 04:18:12,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 04:18:12,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:12,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:12,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:12,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 04:18:12,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 04:18:12,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 04:18:12,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-20 04:18:12,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-20 04:18:12,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-20 04:18:12,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-20 04:18:12,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:12,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:12,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:12,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 04:18:12,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-20 04:18:12,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-20 04:18:12,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-20 04:18:12,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-20 04:18:12,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 04:18:12,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:12,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:12,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 04:18:12,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:12,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:12,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:12,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-20 04:18:12,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:12,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:12,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:12,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-20 04:18:12,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-20 04:18:12,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-20 04:18:12,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-07-20 04:18:12,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-20 04:18:12,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:12,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:12,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:12,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-20 04:18:12,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-20 04:18:12,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:12,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:12,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:12,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-20 04:18:12,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-07-20 04:18:12,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:12,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:12,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:12,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-20 04:18:12,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-20 04:18:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:12,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:12,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:12,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2022-07-20 04:18:12,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:12,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:12,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:12,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-07-20 04:18:12,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:12,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:13,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:13,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 04:18:13,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:13,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 04:18:13,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:13,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-20 04:18:13,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:13,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2022-07-20 04:18:13,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:13,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:13,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:13,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-20 04:18:13,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:13,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-20 04:18:13,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:13,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-20 04:18:13,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:13,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-07-20 04:18:13,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:13,039 INFO L134 CoverageAnalysis]: Checked inductivity of 2769 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2763 trivial. 0 not checked. [2022-07-20 04:18:13,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:18:13,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837414675] [2022-07-20 04:18:13,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837414675] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 04:18:13,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [432959853] [2022-07-20 04:18:13,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:18:13,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 04:18:13,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 04:18:13,041 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 04:18:13,043 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-07-20 04:18:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:13,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 2668 conjuncts, 17 conjunts are in the unsatisfiable core [2022-07-20 04:18:13,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 04:18:14,192 INFO L134 CoverageAnalysis]: Checked inductivity of 2769 backedges. 0 proven. 533 refuted. 0 times theorem prover too weak. 2236 trivial. 0 not checked. [2022-07-20 04:18:14,193 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 04:18:14,705 INFO L134 CoverageAnalysis]: Checked inductivity of 2769 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2763 trivial. 0 not checked. [2022-07-20 04:18:14,705 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [432959853] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 04:18:14,705 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-20 04:18:14,705 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 7, 9] total 20 [2022-07-20 04:18:14,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370694154] [2022-07-20 04:18:14,705 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-20 04:18:14,706 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-07-20 04:18:14,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:18:14,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-07-20 04:18:14,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2022-07-20 04:18:14,707 INFO L87 Difference]: Start difference. First operand 5437 states and 6492 transitions. Second operand has 20 states, 20 states have (on average 11.25) internal successors, (225), 13 states have internal predecessors, (225), 4 states have call successors, (135), 12 states have call predecessors, (135), 8 states have return successors, (112), 3 states have call predecessors, (112), 4 states have call successors, (112) [2022-07-20 04:18:18,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:18:18,330 INFO L93 Difference]: Finished difference Result 5814 states and 6984 transitions. [2022-07-20 04:18:18,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-20 04:18:18,330 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 11.25) internal successors, (225), 13 states have internal predecessors, (225), 4 states have call successors, (135), 12 states have call predecessors, (135), 8 states have return successors, (112), 3 states have call predecessors, (112), 4 states have call successors, (112) Word has length 505 [2022-07-20 04:18:18,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:18:18,343 INFO L225 Difference]: With dead ends: 5814 [2022-07-20 04:18:18,343 INFO L226 Difference]: Without dead ends: 5812 [2022-07-20 04:18:18,345 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1206 GetRequests, 1167 SyntacticMatches, 6 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=268, Invalid=922, Unknown=0, NotChecked=0, Total=1190 [2022-07-20 04:18:18,346 INFO L413 NwaCegarLoop]: 1029 mSDtfsCounter, 4777 mSDsluCounter, 5393 mSDsCounter, 0 mSdLazyCounter, 6624 mSolverCounterSat, 3211 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4897 SdHoareTripleChecker+Valid, 6422 SdHoareTripleChecker+Invalid, 9835 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3211 IncrementalHoareTripleChecker+Valid, 6624 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-07-20 04:18:18,346 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4897 Valid, 6422 Invalid, 9835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3211 Valid, 6624 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-07-20 04:18:18,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5812 states. [2022-07-20 04:18:18,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5812 to 4421. [2022-07-20 04:18:18,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4421 states, 3067 states have (on average 1.1415063580045648) internal successors, (3501), 3144 states have internal predecessors, (3501), 885 states have call successors, (885), 453 states have call predecessors, (885), 467 states have return successors, (905), 874 states have call predecessors, (905), 884 states have call successors, (905) [2022-07-20 04:18:18,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4421 states to 4421 states and 5291 transitions. [2022-07-20 04:18:18,726 INFO L78 Accepts]: Start accepts. Automaton has 4421 states and 5291 transitions. Word has length 505 [2022-07-20 04:18:18,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:18:18,727 INFO L495 AbstractCegarLoop]: Abstraction has 4421 states and 5291 transitions. [2022-07-20 04:18:18,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 11.25) internal successors, (225), 13 states have internal predecessors, (225), 4 states have call successors, (135), 12 states have call predecessors, (135), 8 states have return successors, (112), 3 states have call predecessors, (112), 4 states have call successors, (112) [2022-07-20 04:18:18,727 INFO L276 IsEmpty]: Start isEmpty. Operand 4421 states and 5291 transitions. [2022-07-20 04:18:18,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 539 [2022-07-20 04:18:18,734 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:18:18,734 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 14, 14, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:18:18,756 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-07-20 04:18:18,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2022-07-20 04:18:18,956 INFO L420 AbstractCegarLoop]: === Iteration 47 === Targeting ldv_linux_kernel_rcu_update_lock_bh_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:18:18,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:18:18,957 INFO L85 PathProgramCache]: Analyzing trace with hash 610364250, now seen corresponding path program 1 times [2022-07-20 04:18:18,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:18:18,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547636368] [2022-07-20 04:18:18,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:18:18,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:18:18,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:18:19,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:18:19,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:18:19,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-20 04:18:19,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 04:18:19,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-20 04:18:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:19,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:18:19,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:18:19,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-20 04:18:19,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-20 04:18:19,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:19,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:19,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:19,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-20 04:18:19,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 04:18:19,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 04:18:19,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 