./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 6c24879c 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-?-6c24879 [2022-07-12 17:13:40,770 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-12 17:13:40,771 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-12 17:13:40,791 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-12 17:13:40,792 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-12 17:13:40,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-12 17:13:40,793 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-12 17:13:40,795 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-12 17:13:40,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-12 17:13:40,796 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-12 17:13:40,797 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-12 17:13:40,798 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-12 17:13:40,798 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-12 17:13:40,799 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-12 17:13:40,799 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-12 17:13:40,800 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-12 17:13:40,801 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-12 17:13:40,801 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-12 17:13:40,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-12 17:13:40,804 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-12 17:13:40,805 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-12 17:13:40,805 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-12 17:13:40,806 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-12 17:13:40,807 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-12 17:13:40,807 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-12 17:13:40,809 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-12 17:13:40,810 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-12 17:13:40,810 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-12 17:13:40,810 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-12 17:13:40,811 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-12 17:13:40,812 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-12 17:13:40,812 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-12 17:13:40,812 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-12 17:13:40,813 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-12 17:13:40,813 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-12 17:13:40,814 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-12 17:13:40,814 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-12 17:13:40,815 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-12 17:13:40,815 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-12 17:13:40,816 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-12 17:13:40,816 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-12 17:13:40,817 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-12 17:13:40,818 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-12 17:13:40,832 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-12 17:13:40,832 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-12 17:13:40,832 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-12 17:13:40,833 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-12 17:13:40,833 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-12 17:13:40,833 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-12 17:13:40,834 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-12 17:13:40,834 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-12 17:13:40,834 INFO L138 SettingsManager]: * Use SBE=true [2022-07-12 17:13:40,834 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-12 17:13:40,834 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-12 17:13:40,834 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-12 17:13:40,835 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-12 17:13:40,835 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-12 17:13:40,835 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-12 17:13:40,835 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-12 17:13:40,835 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-12 17:13:40,835 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-12 17:13:40,835 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-12 17:13:40,836 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-12 17:13:40,836 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-12 17:13:40,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 17:13:40,836 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-12 17:13:40,836 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-12 17:13:40,836 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-12 17:13:40,837 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-12 17:13:40,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-12 17:13:40,837 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-12 17:13:40,837 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-12 17:13:40,837 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-12 17:13:40,837 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13180db7de3a8489ee06ea96825d5be5d06449dd3c867f58676a7914255b860c [2022-07-12 17:13:41,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-12 17:13:41,040 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-12 17:13:41,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-12 17:13:41,043 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-12 17:13:41,043 INFO L275 PluginConnector]: CDTParser initialized [2022-07-12 17:13:41,044 INFO L432 ainManager$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 [2022-07-12 17:13:41,099 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/706a2ca24/c24e7b0b87214c9eafd4c8dd84c2646c/FLAG75e23a53c [2022-07-12 17:13:41,772 INFO L306 CDTParser]: Found 1 translation units. [2022-07-12 17:13:41,773 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 [2022-07-12 17:13:41,823 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/706a2ca24/c24e7b0b87214c9eafd4c8dd84c2646c/FLAG75e23a53c [2022-07-12 17:13:41,898 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/706a2ca24/c24e7b0b87214c9eafd4c8dd84c2646c [2022-07-12 17:13:41,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-12 17:13:41,902 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-12 17:13:41,903 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-12 17:13:41,904 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-12 17:13:41,906 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-12 17:13:41,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 05:13:41" (1/1) ... [2022-07-12 17:13:41,907 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6615593f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:13:41, skipping insertion in model container [2022-07-12 17:13:41,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.07 05:13:41" (1/1) ... [2022-07-12 17:13:41,912 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-12 17:13:42,018 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-12 17:13:44,505 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[400642,400655] [2022-07-12 17:13:44,507 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] [2022-07-12 17:13:44,508 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] [2022-07-12 17:13:44,512 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] [2022-07-12 17:13:44,512 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] [2022-07-12 17:13:44,513 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[401414,401427] [2022-07-12 17:13:44,514 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[401572,401585] [2022-07-12 17:13:44,514 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[401732,401745] [2022-07-12 17:13:44,517 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[401891,401904] [2022-07-12 17:13:44,518 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[402030,402043] [2022-07-12 17:13:44,518 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[402172,402185] [2022-07-12 17:13:44,519 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] [2022-07-12 17:13:44,519 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] [2022-07-12 17:13:44,519 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] [2022-07-12 17:13:44,519 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] [2022-07-12 17:13:44,520 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] [2022-07-12 17:13:44,520 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] [2022-07-12 17:13:44,520 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] [2022-07-12 17:13:44,521 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] [2022-07-12 17:13:44,522 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] [2022-07-12 17:13:44,523 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] [2022-07-12 17:13:44,523 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] [2022-07-12 17:13:44,523 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] [2022-07-12 17:13:44,524 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] [2022-07-12 17:13:44,525 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] [2022-07-12 17:13:44,525 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] [2022-07-12 17:13:44,525 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] [2022-07-12 17:13:44,526 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] [2022-07-12 17:13:44,526 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] [2022-07-12 17:13:44,527 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] [2022-07-12 17:13:44,527 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] [2022-07-12 17:13:44,528 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] [2022-07-12 17:13:44,528 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] [2022-07-12 17:13:44,528 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] [2022-07-12 17:13:44,529 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] [2022-07-12 17:13:44,530 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] [2022-07-12 17:13:44,530 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] [2022-07-12 17:13:44,530 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] [2022-07-12 17:13:44,531 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] [2022-07-12 17:13:44,531 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] [2022-07-12 17:13:44,531 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] [2022-07-12 17:13:44,531 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] [2022-07-12 17:13:44,532 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] [2022-07-12 17:13:44,532 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] [2022-07-12 17:13:44,532 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] [2022-07-12 17:13:44,532 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] [2022-07-12 17:13:44,533 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] [2022-07-12 17:13:44,534 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] [2022-07-12 17:13:44,534 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] [2022-07-12 17:13:44,534 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] [2022-07-12 17:13:44,535 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] [2022-07-12 17:13:44,535 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] [2022-07-12 17:13:44,535 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] [2022-07-12 17:13:44,536 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] [2022-07-12 17:13:44,536 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] [2022-07-12 17:13:44,536 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] [2022-07-12 17:13:44,536 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] [2022-07-12 17:13:44,537 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] [2022-07-12 17:13:44,537 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] [2022-07-12 17:13:44,537 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] [2022-07-12 17:13:44,538 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] [2022-07-12 17:13:44,538 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] [2022-07-12 17:13:44,539 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] [2022-07-12 17:13:44,539 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] [2022-07-12 17:13:44,539 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] [2022-07-12 17:13:44,540 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] [2022-07-12 17:13:44,540 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] [2022-07-12 17:13:44,540 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] [2022-07-12 17:13:44,541 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] [2022-07-12 17:13:44,541 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] [2022-07-12 17:13:44,541 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] [2022-07-12 17:13:44,541 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] [2022-07-12 17:13:44,542 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] [2022-07-12 17:13:44,542 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] [2022-07-12 17:13:44,542 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] [2022-07-12 17:13:44,542 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] [2022-07-12 17:13:44,543 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] [2022-07-12 17:13:44,543 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] [2022-07-12 17:13:44,544 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] [2022-07-12 17:13:44,544 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] [2022-07-12 17:13:44,544 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] [2022-07-12 17:13:44,544 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] [2022-07-12 17:13:44,545 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] [2022-07-12 17:13:44,545 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] [2022-07-12 17:13:44,545 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] [2022-07-12 17:13:44,546 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] [2022-07-12 17:13:44,546 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] [2022-07-12 17:13:44,546 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] [2022-07-12 17:13:44,561 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 17:13:44,583 INFO L203 MainTranslator]: Completed pre-run [2022-07-12 17:13:44,820 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] [2022-07-12 17:13:44,822 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] [2022-07-12 17:13:44,822 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] [2022-07-12 17:13:44,823 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] [2022-07-12 17:13:44,825 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] [2022-07-12 17:13:44,826 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] [2022-07-12 17:13:44,827 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] [2022-07-12 17:13:44,827 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] [2022-07-12 17:13:44,827 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] [2022-07-12 17:13:44,828 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] [2022-07-12 17:13:44,828 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] [2022-07-12 17:13:44,828 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] [2022-07-12 17:13:44,829 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] [2022-07-12 17:13:44,829 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] [2022-07-12 17:13:44,829 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] [2022-07-12 17:13:44,829 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] [2022-07-12 17:13:44,830 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] [2022-07-12 17:13:44,830 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] [2022-07-12 17:13:44,830 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] [2022-07-12 17:13:44,830 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] [2022-07-12 17:13:44,831 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] [2022-07-12 17:13:44,831 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] [2022-07-12 17:13:44,832 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] [2022-07-12 17:13:44,832 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] [2022-07-12 17:13:44,832 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] [2022-07-12 17:13:44,832 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] [2022-07-12 17:13:44,833 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] [2022-07-12 17:13:44,833 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] [2022-07-12 17:13:44,833 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] [2022-07-12 17:13:44,834 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] [2022-07-12 17:13:44,834 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] [2022-07-12 17:13:44,834 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] [2022-07-12 17:13:44,834 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] [2022-07-12 17:13:44,835 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] [2022-07-12 17:13:44,835 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] [2022-07-12 17:13:44,835 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] [2022-07-12 17:13:44,836 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] [2022-07-12 17:13:44,836 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] [2022-07-12 17:13:44,836 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] [2022-07-12 17:13:44,837 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] [2022-07-12 17:13:44,838 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] [2022-07-12 17:13:44,838 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] [2022-07-12 17:13:44,839 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] [2022-07-12 17:13:44,839 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] [2022-07-12 17:13:44,840 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] [2022-07-12 17:13:44,840 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] [2022-07-12 17:13:44,840 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] [2022-07-12 17:13:44,841 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] [2022-07-12 17:13:44,841 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] [2022-07-12 17:13:44,841 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] [2022-07-12 17:13:44,841 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] [2022-07-12 17:13:44,842 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] [2022-07-12 17:13:44,844 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] [2022-07-12 17:13:44,845 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] [2022-07-12 17:13:44,845 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] [2022-07-12 17:13:44,845 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] [2022-07-12 17:13:44,845 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] [2022-07-12 17:13:44,846 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] [2022-07-12 17:13:44,846 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] [2022-07-12 17:13:44,846 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] [2022-07-12 17:13:44,847 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] [2022-07-12 17:13:44,864 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] [2022-07-12 17:13:44,866 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] [2022-07-12 17:13:44,867 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] [2022-07-12 17:13:44,868 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] [2022-07-12 17:13:44,868 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] [2022-07-12 17:13:44,868 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] [2022-07-12 17:13:44,868 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] [2022-07-12 17:13:44,869 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] [2022-07-12 17:13:44,869 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] [2022-07-12 17:13:44,869 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] [2022-07-12 17:13:44,869 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] [2022-07-12 17:13:44,870 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] [2022-07-12 17:13:44,870 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] [2022-07-12 17:13:44,870 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] [2022-07-12 17:13:44,871 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] [2022-07-12 17:13:44,871 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] [2022-07-12 17:13:44,871 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] [2022-07-12 17:13:44,871 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] [2022-07-12 17:13:44,872 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] [2022-07-12 17:13:44,872 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] [2022-07-12 17:13:44,872 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] [2022-07-12 17:13:44,873 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] [2022-07-12 17:13:44,873 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] [2022-07-12 17:13:44,873 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] [2022-07-12 17:13:44,873 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] [2022-07-12 17:13:44,874 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] [2022-07-12 17:13:44,874 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] [2022-07-12 17:13:44,877 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-12 17:13:44,984 INFO L208 MainTranslator]: Completed translation [2022-07-12 17:13:44,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:13:44 WrapperNode [2022-07-12 17:13:44,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-12 17:13:44,985 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-12 17:13:44,985 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-12 17:13:44,985 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-12 17:13:44,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:13:44" (1/1) ... [2022-07-12 17:13:45,035 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:13:44" (1/1) ... [2022-07-12 17:13:45,150 INFO L137 Inliner]: procedures = 616, calls = 1459, calls flagged for inlining = 273, calls inlined = 178, statements flattened = 2640 [2022-07-12 17:13:45,150 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-12 17:13:45,151 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-12 17:13:45,151 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-12 17:13:45,151 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-12 17:13:45,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:13:44" (1/1) ... [2022-07-12 17:13:45,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:13:44" (1/1) ... [2022-07-12 17:13:45,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:13:44" (1/1) ... [2022-07-12 17:13:45,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:13:44" (1/1) ... [2022-07-12 17:13:45,211 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:13:44" (1/1) ... [2022-07-12 17:13:45,217 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:13:44" (1/1) ... [2022-07-12 17:13:45,228 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:13:44" (1/1) ... [2022-07-12 17:13:45,246 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-12 17:13:45,246 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-12 17:13:45,246 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-12 17:13:45,247 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-12 17:13:45,247 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:13:44" (1/1) ... [2022-07-12 17:13:45,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-12 17:13:45,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 17:13:45,276 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) [2022-07-12 17:13:45,292 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 [2022-07-12 17:13:45,307 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_total_size [2022-07-12 17:13:45,308 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_total_size [2022-07-12 17:13:45,308 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_coherent_check_final_state [2022-07-12 17:13:45,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_coherent_check_final_state [2022-07-12 17:13:45,308 INFO L130 BoogieDeclarations]: Found specification of procedure seq_release_net [2022-07-12 17:13:45,308 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_release_net [2022-07-12 17:13:45,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-12 17:13:45,308 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-12 17:13:45,308 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-12 17:13:45,308 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-12 17:13:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-12 17:13:45,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-12 17:13:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-07-12 17:13:45,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_mmc_sdio_func_check_final_state [2022-07-12 17:13:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-12 17:13:45,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_lock [2022-07-12 17:13:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure __nfulnl_send [2022-07-12 17:13:45,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __nfulnl_send [2022-07-12 17:13:45,309 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_bh [2022-07-12 17:13:45,310 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_bh [2022-07-12 17:13:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure instance_put [2022-07-12 17:13:45,310 INFO L138 BoogieDeclarations]: Found implementation of procedure instance_put [2022-07-12 17:13:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_arch_io_check_final_state [2022-07-12 17:13:45,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_arch_io_check_final_state [2022-07-12 17:13:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure nf_log_unregister [2022-07-12 17:13:45,310 INFO L138 BoogieDeclarations]: Found implementation of procedure nf_log_unregister [2022-07-12 17:13:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_module_check_final_state [2022-07-12 17:13:45,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_module_check_final_state [2022-07-12 17:13:45,310 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-12 17:13:45,311 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-12 17:13:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2022-07-12 17:13:45,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2022-07-12 17:13:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-07-12 17:13:45,311 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-07-12 17:13:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-12 17:13:45,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-12 17:13:45,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_queue_check_final_state [2022-07-12 17:13:45,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_queue_check_final_state [2022-07-12 17:13:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-12 17:13:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure skb_tailroom [2022-07-12 17:13:45,312 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_tailroom [2022-07-12 17:13:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_request_check_final_state [2022-07-12 17:13:45,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_request_check_final_state [2022-07-12 17:13:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-12 17:13:45,312 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-12 17:13:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-12 17:13:45,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-12 17:13:45,312 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_in_interrupt_context [2022-07-12 17:13:45,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_in_interrupt_context [2022-07-12 17:13:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2022-07-12 17:13:45,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2022-07-12 17:13:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure nfnetlink_subsys_unregister [2022-07-12 17:13:45,313 INFO L138 BoogieDeclarations]: Found implementation of procedure nfnetlink_subsys_unregister [2022-07-12 17:13:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-07-12 17:13:45,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_bh_check_final_state [2022-07-12 17:13:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-12 17:13:45,313 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_block_genhd_check_final_state [2022-07-12 17:13:45,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_block_genhd_check_final_state [2022-07-12 17:13:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_register_reset_error_counter [2022-07-12 17:13:45,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_register_reset_error_counter [2022-07-12 17:13:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure seq_file_net [2022-07-12 17:13:45,314 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_file_net [2022-07-12 17:13:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_130 [2022-07-12 17:13:45,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_130 [2022-07-12 17:13:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_lib_idr_check_final_state [2022-07-12 17:13:45,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_lib_idr_check_final_state [2022-07-12 17:13:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_put [2022-07-12 17:13:45,315 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_put [2022-07-12 17:13:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_bh_138 [2022-07-12 17:13:45,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_bh_138 [2022-07-12 17:13:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-07-12 17:13:45,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_srcu_check_final_state [2022-07-12 17:13:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure instance_lookup_get [2022-07-12 17:13:45,315 INFO L138 BoogieDeclarations]: Found implementation of procedure instance_lookup_get [2022-07-12 17:13:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-12 17:13:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-12 17:13:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-07-12 17:13:45,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-07-12 17:13:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-12 17:13:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure seq_show [2022-07-12 17:13:45,316 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_show [2022-07-12 17:13:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_register_reset_error_counter [2022-07-12 17:13:45,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_register_reset_error_counter [2022-07-12 17:13:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-12 17:13:45,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-12 17:13:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_nfulnl_instance [2022-07-12 17:13:45,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_unlock_lock_of_nfulnl_instance [2022-07-12 17:13:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-12 17:13:45,317 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-12 17:13:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2022-07-12 17:13:45,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2022-07-12 17:13:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure __cmpxchg_wrong_size [2022-07-12 17:13:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-12 17:13:45,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-12 17:13:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-12 17:13:45,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_spinlock__one_thread_double_unlock [2022-07-12 17:13:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure nful_open [2022-07-12 17:13:45,318 INFO L138 BoogieDeclarations]: Found implementation of procedure nful_open [2022-07-12 17:13:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2022-07-12 17:13:45,318 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2022-07-12 17:13:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_netlink_unregister_notifier [2022-07-12 17:13:45,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_netlink_unregister_notifier [2022-07-12 17:13:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure nla_get_be32 [2022-07-12 17:13:45,318 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_get_be32 [2022-07-12 17:13:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-12 17:13:45,319 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-12 17:13:45,319 INFO L130 BoogieDeclarations]: Found specification of procedure nfnl_log_pernet [2022-07-12 17:13:45,319 INFO L138 BoogieDeclarations]: Found implementation of procedure nfnl_log_pernet [2022-07-12 17:13:45,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_sock_check_final_state [2022-07-12 17:13:45,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_sock_check_final_state [2022-07-12 17:13:45,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_for_read_section [2022-07-12 17:13:45,319 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_for_read_section [2022-07-12 17:13:45,319 INFO L130 BoogieDeclarations]: Found specification of procedure nlmsg_data [2022-07-12 17:13:45,319 INFO L138 BoogieDeclarations]: Found implementation of procedure nlmsg_data [2022-07-12 17:13:45,319 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_gadget_check_final_state [2022-07-12 17:13:45,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_gadget_check_final_state [2022-07-12 17:13:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-12 17:13:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_sysfs_check_final_state [2022-07-12 17:13:45,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_sysfs_check_final_state [2022-07-12 17:13:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-12 17:13:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock_bh [2022-07-12 17:13:45,320 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock_bh [2022-07-12 17:13:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-12 17:13:45,320 INFO L130 BoogieDeclarations]: Found specification of procedure nfnl_log_net_exit [2022-07-12 17:13:45,321 INFO L138 BoogieDeclarations]: Found implementation of procedure nfnl_log_net_exit [2022-07-12 17:13:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure nla_data [2022-07-12 17:13:45,321 INFO L138 BoogieDeclarations]: Found implementation of procedure nla_data [2022-07-12 17:13:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-12 17:13:45,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-12 17:13:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_net_rtnetlink_check_final_state [2022-07-12 17:13:45,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_net_rtnetlink_check_final_state [2022-07-12 17:13:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure __instance_lookup [2022-07-12 17:13:45,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __instance_lookup [2022-07-12 17:13:45,321 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2022-07-12 17:13:45,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2022-07-12 17:13:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-07-12 17:13:45,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-07-12 17:13:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-07-12 17:13:45,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_check_final_state [2022-07-12 17:13:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_usb_urb_check_final_state [2022-07-12 17:13:45,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_usb_urb_check_final_state [2022-07-12 17:13:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_132 [2022-07-12 17:13:45,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_132 [2022-07-12 17:13:45,322 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_bh_139 [2022-07-12 17:13:45,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_bh_139 [2022-07-12 17:13:45,323 INFO L130 BoogieDeclarations]: Found specification of procedure netlink_unregister_notifier [2022-07-12 17:13:45,323 INFO L138 BoogieDeclarations]: Found implementation of procedure netlink_unregister_notifier [2022-07-12 17:13:45,323 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_held [2022-07-12 17:13:45,323 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_held [2022-07-12 17:13:45,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-07-12 17:13:45,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_rwlock_check_final_state [2022-07-12 17:13:45,323 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-12 17:13:45,323 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-12 17:13:45,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-12 17:13:45,323 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_fs_char_dev_check_final_state [2022-07-12 17:13:45,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_fs_char_dev_check_final_state [2022-07-12 17:13:45,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-12 17:13:45,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-12 17:13:45,324 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_drivers_base_class_check_final_state [2022-07-12 17:13:45,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_drivers_base_class_check_final_state [2022-07-12 17:13:45,324 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-12 17:13:45,324 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-12 17:13:45,324 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-07-12 17:13:45,324 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-07-12 17:13:45,324 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_lock_bh_held [2022-07-12 17:13:45,325 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_lock_bh_held [2022-07-12 17:13:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure __instance_destroy [2022-07-12 17:13:45,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __instance_destroy [2022-07-12 17:13:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2022-07-12 17:13:45,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2022-07-12 17:13:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_nfulnl_instance [2022-07-12 17:13:45,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_locking_spinlock_spin_lock_lock_of_nfulnl_instance [2022-07-12 17:13:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-07-12 17:13:45,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_linux_kernel_rcu_update_lock_sched_check_final_state [2022-07-12 17:13:45,325 INFO L130 BoogieDeclarations]: Found specification of procedure instance_hashfn [2022-07-12 17:13:45,326 INFO L138 BoogieDeclarations]: Found implementation of procedure instance_hashfn [2022-07-12 17:13:45,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-12 17:13:45,326 INFO L130 BoogieDeclarations]: Found specification of procedure __nfulnl_flush [2022-07-12 17:13:45,326 INFO L138 BoogieDeclarations]: Found implementation of procedure __nfulnl_flush [2022-07-12 17:13:45,326 INFO L130 BoogieDeclarations]: Found specification of procedure get_next [2022-07-12 17:13:45,326 INFO L138 BoogieDeclarations]: Found implementation of procedure get_next [2022-07-12 17:13:45,761 INFO L234 CfgBuilder]: Building ICFG [2022-07-12 17:13:45,764 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-12 17:13:45,903 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-12 17:13:46,877 INFO L275 CfgBuilder]: Performing block encoding [2022-07-12 17:13:46,893 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-12 17:13:46,893 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-07-12 17:13:46,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 05:13:46 BoogieIcfgContainer [2022-07-12 17:13:46,895 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-12 17:13:46,897 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-12 17:13:46,897 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-12 17:13:46,899 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-12 17:13:46,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.07 05:13:41" (1/3) ... [2022-07-12 17:13:46,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18413c2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 05:13:46, skipping insertion in model container [2022-07-12 17:13:46,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.07 05:13:44" (2/3) ... [2022-07-12 17:13:46,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18413c2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.07 05:13:46, skipping insertion in model container [2022-07-12 17:13:46,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.07 05:13:46" (3/3) ... [2022-07-12 17:13:46,901 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.0-rc1---net--netfilter--nfnetlink_log.ko.cil.i [2022-07-12 17:13:46,910 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-12 17:13:46,911 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 31 error locations. [2022-07-12 17:13:46,955 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-12 17:13:46,959 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@674d12fc, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@1d2abbc6 [2022-07-12 17:13:46,959 INFO L358 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2022-07-12 17:13:46,965 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) [2022-07-12 17:13:46,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-07-12 17:13:46,973 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:13:46,974 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] [2022-07-12 17:13:46,974 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)] === [2022-07-12 17:13:46,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:13:46,978 INFO L85 PathProgramCache]: Analyzing trace with hash -138799992, now seen corresponding path program 1 times [2022-07-12 17:13:46,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:13:46,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809728928] [2022-07-12 17:13:46,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:13:46,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:13:47,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:47,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:13:47,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:47,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:13:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:47,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:13:47,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:47,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 17:13:47,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:47,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 17:13:47,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:47,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-12 17:13:47,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:47,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:13:47,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:47,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 17:13:47,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:47,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 17:13:47,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:47,522 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:13:47,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:13:47,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809728928] [2022-07-12 17:13:47,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809728928] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:13:47,525 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:13:47,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:13:47,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856954939] [2022-07-12 17:13:47,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:13:47,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:13:47,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:13:47,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:13:47,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:13:47,558 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) [2022-07-12 17:13:49,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:13:49,108 INFO L93 Difference]: Finished difference Result 2200 states and 2931 transitions. [2022-07-12 17:13:49,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:13:49,111 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 [2022-07-12 17:13:49,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:13:49,125 INFO L225 Difference]: With dead ends: 2200 [2022-07-12 17:13:49,125 INFO L226 Difference]: Without dead ends: 1093 [2022-07-12 17:13:49,132 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 [2022-07-12 17:13:49,134 INFO L413 NwaCegarLoop]: 1319 mSDtfsCounter, 1961 mSDsluCounter, 1437 mSDsCounter, 0 mSdLazyCounter, 1230 mSolverCounterSat, 806 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.3s IncrementalHoareTripleChecker+Time [2022-07-12 17:13:49,134 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2136 Valid, 2756 Invalid, 2036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [806 Valid, 1230 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-12 17:13:49,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1093 states. [2022-07-12 17:13:49,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1093 to 1093. [2022-07-12 17:13:49,204 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) [2022-07-12 17:13:49,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 1093 states and 1375 transitions. [2022-07-12 17:13:49,211 INFO L78 Accepts]: Start accepts. Automaton has 1093 states and 1375 transitions. Word has length 70 [2022-07-12 17:13:49,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:13:49,212 INFO L495 AbstractCegarLoop]: Abstraction has 1093 states and 1375 transitions. [2022-07-12 17:13:49,212 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) [2022-07-12 17:13:49,213 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 1375 transitions. [2022-07-12 17:13:49,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-07-12 17:13:49,215 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:13:49,215 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] [2022-07-12 17:13:49,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-12 17:13:49,216 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)] === [2022-07-12 17:13:49,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:13:49,216 INFO L85 PathProgramCache]: Analyzing trace with hash 333096518, now seen corresponding path program 1 times [2022-07-12 17:13:49,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:13:49,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213852742] [2022-07-12 17:13:49,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:13:49,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:13:49,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:49,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:13:49,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:49,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:13:49,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:49,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:13:49,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:49,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 17:13:49,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:49,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 17:13:49,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:49,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-12 17:13:49,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:49,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:13:49,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:49,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 17:13:49,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:49,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 17:13:49,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:49,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 17:13:49,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:49,386 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:13:49,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:13:49,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213852742] [2022-07-12 17:13:49,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213852742] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:13:49,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:13:49,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:13:49,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55060481] [2022-07-12 17:13:49,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:13:49,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:13:49,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:13:49,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:13:49,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:13:49,389 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) [2022-07-12 17:13:50,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:13:50,746 INFO L93 Difference]: Finished difference Result 1093 states and 1375 transitions. [2022-07-12 17:13:50,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:13:50,747 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 [2022-07-12 17:13:50,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:13:50,751 INFO L225 Difference]: With dead ends: 1093 [2022-07-12 17:13:50,751 INFO L226 Difference]: Without dead ends: 1091 [2022-07-12 17:13:50,752 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 [2022-07-12 17:13:50,752 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 [2022-07-12 17:13:50,753 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] [2022-07-12 17:13:50,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1091 states. [2022-07-12 17:13:50,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1091 to 1091. [2022-07-12 17:13:50,783 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) [2022-07-12 17:13:50,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 1373 transitions. [2022-07-12 17:13:50,790 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 1373 transitions. Word has length 76 [2022-07-12 17:13:50,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:13:50,790 INFO L495 AbstractCegarLoop]: Abstraction has 1091 states and 1373 transitions. [2022-07-12 17:13:50,790 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) [2022-07-12 17:13:50,791 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1373 transitions. [2022-07-12 17:13:50,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-07-12 17:13:50,793 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:13:50,793 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-12 17:13:50,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-12 17:13:50,793 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)] === [2022-07-12 17:13:50,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:13:50,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1375714423, now seen corresponding path program 1 times [2022-07-12 17:13:50,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:13:50,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862289338] [2022-07-12 17:13:50,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:13:50,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:13:50,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:50,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:13:50,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:50,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:13:50,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:50,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:13:50,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:50,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 17:13:50,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:50,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 17:13:50,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:50,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-12 17:13:50,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:50,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:13:50,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:50,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 17:13:50,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:50,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 17:13:50,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:50,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 17:13:50,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:50,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 17:13:50,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:50,931 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:13:50,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:13:50,932 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862289338] [2022-07-12 17:13:50,932 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [862289338] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:13:50,932 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:13:50,932 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:13:50,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829357733] [2022-07-12 17:13:50,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:13:50,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:13:50,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:13:50,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:13:50,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:13:50,933 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) [2022-07-12 17:13:52,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:13:52,317 INFO L93 Difference]: Finished difference Result 1091 states and 1373 transitions. [2022-07-12 17:13:52,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:13:52,317 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 [2022-07-12 17:13:52,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:13:52,322 INFO L225 Difference]: With dead ends: 1091 [2022-07-12 17:13:52,322 INFO L226 Difference]: Without dead ends: 1089 [2022-07-12 17:13:52,323 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 [2022-07-12 17:13:52,324 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, 1.3s IncrementalHoareTripleChecker+Time [2022-07-12 17:13:52,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2092 Valid, 2714 Invalid, 2010 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1214 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-12 17:13:52,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1089 states. [2022-07-12 17:13:52,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1089 to 1089. [2022-07-12 17:13:52,354 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) [2022-07-12 17:13:52,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1089 states to 1089 states and 1371 transitions. [2022-07-12 17:13:52,359 INFO L78 Accepts]: Start accepts. Automaton has 1089 states and 1371 transitions. Word has length 82 [2022-07-12 17:13:52,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:13:52,360 INFO L495 AbstractCegarLoop]: Abstraction has 1089 states and 1371 transitions. [2022-07-12 17:13:52,360 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) [2022-07-12 17:13:52,360 INFO L276 IsEmpty]: Start isEmpty. Operand 1089 states and 1371 transitions. [2022-07-12 17:13:52,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-07-12 17:13:52,362 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:13:52,363 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] [2022-07-12 17:13:52,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-12 17:13:52,363 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)] === [2022-07-12 17:13:52,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:13:52,363 INFO L85 PathProgramCache]: Analyzing trace with hash -62631502, now seen corresponding path program 1 times [2022-07-12 17:13:52,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:13:52,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475206640] [2022-07-12 17:13:52,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:13:52,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:13:52,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:52,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:13:52,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:52,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:13:52,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:52,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:13:52,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:52,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 17:13:52,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:52,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:13:52,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:52,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:13:52,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:52,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:13:52,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:52,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 17:13:52,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:52,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 17:13:52,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:52,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:13:52,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:52,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:13:52,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:52,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:13:52,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:52,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2022-07-12 17:13:52,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:52,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-12 17:13:52,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:52,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-12 17:13:52,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:52,534 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-07-12 17:13:52,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:13:52,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475206640] [2022-07-12 17:13:52,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475206640] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:13:52,535 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:13:52,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:13:52,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568726703] [2022-07-12 17:13:52,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:13:52,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:13:52,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:13:52,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:13:52,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:13:52,537 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) [2022-07-12 17:13:54,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:13:54,708 INFO L93 Difference]: Finished difference Result 1862 states and 2308 transitions. [2022-07-12 17:13:54,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 17:13:54,709 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 [2022-07-12 17:13:54,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:13:54,719 INFO L225 Difference]: With dead ends: 1862 [2022-07-12 17:13:54,719 INFO L226 Difference]: Without dead ends: 1860 [2022-07-12 17:13:54,720 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 [2022-07-12 17:13:54,722 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 [2022-07-12 17:13:54,723 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] [2022-07-12 17:13:54,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1860 states. [2022-07-12 17:13:54,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1860 to 1597. [2022-07-12 17:13:54,779 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) [2022-07-12 17:13:54,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1597 states to 1597 states and 2009 transitions. [2022-07-12 17:13:54,787 INFO L78 Accepts]: Start accepts. Automaton has 1597 states and 2009 transitions. Word has length 97 [2022-07-12 17:13:54,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:13:54,788 INFO L495 AbstractCegarLoop]: Abstraction has 1597 states and 2009 transitions. [2022-07-12 17:13:54,788 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) [2022-07-12 17:13:54,788 INFO L276 IsEmpty]: Start isEmpty. Operand 1597 states and 2009 transitions. [2022-07-12 17:13:54,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2022-07-12 17:13:54,791 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:13:54,791 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] [2022-07-12 17:13:54,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-12 17:13:54,791 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)] === [2022-07-12 17:13:54,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:13:54,792 INFO L85 PathProgramCache]: Analyzing trace with hash 591565888, now seen corresponding path program 1 times [2022-07-12 17:13:54,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:13:54,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461686947] [2022-07-12 17:13:54,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:13:54,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:13:54,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:54,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:13:54,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:54,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:13:54,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:54,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:13:54,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:54,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 17:13:54,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:54,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 17:13:54,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:54,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-12 17:13:54,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:54,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:13:54,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:54,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 17:13:54,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:54,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 17:13:54,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:54,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 17:13:54,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:54,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 17:13:54,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:54,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 17:13:54,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:54,958 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:13:54,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:13:54,958 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461686947] [2022-07-12 17:13:54,958 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461686947] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:13:54,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:13:54,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:13:54,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899499433] [2022-07-12 17:13:54,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:13:54,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:13:54,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:13:54,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:13:54,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:13:54,961 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) [2022-07-12 17:13:56,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:13:56,229 INFO L93 Difference]: Finished difference Result 1597 states and 2009 transitions. [2022-07-12 17:13:56,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:13:56,230 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 [2022-07-12 17:13:56,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:13:56,236 INFO L225 Difference]: With dead ends: 1597 [2022-07-12 17:13:56,236 INFO L226 Difference]: Without dead ends: 1595 [2022-07-12 17:13:56,237 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 [2022-07-12 17:13:56,237 INFO L413 NwaCegarLoop]: 1295 mSDtfsCounter, 1915 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1212 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.2s IncrementalHoareTripleChecker+Time [2022-07-12 17:13:56,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2085 Valid, 2712 Invalid, 2008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1212 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-12 17:13:56,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1595 states. [2022-07-12 17:13:56,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1595 to 1595. [2022-07-12 17:13:56,278 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) [2022-07-12 17:13:56,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1595 states to 1595 states and 2007 transitions. [2022-07-12 17:13:56,284 INFO L78 Accepts]: Start accepts. Automaton has 1595 states and 2007 transitions. Word has length 88 [2022-07-12 17:13:56,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:13:56,284 INFO L495 AbstractCegarLoop]: Abstraction has 1595 states and 2007 transitions. [2022-07-12 17:13:56,284 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) [2022-07-12 17:13:56,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1595 states and 2007 transitions. [2022-07-12 17:13:56,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-07-12 17:13:56,285 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:13:56,286 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] [2022-07-12 17:13:56,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-12 17:13:56,286 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)] === [2022-07-12 17:13:56,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:13:56,286 INFO L85 PathProgramCache]: Analyzing trace with hash -56363973, now seen corresponding path program 1 times [2022-07-12 17:13:56,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:13:56,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853180619] [2022-07-12 17:13:56,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:13:56,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:13:56,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:56,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:13:56,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:56,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:13:56,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:56,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:13:56,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:56,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 17:13:56,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:56,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 17:13:56,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:56,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-12 17:13:56,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:56,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:13:56,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:56,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 17:13:56,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:56,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 17:13:56,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:56,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 17:13:56,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:56,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 17:13:56,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:56,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 17:13:56,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:56,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-12 17:13:56,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:56,408 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:13:56,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:13:56,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853180619] [2022-07-12 17:13:56,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853180619] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:13:56,408 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:13:56,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:13:56,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220492458] [2022-07-12 17:13:56,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:13:56,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:13:56,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:13:56,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:13:56,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:13:56,410 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) [2022-07-12 17:13:57,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:13:57,645 INFO L93 Difference]: Finished difference Result 1595 states and 2007 transitions. [2022-07-12 17:13:57,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:13:57,645 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 [2022-07-12 17:13:57,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:13:57,651 INFO L225 Difference]: With dead ends: 1595 [2022-07-12 17:13:57,651 INFO L226 Difference]: Without dead ends: 1593 [2022-07-12 17:13:57,652 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 [2022-07-12 17:13:57,652 INFO L413 NwaCegarLoop]: 1293 mSDtfsCounter, 1909 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1210 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.1s IncrementalHoareTripleChecker+Time [2022-07-12 17:13:57,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2078 Valid, 2710 Invalid, 2006 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1210 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-12 17:13:57,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1593 states. [2022-07-12 17:13:57,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1593 to 1593. [2022-07-12 17:13:57,706 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) [2022-07-12 17:13:57,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1593 states to 1593 states and 2005 transitions. [2022-07-12 17:13:57,712 INFO L78 Accepts]: Start accepts. Automaton has 1593 states and 2005 transitions. Word has length 94 [2022-07-12 17:13:57,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:13:57,712 INFO L495 AbstractCegarLoop]: Abstraction has 1593 states and 2005 transitions. [2022-07-12 17:13:57,712 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) [2022-07-12 17:13:57,712 INFO L276 IsEmpty]: Start isEmpty. Operand 1593 states and 2005 transitions. [2022-07-12 17:13:57,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2022-07-12 17:13:57,716 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:13:57,716 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] [2022-07-12 17:13:57,716 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-12 17:13:57,717 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)] === [2022-07-12 17:13:57,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:13:57,717 INFO L85 PathProgramCache]: Analyzing trace with hash 915527194, now seen corresponding path program 1 times [2022-07-12 17:13:57,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:13:57,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049673515] [2022-07-12 17:13:57,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:13:57,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:13:57,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:57,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:13:57,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:57,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:13:57,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:57,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:13:57,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:57,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 17:13:57,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:57,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 17:13:57,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:57,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-12 17:13:57,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:57,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:13:57,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:57,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 17:13:57,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:57,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 17:13:57,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:57,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 17:13:57,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:57,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 17:13:57,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:57,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 17:13:57,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:57,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-12 17:13:57,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:57,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 17:13:57,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:57,865 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:13:57,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:13:57,865 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049673515] [2022-07-12 17:13:57,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049673515] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:13:57,865 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:13:57,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:13:57,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729504329] [2022-07-12 17:13:57,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:13:57,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:13:57,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:13:57,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:13:57,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:13:57,867 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) [2022-07-12 17:13:59,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:13:59,166 INFO L93 Difference]: Finished difference Result 1593 states and 2005 transitions. [2022-07-12 17:13:59,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:13:59,167 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 [2022-07-12 17:13:59,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:13:59,172 INFO L225 Difference]: With dead ends: 1593 [2022-07-12 17:13:59,173 INFO L226 Difference]: Without dead ends: 1591 [2022-07-12 17:13:59,173 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 [2022-07-12 17:13:59,174 INFO L413 NwaCegarLoop]: 1291 mSDtfsCounter, 1903 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1208 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.2s IncrementalHoareTripleChecker+Time [2022-07-12 17:13:59,174 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2071 Valid, 2708 Invalid, 2004 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1208 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-12 17:13:59,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1591 states. [2022-07-12 17:13:59,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1591 to 1591. [2022-07-12 17:13:59,215 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) [2022-07-12 17:13:59,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1591 states to 1591 states and 2003 transitions. [2022-07-12 17:13:59,224 INFO L78 Accepts]: Start accepts. Automaton has 1591 states and 2003 transitions. Word has length 100 [2022-07-12 17:13:59,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:13:59,225 INFO L495 AbstractCegarLoop]: Abstraction has 1591 states and 2003 transitions. [2022-07-12 17:13:59,225 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) [2022-07-12 17:13:59,225 INFO L276 IsEmpty]: Start isEmpty. Operand 1591 states and 2003 transitions. [2022-07-12 17:13:59,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-07-12 17:13:59,229 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:13:59,229 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] [2022-07-12 17:13:59,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-12 17:13:59,229 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)] === [2022-07-12 17:13:59,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:13:59,229 INFO L85 PathProgramCache]: Analyzing trace with hash 178536448, now seen corresponding path program 1 times [2022-07-12 17:13:59,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:13:59,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973241227] [2022-07-12 17:13:59,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:13:59,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:13:59,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:59,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:13:59,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:59,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:13:59,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:59,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:13:59,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:59,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 17:13:59,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:59,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 17:13:59,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:59,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-12 17:13:59,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:59,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:13:59,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:59,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 17:13:59,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:59,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 17:13:59,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:59,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 17:13:59,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:59,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 17:13:59,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:59,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 17:13:59,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:59,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-12 17:13:59,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:59,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 17:13:59,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:59,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 17:13:59,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:13:59,384 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:13:59,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:13:59,385 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973241227] [2022-07-12 17:13:59,385 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973241227] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:13:59,385 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:13:59,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:13:59,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872125331] [2022-07-12 17:13:59,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:13:59,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:13:59,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:13:59,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:13:59,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:13:59,386 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) [2022-07-12 17:14:00,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:14:00,646 INFO L93 Difference]: Finished difference Result 1591 states and 2003 transitions. [2022-07-12 17:14:00,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:14:00,648 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 [2022-07-12 17:14:00,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:14:00,653 INFO L225 Difference]: With dead ends: 1591 [2022-07-12 17:14:00,654 INFO L226 Difference]: Without dead ends: 1589 [2022-07-12 17:14:00,654 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 [2022-07-12 17:14:00,655 INFO L413 NwaCegarLoop]: 1289 mSDtfsCounter, 1897 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1206 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.1s IncrementalHoareTripleChecker+Time [2022-07-12 17:14:00,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2064 Valid, 2706 Invalid, 2002 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1206 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-12 17:14:00,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1589 states. [2022-07-12 17:14:00,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1589 to 1589. [2022-07-12 17:14:00,695 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) [2022-07-12 17:14:00,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1589 states to 1589 states and 2001 transitions. [2022-07-12 17:14:00,699 INFO L78 Accepts]: Start accepts. Automaton has 1589 states and 2001 transitions. Word has length 106 [2022-07-12 17:14:00,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:14:00,699 INFO L495 AbstractCegarLoop]: Abstraction has 1589 states and 2001 transitions. [2022-07-12 17:14:00,700 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) [2022-07-12 17:14:00,700 INFO L276 IsEmpty]: Start isEmpty. Operand 1589 states and 2001 transitions. [2022-07-12 17:14:00,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-07-12 17:14:00,701 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:14:00,701 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] [2022-07-12 17:14:00,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-12 17:14:00,701 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)] === [2022-07-12 17:14:00,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:14:00,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1037707720, now seen corresponding path program 1 times [2022-07-12 17:14:00,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:14:00,702 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626600728] [2022-07-12 17:14:00,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:14:00,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:14:00,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:00,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:14:00,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:00,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:14:00,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:00,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:14:00,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:00,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 17:14:00,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:00,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:00,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:00,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:14:00,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:00,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:14:00,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:00,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 17:14:00,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:00,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 17:14:00,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:00,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:00,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:00,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:14:00,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:00,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:14:00,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:00,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 17:14:00,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:00,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 17:14:00,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:00,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:14:00,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:00,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:14:00,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:00,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 17:14:00,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:00,874 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2022-07-12 17:14:00,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:14:00,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626600728] [2022-07-12 17:14:00,875 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626600728] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:14:00,875 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:14:00,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 17:14:00,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128890815] [2022-07-12 17:14:00,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:14:00,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 17:14:00,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:14:00,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 17:14:00,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 17:14:00,877 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) [2022-07-12 17:14:02,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:14:02,780 INFO L93 Difference]: Finished difference Result 1869 states and 2334 transitions. [2022-07-12 17:14:02,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-12 17:14:02,780 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 [2022-07-12 17:14:02,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:14:02,786 INFO L225 Difference]: With dead ends: 1869 [2022-07-12 17:14:02,786 INFO L226 Difference]: Without dead ends: 1867 [2022-07-12 17:14:02,787 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 [2022-07-12 17:14:02,789 INFO L413 NwaCegarLoop]: 1395 mSDtfsCounter, 1888 mSDsluCounter, 2085 mSDsCounter, 0 mSdLazyCounter, 2783 mSolverCounterSat, 853 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s 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, 1.8s IncrementalHoareTripleChecker+Time [2022-07-12 17:14:02,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2061 Valid, 3480 Invalid, 3636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [853 Valid, 2783 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-07-12 17:14:02,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1867 states. [2022-07-12 17:14:02,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1867 to 1759. [2022-07-12 17:14:02,847 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) [2022-07-12 17:14:02,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 1759 states and 2198 transitions. [2022-07-12 17:14:02,852 INFO L78 Accepts]: Start accepts. Automaton has 1759 states and 2198 transitions. Word has length 118 [2022-07-12 17:14:02,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:14:02,852 INFO L495 AbstractCegarLoop]: Abstraction has 1759 states and 2198 transitions. [2022-07-12 17:14:02,852 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) [2022-07-12 17:14:02,852 INFO L276 IsEmpty]: Start isEmpty. Operand 1759 states and 2198 transitions. [2022-07-12 17:14:02,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-07-12 17:14:02,854 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:14:02,854 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] [2022-07-12 17:14:02,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-12 17:14:02,855 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)] === [2022-07-12 17:14:02,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:14:02,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1083405284, now seen corresponding path program 1 times [2022-07-12 17:14:02,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:14:02,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043323717] [2022-07-12 17:14:02,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:14:02,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:14:02,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:02,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:14:02,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:02,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:14:02,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:02,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:14:02,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:02,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 17:14:02,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:02,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 17:14:02,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:02,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-12 17:14:02,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:02,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:02,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:02,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 17:14:02,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:02,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 17:14:02,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:02,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 17:14:02,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:02,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 17:14:02,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:02,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 17:14:02,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:02,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-12 17:14:02,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:02,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 17:14:02,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:02,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 17:14:02,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:02,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 17:14:02,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:02,990 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:14:02,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:14:02,990 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043323717] [2022-07-12 17:14:02,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043323717] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:14:02,990 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:14:02,991 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:14:02,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735515459] [2022-07-12 17:14:02,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:14:02,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:14:02,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:14:02,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:14:02,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:14:02,992 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) [2022-07-12 17:14:04,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:14:04,230 INFO L93 Difference]: Finished difference Result 1759 states and 2198 transitions. [2022-07-12 17:14:04,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:14:04,230 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 [2022-07-12 17:14:04,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:14:04,236 INFO L225 Difference]: With dead ends: 1759 [2022-07-12 17:14:04,236 INFO L226 Difference]: Without dead ends: 1757 [2022-07-12 17:14:04,237 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 [2022-07-12 17:14:04,237 INFO L413 NwaCegarLoop]: 1287 mSDtfsCounter, 1895 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1200 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.1s IncrementalHoareTripleChecker+Time [2022-07-12 17:14:04,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2061 Valid, 2704 Invalid, 1996 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1200 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-12 17:14:04,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1757 states. [2022-07-12 17:14:04,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1757 to 1757. [2022-07-12 17:14:04,289 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) [2022-07-12 17:14:04,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1757 states to 1757 states and 2196 transitions. [2022-07-12 17:14:04,293 INFO L78 Accepts]: Start accepts. Automaton has 1757 states and 2196 transitions. Word has length 112 [2022-07-12 17:14:04,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:14:04,293 INFO L495 AbstractCegarLoop]: Abstraction has 1757 states and 2196 transitions. [2022-07-12 17:14:04,294 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) [2022-07-12 17:14:04,294 INFO L276 IsEmpty]: Start isEmpty. Operand 1757 states and 2196 transitions. [2022-07-12 17:14:04,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-07-12 17:14:04,295 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:14:04,295 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] [2022-07-12 17:14:04,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-12 17:14:04,295 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)] === [2022-07-12 17:14:04,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:14:04,296 INFO L85 PathProgramCache]: Analyzing trace with hash 392296454, now seen corresponding path program 1 times [2022-07-12 17:14:04,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:14:04,296 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327458384] [2022-07-12 