04:18:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:19,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:19,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 04:18:19,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 04:18:19,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-20 04:18:19,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-20 04:18:19,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-20 04:18:19,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-20 04:18:19,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-20 04:18:19,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:19,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:19,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:19,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-20 04:18:19,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-20 04:18:19,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-20 04:18:19,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-20 04:18:19,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-20 04:18:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-20 04:18:19,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:19,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:19,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-20 04:18:19,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:19,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:19,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:19,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-20 04:18:19,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:19,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:19,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:19,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-20 04:18:19,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-20 04:18:19,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-20 04:18:19,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-07-20 04:18:19,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-20 04:18:19,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:19,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:19,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:19,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-20 04:18:19,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-20 04:18:19,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:19,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:19,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:19,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-20 04:18:19,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-07-20 04:18:19,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:19,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:19,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:19,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-20 04:18:19,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-20 04:18:19,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:19,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:19,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:19,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2022-07-20 04:18:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:19,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:19,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:19,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2022-07-20 04:18:19,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-07-20 04:18:19,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-07-20 04:18:19,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2022-07-20 04:18:19,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2022-07-20 04:18:19,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-07-20 04:18:19,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2022-07-20 04:18:19,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2022-07-20 04:18:19,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-07-20 04:18:19,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-07-20 04:18:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2022-07-20 04:18:19,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-07-20 04:18:19,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2022-07-20 04:18:19,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:19,483 INFO L134 CoverageAnalysis]: Checked inductivity of 2533 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2527 trivial. 0 not checked. [2022-07-20 04:18:19,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:18:19,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547636368] [2022-07-20 04:18:19,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547636368] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 04:18:19,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [24530056] [2022-07-20 04:18:19,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:18:19,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 04:18:19,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 04:18:19,485 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 04:18:19,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-07-20 04:18:20,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:20,122 INFO L263 TraceCheckSpWp]: Trace formula consists of 2656 conjuncts, 17 conjunts are in the unsatisfiable core [2022-07-20 04:18:20,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 04:18:20,669 INFO L134 CoverageAnalysis]: Checked inductivity of 2533 backedges. 0 proven. 509 refuted. 0 times theorem prover too weak. 2024 trivial. 0 not checked. [2022-07-20 04:18:20,670 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 04:18:21,084 INFO L134 CoverageAnalysis]: Checked inductivity of 2533 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2527 trivial. 0 not checked. [2022-07-20 04:18:21,084 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [24530056] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-20 04:18:21,084 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-20 04:18:21,084 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7, 9] total 18 [2022-07-20 04:18:21,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394717081] [2022-07-20 04:18:21,085 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-20 04:18:21,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-07-20 04:18:21,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:18:21,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-07-20 04:18:21,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2022-07-20 04:18:21,087 INFO L87 Difference]: Start difference. First operand 4421 states and 5291 transitions. Second operand has 18 states, 18 states have (on average 15.61111111111111) internal successors, (281), 13 states have internal predecessors, (281), 3 states have call successors, (131), 10 states have call predecessors, (131), 8 states have return successors, (114), 3 states have call predecessors, (114), 3 states have call successors, (114) [2022-07-20 04:18:24,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:18:24,032 INFO L93 Difference]: Finished difference Result 4640 states and 5575 transitions. [2022-07-20 04:18:24,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-20 04:18:24,033 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 15.61111111111111) internal successors, (281), 13 states have internal predecessors, (281), 3 states have call successors, (131), 10 states have call predecessors, (131), 8 states have return successors, (114), 3 states have call predecessors, (114), 3 states have call successors, (114) Word has length 538 [2022-07-20 04:18:24,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:18:24,045 INFO L225 Difference]: With dead ends: 4640 [2022-07-20 04:18:24,045 INFO L226 Difference]: Without dead ends: 4180 [2022-07-20 04:18:24,048 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1268 GetRequests, 1237 SyntacticMatches, 6 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2022-07-20 04:18:24,052 INFO L413 NwaCegarLoop]: 1061 mSDtfsCounter, 4559 mSDsluCounter, 4306 mSDsCounter, 0 mSdLazyCounter, 5995 mSolverCounterSat, 2844 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4664 SdHoareTripleChecker+Valid, 5367 SdHoareTripleChecker+Invalid, 8839 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2844 IncrementalHoareTripleChecker+Valid, 5995 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2022-07-20 04:18:24,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4664 Valid, 5367 Invalid, 8839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2844 Valid, 5995 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2022-07-20 04:18:24,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4180 states. [2022-07-20 04:18:24,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4180 to 3988. [2022-07-20 04:18:24,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3988 states, 2775 states have (on average 1.144864864864865) internal successors, (3177), 2841 states have internal predecessors, (3177), 789 states have call successors, (789), 410 states have call predecessors, (789), 423 states have return successors, (808), 783 states have call predecessors, (808), 788 states have call successors, (808) [2022-07-20 04:18:24,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3988 states to 3988 states and 4774 transitions. [2022-07-20 04:18:24,427 INFO L78 Accepts]: Start accepts. Automaton has 3988 states and 4774 transitions. Word has length 538 [2022-07-20 04:18:24,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:18:24,427 INFO L495 AbstractCegarLoop]: Abstraction has 3988 states and 4774 transitions. [2022-07-20 04:18:24,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 15.61111111111111) internal successors, (281), 13 states have internal predecessors, (281), 3 states have call successors, (131), 10 states have call predecessors, (131), 8 states have return successors, (114), 3 states have call predecessors, (114), 3 states have call successors, (114) [2022-07-20 04:18:24,428 INFO L276 IsEmpty]: Start isEmpty. Operand 3988 states and 4774 transitions. [2022-07-20 04:18:24,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 723 [2022-07-20 04:18:24,438 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:18:24,438 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 14, 14, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:18:24,461 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-07-20 04:18:24,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2022-07-20 04:18:24,662 INFO L420 AbstractCegarLoop]: === Iteration 48 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:18:24,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:18:24,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1365941636, now seen corresponding path program 1 times [2022-07-20 04:18:24,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:18:24,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274411567] [2022-07-20 04:18:24,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:18:24,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:18:24,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:24,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:18:24,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:24,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:18:24,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:24,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:18:24,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:24,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-20 04:18:24,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:24,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:24,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:24,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:24,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:24,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:24,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:24,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-20 04:18:24,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:24,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-20 04:18:24,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:24,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 04:18:24,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:24,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-20 04:18:24,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:24,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:24,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:24,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 04:18:24,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:24,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-20 04:18:24,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:24,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-20 