17:14:04,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:14:04,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:14:04,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:04,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:14:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:04,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:14:04,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:04,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:14:04,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:04,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 17:14:04,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:04,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 17:14:04,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:04,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-12 17:14:04,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:04,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:04,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:04,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 17:14:04,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:04,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 17:14:04,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:04,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-12 17:14:04,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:04,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 17:14:04,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:04,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:04,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:04,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:14:04,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:04,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:14:04,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:04,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-12 17:14:04,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:04,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 17:14:04,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:04,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 17:14:04,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:04,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 17:14:04,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:04,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:04,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:04,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:14:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:04,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:14:04,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:04,498 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2022-07-12 17:14:04,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:14:04,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327458384] [2022-07-12 17:14:04,499 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327458384] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 17:14:04,499 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2066831101] [2022-07-12 17:14:04,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:14:04,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 17:14:04,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 17:14:04,501 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) [2022-07-12 17:14:04,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-12 17:14:04,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:04,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 1214 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-12 17:14:04,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:14:05,004 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2022-07-12 17:14:05,005 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:14:05,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2066831101] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:14:05,005 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 17:14:05,005 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 9 [2022-07-12 17:14:05,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378040773] [2022-07-12 17:14:05,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:14:05,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 17:14:05,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:14:05,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 17:14:05,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-07-12 17:14:05,006 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) [2022-07-12 17:14:05,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:14:05,162 INFO L93 Difference]: Finished difference Result 3405 states and 4242 transitions. [2022-07-12 17:14:05,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 17:14:05,162 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 [2022-07-12 17:14:05,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:14:05,170 INFO L225 Difference]: With dead ends: 3405 [2022-07-12 17:14:05,170 INFO L226 Difference]: Without dead ends: 1805 [2022-07-12 17:14:05,175 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 [2022-07-12 17:14:05,176 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 [2022-07-12 17:14:05,176 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] [2022-07-12 17:14:05,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1805 states. [2022-07-12 17:14:05,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1805 to 1763. [2022-07-12 17:14:05,265 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) [2022-07-12 17:14:05,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1763 states to 1763 states and 2204 transitions. [2022-07-12 17:14:05,270 INFO L78 Accepts]: Start accepts. Automaton has 1763 states and 2204 transitions. Word has length 134 [2022-07-12 17:14:05,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:14:05,271 INFO L495 AbstractCegarLoop]: Abstraction has 1763 states and 2204 transitions. [2022-07-12 17:14:05,272 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) [2022-07-12 17:14:05,272 INFO L276 IsEmpty]: Start isEmpty. Operand 1763 states and 2204 transitions. [2022-07-12 17:14:05,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2022-07-12 17:14:05,273 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:14:05,273 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] [2022-07-12 17:14:05,309 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-07-12 17:14:05,510 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 [2022-07-12 17:14:05,511 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)] === [2022-07-12 17:14:05,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:14:05,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1770258305, now seen corresponding path program 1 times [2022-07-12 17:14:05,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:14:05,512 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773538205] [2022-07-12 17:14:05,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:14:05,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:14:05,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:05,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:14:05,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:05,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:14:05,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:05,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:14:05,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:05,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 17:14:05,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:05,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 17:14:05,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:05,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-12 17:14:05,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:05,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:05,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:05,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 17:14:05,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:05,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 17:14:05,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:05,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 17:14:05,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:05,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 17:14:05,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:05,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 17:14:05,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:05,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-12 17:14:05,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:05,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 17:14:05,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:05,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 17:14:05,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:05,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 17:14:05,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:05,665 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:14:05,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:14:05,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773538205] [2022-07-12 17:14:05,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773538205] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:14:05,666 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:14:05,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:14:05,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82026129] [2022-07-12 17:14:05,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:14:05,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:14:05,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:14:05,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:14:05,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:14:05,668 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) [2022-07-12 17:14:07,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:14:07,002 INFO L93 Difference]: Finished difference Result 1763 states and 2204 transitions. [2022-07-12 17:14:07,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:14:07,002 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 [2022-07-12 17:14:07,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:14:07,007 INFO L225 Difference]: With dead ends: 1763 [2022-07-12 17:14:07,007 INFO L226 Difference]: Without dead ends: 1761 [2022-07-12 17:14:07,008 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 [2022-07-12 17:14:07,008 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 [2022-07-12 17:14:07,008 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] [2022-07-12 17:14:07,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1761 states. [2022-07-12 17:14:07,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1761 to 1761. [2022-07-12 17:14:07,064 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) [2022-07-12 17:14:07,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1761 states to 1761 states and 2202 transitions. [2022-07-12 17:14:07,068 INFO L78 Accepts]: Start accepts. Automaton has 1761 states and 2202 transitions. Word has length 114 [2022-07-12 17:14:07,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:14:07,069 INFO L495 AbstractCegarLoop]: Abstraction has 1761 states and 2202 transitions. [2022-07-12 17:14:07,069 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) [2022-07-12 17:14:07,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1761 states and 2202 transitions. [2022-07-12 17:14:07,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-07-12 17:14:07,071 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:14:07,071 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] [2022-07-12 17:14:07,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-12 17:14:07,071 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)] === [2022-07-12 17:14:07,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:14:07,071 INFO L85 PathProgramCache]: Analyzing trace with hash 1352940516, now seen corresponding path program 1 times [2022-07-12 17:14:07,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:14:07,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752539564] [2022-07-12 17:14:07,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:14:07,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:14:07,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:07,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:14:07,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:07,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:14:07,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:07,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:14:07,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:07,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 17:14:07,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:07,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 17:14:07,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:07,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-12 17:14:07,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:07,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:07,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:07,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 17:14:07,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:07,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 17:14:07,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:07,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 17:14:07,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:07,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 17:14:07,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:07,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 17:14:07,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:07,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-12 17:14:07,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:07,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 17:14:07,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:07,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 17:14:07,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:07,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 17:14:07,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:07,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-12 17:14:07,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:07,207 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:14:07,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:14:07,208 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752539564] [2022-07-12 17:14:07,208 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752539564] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:14:07,208 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:14:07,208 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:14:07,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275244072] [2022-07-12 17:14:07,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:14:07,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:14:07,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:14:07,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:14:07,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:14:07,209 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) [2022-07-12 17:14:09,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:14:09,246 INFO L93 Difference]: Finished difference Result 2666 states and 3269 transitions. [2022-07-12 17:14:09,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 17:14:09,247 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 [2022-07-12 17:14:09,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:14:09,255 INFO L225 Difference]: With dead ends: 2666 [2022-07-12 17:14:09,255 INFO L226 Difference]: Without dead ends: 2664 [2022-07-12 17:14:09,256 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 [2022-07-12 17:14:09,256 INFO L413 NwaCegarLoop]: 1377 mSDtfsCounter, 2664 mSDsluCounter, 1742 mSDsCounter, 0 mSdLazyCounter, 2160 mSolverCounterSat, 1199 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s 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, 1.9s IncrementalHoareTripleChecker+Time [2022-07-12 17:14:09,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2829 Valid, 3119 Invalid, 3359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1199 Valid, 2160 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-12 17:14:09,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2664 states. [2022-07-12 17:14:09,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2664 to 2619. [2022-07-12 17:14:09,359 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) [2022-07-12 17:14:09,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2619 states to 2619 states and 3243 transitions. [2022-07-12 17:14:09,380 INFO L78 Accepts]: Start accepts. Automaton has 2619 states and 3243 transitions. Word has length 120 [2022-07-12 17:14:09,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:14:09,381 INFO L495 AbstractCegarLoop]: Abstraction has 2619 states and 3243 transitions. [2022-07-12 17:14:09,381 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) [2022-07-12 17:14:09,381 INFO L276 IsEmpty]: Start isEmpty. Operand 2619 states and 3243 transitions. [2022-07-12 17:14:09,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-07-12 17:14:09,382 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:14:09,383 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] [2022-07-12 17:14:09,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-07-12 17:14:09,383 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)] === [2022-07-12 17:14:09,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:14:09,383 INFO L85 PathProgramCache]: Analyzing trace with hash -179191031, now seen corresponding path program 1 times [2022-07-12 17:14:09,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:14:09,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419106032] [2022-07-12 17:14:09,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:14:09,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:14:09,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:09,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:14:09,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:09,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:14:09,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:09,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:14:09,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:09,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 17:14:09,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:09,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 17:14:09,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:09,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-12 17:14:09,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:09,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:09,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:09,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 17:14:09,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:09,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 17:14:09,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:09,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 17:14:09,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:09,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 17:14:09,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:09,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 17:14:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:09,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-12 17:14:09,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:09,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 17:14:09,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:09,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 17:14:09,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:09,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 17:14:09,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:09,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-12 17:14:09,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:09,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-12 17:14:09,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:09,516 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:14:09,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:14:09,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419106032] [2022-07-12 17:14:09,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419106032] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:14:09,517 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:14:09,517 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:14:09,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576323707] [2022-07-12 17:14:09,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:14:09,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:14:09,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:14:09,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:14:09,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:14:09,519 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) [2022-07-12 17:14:11,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:14:11,453 INFO L93 Difference]: Finished difference Result 3726 states and 4547 transitions. [2022-07-12 17:14:11,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 17:14:11,453 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 [2022-07-12 17:14:11,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:14:11,467 INFO L225 Difference]: With dead ends: 3726 [2022-07-12 17:14:11,468 INFO L226 Difference]: Without dead ends: 3724 [2022-07-12 17:14:11,470 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 [2022-07-12 17:14:11,470 INFO L413 NwaCegarLoop]: 1360 mSDtfsCounter, 2149 mSDsluCounter, 1894 mSDsCounter, 0 mSdLazyCounter, 2251 mSolverCounterSat, 1098 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s 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, 1.7s IncrementalHoareTripleChecker+Time [2022-07-12 17:14:11,471 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2251 Valid, 3254 Invalid, 3349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1098 Valid, 2251 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-07-12 17:14:11,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3724 states. [2022-07-12 17:14:11,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3724 to 3583. [2022-07-12 17:14:11,628 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) [2022-07-12 17:14:11,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3583 states to 3583 states and 4407 transitions. [2022-07-12 17:14:11,639 INFO L78 Accepts]: Start accepts. Automaton has 3583 states and 4407 transitions. Word has length 126 [2022-07-12 17:14:11,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:14:11,640 INFO L495 AbstractCegarLoop]: Abstraction has 3583 states and 4407 transitions. [2022-07-12 17:14:11,640 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) [2022-07-12 17:14:11,640 INFO L276 IsEmpty]: Start isEmpty. Operand 3583 states and 4407 transitions. [2022-07-12 17:14:11,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-07-12 17:14:11,641 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:14:11,641 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] [2022-07-12 17:14:11,642 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-07-12 17:14:11,642 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)] === [2022-07-12 17:14:11,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:14:11,642 INFO L85 PathProgramCache]: Analyzing trace with hash -31471526, now seen corresponding path program 1 times [2022-07-12 17:14:11,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:14:11,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953726427] [2022-07-12 17:14:11,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:14:11,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:14:11,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:11,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:14:11,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:11,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:14:11,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:11,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:14:11,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:11,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 17:14:11,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:11,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:11,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:11,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:14:11,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:11,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:14:11,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:11,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 17:14:11,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:11,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 17:14:11,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:11,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:11,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:11,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:14:11,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:11,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:14:11,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:11,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 17:14:11,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:11,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 17:14:11,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:11,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:14:11,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:11,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:14:11,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:11,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 17:14:11,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:11,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 17:14:11,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:11,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:11,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:11,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:14:11,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:11,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 17:14:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:11,817 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-07-12 17:14:11,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:14:11,817 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953726427] [2022-07-12 17:14:11,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953726427] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:14:11,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:14:11,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:14:11,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607600479] [2022-07-12 17:14:11,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:14:11,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:14:11,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:14:11,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:14:11,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:14:11,821 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) [2022-07-12 17:14:13,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:14:13,431 INFO L93 Difference]: Finished difference Result 6578 states and 8094 transitions. [2022-07-12 17:14:13,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:14:13,432 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 [2022-07-12 17:14:13,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:14:13,446 INFO L225 Difference]: With dead ends: 6578 [2022-07-12 17:14:13,446 INFO L226 Difference]: Without dead ends: 3850 [2022-07-12 17:14:13,454 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 [2022-07-12 17:14:13,455 INFO L413 NwaCegarLoop]: 1277 mSDtfsCounter, 1339 mSDsluCounter, 1807 mSDsCounter, 0 mSdLazyCounter, 1559 mSolverCounterSat, 1018 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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 [2022-07-12 17:14:13,455 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] [2022-07-12 17:14:13,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3850 states. [2022-07-12 17:14:13,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3850 to 3584. [2022-07-12 17:14:13,592 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) [2022-07-12 17:14:13,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3584 states to 3584 states and 4408 transitions. [2022-07-12 17:14:13,602 INFO L78 Accepts]: Start accepts. Automaton has 3584 states and 4408 transitions. Word has length 141 [2022-07-12 17:14:13,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:14:13,602 INFO L495 AbstractCegarLoop]: Abstraction has 3584 states and 4408 transitions. [2022-07-12 17:14:13,602 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) [2022-07-12 17:14:13,602 INFO L276 IsEmpty]: Start isEmpty. Operand 3584 states and 4408 transitions. [2022-07-12 17:14:13,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-07-12 17:14:13,604 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:14:13,604 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] [2022-07-12 17:14:13,604 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-07-12 17:14:13,604 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)] === [2022-07-12 17:14:13,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:14:13,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1628899092, now seen corresponding path program 1 times [2022-07-12 17:14:13,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:14:13,605 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958424759] [2022-07-12 17:14:13,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:14:13,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:14:13,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:13,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:14:13,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:13,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:14:13,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:13,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:14:13,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:13,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 17:14:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:13,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 17:14:13,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:13,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-12 17:14:13,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:13,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:13,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:13,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 17:14:13,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:13,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 17:14:13,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:13,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 17:14:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:13,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 17:14:13,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:13,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 17:14:13,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:13,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-12 17:14:13,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:13,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 17:14:13,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:13,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 17:14:13,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:13,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 17:14:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:13,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-12 17:14:13,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:13,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-12 17:14:13,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:13,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-12 17:14:13,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:13,742 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:14:13,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:14:13,742 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958424759] [2022-07-12 17:14:13,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958424759] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:14:13,742 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:14:13,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:14:13,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938755391] [2022-07-12 17:14:13,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:14:13,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:14:13,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:14:13,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:14:13,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:14:13,744 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) [2022-07-12 17:14:14,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:14:14,933 INFO L93 Difference]: Finished difference Result 3584 states and 4408 transitions. [2022-07-12 17:14:14,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:14:14,934 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 [2022-07-12 17:14:14,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:14:14,947 INFO L225 Difference]: With dead ends: 3584 [2022-07-12 17:14:14,948 INFO L226 Difference]: Without dead ends: 3582 [2022-07-12 17:14:14,949 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 [2022-07-12 17:14:14,950 INFO L413 NwaCegarLoop]: 1282 mSDtfsCounter, 1879 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1201 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 1.0s IncrementalHoareTripleChecker+Time [2022-07-12 17:14:14,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2042 Valid, 2699 Invalid, 1997 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1201 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-12 17:14:14,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3582 states. [2022-07-12 17:14:15,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3582 to 3582. [2022-07-12 17:14:15,073 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) [2022-07-12 17:14:15,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3582 states to 3582 states and 4405 transitions. [2022-07-12 17:14:15,081 INFO L78 Accepts]: Start accepts. Automaton has 3582 states and 4405 transitions. Word has length 132 [2022-07-12 17:14:15,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:14:15,081 INFO L495 AbstractCegarLoop]: Abstraction has 3582 states and 4405 transitions. [2022-07-12 17:14:15,081 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) [2022-07-12 17:14:15,082 INFO L276 IsEmpty]: Start isEmpty. Operand 3582 states and 4405 transitions. [2022-07-12 17:14:15,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-07-12 17:14:15,084 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:14:15,084 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] [2022-07-12 17:14:15,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-07-12 17:14:15,085 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)] === [2022-07-12 17:14:15,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:14:15,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1350192956, now seen corresponding path program 1 times [2022-07-12 17:14:15,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:14:15,085 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1670093011] [2022-07-12 17:14:15,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:14:15,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:14:15,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:15,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:14:15,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:15,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:14:15,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:15,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:14:15,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:15,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 17:14:15,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:15,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:15,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:15,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:14:15,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:15,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:14:15,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:15,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 17:14:15,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:15,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 17:14:15,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:15,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:15,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:15,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:14:15,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:15,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:14:15,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:15,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 17:14:15,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:15,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 17:14:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:15,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:14:15,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:15,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:14:15,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:15,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 17:14:15,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:15,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 17:14:15,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:15,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:15,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:15,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:14:15,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:15,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 17:14:15,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:15,221 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-07-12 17:14:15,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:14:15,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1670093011] [2022-07-12 17:14:15,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1670093011] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 17:14:15,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2045592130] [2022-07-12 17:14:15,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:14:15,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 17:14:15,222 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 17:14:15,223 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) [2022-07-12 17:14:15,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-12 17:14:15,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:15,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 1312 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-12 17:14:15,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:14:15,630 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-07-12 17:14:15,630 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 17:14:15,722 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-07-12 17:14:15,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2045592130] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 17:14:15,722 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-12 17:14:15,722 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4, 4] total 10 [2022-07-12 17:14:15,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772883126] [2022-07-12 17:14:15,722 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-12 17:14:15,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-12 17:14:15,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:14:15,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-12 17:14:15,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2022-07-12 17:14:15,724 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) [2022-07-12 17:14:17,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:14:17,434 INFO L93 Difference]: Finished difference Result 6598 states and 8126 transitions. [2022-07-12 17:14:17,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-12 17:14:17,447 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 [2022-07-12 17:14:17,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:14:17,457 INFO L225 Difference]: With dead ends: 6598 [2022-07-12 17:14:17,457 INFO L226 Difference]: Without dead ends: 3871 [2022-07-12 17:14:17,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 332 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2022-07-12 17:14:17,464 INFO L413 NwaCegarLoop]: 1277 mSDtfsCounter, 1390 mSDsluCounter, 2418 mSDsCounter, 0 mSdLazyCounter, 2349 mSolverCounterSat, 1032 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.5s IncrementalHoareTripleChecker+Time [2022-07-12 17:14:17,464 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1398 Valid, 3695 Invalid, 3381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1032 Valid, 2349 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2022-07-12 17:14:17,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3871 states. [2022-07-12 17:14:17,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3871 to 3615. [2022-07-12 17:14:17,625 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) [2022-07-12 17:14:17,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3615 states to 3615 states and 4453 transitions. [2022-07-12 17:14:17,632 INFO L78 Accepts]: Start accepts. Automaton has 3615 states and 4453 transitions. Word has length 146 [2022-07-12 17:14:17,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:14:17,633 INFO L495 AbstractCegarLoop]: Abstraction has 3615 states and 4453 transitions. [2022-07-12 17:14:17,633 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) [2022-07-12 17:14:17,633 INFO L276 IsEmpty]: Start isEmpty. Operand 3615 states and 4453 transitions. [2022-07-12 17:14:17,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-07-12 17:14:17,635 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:14:17,635 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] [2022-07-12 17:14:17,654 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-12 17:14:17,852 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 [2022-07-12 17:14:17,852 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)] === [2022-07-12 17:14:17,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:14:17,853 INFO L85 PathProgramCache]: Analyzing trace with hash 216200491, now seen corresponding path program 1 times [2022-07-12 17:14:17,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:14:17,853 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433074048] [2022-07-12 17:14:17,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:14:17,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:14:17,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:17,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:14:17,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:17,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:14:17,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:17,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:14:17,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:17,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 17:14:17,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:17,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:17,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:17,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:14:17,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:17,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:14:17,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:17,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 17:14:17,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:17,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 17:14:17,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:17,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:17,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:17,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:14:17,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:17,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:14:17,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:17,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 17:14:17,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:17,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 17:14:17,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:17,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:14:17,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:17,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:14:17,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:17,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 17:14:17,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:18,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 17:14:18,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:18,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:18,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:18,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:14:18,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:18,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 17:14:18,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:18,013 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-07-12 17:14:18,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:14:18,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433074048] [2022-07-12 17:14:18,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [433074048] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:14:18,014 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:14:18,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 17:14:18,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71377102] [2022-07-12 17:14:18,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:14:18,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 17:14:18,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:14:18,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 17:14:18,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 17:14:18,016 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) [2022-07-12 17:14:20,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:14:20,407 INFO L93 Difference]: Finished difference Result 3915 states and 4825 transitions. [2022-07-12 17:14:20,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-12 17:14:20,408 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 [2022-07-12 17:14:20,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:14:20,416 INFO L225 Difference]: With dead ends: 3915 [2022-07-12 17:14:20,416 INFO L226 Difference]: Without dead ends: 3913 [2022-07-12 17:14:20,418 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 [2022-07-12 17:14:20,419 INFO L413 NwaCegarLoop]: 1350 mSDtfsCounter, 2967 mSDsluCounter, 2299 mSDsCounter, 0 mSdLazyCounter, 2690 mSolverCounterSat, 1694 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s 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, 2.1s IncrementalHoareTripleChecker+Time [2022-07-12 17:14:20,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3081 Valid, 3649 Invalid, 4384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1694 Valid, 2690 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-07-12 17:14:20,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3913 states. [2022-07-12 17:14:20,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3913 to 3615. [2022-07-12 17:14:20,544 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) [2022-07-12 17:14:20,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3615 states to 3615 states and 4450 transitions. [2022-07-12 17:14:20,552 INFO L78 Accepts]: Start accepts. Automaton has 3615 states and 4450 transitions. Word has length 147 [2022-07-12 17:14:20,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:14:20,552 INFO L495 AbstractCegarLoop]: Abstraction has 3615 states and 4450 transitions. [2022-07-12 17:14:20,552 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) [2022-07-12 17:14:20,552 INFO L276 IsEmpty]: Start isEmpty. Operand 3615 states and 4450 transitions. [2022-07-12 17:14:20,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-07-12 17:14:20,554 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:14:20,554 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] [2022-07-12 17:14:20,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-07-12 17:14:20,556 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)] === [2022-07-12 17:14:20,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:14:20,556 INFO L85 PathProgramCache]: Analyzing trace with hash -973056597, now seen corresponding path program 1 times [2022-07-12 17:14:20,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:14:20,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934628970] [2022-07-12 17:14:20,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:14:20,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:14:20,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:20,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:14:20,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:20,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:14:20,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:20,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:14:20,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:20,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 17:14:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:20,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 17:14:20,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:20,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-12 17:14:20,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:20,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:20,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:20,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 17:14:20,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:20,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 17:14:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:20,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 17:14:20,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:20,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 17:14:20,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:20,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 17:14:20,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:20,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-12 17:14:20,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:20,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 17:14:20,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:20,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 17:14:20,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:20,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 17:14:20,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:20,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-12 17:14:20,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:20,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-12 17:14:20,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:20,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-12 17:14:20,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:20,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-12 17:14:20,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:20,689 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:14:20,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:14:20,689 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934628970] [2022-07-12 17:14:20,689 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934628970] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:14:20,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:14:20,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:14:20,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151470685] [2022-07-12 17:14:20,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:14:20,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:14:20,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:14:20,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:14:20,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:14:20,691 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) [2022-07-12 17:14:22,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:14:22,879 INFO L93 Difference]: Finished difference Result 3948 states and 4802 transitions. [2022-07-12 17:14:22,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-12 17:14:22,880 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 [2022-07-12 17:14:22,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:14:22,889 INFO L225 Difference]: With dead ends: 3948 [2022-07-12 17:14:22,889 INFO L226 Difference]: Without dead ends: 3946 [2022-07-12 17:14:22,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-07-12 17:14:22,891 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, 1.9s IncrementalHoareTripleChecker+Time [2022-07-12 17:14:22,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1924 Valid, 3526 Invalid, 3598 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1066 Valid, 2532 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-12 17:14:22,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3946 states. [2022-07-12 17:14:23,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3946 to 3819. [2022-07-12 17:14:23,020 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) [2022-07-12 17:14:23,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3819 states to 3819 states and 4667 transitions. [2022-07-12 17:14:23,028 INFO L78 Accepts]: Start accepts. Automaton has 3819 states and 4667 transitions. Word has length 138 [2022-07-12 17:14:23,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:14:23,028 INFO L495 AbstractCegarLoop]: Abstraction has 3819 states and 4667 transitions. [2022-07-12 17:14:23,029 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) [2022-07-12 17:14:23,029 INFO L276 IsEmpty]: Start isEmpty. Operand 3819 states and 4667 transitions. [2022-07-12 17:14:23,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-07-12 17:14:23,030 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:14:23,030 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] [2022-07-12 17:14:23,031 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-07-12 17:14:23,031 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)] === [2022-07-12 17:14:23,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:14:23,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1616326209, now seen corresponding path program 1 times [2022-07-12 17:14:23,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:14:23,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091838912] [2022-07-12 17:14:23,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:14:23,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:14:23,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:23,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:14:23,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:23,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:14:23,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:23,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:14:23,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:23,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 17:14:23,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:23,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:23,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:23,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:14:23,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:23,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:14:23,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:23,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 17:14:23,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:23,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 17:14:23,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:23,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:23,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:23,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:14:23,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:23,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:14:23,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:23,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 17:14:23,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:23,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 17:14:23,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:23,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:14:23,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:23,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:14:23,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:23,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 17:14:23,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:23,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 17:14:23,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:23,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:23,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:23,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:14:23,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:23,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 17:14:23,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:23,202 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-07-12 17:14:23,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:14:23,202 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091838912] [2022-07-12 17:14:23,203 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091838912] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:14:23,204 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:14:23,204 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 17:14:23,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818494084] [2022-07-12 17:14:23,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:14:23,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 17:14:23,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:14:23,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 17:14:23,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 17:14:23,205 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) [2022-07-12 17:14:24,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:14:24,800 INFO L93 Difference]: Finished difference Result 4075 states and 5007 transitions. [2022-07-12 17:14:24,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 17:14:24,803 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 [2022-07-12 17:14:24,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:14:24,814 INFO L225 Difference]: With dead ends: 4075 [2022-07-12 17:14:24,814 INFO L226 Difference]: Without dead ends: 4073 [2022-07-12 17:14:24,817 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 [2022-07-12 17:14:24,818 INFO L413 NwaCegarLoop]: 1272 mSDtfsCounter, 2361 mSDsluCounter, 1822 mSDsCounter, 0 mSdLazyCounter, 1523 mSolverCounterSat, 1184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.4s IncrementalHoareTripleChecker+Time [2022-07-12 17:14:24,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2541 Valid, 3094 Invalid, 2707 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1184 Valid, 1523 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-12 17:14:24,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4073 states. [2022-07-12 17:14:24,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4073 to 3817. [2022-07-12 17:14:24,981 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) [2022-07-12 17:14:24,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3817 states to 3817 states and 4658 transitions. [2022-07-12 17:14:24,989 INFO L78 Accepts]: Start accepts. Automaton has 3817 states and 4658 transitions. Word has length 150 [2022-07-12 17:14:24,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:14:24,989 INFO L495 AbstractCegarLoop]: Abstraction has 3817 states and 4658 transitions. [2022-07-12 17:14:24,989 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) [2022-07-12 17:14:24,989 INFO L276 IsEmpty]: Start isEmpty. Operand 3817 states and 4658 transitions. [2022-07-12 17:14:24,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2022-07-12 17:14:24,991 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:14:24,991 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] [2022-07-12 17:14:24,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-07-12 17:14:24,991 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)] === [2022-07-12 17:14:24,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:14:24,992 INFO L85 PathProgramCache]: Analyzing trace with hash 713324926, now seen corresponding path program 1 times [2022-07-12 17:14:24,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:14:24,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193106293] [2022-07-12 17:14:24,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:14:24,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:14:25,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:25,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:14:25,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:25,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:14:25,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:25,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:14:25,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:25,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 17:14:25,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:25,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 17:14:25,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:25,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-12 17:14:25,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:25,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:25,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:25,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 17:14:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:25,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 17:14:25,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:25,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 17:14:25,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:25,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 17:14:25,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:25,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 17:14:25,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:25,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-12 17:14:25,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:25,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 17:14:25,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:25,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 17:14:25,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:25,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 17:14:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:25,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-12 17:14:25,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:25,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-12 17:14:25,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:25,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-12 17:14:25,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:25,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-12 17:14:25,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:25,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-12 17:14:25,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:25,142 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:14:25,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:14:25,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193106293] [2022-07-12 17:14:25,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193106293] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:14:25,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:14:25,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:14:25,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432057502] [2022-07-12 17:14:25,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:14:25,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:14:25,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:14:25,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:14:25,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:14:25,146 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) [2022-07-12 17:14:26,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:14:26,462 INFO L93 Difference]: Finished difference Result 3817 states and 4658 transitions. [2022-07-12 17:14:26,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:14:26,463 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 [2022-07-12 17:14:26,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:14:26,471 INFO L225 Difference]: With dead ends: 3817 [2022-07-12 17:14:26,472 INFO L226 Difference]: Without dead ends: 3815 [2022-07-12 17:14:26,474 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 [2022-07-12 17:14:26,474 INFO L413 NwaCegarLoop]: 1278 mSDtfsCounter, 1867 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1197 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.1s IncrementalHoareTripleChecker+Time [2022-07-12 17:14:26,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2028 Valid, 2695 Invalid, 1993 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1197 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-12 17:14:26,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3815 states. [2022-07-12 17:14:26,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3815 to 3815. [2022-07-12 17:14:26,644 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) [2022-07-12 17:14:26,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3815 states to 3815 states and 4655 transitions. [2022-07-12 17:14:26,653 INFO L78 Accepts]: Start accepts. Automaton has 3815 states and 4655 transitions. Word has length 144 [2022-07-12 17:14:26,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:14:26,653 INFO L495 AbstractCegarLoop]: Abstraction has 3815 states and 4655 transitions. [2022-07-12 17:14:26,653 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) [2022-07-12 17:14:26,653 INFO L276 IsEmpty]: Start isEmpty. Operand 3815 states and 4655 transitions. [2022-07-12 17:14:26,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-07-12 17:14:26,655 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:14:26,655 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] [2022-07-12 17:14:26,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-07-12 17:14:26,656 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)] === [2022-07-12 17:14:26,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:14:26,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1089934537, now seen corresponding path program 1 times [2022-07-12 17:14:26,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:14:26,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683699169] [2022-07-12 17:14:26,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:14:26,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:14:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:26,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:14:26,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:26,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:14:26,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:26,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:14:26,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:26,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 17:14:26,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:26,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:26,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:26,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:14:26,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:26,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:14:26,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:26,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 17:14:26,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:26,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 17:14:26,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:26,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:26,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:26,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:14:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:26,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:14:26,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:26,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 17:14:26,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:26,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 17:14:26,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:27,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:14:27,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:27,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:14:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:27,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 17:14:27,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:27,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 17:14:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:27,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:27,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:14:27,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:27,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 17:14:27,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:27,049 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2022-07-12 17:14:27,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:14:27,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683699169] [2022-07-12 17:14:27,049 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683699169] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 17:14:27,049 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [719080325] [2022-07-12 17:14:27,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:14:27,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 17:14:27,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 17:14:27,051 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) [2022-07-12 17:14:27,052 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-12 17:14:27,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:27,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 1349 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-12 17:14:27,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:14:27,596 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-07-12 17:14:27,597 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:14:27,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [719080325] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:14:27,597 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 17:14:27,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [15] total 18 [2022-07-12 17:14:27,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093494680] [2022-07-12 17:14:27,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:14:27,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:14:27,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:14:27,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:14:27,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=269, Unknown=0, NotChecked=0, Total=306 [2022-07-12 17:14:27,599 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) [2022-07-12 17:14:28,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:14:28,985 INFO L93 Difference]: Finished difference Result 3839 states and 4671 transitions. [2022-07-12 17:14:28,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:14:28,985 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 [2022-07-12 17:14:28,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:14:28,994 INFO L225 Difference]: With dead ends: 3839 [2022-07-12 17:14:28,995 INFO L226 Difference]: Without dead ends: 3837 [2022-07-12 17:14:28,996 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 [2022-07-12 17:14:28,997 INFO L413 NwaCegarLoop]: 1100 mSDtfsCounter, 1360 mSDsluCounter, 1543 mSDsCounter, 0 mSdLazyCounter, 2063 mSolverCounterSat, 445 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.2s IncrementalHoareTripleChecker+Time [2022-07-12 17:14:28,997 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1529 Valid, 2643 Invalid, 2508 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [445 Valid, 2063 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-07-12 17:14:28,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3837 states. [2022-07-12 17:14:29,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3837 to 3837. [2022-07-12 17:14:29,171 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) [2022-07-12 17:14:29,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3837 states to 3837 states and 4662 transitions. [2022-07-12 17:14:29,179 INFO L78 Accepts]: Start accepts. Automaton has 3837 states and 4662 transitions. Word has length 153 [2022-07-12 17:14:29,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:14:29,180 INFO L495 AbstractCegarLoop]: Abstraction has 3837 states and 4662 transitions. [2022-07-12 17:14:29,180 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) [2022-07-12 17:14:29,180 INFO L276 IsEmpty]: Start isEmpty. Operand 3837 states and 4662 transitions. [2022-07-12 17:14:29,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-07-12 17:14:29,182 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:14:29,182 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] [2022-07-12 17:14:29,211 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-07-12 17:14:29,395 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 [2022-07-12 17:14:29,395 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)] === [2022-07-12 17:14:29,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:14:29,396 INFO L85 PathProgramCache]: Analyzing trace with hash -281219765, now seen corresponding path program 1 times [2022-07-12 17:14:29,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:14:29,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224137760] [2022-07-12 17:14:29,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:14:29,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:14:29,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:29,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:14:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:29,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:14:29,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:29,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:14:29,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:29,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 17:14:29,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:29,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:29,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:29,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:14:29,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:29,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:14:29,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:29,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 17:14:29,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:29,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 17:14:29,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:29,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:29,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:29,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:14:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:29,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:14:29,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:29,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 17:14:29,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:29,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 17:14:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:29,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:14:29,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:29,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:14:29,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:29,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 17:14:29,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:29,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 17:14:29,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:29,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:29,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:29,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:14:29,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:29,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 17:14:29,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:29,573 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-07-12 17:14:29,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:14:29,573 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1224137760] [2022-07-12 17:14:29,573 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1224137760] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:14:29,574 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:14:29,574 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-12 17:14:29,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467670169] [2022-07-12 17:14:29,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:14:29,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 17:14:29,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:14:29,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 17:14:29,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-12 17:14:29,576 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) [2022-07-12 17:14:31,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:14:31,134 INFO L93 Difference]: Finished difference Result 4093 states and 5002 transitions. [2022-07-12 17:14:31,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-12 17:14:31,134 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 [2022-07-12 17:14:31,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:14:31,141 INFO L225 Difference]: With dead ends: 4093 [2022-07-12 17:14:31,142 INFO L226 Difference]: Without dead ends: 4091 [2022-07-12 17:14:31,143 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 [2022-07-12 17:14:31,143 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 [2022-07-12 17:14:31,143 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] [2022-07-12 17:14:31,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4091 states. [2022-07-12 17:14:31,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4091 to 3835. [2022-07-12 17:14:31,286 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) [2022-07-12 17:14:31,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3835 states to 3835 states and 4653 transitions. [2022-07-12 17:14:31,295 INFO L78 Accepts]: Start accepts. Automaton has 3835 states and 4653 transitions. Word has length 156 [2022-07-12 17:14:31,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:14:31,295 INFO L495 AbstractCegarLoop]: Abstraction has 3835 states and 4653 transitions. [2022-07-12 17:14:31,295 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) [2022-07-12 17:14:31,296 INFO L276 IsEmpty]: Start isEmpty. Operand 3835 states and 4653 transitions. [2022-07-12 17:14:31,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2022-07-12 17:14:31,297 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:14:31,297 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] [2022-07-12 17:14:31,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-07-12 17:14:31,298 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)] === [2022-07-12 17:14:31,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:14:31,298 INFO L85 PathProgramCache]: Analyzing trace with hash -1200520837, now seen corresponding path program 1 times [2022-07-12 17:14:31,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:14:31,298 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91415115] [2022-07-12 17:14:31,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:14:31,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:14:31,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:31,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:14:31,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:31,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:14:31,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:31,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:14:31,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:31,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 17:14:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:31,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 17:14:31,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:31,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-12 17:14:31,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:31,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:31,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:31,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 17:14:31,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:31,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 17:14:31,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:31,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 17:14:31,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:31,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 17:14:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:31,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 17:14:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:31,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-12 17:14:31,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:31,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 17:14:31,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:31,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 17:14:31,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:31,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 17:14:31,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:31,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-12 17:14:31,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:31,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-12 17:14:31,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:31,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-12 17:14:31,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:31,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-12 17:14:31,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:31,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-12 17:14:31,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:31,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-12 17:14:31,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:31,475 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:14:31,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:14:31,476 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91415115] [2022-07-12 17:14:31,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91415115] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:14:31,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:14:31,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:14:31,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902336454] [2022-07-12 17:14:31,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:14:31,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:14:31,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:14:31,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:14:31,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:14:31,478 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) [2022-07-12 17:14:32,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:14:32,737 INFO L93 Difference]: Finished difference Result 3835 states and 4653 transitions. [2022-07-12 17:14:32,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:14:32,737 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 [2022-07-12 17:14:32,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:14:32,746 INFO L225 Difference]: With dead ends: 3835 [2022-07-12 17:14:32,746 INFO L226 Difference]: Without dead ends: 3833 [2022-07-12 17:14:32,748 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 [2022-07-12 17:14:32,748 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 [2022-07-12 17:14:32,748 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] [2022-07-12 17:14:32,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3833 states. [2022-07-12 17:14:32,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3833 to 3833. [2022-07-12 17:14:32,934 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) [2022-07-12 17:14:32,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3833 states to 3833 states and 4650 transitions. [2022-07-12 17:14:32,942 INFO L78 Accepts]: Start accepts. Automaton has 3833 states and 4650 transitions. Word has length 150 [2022-07-12 17:14:32,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:14:32,942 INFO L495 AbstractCegarLoop]: Abstraction has 3833 states and 4650 transitions. [2022-07-12 17:14:32,942 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) [2022-07-12 17:14:32,942 INFO L276 IsEmpty]: Start isEmpty. Operand 3833 states and 4650 transitions. [2022-07-12 17:14:32,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-07-12 17:14:32,944 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:14:32,944 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] [2022-07-12 17:14:32,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-07-12 17:14:32,945 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)] === [2022-07-12 17:14:32,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:14:32,945 INFO L85 PathProgramCache]: Analyzing trace with hash 1309291226, now seen corresponding path program 2 times [2022-07-12 17:14:32,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:14:32,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257373542] [2022-07-12 17:14:32,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:14:32,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:14:32,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:33,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:14:33,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:33,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:14:33,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:33,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:14:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:33,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 17:14:33,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:33,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:33,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:33,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:14:33,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:33,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:14:33,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:33,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 17:14:33,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:33,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 17:14:33,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:33,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:33,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:33,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:14:33,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:33,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:14:33,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:33,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 17:14:33,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:33,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 17:14:33,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:33,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:14:33,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:33,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:14:33,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:33,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 17:14:33,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:33,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 17:14:33,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:33,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:33,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:33,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:14:33,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:33,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 17:14:33,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:33,091 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-07-12 17:14:33,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:14:33,091 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257373542] [2022-07-12 17:14:33,091 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257373542] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:14:33,092 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:14:33,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 17:14:33,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857969813] [2022-07-12 17:14:33,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:14:33,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 17:14:33,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:14:33,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 17:14:33,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-12 17:14:33,093 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) [2022-07-12 17:14:35,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:14:35,428 INFO L93 Difference]: Finished difference Result 4109 states and 5006 transitions. [2022-07-12 17:14:35,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-12 17:14:35,428 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 [2022-07-12 17:14:35,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:14:35,437 INFO L225 Difference]: With dead ends: 4109 [2022-07-12 17:14:35,437 INFO L226 Difference]: Without dead ends: 4107 [2022-07-12 17:14:35,438 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 [2022-07-12 17:14:35,439 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 [2022-07-12 17:14:35,439 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] [2022-07-12 17:14:35,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4107 states. [2022-07-12 17:14:35,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4107 to 3845. [2022-07-12 17:14:35,596 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) [2022-07-12 17:14:35,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3845 states to 3845 states and 4659 transitions. [2022-07-12 17:14:35,605 INFO L78 Accepts]: Start accepts. Automaton has 3845 states and 4659 transitions. Word has length 161 [2022-07-12 17:14:35,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:14:35,605 INFO L495 AbstractCegarLoop]: Abstraction has 3845 states and 4659 transitions. [2022-07-12 17:14:35,605 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) [2022-07-12 17:14:35,605 INFO L276 IsEmpty]: Start isEmpty. Operand 3845 states and 4659 transitions. [2022-07-12 17:14:35,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2022-07-12 17:14:35,607 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:14:35,607 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] [2022-07-12 17:14:35,607 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-07-12 17:14:35,607 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)] === [2022-07-12 17:14:35,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:14:35,608 INFO L85 PathProgramCache]: Analyzing trace with hash -317173186, now seen corresponding path program 1 times [2022-07-12 17:14:35,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:14:35,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120991739] [2022-07-12 17:14:35,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:14:35,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:14:35,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:35,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:14:35,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:35,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:14:35,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:35,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:14:35,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:35,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 17:14:35,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:35,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 17:14:35,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:35,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-12 17:14:35,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:35,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:35,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:35,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 17:14:35,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:35,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 17:14:35,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:35,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 17:14:35,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:35,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 