04:18:24,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:24,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-20 04:18:24,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:24,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:24,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:24,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:24,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:24,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:24,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 04:18:24,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:24,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-20 04:18:24,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:24,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-20 04:18:24,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:24,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-20 04:18:24,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:24,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:24,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:24,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:24,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:24,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:24,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 04:18:24,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:24,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:24,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:24,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:24,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:24,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:24,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:24,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-20 04:18:24,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:24,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:24,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:24,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:24,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:24,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:24,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:24,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-20 04:18:24,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:24,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-20 04:18:24,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:24,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-20 04:18:24,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:24,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-20 04:18:24,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:24,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-20 04:18:24,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:24,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:24,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:24,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:24,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:24,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:24,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:24,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-20 04:18:24,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:24,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 04:18:24,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:24,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:24,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:24,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:24,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:24,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:24,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-20 04:18:24,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:24,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-20 04:18:24,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-20 04:18:25,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-20 04:18:25,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 04:18:25,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:18:25,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:18:25,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 04:18:25,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-20 04:18:25,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-20 04:18:25,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:25,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:25,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:25,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:25,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 04:18:25,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-20 04:18:25,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 04:18:25,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:18:25,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:18:25,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 04:18:25,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-20 04:18:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:25,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:25,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-20 04:18:25,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-07-20 04:18:25,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:25,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:25,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-07-20 04:18:25,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2022-07-20 04:18:25,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:25,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2022-07-20 04:18:25,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-07-20 04:18:25,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-07-20 04:18:25,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:25,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:25,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-20 04:18:25,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-07-20 04:18:25,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2022-07-20 04:18:25,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2022-07-20 04:18:25,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:25,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:25,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:25,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2022-07-20 04:18:25,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2022-07-20 04:18:25,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:25,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:25,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:25,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2022-07-20 04:18:25,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:25,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:25,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 645 [2022-07-20 04:18:25,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 649 [2022-07-20 04:18:25,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 654 [2022-07-20 04:18:25,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2022-07-20 04:18:25,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 668 [2022-07-20 04:18:25,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 674 [2022-07-20 04:18:25,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 680 [2022-07-20 04:18:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 686 [2022-07-20 04:18:25,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 692 [2022-07-20 04:18:25,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 698 [2022-07-20 04:18:25,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 704 [2022-07-20 04:18:25,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 710 [2022-07-20 04:18:25,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:25,315 INFO L134 CoverageAnalysis]: Checked inductivity of 2299 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2296 trivial. 0 not checked. [2022-07-20 04:18:25,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:18:25,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274411567] [2022-07-20 04:18:25,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274411567] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:18:25,316 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:18:25,316 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-20 04:18:25,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550746159] [2022-07-20 04:18:25,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:18:25,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-20 04:18:25,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:18:25,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-20 04:18:25,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-07-20 04:18:25,318 INFO L87 Difference]: Start difference. First operand 3988 states and 4774 transitions. Second operand has 11 states, 11 states have (on average 26.545454545454547) internal successors, (292), 3 states have internal predecessors, (292), 2 states have call successors, (78), 10 states have call predecessors, (78), 1 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) [2022-07-20 04:18:27,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:18:27,971 INFO L93 Difference]: Finished difference Result 7157 states and 8710 transitions. [2022-07-20 04:18:27,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-20 04:18:27,972 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 26.545454545454547) internal successors, (292), 3 states have internal predecessors, (292), 2 states have call successors, (78), 10 states have call predecessors, (78), 1 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) Word has length 722 [2022-07-20 04:18:27,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:18:27,986 INFO L225 Difference]: With dead ends: 7157 [2022-07-20 04:18:27,986 INFO L226 Difference]: Without dead ends: 4761 [2022-07-20 04:18:27,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 218 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=112, Invalid=268, Unknown=0, NotChecked=0, Total=380 [2022-07-20 04:18:27,994 INFO L413 NwaCegarLoop]: 1367 mSDtfsCounter, 2719 mSDsluCounter, 3919 mSDsCounter, 0 mSdLazyCounter, 2217 mSolverCounterSat, 2265 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2781 SdHoareTripleChecker+Valid, 5286 SdHoareTripleChecker+Invalid, 4482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2265 IncrementalHoareTripleChecker+Valid, 2217 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2022-07-20 04:18:27,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2781 Valid, 5286 Invalid, 4482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2265 Valid, 2217 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-20 04:18:27,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4761 states. [2022-07-20 04:18:28,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4761 to 3991. [2022-07-20 04:18:28,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3991 states, 2778 states have (on average 1.144708423326134) internal successors, (3180), 2844 states have internal predecessors, (3180), 789 states have call successors, (789), 410 states have call predecessors, (789), 423 states have return successors, (808), 783 states have call predecessors, (808), 788 states have call successors, (808) [2022-07-20 04:18:28,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3991 states to 3991 states and 4777 transitions. [2022-07-20 04:18:28,393 INFO L78 Accepts]: Start accepts. Automaton has 3991 states and 4777 transitions. Word has length 722 [2022-07-20 04:18:28,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:18:28,394 INFO L495 AbstractCegarLoop]: Abstraction has 3991 states and 4777 transitions. [2022-07-20 04:18:28,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 26.545454545454547) internal successors, (292), 3 states have internal predecessors, (292), 2 states have call successors, (78), 10 states have call predecessors, (78), 1 states have return successors, (77), 2 states have call predecessors, (77), 2 states have call successors, (77) [2022-07-20 04:18:28,395 INFO L276 IsEmpty]: Start isEmpty. Operand 3991 states and 4777 transitions. [2022-07-20 04:18:28,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 723 [2022-07-20 04:18:28,405 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:18:28,405 INFO L195 NwaCegarLoop]: trace histogram [27, 27, 27, 14, 14, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:18:28,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-07-20 04:18:28,406 INFO L420 AbstractCegarLoop]: === Iteration 49 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:18:28,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:18:28,406 INFO L85 PathProgramCache]: Analyzing trace with hash -1422806982, now seen