17:14:35,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:35,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 17:14:35,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:35,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-12 17:14:35,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:35,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 17:14:35,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:35,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 17:14:35,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:35,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 17:14:35,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:35,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-12 17:14:35,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:35,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-12 17:14:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:35,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-12 17:14:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:35,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-12 17:14:35,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:35,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-12 17:14:35,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:35,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-12 17:14:35,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:35,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 17:14:35,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:35,762 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:14:35,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:14:35,762 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120991739] [2022-07-12 17:14:35,762 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120991739] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:14:35,762 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:14:35,763 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:14:35,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817817944] [2022-07-12 17:14:35,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:14:35,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:14:35,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:14:35,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:14:35,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:14:35,764 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) [2022-07-12 17:14:37,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:14:37,046 INFO L93 Difference]: Finished difference Result 3845 states and 4659 transitions. [2022-07-12 17:14:37,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:14:37,046 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 [2022-07-12 17:14:37,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:14:37,053 INFO L225 Difference]: With dead ends: 3845 [2022-07-12 17:14:37,053 INFO L226 Difference]: Without dead ends: 3843 [2022-07-12 17:14:37,054 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 [2022-07-12 17:14:37,055 INFO L413 NwaCegarLoop]: 1271 mSDtfsCounter, 1843 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1188 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.1s IncrementalHoareTripleChecker+Time [2022-07-12 17:14:37,055 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2002 Valid, 2688 Invalid, 1984 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1188 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-12 17:14:37,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3843 states. [2022-07-12 17:14:37,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3843 to 3843. [2022-07-12 17:14:37,266 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) [2022-07-12 17:14:37,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3843 states to 3843 states and 4656 transitions. [2022-07-12 17:14:37,277 INFO L78 Accepts]: Start accepts. Automaton has 3843 states and 4656 transitions. Word has length 156 [2022-07-12 17:14:37,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:14:37,277 INFO L495 AbstractCegarLoop]: Abstraction has 3843 states and 4656 transitions. [2022-07-12 17:14:37,278 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) [2022-07-12 17:14:37,278 INFO L276 IsEmpty]: Start isEmpty. Operand 3843 states and 4656 transitions. [2022-07-12 17:14:37,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-07-12 17:14:37,280 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:14:37,280 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] [2022-07-12 17:14:37,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-07-12 17:14:37,281 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)] === [2022-07-12 17:14:37,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:14:37,281 INFO L85 PathProgramCache]: Analyzing trace with hash -1340163979, now seen corresponding path program 1 times [2022-07-12 17:14:37,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:14:37,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111842743] [2022-07-12 17:14:37,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:14:37,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:14:37,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:37,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:14:37,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:37,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:14:37,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:37,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:14:37,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:37,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 17:14:37,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:37,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:37,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:37,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:14:37,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:37,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:14:37,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:37,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 17:14:37,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:37,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 17:14:37,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:37,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:37,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:37,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:14:37,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:37,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:14:37,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:37,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 17:14:37,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:37,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 17:14:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:37,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:14:37,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:37,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:14:37,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:37,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 17:14:37,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:37,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 17:14:37,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:37,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:37,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:37,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:14:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:37,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 17:14:37,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:37,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-12 17:14:37,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:37,440 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2022-07-12 17:14:37,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:14:37,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111842743] [2022-07-12 17:14:37,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111842743] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:14:37,440 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:14:37,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-12 17:14:37,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052488524] [2022-07-12 17:14:37,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:14:37,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 17:14:37,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:14:37,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 17:14:37,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-12 17:14:37,442 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) [2022-07-12 17:14:39,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:14:39,341 INFO L93 Difference]: Finished difference Result 4294 states and 5180 transitions. [2022-07-12 17:14:39,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-12 17:14:39,351 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 [2022-07-12 17:14:39,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:14:39,360 INFO L225 Difference]: With dead ends: 4294 [2022-07-12 17:14:39,360 INFO L226 Difference]: Without dead ends: 4292 [2022-07-12 17:14:39,361 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 [2022-07-12 17:14:39,361 INFO L413 NwaCegarLoop]: 1289 mSDtfsCounter, 2277 mSDsluCounter, 2449 mSDsCounter, 0 mSdLazyCounter, 2531 mSolverCounterSat, 1159 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s 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, 1.6s IncrementalHoareTripleChecker+Time [2022-07-12 17:14:39,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2439 Valid, 3738 Invalid, 3690 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1159 Valid, 2531 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2022-07-12 17:14:39,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4292 states. [2022-07-12 17:14:39,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4292 to 4030. [2022-07-12 17:14:39,545 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) [2022-07-12 17:14:39,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4030 states to 4030 states and 4828 transitions. [2022-07-12 17:14:39,553 INFO L78 Accepts]: Start accepts. Automaton has 4030 states and 4828 transitions. Word has length 165 [2022-07-12 17:14:39,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:14:39,553 INFO L495 AbstractCegarLoop]: Abstraction has 4030 states and 4828 transitions. [2022-07-12 17:14:39,553 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) [2022-07-12 17:14:39,554 INFO L276 IsEmpty]: Start isEmpty. Operand 4030 states and 4828 transitions. [2022-07-12 17:14:39,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-07-12 17:14:39,556 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:14:39,557 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] [2022-07-12 17:14:39,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-07-12 17:14:39,557 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)] === [2022-07-12 17:14:39,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:14:39,557 INFO L85 PathProgramCache]: Analyzing trace with hash -960462947, now seen corresponding path program 1 times [2022-07-12 17:14:39,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:14:39,557 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325654945] [2022-07-12 17:14:39,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:14:39,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:14:39,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:39,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:14:39,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:39,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:14:39,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:39,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:14:39,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:39,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 17:14:39,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:39,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 17:14:39,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:39,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-12 17:14:39,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:39,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:39,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:39,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 17:14:39,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:39,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 17:14:39,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:39,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 17:14:39,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:39,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 17:14:39,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:39,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 17:14:39,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:39,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-12 17:14:39,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:39,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 17:14:39,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:39,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 17:14:39,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:39,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 17:14:39,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:39,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-12 17:14:39,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:39,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-12 17:14:39,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:39,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-12 17:14:39,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:39,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-12 17:14:39,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:39,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-12 17:14:39,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:39,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-12 17:14:39,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:39,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 17:14:39,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:39,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-12 17:14:39,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:39,739 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:14:39,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:14:39,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325654945] [2022-07-12 17:14:39,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325654945] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:14:39,740 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:14:39,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:14:39,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748202027] [2022-07-12 17:14:39,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:14:39,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:14:39,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:14:39,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:14:39,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:14:39,741 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) [2022-07-12 17:14:40,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:14:40,961 INFO L93 Difference]: Finished difference Result 4030 states and 4828 transitions. [2022-07-12 17:14:40,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:14:40,962 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 [2022-07-12 17:14:40,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:14:40,969 INFO L225 Difference]: With dead ends: 4030 [2022-07-12 17:14:40,969 INFO L226 Difference]: Without dead ends: 4028 [2022-07-12 17:14:40,970 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 [2022-07-12 17:14:40,970 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, 1.0s IncrementalHoareTripleChecker+Time [2022-07-12 17:14:40,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1989 Valid, 2684 Invalid, 1980 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1184 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-12 17:14:40,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4028 states. [2022-07-12 17:14:41,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4028 to 4028. [2022-07-12 17:14:41,163 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) [2022-07-12 17:14:41,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4028 states to 4028 states and 4825 transitions. [2022-07-12 17:14:41,169 INFO L78 Accepts]: Start accepts. Automaton has 4028 states and 4825 transitions. Word has length 162 [2022-07-12 17:14:41,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:14:41,170 INFO L495 AbstractCegarLoop]: Abstraction has 4028 states and 4825 transitions. [2022-07-12 17:14:41,170 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) [2022-07-12 17:14:41,170 INFO L276 IsEmpty]: Start isEmpty. Operand 4028 states and 4825 transitions. [2022-07-12 17:14:41,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2022-07-12 17:14:41,172 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:14:41,172 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] [2022-07-12 17:14:41,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-07-12 17:14:41,172 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)] === [2022-07-12 17:14:41,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:14:41,173 INFO L85 PathProgramCache]: Analyzing trace with hash 418258293, now seen corresponding path program 1 times [2022-07-12 17:14:41,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:14:41,173 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184607207] [2022-07-12 17:14:41,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:14:41,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:14:41,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:41,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:14:41,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:41,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:14:41,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:41,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:14:41,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:41,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 17:14:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:41,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:41,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:41,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:14:41,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:41,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:14:41,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:41,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 17:14:41,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:41,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 17:14:41,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:41,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:41,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:41,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:14:41,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:41,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:14:41,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:41,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 17:14:41,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:41,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 17:14:41,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:41,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:14:41,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:41,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:14:41,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:41,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 17:14:41,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:41,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 17:14:41,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:41,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-12 17:14:41,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:41,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2022-07-12 17:14:41,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:41,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:41,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:41,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:14:41,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:41,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:14:41,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:41,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2022-07-12 17:14:41,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:41,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-12 17:14:41,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:41,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2022-07-12 17:14:41,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:41,443 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 6 proven. 23 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2022-07-12 17:14:41,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:14:41,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184607207] [2022-07-12 17:14:41,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184607207] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 17:14:41,443 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1622940052] [2022-07-12 17:14:41,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:14:41,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 17:14:41,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 17:14:41,445 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) [2022-07-12 17:14:41,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-12 17:14:41,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:41,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 1488 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-12 17:14:41,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:14:42,063 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 21 proven. 15 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2022-07-12 17:14:42,063 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 17:14:42,317 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2022-07-12 17:14:42,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1622940052] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 17:14:42,317 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-12 17:14:42,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 7, 7] total 20 [2022-07-12 17:14:42,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327599300] [2022-07-12 17:14:42,318 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-12 17:14:42,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-07-12 17:14:42,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:14:42,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-07-12 17:14:42,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2022-07-12 17:14:42,319 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) [2022-07-12 17:14:47,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:14:47,831 INFO L93 Difference]: Finished difference Result 4408 states and 5289 transitions. [2022-07-12 17:14:47,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-12 17:14:47,831 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 [2022-07-12 17:14:47,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:14:47,842 INFO L225 Difference]: With dead ends: 4408 [2022-07-12 17:14:47,843 INFO L226 Difference]: Without dead ends: 4406 [2022-07-12 17:14:47,845 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 [2022-07-12 17:14:47,845 INFO L413 NwaCegarLoop]: 1193 mSDtfsCounter, 4482 mSDsluCounter, 4864 mSDsCounter, 0 mSdLazyCounter, 10563 mSolverCounterSat, 2473 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s 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, 5.0s IncrementalHoareTripleChecker+Time [2022-07-12 17:14:47,845 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4771 Valid, 6057 Invalid, 13036 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2473 Valid, 10563 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2022-07-12 17:14:47,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4406 states. [2022-07-12 17:14:48,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4406 to 3948. [2022-07-12 17:14:48,030 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) [2022-07-12 17:14:48,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3948 states to 3948 states and 4727 transitions. [2022-07-12 17:14:48,037 INFO L78 Accepts]: Start accepts. Automaton has 3948 states and 4727 transitions. Word has length 172 [2022-07-12 17:14:48,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:14:48,037 INFO L495 AbstractCegarLoop]: Abstraction has 3948 states and 4727 transitions. [2022-07-12 17:14:48,037 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) [2022-07-12 17:14:48,037 INFO L276 IsEmpty]: Start isEmpty. Operand 3948 states and 4727 transitions. [2022-07-12 17:14:48,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-07-12 17:14:48,039 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:14:48,039 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] [2022-07-12 17:14:48,059 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-07-12 17:14:48,240 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 [2022-07-12 17:14:48,240 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)] === [2022-07-12 17:14:48,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:14:48,241 INFO L85 PathProgramCache]: Analyzing trace with hash -997639927, now seen corresponding path program 1 times [2022-07-12 17:14:48,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:14:48,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940365727] [2022-07-12 17:14:48,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:14:48,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:14:48,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:48,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:14:48,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:48,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:14:48,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:48,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:14:48,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:48,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 17:14:48,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:48,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 17:14:48,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:48,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-12 17:14:48,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:48,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:48,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:48,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 17:14:48,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:48,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 17:14:48,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:48,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 17:14:48,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:48,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 17:14:48,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:48,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 17:14:48,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:48,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-12 17:14:48,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:48,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 17:14:48,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:48,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 17:14:48,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:48,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 17:14:48,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:48,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-12 17:14:48,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:48,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-12 17:14:48,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:48,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-12 17:14:48,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:48,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-12 17:14:48,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:48,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-12 17:14:48,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:48,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-12 17:14:48,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:48,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 17:14:48,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:48,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-12 17:14:48,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:48,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 17:14:48,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:48,401 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:14:48,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:14:48,401 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940365727] [2022-07-12 17:14:48,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940365727] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:14:48,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:14:48,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:14:48,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001055516] [2022-07-12 17:14:48,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:14:48,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:14:48,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:14:48,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:14:48,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:14:48,403 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) [2022-07-12 17:14:49,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:14:49,698 INFO L93 Difference]: Finished difference Result 3948 states and 4727 transitions. [2022-07-12 17:14:49,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:14:49,698 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 [2022-07-12 17:14:49,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:14:49,705 INFO L225 Difference]: With dead ends: 3948 [2022-07-12 17:14:49,705 INFO L226 Difference]: Without dead ends: 3946 [2022-07-12 17:14:49,706 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 [2022-07-12 17:14:49,707 INFO L413 NwaCegarLoop]: 1263 mSDtfsCounter, 1819 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1180 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.1s IncrementalHoareTripleChecker+Time [2022-07-12 17:14:49,707 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1976 Valid, 2680 Invalid, 1976 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1180 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-12 17:14:49,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3946 states. [2022-07-12 17:14:49,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3946 to 3946. [2022-07-12 17:14:49,885 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) [2022-07-12 17:14:49,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3946 states to 3946 states and 4724 transitions. [2022-07-12 17:14:49,893 INFO L78 Accepts]: Start accepts. Automaton has 3946 states and 4724 transitions. Word has length 168 [2022-07-12 17:14:49,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:14:49,893 INFO L495 AbstractCegarLoop]: Abstraction has 3946 states and 4724 transitions. [2022-07-12 17:14:49,893 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) [2022-07-12 17:14:49,893 INFO L276 IsEmpty]: Start isEmpty. Operand 3946 states and 4724 transitions. [2022-07-12 17:14:49,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-07-12 17:14:49,896 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:14:49,896 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] [2022-07-12 17:14:49,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-07-12 17:14:49,896 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)] === [2022-07-12 17:14:49,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:14:49,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1151503070, now seen corresponding path program 1 times [2022-07-12 17:14:49,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:14:49,897 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083645488] [2022-07-12 17:14:49,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:14:49,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:14:49,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:49,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:14:49,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:49,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:14:49,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:49,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:14:49,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:49,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 17:14:49,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:49,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 17:14:49,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:49,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-12 17:14:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:49,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:49,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 17:14:49,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:49,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 17:14:49,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:49,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 17:14:49,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:49,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 17:14:49,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:49,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 17:14:49,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:49,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-12 17:14:50,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:50,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 17:14:50,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:50,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 17:14:50,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:50,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 17:14:50,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:50,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-12 17:14:50,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:50,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-12 17:14:50,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:50,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-12 17:14:50,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:50,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-12 17:14:50,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:50,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-12 17:14:50,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:50,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-12 17:14:50,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:50,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 17:14:50,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:50,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-12 17:14:50,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:50,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 17:14:50,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:50,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-12 17:14:50,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:50,047 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:14:50,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:14:50,047 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083645488] [2022-07-12 17:14:50,047 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083645488] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:14:50,047 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:14:50,048 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:14:50,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1176527883] [2022-07-12 17:14:50,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:14:50,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:14:50,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:14:50,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:14:50,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:14:50,049 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) [2022-07-12 17:14:51,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:14:51,355 INFO L93 Difference]: Finished difference Result 3946 states and 4724 transitions. [2022-07-12 17:14:51,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:14:51,355 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 [2022-07-12 17:14:51,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:14:51,379 INFO L225 Difference]: With dead ends: 3946 [2022-07-12 17:14:51,379 INFO L226 Difference]: Without dead ends: 3944 [2022-07-12 17:14:51,380 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 [2022-07-12 17:14:51,381 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 [2022-07-12 17:14:51,381 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] [2022-07-12 17:14:51,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3944 states. [2022-07-12 17:14:51,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3944 to 3944. [2022-07-12 17:14:51,566 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) [2022-07-12 17:14:51,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3944 states to 3944 states and 4721 transitions. [2022-07-12 17:14:51,574 INFO L78 Accepts]: Start accepts. Automaton has 3944 states and 4721 transitions. Word has length 174 [2022-07-12 17:14:51,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:14:51,574 INFO L495 AbstractCegarLoop]: Abstraction has 3944 states and 4721 transitions. [2022-07-12 17:14:51,574 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) [2022-07-12 17:14:51,574 INFO L276 IsEmpty]: Start isEmpty. Operand 3944 states and 4721 transitions. [2022-07-12 17:14:51,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-07-12 17:14:51,577 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:14:51,577 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] [2022-07-12 17:14:51,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-07-12 17:14:51,577 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)] === [2022-07-12 17:14:51,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:14:51,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1321564324, now seen corresponding path program 1 times [2022-07-12 17:14:51,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:14:51,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241707245] [2022-07-12 17:14:51,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:14:51,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:14:51,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:51,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:14:51,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:51,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:14:51,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:51,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:14:51,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:51,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 17:14:51,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:51,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 17:14:51,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:51,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-12 17:14:51,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:51,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:51,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:51,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 17:14:51,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:51,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 17:14:51,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:51,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-12 17:14:51,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:51,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 17:14:51,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:51,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:51,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:51,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:14:51,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:51,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:14:51,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:51,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-12 17:14:51,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:51,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 17:14:51,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:51,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 17:14:51,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:51,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 17:14:51,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:51,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:51,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:51,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:14:51,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:51,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:14:51,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:51,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 17:14:51,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:51,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 17:14:51,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:51,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-12 17:14:51,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:51,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-12 17:14:51,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:51,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-12 17:14:51,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:51,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-12 17:14:51,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:51,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-12 17:14:51,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:51,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:51,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:51,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:14:51,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:51,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:14:51,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:51,814 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2022-07-12 17:14:51,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:14:51,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241707245] [2022-07-12 17:14:51,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241707245] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 17:14:51,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [59389059] [2022-07-12 17:14:51,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:14:51,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 17:14:51,816 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 17:14:51,817 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) [2022-07-12 17:14:51,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-12 17:14:52,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:52,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 1504 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-12 17:14:52,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:14:52,374 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2022-07-12 17:14:52,374 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:14:52,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [59389059] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:14:52,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 17:14:52,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 14 [2022-07-12 17:14:52,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640079911] [2022-07-12 17:14:52,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:14:52,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 17:14:52,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:14:52,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 17:14:52,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2022-07-12 17:14:52,376 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) [2022-07-12 17:14:54,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:14:54,694 INFO L93 Difference]: Finished difference Result 4932 states and 5859 transitions. [2022-07-12 17:14:54,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-12 17:14:54,695 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 [2022-07-12 17:14:54,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:14:54,704 INFO L225 Difference]: With dead ends: 4932 [2022-07-12 17:14:54,704 INFO L226 Difference]: Without dead ends: 4930 [2022-07-12 17:14:54,706 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 [2022-07-12 17:14:54,706 INFO L413 NwaCegarLoop]: 1590 mSDtfsCounter, 1986 mSDsluCounter, 2324 mSDsCounter, 0 mSdLazyCounter, 3922 mSolverCounterSat, 765 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s 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, 2.0s IncrementalHoareTripleChecker+Time [2022-07-12 17:14:54,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2219 Valid, 3914 Invalid, 4687 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [765 Valid, 3922 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-12 17:14:54,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4930 states. [2022-07-12 17:14:54,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4930 to 4506. [2022-07-12 17:14:54,940 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) [2022-07-12 17:14:54,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4506 states to 4506 states and 5408 transitions. [2022-07-12 17:14:54,948 INFO L78 Accepts]: Start accepts. Automaton has 4506 states and 5408 transitions. Word has length 195 [2022-07-12 17:14:54,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:14:54,949 INFO L495 AbstractCegarLoop]: Abstraction has 4506 states and 5408 transitions. [2022-07-12 17:14:54,949 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) [2022-07-12 17:14:54,949 INFO L276 IsEmpty]: Start isEmpty. Operand 4506 states and 5408 transitions. [2022-07-12 17:14:54,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2022-07-12 17:14:54,951 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:14:54,952 