corresponding path program 1 times [2022-07-20 04:18:28,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:18:28,406 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500030558] [2022-07-20 04:18:28,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:18:28,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:18:28,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:18:28,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:18:28,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:18:28,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-20 04:18:28,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:28,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:28,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-20 04:18:28,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-20 04:18:28,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-20 04:18:28,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-20 04:18:28,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:28,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-20 04:18:28,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-20 04:18:28,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-20 04:18:28,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-20 04:18:28,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:28,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:28,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:28,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-20 04:18:28,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-20 04:18:28,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-20 04:18:28,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-20 04:18:28,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:28,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:28,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:28,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-20 04:18:28,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:28,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:28,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:28,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-20 04:18:28,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:28,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:28,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:28,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-20 04:18:28,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-20 04:18:28,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-20 04:18:28,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-20 04:18:28,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-20 04:18:28,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:28,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:28,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:28,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-20 04:18:28,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-20 04:18:28,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:28,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:28,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:28,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-20 04:18:28,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-20 04:18:28,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-20 04:18:28,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-20 04:18:28,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 04:18:28,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:18:28,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:18:28,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 04:18:28,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-20 04:18:28,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-20 04:18:28,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:28,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:28,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:28,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:28,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 04:18:28,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-20 04:18:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 04:18:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:18:28,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:18:28,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 04:18:28,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-20 04:18:28,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:28,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:28,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-20 04:18:28,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-07-20 04:18:28,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:28,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:28,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-07-20 04:18:28,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:28,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2022-07-20 04:18:28,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:29,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:29,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:29,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2022-07-20 04:18:29,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:29,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-07-20 04:18:29,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:29,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-07-20 04:18:29,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:29,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:29,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:29,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:29,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:29,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-20 04:18:29,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:29,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-07-20 04:18:29,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:29,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2022-07-20 04:18:29,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:29,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2022-07-20 04:18:29,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:29,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:29,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:29,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:29,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:29,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:29,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2022-07-20 04:18:29,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:29,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2022-07-20 04:18:29,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:29,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:29,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:29,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:29,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:29,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:29,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:29,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2022-07-20 04:18:29,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:29,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:29,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:29,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:29,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:29,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:29,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:29,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 645 [2022-07-20 04:18:29,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:29,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 649 [2022-07-20 04:18:29,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:29,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 654 [2022-07-20 04:18:29,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:29,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2022-07-20 04:18:29,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:29,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 668 [2022-07-20 04:18:29,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:29,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 674 [2022-07-20 04:18:29,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:29,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 680 [2022-07-20 04:18:29,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:29,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 686 [2022-07-20 04:18:29,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:29,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 692 [2022-07-20 04:18:29,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:29,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 698 [2022-07-20 04:18:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:29,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 704 [2022-07-20 04:18:29,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:29,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 710 [2022-07-20 04:18:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:29,186 INFO L134 CoverageAnalysis]: Checked inductivity of 2299 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2296 trivial. 0 not checked. [2022-07-20 04:18:29,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:18:29,187 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500030558] [2022-07-20 04:18:29,187 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500030558] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:18:29,187 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:18:29,187 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-07-20 04:18:29,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654946814] [2022-07-20 04:18:29,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:18:29,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-07-20 04:18:29,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:18:29,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-07-20 04:18:29,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2022-07-20 04:18:29,189 INFO L87 Difference]: Start difference. First operand 3991 states and 4777 transitions. Second operand has 17 states, 17 states have (on average 17.176470588235293) internal successors, (292), 8 states have internal predecessors, (292), 2 states have call successors, (78), 10 states have call predecessors, (78), 2 states have return successors, (77), 3 states have call predecessors, (77), 2 states have call successors, (77) [2022-07-20 04:18:34,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:18:34,851 INFO L93 Difference]: Finished difference Result 7748 states and 9584 transitions. [2022-07-20 04:18:34,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-20 04:18:34,851 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 17.176470588235293) internal successors, (292), 8 states have internal predecessors, (292), 2 states have call successors, (78), 10 states have call predecessors, (78), 2 states have return successors, (77), 3 states have call predecessors, (77), 2 states have call successors, (77) Word has length 722 [2022-07-20 04:18:34,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:18:34,863 INFO L225 Difference]: With dead ends: 7748 [2022-07-20 04:18:34,864 INFO L226 Difference]: Without dead ends: 5349 [2022-07-20 04:18:34,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=184, Invalid=746, Unknown=0, NotChecked=0, Total=930 [2022-07-20 04:18:34,870 INFO L413 NwaCegarLoop]: 1425 mSDtfsCounter, 3347 mSDsluCounter, 9220 mSDsCounter, 0 mSdLazyCounter, 7704 mSolverCounterSat, 2372 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3347 SdHoareTripleChecker+Valid, 10645 SdHoareTripleChecker+Invalid, 10076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2372 IncrementalHoareTripleChecker+Valid, 7704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2022-07-20 04:18:34,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3347 Valid, 10645 Invalid, 10076 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2372 Valid, 7704 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2022-07-20 04:18:34,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5349 states. [2022-07-20 04:18:35,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5349 to 4015. [2022-07-20 04:18:35,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4015 states, 2799 states have (on average 1.1436227224008575) internal successors, (3201), 2865 states have internal predecessors, (3201), 789 states have call successors, (789), 410 states have call predecessors, (789), 426 states have return successors, (811), 786 states have call predecessors, (811), 