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] [2022-07-12 17:14:54,979 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-12 17:14:55,171 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 [2022-07-12 17:14:55,172 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)] === [2022-07-12 17:14:55,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:14:55,172 INFO L85 PathProgramCache]: Analyzing trace with hash 177639198, now seen corresponding path program 1 times [2022-07-12 17:14:55,172 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:14:55,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977236233] [2022-07-12 17:14:55,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:14:55,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:14:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:55,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:14:55,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:55,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:14:55,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:55,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:14:55,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:55,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 17:14:55,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:55,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:55,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:55,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:14:55,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:55,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:14:55,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:55,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 17:14:55,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:55,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 17:14:55,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:55,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:55,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:55,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:14:55,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:55,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:14:55,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:55,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 17:14:55,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:55,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 17:14:55,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:55,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:14:55,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:55,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:14:55,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:55,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 17:14:55,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:55,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2022-07-12 17:14:55,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:55,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:55,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:55,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:14:55,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:55,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 17:14:55,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:55,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 17:14:55,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:55,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-12 17:14:55,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:55,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 17:14:55,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:55,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 17:14:55,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:55,381 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2022-07-12 17:14:55,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:14:55,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977236233] [2022-07-12 17:14:55,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977236233] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:14:55,382 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:14:55,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-07-12 17:14:55,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705166859] [2022-07-12 17:14:55,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:14:55,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-07-12 17:14:55,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:14:55,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-07-12 17:14:55,383 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2022-07-12 17:14:55,383 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) [2022-07-12 17:14:57,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:14:57,749 INFO L93 Difference]: Finished difference Result 4797 states and 5789 transitions. [2022-07-12 17:14:57,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-12 17:14:57,750 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 [2022-07-12 17:14:57,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:14:57,759 INFO L225 Difference]: With dead ends: 4797 [2022-07-12 17:14:57,759 INFO L226 Difference]: Without dead ends: 4795 [2022-07-12 17:14:57,761 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 [2022-07-12 17:14:57,761 INFO L413 NwaCegarLoop]: 1278 mSDtfsCounter, 1904 mSDsluCounter, 3390 mSDsCounter, 0 mSdLazyCounter, 3176 mSolverCounterSat, 1472 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s 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 [2022-07-12 17:14:57,761 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] [2022-07-12 17:14:57,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4795 states. [2022-07-12 17:14:58,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4795 to 4504. [2022-07-12 17:14:58,028 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) [2022-07-12 17:14:58,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4504 states to 4504 states and 5398 transitions. [2022-07-12 17:14:58,035 INFO L78 Accepts]: Start accepts. Automaton has 4504 states and 5398 transitions. Word has length 200 [2022-07-12 17:14:58,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:14:58,036 INFO L495 AbstractCegarLoop]: Abstraction has 4504 states and 5398 transitions. [2022-07-12 17:14:58,036 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) [2022-07-12 17:14:58,036 INFO L276 IsEmpty]: Start isEmpty. Operand 4504 states and 5398 transitions. [2022-07-12 17:14:58,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2022-07-12 17:14:58,038 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:14:58,038 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] [2022-07-12 17:14:58,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-07-12 17:14:58,039 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)] === [2022-07-12 17:14:58,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:14:58,039 INFO L85 PathProgramCache]: Analyzing trace with hash 133438446, now seen corresponding path program 1 times [2022-07-12 17:14:58,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:14:58,039 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328828803] [2022-07-12 17:14:58,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:14:58,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:14:58,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:58,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:14:58,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:58,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:14:58,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:58,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:14:58,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:58,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 17:14:58,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:58,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 17:14:58,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:58,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-12 17:14:58,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:58,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:58,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:58,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 17:14:58,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:58,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 17:14:58,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:58,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 17:14:58,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:58,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 17:14:58,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:58,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 17:14:58,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:58,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-12 17:14:58,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:58,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 17:14:58,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:58,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 17:14:58,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:58,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 17:14:58,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:58,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-12 17:14:58,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:58,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-12 17:14:58,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:58,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-12 17:14:58,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:58,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-12 17:14:58,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:58,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-12 17:14:58,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:58,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-12 17:14:58,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:58,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 17:14:58,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:58,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-12 17:14:58,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:58,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 17:14:58,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:58,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-12 17:14:58,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:58,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-12 17:14:58,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:58,184 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:14:58,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:14:58,184 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328828803] [2022-07-12 17:14:58,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328828803] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:14:58,184 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:14:58,185 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:14:58,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676984505] [2022-07-12 17:14:58,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:14:58,185 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:14:58,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:14:58,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:14:58,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:14:58,186 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) [2022-07-12 17:14:59,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:14:59,465 INFO L93 Difference]: Finished difference Result 4504 states and 5398 transitions. [2022-07-12 17:14:59,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:14:59,466 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 [2022-07-12 17:14:59,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:14:59,474 INFO L225 Difference]: With dead ends: 4504 [2022-07-12 17:14:59,474 INFO L226 Difference]: Without dead ends: 4502 [2022-07-12 17:14:59,475 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 [2022-07-12 17:14:59,476 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 [2022-07-12 17:14:59,476 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] [2022-07-12 17:14:59,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4502 states. [2022-07-12 17:14:59,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4502 to 4502. [2022-07-12 17:14:59,731 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) [2022-07-12 17:14:59,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4502 states to 4502 states and 5395 transitions. [2022-07-12 17:14:59,739 INFO L78 Accepts]: Start accepts. Automaton has 4502 states and 5395 transitions. Word has length 180 [2022-07-12 17:14:59,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:14:59,739 INFO L495 AbstractCegarLoop]: Abstraction has 4502 states and 5395 transitions. [2022-07-12 17:14:59,739 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) [2022-07-12 17:14:59,739 INFO L276 IsEmpty]: Start isEmpty. Operand 4502 states and 5395 transitions. [2022-07-12 17:14:59,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2022-07-12 17:14:59,741 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:14:59,742 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] [2022-07-12 17:14:59,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-07-12 17:14:59,742 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)] === [2022-07-12 17:14:59,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:14:59,742 INFO L85 PathProgramCache]: Analyzing trace with hash 883703373, now seen corresponding path program 1 times [2022-07-12 17:14:59,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:14:59,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084890070] [2022-07-12 17:14:59,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:14:59,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:14:59,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:59,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:14:59,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:59,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:14:59,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:59,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:14:59,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:59,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 17:14:59,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:59,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 17:14:59,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:59,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-12 17:14:59,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:59,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:14:59,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:59,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 17:14:59,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:59,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 17:14:59,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:59,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 17:14:59,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:59,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2022-07-12 17:14:59,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:59,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2022-07-12 17:14:59,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:59,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-12 17:14:59,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:59,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 17:14:59,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:59,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2022-07-12 17:14:59,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:59,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2022-07-12 17:14:59,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:59,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2022-07-12 17:14:59,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:59,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2022-07-12 17:14:59,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:59,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-12 17:14:59,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:59,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-12 17:14:59,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:59,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2022-07-12 17:14:59,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:59,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2022-07-12 17:14:59,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:59,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 17:14:59,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:59,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2022-07-12 17:14:59,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:59,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2022-07-12 17:14:59,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:59,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-12 17:14:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:59,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-12 17:14:59,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:59,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-12 17:14:59,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:14:59,889 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-07-12 17:14:59,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:14:59,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084890070] [2022-07-12 17:14:59,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084890070] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:14:59,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:14:59,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-12 17:14:59,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207852104] [2022-07-12 17:14:59,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:14:59,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:14:59,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:14:59,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:14:59,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-12 17:14:59,890 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) [2022-07-12 17:15:01,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:15:01,245 INFO L93 Difference]: Finished difference Result 4502 states and 5395 transitions. [2022-07-12 17:15:01,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:15:01,246 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 [2022-07-12 17:15:01,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:15:01,253 INFO L225 Difference]: With dead ends: 4502 [2022-07-12 17:15:01,254 INFO L226 Difference]: Without dead ends: 4109 [2022-07-12 17:15:01,255 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 [2022-07-12 17:15:01,255 INFO L413 NwaCegarLoop]: 1254 mSDtfsCounter, 1786 mSDsluCounter, 1417 mSDsCounter, 0 mSdLazyCounter, 1172 mSolverCounterSat, 796 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.1s IncrementalHoareTripleChecker+Time [2022-07-12 17:15:01,256 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1940 Valid, 2671 Invalid, 1968 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [796 Valid, 1172 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-07-12 17:15:01,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4109 states. [2022-07-12 17:15:01,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4109 to 4106. [2022-07-12 17:15:01,521 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) [2022-07-12 17:15:01,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4106 states to 4106 states and 4941 transitions. [2022-07-12 17:15:01,527 INFO L78 Accepts]: Start accepts. Automaton has 4106 states and 4941 transitions. Word has length 186 [2022-07-12 17:15:01,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:15:01,527 INFO L495 AbstractCegarLoop]: Abstraction has 4106 states and 4941 transitions. [2022-07-12 17:15:01,527 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) [2022-07-12 17:15:01,528 INFO L276 IsEmpty]: Start isEmpty. Operand 4106 states and 4941 transitions. [2022-07-12 17:15:01,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2022-07-12 17:15:01,531 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:15:01,531 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] [2022-07-12 17:15:01,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-07-12 17:15:01,531 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)] === [2022-07-12 17:15:01,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:15:01,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1354872773, now seen corresponding path program 1 times [2022-07-12 17:15:01,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:15:01,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180784940] [2022-07-12 17:15:01,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:15:01,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:15:01,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:01,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:15:01,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:01,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:15:01,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:01,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:15:01,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:01,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 17:15:01,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:01,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:01,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:01,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:01,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:01,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:01,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:01,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 17:15:01,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:01,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-12 17:15:01,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:01,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:01,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:01,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:01,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:01,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:01,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:01,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 17:15:01,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:01,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 17:15:01,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:01,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:15:01,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:01,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:15:01,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:01,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 17:15:01,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:01,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2022-07-12 17:15:01,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:01,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2022-07-12 17:15:01,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:01,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2022-07-12 17:15:01,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:01,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-12 17:15:01,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:01,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-12 17:15:01,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:01,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:01,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:01,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-12 17:15:01,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:01,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-12 17:15:01,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:01,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2022-07-12 17:15:01,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:01,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2022-07-12 17:15:01,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:01,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-12 17:15:01,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:01,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-12 17:15:01,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:01,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-12 17:15:01,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:01,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-12 17:15:01,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:01,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2022-07-12 17:15:01,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:01,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2022-07-12 17:15:01,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:01,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-12 17:15:01,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:01,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2022-07-12 17:15:01,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:01,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-12 17:15:01,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:01,848 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2022-07-12 17:15:01,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:15:01,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180784940] [2022-07-12 17:15:01,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180784940] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 17:15:01,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [800984705] [2022-07-12 17:15:01,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:15:01,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 17:15:01,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 17:15:01,856 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) [2022-07-12 17:15:01,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-12 17:15:02,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:02,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 1541 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-12 17:15:02,287 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:15:02,535 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-07-12 17:15:02,535 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:15:02,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [800984705] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:15:02,535 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 17:15:02,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [17] total 20 [2022-07-12 17:15:02,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142807710] [2022-07-12 17:15:02,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:15:02,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-12 17:15:02,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:15:02,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-12 17:15:02,536 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=338, Unknown=0, NotChecked=0, Total=380 [2022-07-12 17:15:02,536 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) [2022-07-12 17:15:03,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:15:03,859 INFO L93 Difference]: Finished difference Result 4106 states and 4941 transitions. [2022-07-12 17:15:03,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:15:03,860 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 [2022-07-12 17:15:03,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:15:03,867 INFO L225 Difference]: With dead ends: 4106 [2022-07-12 17:15:03,868 INFO L226 Difference]: Without dead ends: 3827 [2022-07-12 17:15:03,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 326 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2022-07-12 17:15:03,869 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, 1.0s IncrementalHoareTripleChecker+Time [2022-07-12 17:15:03,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1289 Valid, 2548 Invalid, 2313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [434 Valid, 1879 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-07-12 17:15:03,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3827 states. [2022-07-12 17:15:04,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3827 to 3604. [2022-07-12 17:15:04,062 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) [2022-07-12 17:15:04,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3604 states to 3604 states and 4371 transitions. [2022-07-12 17:15:04,068 INFO L78 Accepts]: Start accepts. Automaton has 3604 states and 4371 transitions. Word has length 243 [2022-07-12 17:15:04,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:15:04,069 INFO L495 AbstractCegarLoop]: Abstraction has 3604 states and 4371 transitions. [2022-07-12 17:15:04,069 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) [2022-07-12 17:15:04,069 INFO L276 IsEmpty]: Start isEmpty. Operand 3604 states and 4371 transitions. [2022-07-12 17:15:04,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2022-07-12 17:15:04,073 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:15:04,074 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] [2022-07-12 17:15:04,094 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-07-12 17:15:04,274 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 [2022-07-12 17:15:04,274 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)] === [2022-07-12 17:15:04,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:15:04,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1417287744, now seen corresponding path program 1 times [2022-07-12 17:15:04,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:15:04,275 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493964635] [2022-07-12 17:15:04,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:15:04,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:15:04,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:15:04,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:15:04,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:15:04,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 17:15:04,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 17:15:04,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-12 17:15:04,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:04,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 17:15:04,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 17:15:04,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-12 17:15:04,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 17:15:04,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:04,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:04,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:04,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-12 17:15:04,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 17:15:04,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 17:15:04,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-12 17:15:04,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:04,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:04,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:04,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-12 17:15:04,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:04,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:04,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:04,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-12 17:15:04,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:04,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:04,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:04,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-12 17:15:04,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 17:15:04,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-12 17:15:04,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-12 17:15:04,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-12 17:15:04,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:04,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:04,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:04,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-12 17:15:04,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-12 17:15:04,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:04,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:04,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:04,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-12 17:15:04,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-12 17:15:04,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-12 17:15:04,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-12 17:15:04,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 17:15:04,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:15:04,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:15:04,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 17:15:04,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-12 17:15:04,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:04,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:04,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:04,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:04,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 17:15:04,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-12 17:15:04,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:04,672 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 828 trivial. 0 not checked. [2022-07-12 17:15:04,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:15:04,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493964635] [2022-07-12 17:15:04,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493964635] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 17:15:04,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1713016038] [2022-07-12 17:15:04,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:15:04,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 17:15:04,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 17:15:04,674 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) [2022-07-12 17:15:04,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-12 17:15:05,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:05,156 INFO L263 TraceCheckSpWp]: Trace formula consists of 2187 conjuncts, 21 conjunts are in the unsatisfiable core [2022-07-12 17:15:05,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:15:05,532 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 829 trivial. 0 not checked. [2022-07-12 17:15:05,532 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 17:15:05,979 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 832 trivial. 0 not checked. [2022-07-12 17:15:05,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1713016038] provided 1 perfect and 1 imperfect interpolant sequences [2022-07-12 17:15:05,979 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-07-12 17:15:05,979 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15, 7] total 23 [2022-07-12 17:15:05,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991900193] [2022-07-12 17:15:05,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:15:05,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-12 17:15:05,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:15:05,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-12 17:15:05,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=454, Unknown=0, NotChecked=0, Total=506 [2022-07-12 17:15:05,981 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) [2022-07-12 17:15:09,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:15:09,521 INFO L93 Difference]: Finished difference Result 6373 states and 7963 transitions. [2022-07-12 17:15:09,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-12 17:15:09,522 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 [2022-07-12 17:15:09,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:15:09,539 INFO L225 Difference]: With dead ends: 6373 [2022-07-12 17:15:09,539 INFO L226 Difference]: Without dead ends: 6371 [2022-07-12 17:15:09,542 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 [2022-07-12 17:15:09,543 INFO L413 NwaCegarLoop]: 1462 mSDtfsCounter, 3346 mSDsluCounter, 2838 mSDsCounter, 0 mSdLazyCounter, 4376 mSolverCounterSat, 2034 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s 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, 3.0s IncrementalHoareTripleChecker+Time [2022-07-12 17:15:09,543 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3450 Valid, 4300 Invalid, 6410 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2034 Valid, 4376 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-07-12 17:15:09,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6371 states. [2022-07-12 17:15:09,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6371 to 5064. [2022-07-12 17:15:09,902 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) [2022-07-12 17:15:09,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5064 states to 5064 states and 6120 transitions. [2022-07-12 17:15:09,910 INFO L78 Accepts]: Start accepts. Automaton has 5064 states and 6120 transitions. Word has length 361 [2022-07-12 17:15:09,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:15:09,910 INFO L495 AbstractCegarLoop]: Abstraction has 5064 states and 6120 transitions. [2022-07-12 17:15:09,911 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) [2022-07-12 17:15:09,911 INFO L276 IsEmpty]: Start isEmpty. Operand 5064 states and 6120 transitions. [2022-07-12 17:15:09,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2022-07-12 17:15:09,916 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:15:09,917 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] [2022-07-12 17:15:09,938 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-07-12 17:15:10,117 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 [2022-07-12 17:15:10,117 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)] === [2022-07-12 17:15:10,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:15:10,118 INFO L85 PathProgramCache]: Analyzing trace with hash 444150498, now seen corresponding path program 1 times [2022-07-12 17:15:10,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:15:10,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413878139] [2022-07-12 17:15:10,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:15:10,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:15:10,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:15:10,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:15:10,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:15:10,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 17:15:10,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 17:15:10,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-12 17:15:10,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:10,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 17:15:10,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 17:15:10,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-12 17:15:10,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 17:15:10,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:10,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:10,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:10,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-12 17:15:10,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 17:15:10,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 17:15:10,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 17:15:10,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:10,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:10,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:10,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 17:15:10,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 17:15:10,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-12 17:15:10,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-12 17:15:10,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-12 17:15:10,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-12 17:15:10,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2022-07-12 17:15:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:10,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:10,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:10,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2022-07-12 17:15:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:10,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:10,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:10,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-12 17:15:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:10,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:10,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:10,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-12 17:15:10,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-12 17:15:10,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-12 17:15:10,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2022-07-12 17:15:10,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 17:15:10,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:10,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:10,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-12 17:15:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-12 17:15:10,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:10,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:10,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:10,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-12 17:15:10,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 314 [2022-07-12 17:15:10,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-12 17:15:10,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-12 17:15:10,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 17:15:10,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:15:10,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:15:10,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 17:15:10,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2022-07-12 17:15:10,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:10,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:10,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:10,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:10,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 17:15:10,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-12 17:15:10,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:10,576 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1184 trivial. 