788 states have call successors, (811) [2022-07-20 04:18:35,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4015 states to 4015 states and 4801 transitions. [2022-07-20 04:18:35,229 INFO L78 Accepts]: Start accepts. Automaton has 4015 states and 4801 transitions. Word has length 722 [2022-07-20 04:18:35,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:18:35,230 INFO L495 AbstractCegarLoop]: Abstraction has 4015 states and 4801 transitions. [2022-07-20 04:18:35,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 17.176470588235293) internal successors, (292), 8 states have internal predecessors, (292), 2 states have call successors, (78), 10 states have call predecessors, (78), 2 states have return successors, (77), 3 states have call predecessors, (77), 2 states have call successors, (77) [2022-07-20 04:18:35,230 INFO L276 IsEmpty]: Start isEmpty. Operand 4015 states and 4801 transitions. [2022-07-20 04:18:35,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 744 [2022-07-20 04:18:35,241 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:18:35,241 INFO L195 NwaCegarLoop]: trace histogram [29, 29, 29, 14, 14, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:18:35,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-07-20 04:18:35,242 INFO L420 AbstractCegarLoop]: === Iteration 50 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:18:35,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:18:35,242 INFO L85 PathProgramCache]: Analyzing trace with hash -105048126, now seen corresponding path program 1 times [2022-07-20 04:18:35,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:18:35,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662363416] [2022-07-20 04:18:35,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:18:35,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:18:35,308 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-20 04:18:35,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1857896714] [2022-07-20 04:18:35,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:18:35,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 04:18:35,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 04:18:35,311 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 04:18:35,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-07-20 04:18:36,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:36,179 INFO L263 TraceCheckSpWp]: Trace formula consists of 3650 conjuncts, 39 conjunts are in the unsatisfiable core [2022-07-20 04:18:36,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 04:18:36,432 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-07-20 04:18:36,432 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-07-20 04:18:36,451 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-07-20 04:18:37,412 INFO L134 CoverageAnalysis]: Checked inductivity of 2549 backedges. 1225 proven. 211 refuted. 0 times theorem prover too weak. 1113 trivial. 0 not checked. [2022-07-20 04:18:37,413 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 04:18:38,105 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1176 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_ldv_dispatch_register_10_2_#t~ret531#1.base| v_ArrVal_1176) |c_~#nfnl_log_net_id~0.base|) |c_~#nfnl_log_net_id~0.offset|) 0)) is different from false [2022-07-20 04:18:38,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:18:38,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662363416] [2022-07-20 04:18:38,160 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-20 04:18:38,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1857896714] [2022-07-20 04:18:38,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1857896714] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 04:18:38,160 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-07-20 04:18:38,160 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2022-07-20 04:18:38,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284722679] [2022-07-20 04:18:38,161 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-07-20 04:18:38,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-20 04:18:38,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:18:38,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-20 04:18:38,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=275, Unknown=6, NotChecked=34, Total=380 [2022-07-20 04:18:38,162 INFO L87 Difference]: Start difference. First operand 4015 states and 4801 transitions. Second operand has 12 states, 12 states have (on average 29.5) internal successors, (354), 8 states have internal predecessors, (354), 5 states have call successors, (94), 4 states have call predecessors, (94), 5 states have return successors, (93), 7 states have call predecessors, (93), 5 states have call successors, (93) [2022-07-20 04:18:39,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:18:39,980 INFO L93 Difference]: Finished difference Result 6745 states and 8057 transitions. [2022-07-20 04:18:39,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-20 04:18:39,980 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 29.5) internal successors, (354), 8 states have internal predecessors, (354), 5 states have call successors, (94), 4 states have call predecessors, (94), 5 states have return successors, (93), 7 states have call predecessors, (93), 5 states have call successors, (93) Word has length 743 [2022-07-20 04:18:39,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:18:39,986 INFO L225 Difference]: With dead ends: 6745 [2022-07-20 04:18:39,986 INFO L226 Difference]: Without dead ends: 2980 [2022-07-20 04:18:39,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1457 GetRequests, 1426 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=188, Invalid=802, Unknown=6, NotChecked=60, Total=1056 [2022-07-20 04:18:39,992 INFO L413 NwaCegarLoop]: 1204 mSDtfsCounter, 678 mSDsluCounter, 2349 mSDsCounter, 0 mSdLazyCounter, 2685 mSolverCounterSat, 289 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 745 SdHoareTripleChecker+Valid, 3553 SdHoareTripleChecker+Invalid, 2974 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 289 IncrementalHoareTripleChecker+Valid, 2685 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-07-20 04:18:39,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [745 Valid, 3553 Invalid, 2974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [289 Valid, 2685 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-20 04:18:39,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2980 states. [2022-07-20 04:18:40,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2980 to 2657. [2022-07-20 04:18:40,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2657 states, 1840 states have (on average 1.1391304347826088) internal successors, (2096), 1880 states have internal predecessors, (2096), 524 states have call successors, (524), 282 states have call predecessors, (524), 292 states have return successors, (540), 522 states have call predecessors, (540), 523 states have call successors, (540) [2022-07-20 04:18:40,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2657 states to 2657 states and 3160 transitions. [2022-07-20 04:18:40,232 INFO L78 Accepts]: Start accepts. Automaton has 2657 states and 3160 transitions. Word has length 743 [2022-07-20 04:18:40,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:18:40,232 INFO L495 AbstractCegarLoop]: Abstraction has 2657 states and 3160 transitions. [2022-07-20 04:18:40,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 29.5) internal successors, (354), 8 states have internal predecessors, (354), 5 states have call successors, (94), 4 states have call predecessors, (94), 5 states have return successors, (93), 7 states have call predecessors, (93), 5 states have call successors, (93) [2022-07-20 04:18:40,233 INFO L276 IsEmpty]: Start isEmpty. Operand 2657 states and 3160 transitions. [2022-07-20 04:18:40,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 844 [2022-07-20 04:18:40,241 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:18:40,241 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 17, 17, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 5, 5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:18:40,266 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-07-20 04:18:40,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 04:18:40,466 INFO L420 AbstractCegarLoop]: === Iteration 51 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:18:40,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:18:40,467 INFO L85 PathProgramCache]: Analyzing trace with hash -666768630, now seen corresponding path program 1 times [2022-07-20 04:18:40,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:18:40,467 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650738962] [2022-07-20 04:18:40,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:18:40,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:18:40,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-20 04:18:40,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:18:40,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:18:40,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-20 04:18:40,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-20 04:18:40,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-20 04:18:40,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:40,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-20 04:18:40,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-20 04:18:40,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-20 04:18:40,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-20 04:18:40,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:40,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:40,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:40,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-20 04:18:40,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-20 04:18:40,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-20 04:18:40,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-20 04:18:40,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:40,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:40,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:40,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-20 04:18:40,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-20 04:18:40,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-20 04:18:40,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:40,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-20 04:18:40,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-20 04:18:40,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-20 04:18:40,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-20 04:18:40,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-20 04:18:40,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:40,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:40,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:40,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-20 04:18:40,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-20 04:18:40,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-20 04:18:40,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-20 04:18:40,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-20 04:18:40,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-07-20 04:18:40,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:40,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:40,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:40,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-20 04:18:40,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:40,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:40,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:40,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-20 04:18:40,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:40,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:40,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:40,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-20 04:18:40,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-20 04:18:40,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-20 04:18:40,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-20 04:18:40,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-20 04:18:40,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:40,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:40,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:40,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-20 04:18:40,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-20 04:18:40,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:40,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:40,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-20 