0 not checked. [2022-07-12 17:15:10,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:15:10,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413878139] [2022-07-12 17:15:10,576 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413878139] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 17:15:10,576 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [679333759] [2022-07-12 17:15:10,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:15:10,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 17:15:10,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 17:15:10,578 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) [2022-07-12 17:15:10,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-07-12 17:15:11,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:11,112 INFO L263 TraceCheckSpWp]: Trace formula consists of 2477 conjuncts, 6 conjunts are in the unsatisfiable core [2022-07-12 17:15:11,118 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:15:11,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 644 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2022-07-12 17:15:11,180 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:15:11,180 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [679333759] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:15:11,181 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 17:15:11,181 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15] total 18 [2022-07-12 17:15:11,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267643643] [2022-07-12 17:15:11,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:15:11,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 17:15:11,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:15:11,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 17:15:11,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=270, Unknown=0, NotChecked=0, Total=306 [2022-07-12 17:15:11,184 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) [2022-07-12 17:15:11,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:15:11,536 INFO L93 Difference]: Finished difference Result 7550 states and 9094 transitions. [2022-07-12 17:15:11,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 17:15:11,537 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 [2022-07-12 17:15:11,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:15:11,549 INFO L225 Difference]: With dead ends: 7550 [2022-07-12 17:15:11,549 INFO L226 Difference]: Without dead ends: 4715 [2022-07-12 17:15:11,556 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 [2022-07-12 17:15:11,556 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, 0.1s IncrementalHoareTripleChecker+Time [2022-07-12 17:15:11,556 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 4733 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-12 17:15:11,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4715 states. [2022-07-12 17:15:11,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4715 to 4715. [2022-07-12 17:15:11,890 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) [2022-07-12 17:15:11,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4715 states to 4715 states and 5659 transitions. [2022-07-12 17:15:11,899 INFO L78 Accepts]: Start accepts. Automaton has 4715 states and 5659 transitions. Word has length 422 [2022-07-12 17:15:11,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:15:11,900 INFO L495 AbstractCegarLoop]: Abstraction has 4715 states and 5659 transitions. [2022-07-12 17:15:11,900 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) [2022-07-12 17:15:11,900 INFO L276 IsEmpty]: Start isEmpty. Operand 4715 states and 5659 transitions. [2022-07-12 17:15:11,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2022-07-12 17:15:11,906 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:15:11,907 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] [2022-07-12 17:15:11,930 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-07-12 17:15:12,123 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 [2022-07-12 17:15:12,124 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)] === [2022-07-12 17:15:12,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:15:12,124 INFO L85 PathProgramCache]: Analyzing trace with hash -2127070789, now seen corresponding path program 1 times [2022-07-12 17:15:12,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:15:12,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032871189] [2022-07-12 17:15:12,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:15:12,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:15:12,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:15:12,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:15:12,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:15:12,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 17:15:12,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 17:15:12,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-12 17:15:12,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:12,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 17:15:12,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 17:15:12,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-12 17:15:12,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 17:15:12,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:12,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:12,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:12,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-12 17:15:12,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 17:15:12,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 17:15:12,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-12 17:15:12,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:12,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:12,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:12,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-12 17:15:12,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:12,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:12,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:12,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-12 17:15:12,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:12,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:12,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:12,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-12 17:15:12,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 17:15:12,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-12 17:15:12,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-12 17:15:12,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-12 17:15:12,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:12,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:12,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:12,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-12 17:15:12,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-12 17:15:12,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:12,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:12,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:12,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-12 17:15:12,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-12 17:15:12,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-12 17:15:12,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-12 17:15:12,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 17:15:12,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:15:12,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:15:12,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 17:15:12,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-12 17:15:12,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:12,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:12,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:12,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:12,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 17:15:12,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-12 17:15:12,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 17:15:12,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:15:12,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:15:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 17:15:12,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-07-12 17:15:12,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:12,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:12,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 17:15:12,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-12 17:15:12,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:12,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:12,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-12 17:15:12,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:12,570 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 957 trivial. 0 not checked. [2022-07-12 17:15:12,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:15:12,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032871189] [2022-07-12 17:15:12,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032871189] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 17:15:12,570 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [673251226] [2022-07-12 17:15:12,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:15:12,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 17:15:12,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 17:15:12,572 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) [2022-07-12 17:15:12,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-07-12 17:15:13,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:13,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 2524 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-12 17:15:13,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:15:13,143 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 844 trivial. 0 not checked. [2022-07-12 17:15:13,143 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:15:13,143 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [673251226] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:15:13,143 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 17:15:13,143 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [15] total 17 [2022-07-12 17:15:13,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993609643] [2022-07-12 17:15:13,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:15:13,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 17:15:13,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:15:13,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 17:15:13,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2022-07-12 17:15:13,145 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) [2022-07-12 17:15:13,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:15:13,642 INFO L93 Difference]: Finished difference Result 8255 states and 9959 transitions. [2022-07-12 17:15:13,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-12 17:15:13,644 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 [2022-07-12 17:15:13,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:15:13,656 INFO L225 Difference]: With dead ends: 8255 [2022-07-12 17:15:13,657 INFO L226 Difference]: Without dead ends: 5046 [2022-07-12 17:15:13,663 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 [2022-07-12 17:15:13,664 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 [2022-07-12 17:15:13,664 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] [2022-07-12 17:15:13,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5046 states. [2022-07-12 17:15:13,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5046 to 4847. [2022-07-12 17:15:13,969 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) [2022-07-12 17:15:13,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4847 states to 4847 states and 5847 transitions. [2022-07-12 17:15:13,979 INFO L78 Accepts]: Start accepts. Automaton has 4847 states and 5847 transitions. Word has length 440 [2022-07-12 17:15:13,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:15:13,979 INFO L495 AbstractCegarLoop]: Abstraction has 4847 states and 5847 transitions. [2022-07-12 17:15:13,979 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) [2022-07-12 17:15:13,979 INFO L276 IsEmpty]: Start isEmpty. Operand 4847 states and 5847 transitions. [2022-07-12 17:15:13,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2022-07-12 17:15:13,984 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:15:13,984 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] [2022-07-12 17:15:14,004 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-07-12 17:15:14,185 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 [2022-07-12 17:15:14,185 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)] === [2022-07-12 17:15:14,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:15:14,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1111165305, now seen corresponding path program 1 times [2022-07-12 17:15:14,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:15:14,186 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790986764] [2022-07-12 17:15:14,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:15:14,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:15:14,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:15:14,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:15:14,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:15:14,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 17:15:14,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 17:15:14,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-12 17:15:14,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:14,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 17:15:14,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 17:15:14,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-12 17:15:14,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 17:15:14,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:14,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:14,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:14,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-12 17:15:14,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 17:15:14,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 17:15:14,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-12 17:15:14,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:14,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:14,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:14,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-12 17:15:14,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:14,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:14,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-12 17:15:14,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:14,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:14,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:14,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-12 17:15:14,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 17:15:14,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-12 17:15:14,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-12 17:15:14,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-12 17:15:14,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:14,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:14,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-12 17:15:14,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-12 17:15:14,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:14,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:14,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:14,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-12 17:15:14,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-12 17:15:14,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-12 17:15:14,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-12 17:15:14,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 17:15:14,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:15:14,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:15:14,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 17:15:14,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-12 17:15:14,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:14,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:14,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:14,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:14,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 17:15:14,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-12 17:15:14,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 17:15:14,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:15:14,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:15:14,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 17:15:14,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-07-12 17:15:14,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:14,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 17:15:14,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-12 17:15:14,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:14,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:14,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-12 17:15:14,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:14,605 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 957 trivial. 0 not checked. [2022-07-12 17:15:14,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:15:14,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790986764] [2022-07-12 17:15:14,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790986764] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 17:15:14,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2078761201] [2022-07-12 17:15:14,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:15:14,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 17:15:14,606 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 17:15:14,608 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) [2022-07-12 17:15:14,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-07-12 17:15:15,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:15,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 2519 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-12 17:15:15,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:15:15,182 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2022-07-12 17:15:15,182 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:15:15,182 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2078761201] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:15:15,182 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 17:15:15,183 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [15] total 17 [2022-07-12 17:15:15,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636676316] [2022-07-12 17:15:15,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:15:15,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-12 17:15:15,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:15:15,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-12 17:15:15,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2022-07-12 17:15:15,184 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) [2022-07-12 17:15:15,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:15:15,649 INFO L93 Difference]: Finished difference Result 5846 states and 7314 transitions. [2022-07-12 17:15:15,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 17:15:15,650 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 [2022-07-12 17:15:15,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:15:15,665 INFO L225 Difference]: With dead ends: 5846 [2022-07-12 17:15:15,665 INFO L226 Difference]: Without dead ends: 5844 [2022-07-12 17:15:15,668 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 [2022-07-12 17:15:15,668 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 [2022-07-12 17:15:15,668 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] [2022-07-12 17:15:15,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5844 states. [2022-07-12 17:15:16,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5844 to 4855. [2022-07-12 17:15:16,027 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) [2022-07-12 17:15:16,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4855 states to 4855 states and 5855 transitions. [2022-07-12 17:15:16,034 INFO L78 Accepts]: Start accepts. Automaton has 4855 states and 5855 transitions. Word has length 440 [2022-07-12 17:15:16,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:15:16,034 INFO L495 AbstractCegarLoop]: Abstraction has 4855 states and 5855 transitions. [2022-07-12 17:15:16,034 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) [2022-07-12 17:15:16,035 INFO L276 IsEmpty]: Start isEmpty. Operand 4855 states and 5855 transitions. [2022-07-12 17:15:16,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 441 [2022-07-12 17:15:16,039 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:15:16,040 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] [2022-07-12 17:15:16,059 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-07-12 17:15:16,240 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 [2022-07-12 17:15:16,241 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)] === [2022-07-12 17:15:16,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:15:16,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1111105723, now seen corresponding path program 1 times [2022-07-12 17:15:16,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:15:16,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464544061] [2022-07-12 17:15:16,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:15:16,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:15:16,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:15:16,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:15:16,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:15:16,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 17:15:16,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 17:15:16,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-12 17:15:16,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:16,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 17:15:16,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 17:15:16,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-12 17:15:16,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 17:15:16,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:16,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:16,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:16,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-12 17:15:16,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 17:15:16,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 17:15:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2022-07-12 17:15:16,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:16,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:16,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:16,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2022-07-12 17:15:16,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:16,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:16,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:16,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-12 17:15:16,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:16,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:16,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:16,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2022-07-12 17:15:16,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-12 17:15:16,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2022-07-12 17:15:16,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2022-07-12 17:15:16,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2022-07-12 17:15:16,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:16,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:16,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:16,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-12 17:15:16,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-12 17:15:16,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:16,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:16,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:16,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-12 17:15:16,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2022-07-12 17:15:16,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2022-07-12 17:15:16,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2022-07-12 17:15:16,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 17:15:16,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:15:16,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:15:16,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 17:15:16,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2022-07-12 17:15:16,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:16,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:16,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:16,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:16,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 17:15:16,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2022-07-12 17:15:16,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 17:15:16,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:15:16,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:15:16,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 17:15:16,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-07-12 17:15:16,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:16,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:16,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 17:15:16,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-12 17:15:16,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:16,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:16,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2022-07-12 17:15:16,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:16,607 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 957 trivial. 0 not checked. [2022-07-12 17:15:16,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:15:16,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1464544061] [2022-07-12 17:15:16,607 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1464544061] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 17:15:16,607 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2076901883] [2022-07-12 17:15:16,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:15:16,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 17:15:16,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 17:15:16,609 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) [2022-07-12 17:15:16,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-07-12 17:15:17,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:17,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 2518 conjuncts, 14 conjunts are in the unsatisfiable core [2022-07-12 17:15:17,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:15:17,524 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 845 trivial. 0 not checked. [2022-07-12 17:15:17,525 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:15:17,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2076901883] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:15:17,525 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-12 17:15:17,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [15] total 19 [2022-07-12 17:15:17,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415335975] [2022-07-12 17:15:17,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:15:17,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-12 17:15:17,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:15:17,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-12 17:15:17,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=299, Unknown=0, NotChecked=0, Total=342 [2022-07-12 17:15:17,528 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) [2022-07-12 17:15:18,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:15:18,406 INFO L93 Difference]: Finished difference Result 9208 states and 11082 transitions. [2022-07-12 17:15:18,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-12 17:15:18,410 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 [2022-07-12 17:15:18,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:15:18,419 INFO L225 Difference]: With dead ends: 9208 [2022-07-12 17:15:18,419 INFO L226 Difference]: Without dead ends: 5193 [2022-07-12 17:15:18,425 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 585 GetRequests, 566 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2022-07-12 17:15:18,426 INFO L413 NwaCegarLoop]: 1311 mSDtfsCounter, 250 mSDsluCounter, 2084 mSDsCounter, 0 mSdLazyCounter, 756 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.5s IncrementalHoareTripleChecker+Time [2022-07-12 17:15:18,426 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 3395 Invalid, 759 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 756 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-12 17:15:18,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5193 states. [2022-07-12 17:15:18,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5193 to 5190. [2022-07-12 17:15:18,752 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) [2022-07-12 17:15:18,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5190 states to 5190 states and 6262 transitions. [2022-07-12 17:15:18,762 INFO L78 Accepts]: Start accepts. Automaton has 5190 states and 6262 transitions. Word has length 440 [2022-07-12 17:15:18,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:15:18,763 INFO L495 AbstractCegarLoop]: Abstraction has 5190 states and 6262 transitions. [2022-07-12 17:15:18,763 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) [2022-07-12 17:15:18,763 INFO L276 IsEmpty]: Start isEmpty. Operand 5190 states and 6262 transitions. [2022-07-12 17:15:18,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 471 [2022-07-12 17:15:18,770 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:15:18,770 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] [2022-07-12 17:15:18,790 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-07-12 17:15:18,970 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 [2022-07-12 17:15:18,971 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)] === [2022-07-12 17:15:18,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:15:18,971 INFO L85 PathProgramCache]: Analyzing trace with hash -845113554, now seen corresponding path program 1 times [2022-07-12 17:15:18,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:15:18,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476308986] [2022-07-12 17:15:18,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:15:18,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:15:19,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:15:19,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:15:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:15:19,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 17:15:19,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:19,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:19,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:19,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 17:15:19,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-12 17:15:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 17:15:19,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 17:15:19,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:19,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-12 17:15:19,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 17:15:19,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-12 17:15:19,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-12 17:15:19,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:19,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:19,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:19,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-12 17:15:19,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-12 17:15:19,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-12 17:15:19,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-12 17:15:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:19,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:19,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:19,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 17:15:19,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:19,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:19,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:19,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-12 17:15:19,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:19,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:19,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-12 17:15:19,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-12 17:15:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-12 17:15:19,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-12 17:15:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-12 17:15:19,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:19,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:19,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:19,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-12 17:15:19,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 17:15:19,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:19,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:19,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:19,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-12 17:15:19,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-12 17:15:19,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-12 17:15:19,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-12 17:15:19,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 17:15:19,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:15:19,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:15:19,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 17:15:19,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-12 17:15:19,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:19,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:19,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:19,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:19,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 17:15:19,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 380 [2022-07-12 17:15:19,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 17:15:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:15:19,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:15:19,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 17:15:19,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2022-07-12 17:15:19,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:19,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:19,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 17:15:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2022-07-12 17:15:19,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:19,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:19,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2022-07-12 17:15:19,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:19,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1232 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1232 trivial. 0 not checked. [2022-07-12 17:15:19,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:15:19,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476308986] [2022-07-12 17:15:19,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476308986] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:15:19,316 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:15:19,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-12 17:15:19,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145389996] [2022-07-12 17:15:19,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:15:19,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-12 17:15:19,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:15:19,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-12 17:15:19,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-07-12 17:15:19,318 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) [2022-07-12 17:15:21,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:15:21,903 INFO L93 Difference]: Finished difference Result 9496 states and 11620 transitions. [2022-07-12 17:15:21,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-12 17:15:21,904 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 [2022-07-12 17:15:21,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:15:21,920 INFO L225 Difference]: With dead ends: 9496 [2022-07-12 17:15:21,921 INFO L226 Difference]: Without dead ends: 6147 [2022-07-12 17:15:21,932 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 [2022-07-12 17:15:21,933 INFO L413 NwaCegarLoop]: 1299 mSDtfsCounter, 2374 mSDsluCounter, 3996 mSDsCounter, 0 mSdLazyCounter, 2395 mSolverCounterSat, 1950 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s 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, 2.0s IncrementalHoareTripleChecker+Time [2022-07-12 17:15:21,933 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2420 Valid, 5295 Invalid, 4345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1950 Valid, 2395 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2022-07-12 17:15:21,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6147 states. [2022-07-12 17:15:22,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6147 to 5218. [2022-07-12 17:15:22,343 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) [2022-07-12 17:15:22,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5218 states to 5218 states and 6306 transitions. [2022-07-12 17:15:22,351 INFO L78 Accepts]: Start accepts. Automaton has 5218 states and 6306 transitions. Word has length 470 [2022-07-12 17:15:22,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:15:22,352 INFO L495 AbstractCegarLoop]: Abstraction has 5218 states and 6306 transitions. [2022-07-12 17:15:22,352 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) [2022-07-12 17:15:22,352 INFO L276 IsEmpty]: Start isEmpty. Operand 5218 states and 6306 transitions. [2022-07-12 17:15:22,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 478 [2022-07-12 17:15:22,358 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:15:22,358 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] [2022-07-12 17:15:22,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2022-07-12 17:15:22,359 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)] === [2022-07-12 17:15:22,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:15:22,359 INFO L85 PathProgramCache]: Analyzing trace with hash -510338210, now seen corresponding path program 1 times [2022-07-12 17:15:22,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:15:22,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401915608] [2022-07-12 17:15:22,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:15:22,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:15:22,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:15:22,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:15:22,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:15:22,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 17:15:22,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:22,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:22,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:22,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 17:15:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-12 17:15:22,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 17:15:22,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 17:15:22,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:22,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-12 17:15:22,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 17:15:22,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-12 17:15:22,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-12 17:15:22,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:22,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:22,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:22,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-12 17:15:22,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-12 17:15:22,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-12 17:15:22,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-12 17:15:22,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:22,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:22,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:22,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 17:15:22,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:22,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:22,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-12 17:15:22,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:22,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:22,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:22,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-12 17:15:22,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-12 17:15:22,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-12 17:15:22,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-12 17:15:22,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-12 17:15:22,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:22,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:22,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:22,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-12 17:15:22,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 17:15:22,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:22,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:22,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:22,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-12 17:15:22,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-12 17:15:22,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-12 17:15:22,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-12 17:15:22,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 17:15:22,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:15:22,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:15:22,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 17:15:22,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-12 17:15:22,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-12 17:15:22,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:22,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:22,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:22,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:22,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 17:15:22,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-12 17:15:22,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 17:15:22,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:15:22,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:15:22,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 17:15:22,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-12 17:15:22,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:22,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:22,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 17:15:22,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-07-12 17:15:22,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:22,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:22,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-07-12 17:15:22,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:22,799 INFO L134 CoverageAnalysis]: Checked inductivity of 1232 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1232 trivial. 0 not checked. [2022-07-12 17:15:22,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:15:22,800 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401915608] [2022-07-12 17:15:22,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401915608] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:15:22,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:15:22,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-12 17:15:22,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905500614] [2022-07-12 17:15:22,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:15:22,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-12 17:15:22,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:15:22,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-12 17:15:22,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2022-07-12 17:15:22,802 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) [2022-07-12 17:15:26,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:15:26,301 INFO L93 Difference]: Finished difference Result 9645 states and 11701 transitions. [2022-07-12 17:15:26,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-12 17:15:26,302 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 [2022-07-12 17:15:26,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:15:26,312 INFO L225 Difference]: With dead ends: 9645 [2022-07-12 17:15:26,313 INFO L226 Difference]: Without dead ends: 6268 [2022-07-12 17:15:26,318 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 [2022-07-12 17:15:26,318 INFO L413 NwaCegarLoop]: 1345 mSDtfsCounter, 4028 mSDsluCounter, 5809 mSDsCounter, 0 mSdLazyCounter, 4527 mSolverCounterSat, 2534 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s 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, 2.8s IncrementalHoareTripleChecker+Time [2022-07-12 17:15:26,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4142 Valid, 7154 Invalid, 7061 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2534 Valid, 4527 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-07-12 17:15:26,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6268 states. [2022-07-12 17:15:26,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6268 to 5355. [2022-07-12 17:15:26,685 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) [2022-07-12 17:15:26,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5355 states to 5355 states and 6416 transitions. [2022-07-12 17:15:26,695 INFO L78 Accepts]: Start accepts. Automaton has 5355 states and 6416 transitions. Word has length 477 [2022-07-12 17:15:26,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:15:26,696 INFO L495 AbstractCegarLoop]: Abstraction has 5355 states and 6416 transitions. [2022-07-12 17:15:26,696 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) [2022-07-12 17:15:26,696 INFO L276 IsEmpty]: Start isEmpty. Operand 5355 states and 6416 transitions. [2022-07-12 17:15:26,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2022-07-12 17:15:26,703 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:15:26,703 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] [2022-07-12 17:15:26,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2022-07-12 17:15:26,703 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)] === [2022-07-12 17:15:26,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:15:26,704 INFO L85 PathProgramCache]: Analyzing trace with hash -461320862, now seen corresponding path program 1 times [2022-07-12 17:15:26,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:15:26,704 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964282135] [2022-07-12 17:15:26,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:15:26,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:15:26,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:15:26,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:15:26,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:15:26,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 17:15:26,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:26,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:26,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:26,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 17:15:26,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-12 17:15:26,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 17:15:26,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 17:15:26,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:26,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-12 17:15:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 17:15:26,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-12 17:15:26,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-12 17:15:26,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:26,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:26,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:26,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-12 17:15:26,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-12 17:15:26,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-12 17:15:26,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-12 17:15:26,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:26,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:26,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 17:15:26,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:26,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:26,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-12 17:15:26,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:26,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:26,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:26,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-12 17:15:26,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-12 17:15:26,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-12 17:15:26,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-12 17:15:26,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-12 17:15:26,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:26,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:26,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:26,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-12 17:15:26,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 17:15:26,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:26,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:26,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:26,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-12 17:15:26,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-12 17:15:26,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-12 17:15:26,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-12 17:15:26,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 17:15:26,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:15:26,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:15:26,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 17:15:26,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-12 17:15:26,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-12 17:15:26,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:26,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:26,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:27,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:27,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:27,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:27,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:27,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:27,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:27,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 17:15:27,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:27,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-12 17:15:27,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:27,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 17:15:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:27,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:15:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:27,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:15:27,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:27,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 17:15:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:27,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-12 17:15:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:27,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:27,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:27,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:27,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 17:15:27,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:27,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-07-12 17:15:27,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:27,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:27,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:27,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:27,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:27,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-07-12 17:15:27,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:27,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1232 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1232 trivial. 