04:18:40,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-20 04:18:40,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-20 04:18:40,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-20 04:18:40,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2022-07-20 04:18:40,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 04:18:40,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:18:40,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:18:40,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 04:18:40,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2022-07-20 04:18:40,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-07-20 04:18:40,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:40,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:40,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:40,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:40,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 04:18:40,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-07-20 04:18:40,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-20 04:18:40,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-20 04:18:40,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-20 04:18:40,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-20 04:18:40,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2022-07-20 04:18:40,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:40,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:40,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-20 04:18:40,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-07-20 04:18:40,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-20 04:18:40,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-20 04:18:40,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2022-07-20 04:18:40,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:40,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2022-07-20 04:18:40,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:18:40,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650738962] [2022-07-20 04:18:40,996 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-07-20 04:18:40,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1489228305] [2022-07-20 04:18:40,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:18:40,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 04:18:40,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 04:18:40,998 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 04:18:40,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-07-20 04:18:41,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:41,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 4099 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-20 04:18:41,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 04:18:41,838 INFO L134 CoverageAnalysis]: Checked inductivity of 3335 backedges. 1274 proven. 0 refuted. 0 times theorem prover too weak. 2061 trivial. 0 not checked. [2022-07-20 04:18:41,839 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 04:18:41,839 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1489228305] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:18:41,839 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:18:41,839 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-20 04:18:41,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816942422] [2022-07-20 04:18:41,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:18:41,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-20 04:18:41,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:18:41,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-20 04:18:41,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-07-20 04:18:41,841 INFO L87 Difference]: Start difference. First operand 2657 states and 3160 transitions. Second operand has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 3 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (95), 3 states have call predecessors, (95), 3 states have call successors, (95) [2022-07-20 04:18:42,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:18:42,159 INFO L93 Difference]: Finished difference Result 5937 states and 7296 transitions. [2022-07-20 04:18:42,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-20 04:18:42,160 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 3 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (95), 3 states have call predecessors, (95), 3 states have call successors, (95) Word has length 843 [2022-07-20 04:18:42,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:18:42,168 INFO L225 Difference]: With dead ends: 5937 [2022-07-20 04:18:42,169 INFO L226 Difference]: Without dead ends: 3475 [2022-07-20 04:18:42,174 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1028 GetRequests, 1018 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-07-20 04:18:42,174 INFO L413 NwaCegarLoop]: 1332 mSDtfsCounter, 303 mSDsluCounter, 1173 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 424 SdHoareTripleChecker+Valid, 2505 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-20 04:18:42,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [424 Valid, 2505 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-20 04:18:42,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3475 states. [2022-07-20 04:18:42,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3475 to 2660. [2022-07-20 04:18:42,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2660 states, 1843 states have (on average 1.138903960933261) internal successors, (2099), 1883 states have internal predecessors, (2099), 524 states have call successors, (524), 282 states have call predecessors, (524), 292 states have return successors, (540), 522 states have call predecessors, (540), 523 states have call successors, (540) [2022-07-20 04:18:42,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2660 states to 2660 states and 3163 transitions. [2022-07-20 04:18:42,492 INFO L78 Accepts]: Start accepts. Automaton has 2660 states and 3163 transitions. Word has length 843 [2022-07-20 04:18:42,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:18:42,493 INFO L495 AbstractCegarLoop]: Abstraction has 2660 states and 3163 transitions. [2022-07-20 04:18:42,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 3 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (95), 3 states have call predecessors, (95), 3 states have call successors, (95) [2022-07-20 04:18:42,493 INFO L276 IsEmpty]: Start isEmpty. Operand 2660 states and 3163 transitions. [2022-07-20 04:18:42,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 844 [2022-07-20 04:18:42,504 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:18:42,504 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 17, 17, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 5, 5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:18:42,529 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-07-20 04:18:42,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 04:18:42,729 INFO L420 AbstractCegarLoop]: === Iteration 52 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:18:42,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:18:42,730 INFO L85 PathProgramCache]: Analyzing trace with hash 58861708, now seen corresponding path program 1 times [2022-07-20 04:18:42,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:18:42,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706466573] [2022-07-20 04:18:42,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:18:42,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:18:42,798 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-20 04:18:42,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1184022181] [2022-07-20 04:18:42,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:18:42,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 04:18:42,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 04:18:42,817 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 04:18:42,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-07-20 04:18:43,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:18:43,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 4098 conjuncts, 45 conjunts are in the unsatisfiable core [2022-07-20 04:18:43,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 04:18:44,367 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-07-20 04:18:48,672 INFO L356 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2022-07-20 04:18:48,673 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 27 [2022-07-20 04:18:53,085 INFO L134 CoverageAnalysis]: Checked inductivity of 3335 backedges. 1469 proven. 0 refuted. 0 times theorem prover too weak. 1866 trivial. 0 not checked. [2022-07-20 04:18:53,085 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 04:18:53,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:18:53,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706466573] [2022-07-20 04:18:53,085 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-20 04:18:53,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1184022181] [2022-07-20 04:18:53,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1184022181] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:18:53,086 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:18:53,086 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-20 04:18:53,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971958822] [2022-07-20 04:18:53,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:18:53,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-20 04:18:53,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:18:53,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-20 04:18:53,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=106, Unknown=10, NotChecked=0, Total=156 [2022-07-20 04:18:53,088 INFO L87 Difference]: Start difference. First operand 2660 states and 3163 transitions. Second operand has 13 states, 13 states have (on average 28.692307692307693) internal successors, (373), 10 states have internal predecessors, (373), 5 states have call successors, (100), 4 states have call predecessors, (100), 5 states have return successors, (99), 5 states have call predecessors, (99), 5 states have call successors, (99) [2022-07-20 04:19:01,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:19:01,377 INFO L93 Difference]: Finished difference Result 7659 states and 9159 transitions. [2022-07-20 04:19:01,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-20 04:19:01,377 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 28.692307692307693) internal successors, (373), 10 states have internal predecessors, (373), 5 states have call successors, (100), 4 states have call predecessors, (100), 5 states have return successors, (99), 5 states have call predecessors, (99), 5 states have call successors, (99) Word has length 843 [2022-07-20 04:19:01,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:19:01,391 INFO L225 Difference]: With dead ends: 7659 [2022-07-20 04:19:01,391 INFO L226 Difference]: Without dead ends: 5332 [2022-07-20 04:19:01,397 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 849 GetRequests, 831 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 10.7s TimeCoverageRelationStatistics Valid=90, Invalid=273, Unknown=17, NotChecked=0, Total=380 [2022-07-20 04:19:01,398 INFO L413 NwaCegarLoop]: 1416 mSDtfsCounter, 1273 mSDsluCounter, 5145 mSDsCounter, 0 mSdLazyCounter, 5388 mSolverCounterSat, 544 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1506 SdHoareTripleChecker+Valid, 6561 SdHoareTripleChecker+Invalid, 8239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 544 IncrementalHoareTripleChecker+Valid, 5388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 2307 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-07-20 04:19:01,398 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1506 Valid, 6561 Invalid, 8239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [544 Valid, 5388 Invalid, 0 Unknown, 2307 Unchecked, 3.6s Time] [2022-07-20 04:19:01,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5332 states. [2022-07-20 04:19:01,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5332 to 4244. [2022-07-20 04:19:01,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4244 states, 2924 states have (on average 1.140218878248974) internal successors, (3334), 2993 states have internal predecessors, (3334), 856 states have call successors, (856), 448 states have call predecessors, (856), 463 states have return successors, (888), 849 states have call predecessors, (888), 855 states have call successors, (888) [2022-07-20 04:19:01,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4244 states to 4244 states and 5078 transitions. [2022-07-20 04:19:01,911 INFO L78 Accepts]: Start accepts. Automaton has 4244 states and 5078 transitions. Word has length 843 [2022-07-20 04:19:01,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:19:01,911 INFO L495 AbstractCegarLoop]: Abstraction has 4244 states and 5078 transitions. [2022-07-20 04:19:01,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 28.692307692307693) internal successors, (373), 10 states have internal predecessors, (373), 5 states have call successors, (100), 4 states have call predecessors, (100), 5 states have return successors, (99), 5 states have call predecessors, (99), 5 states have call successors, (99) [2022-07-20 04:19:01,912 INFO L276 IsEmpty]: Start isEmpty. Operand 4244 states and 5078 transitions. [2022-07-20 04:19:01,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 862 [2022-07-20 04:19:01,922 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:19:01,923 INFO L195 NwaCegarLoop]: trace histogram [33, 33, 33, 17, 17, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 6, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:19:01,948 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-07-20 04:19:02,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 04:19:02,130 INFO L420 AbstractCegarLoop]: === Iteration 53 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:19:02,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:19:02,131 INFO L85 PathProgramCache]: Analyzing trace with hash -890771832, now seen corresponding path program 1 times [2022-07-20 04:19:02,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:19:02,131 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626283678] [2022-07-20 04:19:02,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:19:02,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:19:02,194 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-20 04:19:02,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [415935325] [2022-07-20 04:19:02,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:19:02,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 04:19:02,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 04:19:02,213 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 04:19:02,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-07-20 04:19:03,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:19:03,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 4197 conjuncts, 61 conjunts are in the unsatisfiable core [2022-07-20 04:19:03,255 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 04:19:03,905 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-07-20 04:19:08,024 INFO L356 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2022-07-20 04:19:08,025 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2022-07-20 04:19:08,066 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-07-20 04:19:11,642 INFO L356 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2022-07-20 04:19:11,642 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 27 [2022-07-20 04:19:15,504 INFO L134 CoverageAnalysis]: Checked inductivity of 3364 backedges. 1481 proven. 2 refuted. 0 times theorem prover too weak. 1881 trivial. 0 not checked. [2022-07-20 04:19:15,505 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 04:19:16,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:19:16,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626283678] [2022-07-20 04:19:16,327 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-20 04:19:16,327 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [415935325] [2022-07-20 04:19:16,327 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [415935325] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 04:19:16,327 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-07-20 04:19:16,327 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2022-07-20 04:19:16,327 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838014040] [2022-07-20 04:19:16,327 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-07-20 04:19:16,328 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-20 04:19:16,328 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:19:16,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-20 04:19:16,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=299, Unknown=10, NotChecked=0, Total=380 [2022-07-20 04:19:16,329 INFO L87 Difference]: Start difference. First operand 4244 states and 5078 transitions. Second operand has 13 states, 13 states have (on average 28.923076923076923) internal successors, (376), 10 states have internal predecessors, (376), 5 states have call successors, (100), 4 states have call predecessors, (100), 5 states have return successors, (100), 6 states have call predecessors, (100), 5 states have call successors, (100) [2022-07-20 04:19:25,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:19:25,906 INFO L93 Difference]: Finished difference Result 10657 states and 12846 transitions. [2022-07-20 04:19:25,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-20 04:19:25,907 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 28.923076923076923) internal successors, (376), 10 states have internal predecessors, (376), 5 states have call successors, (100), 4 states have call predecessors, (100), 5 states have return successors, (100), 6 states have call predecessors, (100), 5 states have call successors, (100) Word has length 861 [2022-07-20 04:19:25,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:19:25,923 INFO L225 Difference]: With dead ends: 10657 [2022-07-20 04:19:25,923 INFO L226 Difference]: Without dead ends: 7024 [2022-07-20 04:19:25,932 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1553 GetRequests, 1527 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 14.3s TimeCoverageRelationStatistics Valid=135, Invalid=550, Unknown=17, NotChecked=0, Total=702 [2022-07-20 04:19:25,933 INFO L413 NwaCegarLoop]: 1532 mSDtfsCounter, 1780 mSDsluCounter, 4950 mSDsCounter, 0 mSdLazyCounter, 6585 mSolverCounterSat, 784 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2037 SdHoareTripleChecker+Valid, 6482 SdHoareTripleChecker+Invalid, 9020 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 784 IncrementalHoareTripleChecker+Valid, 6585 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1651 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-07-20 04:19:25,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2037 Valid, 6482 Invalid, 9020 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [784 Valid, 6585 Invalid, 0 Unknown, 1651 Unchecked, 4.7s Time] [2022-07-20 04:19:25,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7024 states. [2022-07-20 04:19:26,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7024 to 4767. [2022-07-20 04:19:26,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4767 states, 3261 states have (on average 1.1373811714198099) internal successors, (3709), 3345 states have internal predecessors, (3709), 979 states have call successors, (979), 510 states have call predecessors, (979), 526 states have return successors, (1019), 966 states have call predecessors, (1019), 978 states have call successors, (1019) [2022-07-20 04:19:26,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4767 states to 4767 states and 5707 transitions. [2022-07-20 04:19:26,385 INFO L78 Accepts]: Start accepts. Automaton has 4767 states and 5707 transitions. Word has length 861 [2022-07-20 04:19:26,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:19:26,385 INFO L495 AbstractCegarLoop]: Abstraction has 4767 states and 5707 transitions. [2022-07-20 04:19:26,386 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 28.923076923076923) internal successors, (376), 10 states have internal predecessors, (376), 5 states have call successors, (100), 4 states have call predecessors, (100), 5 states have return successors, (100), 6 states have call predecessors, (100), 5 states have call successors, (100) [2022-07-20 04:19:26,386 INFO L276 IsEmpty]: Start isEmpty. Operand 4767 states and 5707 transitions. [2022-07-20 04:19:26,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 874 [2022-07-20 04:19:26,399 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:19:26,400 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 18, 18, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 7, 7, 5, 5, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:19:26,430 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-07-20 04:19:26,627 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 04:19:26,628 INFO L420 AbstractCegarLoop]: === Iteration 54 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:19:26,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:19:26,628 INFO L85 PathProgramCache]: Analyzing trace with hash 299355961, now seen corresponding path program 1 times [2022-07-20 04:19:26,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:19:26,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716953782] [2022-07-20 04:19:26,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:19:26,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:19:26,699 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-20 04:19:26,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [24697934] [2022-07-20 04:19:26,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:19:26,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 04:19:26,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 04:19:26,703 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 04:19:26,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-07-20 04:19:27,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:19:27,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 4232 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-20 04:19:27,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 04:19:27,583 INFO L134 CoverageAnalysis]: Checked inductivity of 3778 backedges. 1207 proven. 0 refuted. 0 times theorem prover too weak. 2571 trivial. 0 not checked. [2022-07-20 04:19:27,584 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-20 04:19:27,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:19:27,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716953782] [2022-07-20 04:19:27,584 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-20 04:19:27,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [24697934] [2022-07-20 04:19:27,584 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [24697934] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-20 04:19:27,584 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-20 04:19:27,585 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-20 04:19:27,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310665046] [2022-07-20 04:19:27,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-20 04:19:27,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-20 04:19:27,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:19:27,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-20 04:19:27,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-20 04:19:27,586 INFO L87 Difference]: Start difference. First operand 4767 states and 5707 transitions. Second operand has 5 states, 5 states have (on average 68.4) internal successors, (342), 5 states have internal predecessors, (342), 2 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (95), 2 states have call predecessors, (95), 2 states have call successors, (95) [2022-07-20 04:19:28,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:19:28,362 INFO L93 Difference]: Finished difference Result 6260 states and 7583 transitions. [2022-07-20 04:19:28,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-20 04:19:28,363 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 68.4) internal successors, (342), 5 states have internal predecessors, (342), 2 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (95), 2 states have call predecessors, (95), 2 states have call successors, (95) Word has length 873 [2022-07-20 04:19:28,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:19:28,372 INFO L225 Difference]: With dead ends: 6260 [2022-07-20 04:19:28,372 INFO L226 Difference]: Without dead ends: 5252 [2022-07-20 04:19:28,374 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 876 GetRequests, 871 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-20 04:19:28,375 INFO L413 NwaCegarLoop]: 1466 mSDtfsCounter, 865 mSDsluCounter, 3799 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 290 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 865 SdHoareTripleChecker+Valid, 5265 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 290 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-20 04:19:28,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [865 Valid, 5265 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [290 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-20 04:19:28,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5252 states. [2022-07-20 04:19:28,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5252 to 4770. [2022-07-20 04:19:28,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4770 states, 3264 states have (on average 1.1372549019607843) internal successors, (3712), 3348 states have internal predecessors, (3712), 979 states have call successors, (979), 510 states have call predecessors, (979), 526 states have return successors, (1019), 966 states have call predecessors, (1019), 978 states have call successors, (1019) [2022-07-20 04:19:28,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4770 states to 4770 states and 5710 transitions. [2022-07-20 04:19:28,836 INFO L78 Accepts]: Start accepts. Automaton has 4770 states and 5710 transitions. Word has length 873 [2022-07-20 04:19:28,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:19:28,837 INFO L495 AbstractCegarLoop]: Abstraction has 4770 states and 5710 transitions. [2022-07-20 04:19:28,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 68.4) internal successors, (342), 5 states have internal predecessors, (342), 2 states have call successors, (96), 2 states have call predecessors, (96), 2 states have return successors, (95), 2 states have call predecessors, (95), 2 states have call successors, (95) [2022-07-20 04:19:28,837 INFO L276 IsEmpty]: Start isEmpty. Operand 4770 states and 5710 transitions. [2022-07-20 04:19:28,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 909 [2022-07-20 04:19:28,852 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:19:28,853 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 18, 18, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 7, 7, 5, 5, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:19:28,882 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-07-20 04:19:29,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 04:19:29,068 INFO L420 AbstractCegarLoop]: === Iteration 55 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:19:29,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:19:29,068 INFO L85 PathProgramCache]: Analyzing trace with hash -72287231, now seen corresponding path program 1 times [2022-07-20 04:19:29,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:19:29,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481991902] [2022-07-20 04:19:29,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:19:29,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:19:29,168 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-20 04:19:29,168 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [548657506] [2022-07-20 04:19:29,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:19:29,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 04:19:29,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 04:19:29,185 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 04:19:29,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-07-20 04:19:30,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:19:30,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 4537 conjuncts, 48 conjunts are in the unsatisfiable core [2022-07-20 04:19:30,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 04:19:30,619 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-07-20 04:19:30,619 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-07-20 04:19:30,632 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-07-20 04:19:30,912 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-07-20 04:19:33,032 INFO L356 Elim1Store]: treesize reduction 45, result has 13.5 percent of original size [2022-07-20 04:19:33,032 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 29 treesize of output 22 [2022-07-20 04:19:46,363 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 2388 proven. 287 refuted. 0 times theorem prover too weak. 1109 trivial. 0 not checked. [2022-07-20 04:19:46,363 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 04:19:51,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:19:51,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481991902] [2022-07-20 04:19:51,135 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-20 04:19:51,135 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548657506] [2022-07-20 04:19:51,135 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [548657506] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 04:19:51,135 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-07-20 04:19:51,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2022-07-20 04:19:51,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692306500] [2022-07-20 04:19:51,135 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-07-20 04:19:51,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-07-20 04:19:51,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:19:51,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-07-20 04:19:51,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=441, Unknown=7, NotChecked=0, Total=552 [2022-07-20 04:19:51,137 INFO L87 Difference]: Start difference. First operand 4770 states and 5710 transitions. Second operand has 17 states, 17 states have (on average 25.294117647058822) internal successors, (430), 13 states have internal predecessors, (430), 7 states have call successors, (115), 7 states have call predecessors, (115), 8 states have return successors, (114), 9 states have call predecessors, (114), 7 states have call successors, (114) [2022-07-20 04:19:55,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-20 04:19:55,662 INFO L93 Difference]: Finished difference Result 7909 states and 9417 transitions. [2022-07-20 04:19:55,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-07-20 04:19:55,663 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 25.294117647058822) internal successors, (430), 13 states have internal predecessors, (430), 7 states have call successors, (115), 7 states have call predecessors, (115), 8 states have return successors, (114), 9 states have call predecessors, (114), 7 states have call successors, (114) Word has length 908 [2022-07-20 04:19:55,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-20 04:19:55,679 INFO L225 Difference]: With dead ends: 7909 [2022-07-20 04:19:55,679 INFO L226 Difference]: Without dead ends: 6100 [2022-07-20 04:19:55,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1636 GetRequests, 1607 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 18.6s TimeCoverageRelationStatistics Valid=170, Invalid=752, Unknown=8, NotChecked=0, Total=930 [2022-07-20 04:19:55,686 INFO L413 NwaCegarLoop]: 1692 mSDtfsCounter, 799 mSDsluCounter, 9341 mSDsCounter, 0 mSdLazyCounter, 1832 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 827 SdHoareTripleChecker+Valid, 11033 SdHoareTripleChecker+Invalid, 6841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 130 IncrementalHoareTripleChecker+Valid, 1832 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 4879 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-07-20 04:19:55,686 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [827 Valid, 11033 Invalid, 6841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 1832 Invalid, 0 Unknown, 4879 Unchecked, 1.7s Time] [2022-07-20 04:19:55,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6100 states. [2022-07-20 04:19:56,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6100 to 6048. [2022-07-20 04:19:56,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6048 states, 4119 states have (on average 1.1364408837096382) internal successors, (4681), 4239 states have internal predecessors, (4681), 1243 states have call successors, (1243), 668 states have call predecessors, (1243), 685 states have return successors, (1303), 1209 states have call predecessors, (1303), 1242 states have call successors, (1303) [2022-07-20 04:19:56,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6048 states to 6048 states and 7227 transitions. [2022-07-20 04:19:56,244 INFO L78 Accepts]: Start accepts. Automaton has 6048 states and 7227 transitions. Word has length 908 [2022-07-20 04:19:56,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-20 04:19:56,245 INFO L495 AbstractCegarLoop]: Abstraction has 6048 states and 7227 transitions. [2022-07-20 04:19:56,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 25.294117647058822) internal successors, (430), 13 states have internal predecessors, (430), 7 states have call successors, (115), 7 states have call predecessors, (115), 8 states have return successors, (114), 9 states have call predecessors, (114), 7 states have call successors, (114) [2022-07-20 04:19:56,245 INFO L276 IsEmpty]: Start isEmpty. Operand 6048 states and 7227 transitions. [2022-07-20 04:19:56,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 913 [2022-07-20 04:19:56,260 INFO L187 NwaCegarLoop]: Found error trace [2022-07-20 04:19:56,260 INFO L195 NwaCegarLoop]: trace histogram [35, 35, 35, 18, 18, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 7, 7, 5, 5, 5, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-20 04:19:56,281 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-07-20 04:19:56,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 04:19:56,463 INFO L420 AbstractCegarLoop]: === Iteration 56 === Targeting ldv_linux_kernel_module_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_linux_usb_gadget_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION, ldv_linux_fs_sysfs_check_final_stateErr0ASSERT_VIOLATIONERROR_FUNCTION (and 29 more)] === [2022-07-20 04:19:56,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-20 04:19:56,463 INFO L85 PathProgramCache]: Analyzing trace with hash 2049313502, now seen corresponding path program 1 times [2022-07-20 04:19:56,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-20 04:19:56,464 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923373001] [2022-07-20 04:19:56,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:19:56,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-20 04:19:56,554 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-20 04:19:56,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2043183076] [2022-07-20 04:19:56,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-20 04:19:56,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-20 04:19:56,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-20 04:19:56,556 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-20 04:19:56,557 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-07-20 04:19:58,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-20 04:19:58,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 4555 conjuncts, 94 conjunts are in the unsatisfiable core [2022-07-20 04:19:58,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-20 04:19:58,725 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-07-20 04:19:58,726 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2022-07-20 04:19:58,750 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-07-20 04:19:59,330 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-07-20 04:20:10,146 INFO L356 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2022-07-20 04:20:10,146 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 27 [2022-07-20 04:20:14,818 INFO L134 CoverageAnalysis]: Checked inductivity of 3796 backedges. 1607 proven. 329 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2022-07-20 04:20:14,818 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-20 04:20:15,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-20 04:20:15,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923373001] [2022-07-20 04:20:15,546 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-20 04:20:15,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2043183076] [2022-07-20 04:20:15,546 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2043183076] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-20 04:20:15,546 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-07-20 04:20:15,546 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2022-07-20 04:20:15,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606861686] [2022-07-20 04:20:15,546 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-07-20 04:20:15,547 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-07-20 04:20:15,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-20 04:20:15,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-07-20 04:20:15,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=625, Unknown=18, NotChecked=0, Total=756 [2022-07-20 04:20:15,548 INFO L87 Difference]: Start difference. First operand 6048 states and 7227 transitions. Second operand has 21 states, 21 states have (on average 19.857142857142858) internal successors, (417), 15 states have internal predecessors, (417), 8 states have call successors, (113), 6 states have call predecessors, (113), 8 states have return successors, (112), 10 states have call predecessors, (112), 8 states have call successors, (112)