0 not checked. [2022-07-12 17:15:27,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:15:27,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964282135] [2022-07-12 17:15:27,064 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964282135] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:15:27,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:15:27,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-12 17:15:27,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352750370] [2022-07-12 17:15:27,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:15:27,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-12 17:15:27,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:15:27,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-12 17:15:27,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-07-12 17:15:27,065 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) [2022-07-12 17:15:28,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:15:28,899 INFO L93 Difference]: Finished difference Result 9319 states and 11125 transitions. [2022-07-12 17:15:28,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-12 17:15:28,900 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 [2022-07-12 17:15:28,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:15:28,912 INFO L225 Difference]: With dead ends: 9319 [2022-07-12 17:15:28,912 INFO L226 Difference]: Without dead ends: 5660 [2022-07-12 17:15:28,920 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 [2022-07-12 17:15:28,920 INFO L413 NwaCegarLoop]: 1128 mSDtfsCounter, 3474 mSDsluCounter, 2388 mSDsCounter, 0 mSdLazyCounter, 1180 mSolverCounterSat, 2349 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s 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, 1.3s IncrementalHoareTripleChecker+Time [2022-07-12 17:15:28,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3597 Valid, 3516 Invalid, 3529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2349 Valid, 1180 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-07-12 17:15:28,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5660 states. [2022-07-12 17:15:29,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5660 to 5345. [2022-07-12 17:15:29,301 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) [2022-07-12 17:15:29,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5345 states to 5345 states and 6399 transitions. [2022-07-12 17:15:29,312 INFO L78 Accepts]: Start accepts. Automaton has 5345 states and 6399 transitions. Word has length 481 [2022-07-12 17:15:29,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:15:29,313 INFO L495 AbstractCegarLoop]: Abstraction has 5345 states and 6399 transitions. [2022-07-12 17:15:29,313 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) [2022-07-12 17:15:29,313 INFO L276 IsEmpty]: Start isEmpty. Operand 5345 states and 6399 transitions. [2022-07-12 17:15:29,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2022-07-12 17:15:29,320 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:15:29,320 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] [2022-07-12 17:15:29,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2022-07-12 17:15:29,320 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)] === [2022-07-12 17:15:29,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:15:29,321 INFO L85 PathProgramCache]: Analyzing trace with hash 935171739, now seen corresponding path program 1 times [2022-07-12 17:15:29,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:15:29,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854682231] [2022-07-12 17:15:29,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:15:29,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:15:29,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:15:29,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:15:29,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:15:29,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 17:15:29,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 17:15:29,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-12 17:15:29,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:29,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 17:15:29,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 17:15:29,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-12 17:15:29,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 17:15:29,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:29,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:29,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:29,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-12 17:15:29,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 17:15:29,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 17:15:29,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 17:15:29,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:29,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:29,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:29,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 17:15:29,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 17:15:29,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-12 17:15:29,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-12 17:15:29,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-12 17:15:29,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-12 17:15:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-12 17:15:29,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:29,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:29,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-12 17:15:29,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-12 17:15:29,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-12 17:15:29,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-12 17:15:29,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-12 17:15:29,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-12 17:15:29,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:29,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:29,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:29,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 17:15:29,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:29,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:29,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:29,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-12 17:15:29,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:29,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:29,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-12 17:15:29,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-12 17:15:29,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-12 17:15:29,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-07-12 17:15:29,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-12 17:15:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:29,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:29,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:29,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-12 17:15:29,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-12 17:15:29,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:29,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:29,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:29,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-12 17:15:29,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-07-12 17:15:29,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:29,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:29,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:29,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-12 17:15:29,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-12 17:15:29,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:29,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:29,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:29,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2022-07-12 17:15:29,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:29,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:29,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:29,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-07-12 17:15:29,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:29,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 17:15:29,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 17:15:29,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-12 17:15:29,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2022-07-12 17:15:29,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:29,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 17:15:29,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 17:15:29,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-12 17:15:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-07-12 17:15:29,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:29,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2769 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2769 trivial. 0 not checked. [2022-07-12 17:15:29,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:15:29,767 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854682231] [2022-07-12 17:15:29,768 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854682231] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:15:29,768 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:15:29,768 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-07-12 17:15:29,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348049438] [2022-07-12 17:15:29,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:15:29,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-12 17:15:29,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:15:29,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-12 17:15:29,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2022-07-12 17:15:29,769 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) [2022-07-12 17:15:33,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:15:33,049 INFO L93 Difference]: Finished difference Result 10382 states and 12465 transitions. [2022-07-12 17:15:33,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-12 17:15:33,050 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 [2022-07-12 17:15:33,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:15:33,067 INFO L225 Difference]: With dead ends: 10382 [2022-07-12 17:15:33,067 INFO L226 Difference]: Without dead ends: 5850 [2022-07-12 17:15:33,077 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 [2022-07-12 17:15:33,077 INFO L413 NwaCegarLoop]: 1105 mSDtfsCounter, 2230 mSDsluCounter, 4936 mSDsCounter, 0 mSdLazyCounter, 4246 mSolverCounterSat, 1941 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s 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, 2.6s IncrementalHoareTripleChecker+Time [2022-07-12 17:15:33,078 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2230 Valid, 6041 Invalid, 6187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1941 Valid, 4246 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2022-07-12 17:15:33,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5850 states. [2022-07-12 17:15:33,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5850 to 5437. [2022-07-12 17:15:33,625 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) [2022-07-12 17:15:33,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5437 states to 5437 states and 6492 transitions. [2022-07-12 17:15:33,636 INFO L78 Accepts]: Start accepts. Automaton has 5437 states and 6492 transitions. Word has length 505 [2022-07-12 17:15:33,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:15:33,636 INFO L495 AbstractCegarLoop]: Abstraction has 5437 states and 6492 transitions. [2022-07-12 17:15:33,636 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) [2022-07-12 17:15:33,637 INFO L276 IsEmpty]: Start isEmpty. Operand 5437 states and 6492 transitions. [2022-07-12 17:15:33,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 506 [2022-07-12 17:15:33,643 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:15:33,644 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] [2022-07-12 17:15:33,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2022-07-12 17:15:33,644 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)] === [2022-07-12 17:15:33,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:15:33,644 INFO L85 PathProgramCache]: Analyzing trace with hash 542144729, now seen corresponding path program 1 times [2022-07-12 17:15:33,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:15:33,645 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564367314] [2022-07-12 17:15:33,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:15:33,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:15:33,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:15:33,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:15:33,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:15:33,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 17:15:33,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 17:15:33,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-12 17:15:33,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:33,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 17:15:33,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 17:15:33,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-12 17:15:33,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 17:15:33,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:33,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:33,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:33,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-12 17:15:33,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 17:15:33,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 17:15:33,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 17:15:33,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:33,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:33,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:33,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 17:15:33,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 17:15:33,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-12 17:15:33,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-12 17:15:33,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-12 17:15:33,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-12 17:15:33,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-12 17:15:33,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:33,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:33,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:33,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-12 17:15:33,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-12 17:15:33,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-12 17:15:33,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-12 17:15:33,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-12 17:15:33,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-12 17:15:33,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:33,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:33,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 17:15:33,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:33,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:33,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:33,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-12 17:15:33,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:33,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:33,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:33,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-12 17:15:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:33,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-12 17:15:33,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:34,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-12 17:15:34,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:34,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-07-12 17:15:34,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:34,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-12 17:15:34,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:34,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:34,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:34,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:34,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:34,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:34,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:34,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-12 17:15:34,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:34,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-12 17:15:34,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:34,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:34,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:34,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:34,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:34,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:34,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:34,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-12 17:15:34,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:34,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-07-12 17:15:34,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:34,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:34,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:34,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:34,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:34,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:34,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:34,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-12 17:15:34,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:34,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-12 17:15:34,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:34,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:34,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:34,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:34,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:34,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:34,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:34,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2022-07-12 17:15:34,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:34,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:34,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:34,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:34,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:34,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:34,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:34,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-07-12 17:15:34,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:34,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:34,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:34,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 17:15:34,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:34,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 17:15:34,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:34,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-12 17:15:34,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:34,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2022-07-12 17:15:34,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:34,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:34,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:34,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2022-07-12 17:15:34,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:34,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-12 17:15:34,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:34,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-12 17:15:34,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:34,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2022-07-12 17:15:34,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:34,160 INFO L134 CoverageAnalysis]: Checked inductivity of 2769 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2763 trivial. 0 not checked. [2022-07-12 17:15:34,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:15:34,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564367314] [2022-07-12 17:15:34,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564367314] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 17:15:34,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1331311338] [2022-07-12 17:15:34,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:15:34,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 17:15:34,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 17:15:34,162 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) [2022-07-12 17:15:34,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-07-12 17:15:34,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:34,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 2668 conjuncts, 17 conjunts are in the unsatisfiable core [2022-07-12 17:15:34,704 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:15:35,209 INFO L134 CoverageAnalysis]: Checked inductivity of 2769 backedges. 0 proven. 533 refuted. 0 times theorem prover too weak. 2236 trivial. 0 not checked. [2022-07-12 17:15:35,209 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 17:15:35,738 INFO L134 CoverageAnalysis]: Checked inductivity of 2769 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2763 trivial. 0 not checked. [2022-07-12 17:15:35,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1331311338] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 17:15:35,738 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-12 17:15:35,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 7, 9] total 20 [2022-07-12 17:15:35,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669800334] [2022-07-12 17:15:35,738 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-12 17:15:35,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2022-07-12 17:15:35,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:15:35,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2022-07-12 17:15:35,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=330, Unknown=0, NotChecked=0, Total=380 [2022-07-12 17:15:35,740 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) [2022-07-12 17:15:40,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:15:40,199 INFO L93 Difference]: Finished difference Result 5814 states and 6984 transitions. [2022-07-12 17:15:40,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-12 17:15:40,200 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 [2022-07-12 17:15:40,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:15:40,211 INFO L225 Difference]: With dead ends: 5814 [2022-07-12 17:15:40,212 INFO L226 Difference]: Without dead ends: 5812 [2022-07-12 17:15:40,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1206 GetRequests, 1167 SyntacticMatches, 6 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=268, Invalid=922, Unknown=0, NotChecked=0, Total=1190 [2022-07-12 17:15:40,214 INFO L413 NwaCegarLoop]: 1029 mSDtfsCounter, 4777 mSDsluCounter, 5393 mSDsCounter, 0 mSdLazyCounter, 6624 mSolverCounterSat, 3211 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s 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, 3.6s IncrementalHoareTripleChecker+Time [2022-07-12 17:15:40,214 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4897 Valid, 6422 Invalid, 9835 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3211 Valid, 6624 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-07-12 17:15:40,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5812 states. [2022-07-12 17:15:40,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5812 to 4421. [2022-07-12 17:15:40,577 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) [2022-07-12 17:15:40,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4421 states to 4421 states and 5291 transitions. [2022-07-12 17:15:40,585 INFO L78 Accepts]: Start accepts. Automaton has 4421 states and 5291 transitions. Word has length 505 [2022-07-12 17:15:40,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:15:40,585 INFO L495 AbstractCegarLoop]: Abstraction has 4421 states and 5291 transitions. [2022-07-12 17:15:40,586 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) [2022-07-12 17:15:40,586 INFO L276 IsEmpty]: Start isEmpty. Operand 4421 states and 5291 transitions. [2022-07-12 17:15:40,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 539 [2022-07-12 17:15:40,592 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:15:40,592 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] [2022-07-12 17:15:40,613 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2022-07-12 17:15:40,793 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 [2022-07-12 17:15:40,793 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)] === [2022-07-12 17:15:40,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:15:40,794 INFO L85 PathProgramCache]: Analyzing trace with hash 610364250, now seen corresponding path program 1 times [2022-07-12 17:15:40,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:15:40,794 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140345036] [2022-07-12 17:15:40,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:15:40,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:15:40,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:40,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:15:40,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:40,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:15:40,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:40,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:15:40,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:40,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 17:15:40,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:40,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 17:15:40,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:40,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-12 17:15:40,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:40,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:40,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:40,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 17:15:40,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:40,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 17:15:41,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-12 17:15:41,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 17:15:41,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:41,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:41,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:41,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-12 17:15:41,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 17:15:41,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 17:15:41,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 17:15:41,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:41,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:41,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:41,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 17:15:41,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 17:15:41,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2022-07-12 17:15:41,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-12 17:15:41,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-12 17:15:41,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-12 17:15:41,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-12 17:15:41,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:41,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:41,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:41,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-12 17:15:41,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2022-07-12 17:15:41,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2022-07-12 17:15:41,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2022-07-12 17:15:41,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2022-07-12 17:15:41,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2022-07-12 17:15:41,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:41,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:41,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:41,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2022-07-12 17:15:41,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:41,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:41,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:41,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2022-07-12 17:15:41,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:41,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:41,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:41,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2022-07-12 17:15:41,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2022-07-12 17:15:41,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2022-07-12 17:15:41,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-07-12 17:15:41,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2022-07-12 17:15:41,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:41,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:41,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:41,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 329 [2022-07-12 17:15:41,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-12 17:15:41,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:41,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:41,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:41,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-12 17:15:41,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-07-12 17:15:41,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:41,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:41,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:41,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-12 17:15:41,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 396 [2022-07-12 17:15:41,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:41,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:41,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:41,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2022-07-12 17:15:41,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:41,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:41,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:41,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2022-07-12 17:15:41,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2022-07-12 17:15:41,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2022-07-12 17:15:41,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2022-07-12 17:15:41,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2022-07-12 17:15:41,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2022-07-12 17:15:41,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2022-07-12 17:15:41,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2022-07-12 17:15:41,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2022-07-12 17:15:41,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-07-12 17:15:41,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2022-07-12 17:15:41,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2022-07-12 17:15:41,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2022-07-12 17:15:41,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,329 INFO L134 CoverageAnalysis]: Checked inductivity of 2533 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2527 trivial. 0 not checked. [2022-07-12 17:15:41,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:15:41,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140345036] [2022-07-12 17:15:41,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140345036] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 17:15:41,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [477650652] [2022-07-12 17:15:41,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:15:41,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 17:15:41,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 17:15:41,331 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) [2022-07-12 17:15:41,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2022-07-12 17:15:41,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:41,856 INFO L263 TraceCheckSpWp]: Trace formula consists of 2656 conjuncts, 17 conjunts are in the unsatisfiable core [2022-07-12 17:15:41,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:15:42,401 INFO L134 CoverageAnalysis]: Checked inductivity of 2533 backedges. 0 proven. 509 refuted. 0 times theorem prover too weak. 2024 trivial. 0 not checked. [2022-07-12 17:15:42,402 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 17:15:42,956 INFO L134 CoverageAnalysis]: Checked inductivity of 2533 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2527 trivial. 0 not checked. [2022-07-12 17:15:42,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [477650652] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-12 17:15:42,956 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-12 17:15:42,956 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7, 9] total 18 [2022-07-12 17:15:42,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602541268] [2022-07-12 17:15:42,957 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-12 17:15:42,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-07-12 17:15:42,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:15:42,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-07-12 17:15:42,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2022-07-12 17:15:42,958 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) [2022-07-12 17:15:46,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:15:46,616 INFO L93 Difference]: Finished difference Result 4640 states and 5575 transitions. [2022-07-12 17:15:46,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-12 17:15:46,616 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 [2022-07-12 17:15:46,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:15:46,626 INFO L225 Difference]: With dead ends: 4640 [2022-07-12 17:15:46,626 INFO L226 Difference]: Without dead ends: 4180 [2022-07-12 17:15:46,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1268 GetRequests, 1237 SyntacticMatches, 6 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2022-07-12 17:15:46,628 INFO L413 NwaCegarLoop]: 1061 mSDtfsCounter, 4559 mSDsluCounter, 4306 mSDsCounter, 0 mSdLazyCounter, 5995 mSolverCounterSat, 2844 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s 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, 3.1s IncrementalHoareTripleChecker+Time [2022-07-12 17:15:46,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4664 Valid, 5367 Invalid, 8839 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2844 Valid, 5995 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2022-07-12 17:15:46,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4180 states. [2022-07-12 17:15:46,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4180 to 3988. [2022-07-12 17:15:46,962 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) [2022-07-12 17:15:46,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3988 states to 3988 states and 4774 transitions. [2022-07-12 17:15:46,969 INFO L78 Accepts]: Start accepts. Automaton has 3988 states and 4774 transitions. Word has length 538 [2022-07-12 17:15:46,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:15:46,969 INFO L495 AbstractCegarLoop]: Abstraction has 3988 states and 4774 transitions. [2022-07-12 17:15:46,970 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) [2022-07-12 17:15:46,970 INFO L276 IsEmpty]: Start isEmpty. Operand 3988 states and 4774 transitions. [2022-07-12 17:15:46,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 723 [2022-07-12 17:15:46,978 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:15:46,978 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] [2022-07-12 17:15:46,998 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2022-07-12 17:15:47,178 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 [2022-07-12 17:15:47,179 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)] === [2022-07-12 17:15:47,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:15:47,179 INFO L85 PathProgramCache]: Analyzing trace with hash -1365941636, now seen corresponding path program 1 times [2022-07-12 17:15:47,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:15:47,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946437632] [2022-07-12 17:15:47,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:15:47,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:15:47,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:15:47,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:15:47,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:15:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 17:15:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:47,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:47,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 17:15:47,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-12 17:15:47,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 17:15:47,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 17:15:47,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:47,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-12 17:15:47,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 17:15:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-12 17:15:47,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-12 17:15:47,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:47,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:47,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:47,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-12 17:15:47,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-12 17:15:47,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-12 17:15:47,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-12 17:15:47,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:47,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:47,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:47,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 17:15:47,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:47,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:47,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:47,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-12 17:15:47,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:47,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:47,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:47,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-12 17:15:47,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-12 17:15:47,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-12 17:15:47,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-12 17:15:47,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-12 17:15:47,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:47,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:47,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:47,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-12 17:15:47,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 17:15:47,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:47,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:47,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:47,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-12 17:15:47,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-12 17:15:47,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-12 17:15:47,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-12 17:15:47,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 17:15:47,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:15:47,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:15:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 17:15:47,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-12 17:15:47,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-12 17:15:47,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:47,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:47,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:47,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:47,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 17:15:47,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-12 17:15:47,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 17:15:47,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:15:47,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:15:47,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 17:15:47,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-12 17:15:47,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:47,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:47,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 17:15:47,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-07-12 17:15:47,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:47,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:47,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-07-12 17:15:47,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2022-07-12 17:15:47,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:47,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2022-07-12 17:15:47,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-07-12 17:15:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-07-12 17:15:47,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:47,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 17:15:47,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-07-12 17:15:47,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2022-07-12 17:15:47,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2022-07-12 17:15:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:47,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:47,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:47,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2022-07-12 17:15:47,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2022-07-12 17:15:47,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:47,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:47,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:47,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2022-07-12 17:15:47,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:47,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:47,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:47,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 645 [2022-07-12 17:15:47,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 649 [2022-07-12 17:15:47,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 654 [2022-07-12 17:15:47,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2022-07-12 17:15:47,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 668 [2022-07-12 17:15:47,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 674 [2022-07-12 17:15:47,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 680 [2022-07-12 17:15:47,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 686 [2022-07-12 17:15:47,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 692 [2022-07-12 17:15:47,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 698 [2022-07-12 17:15:47,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 704 [2022-07-12 17:15:47,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 710 [2022-07-12 17:15:47,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:47,652 INFO L134 CoverageAnalysis]: Checked inductivity of 2299 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2296 trivial. 0 not checked. [2022-07-12 17:15:47,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:15:47,652 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946437632] [2022-07-12 17:15:47,652 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946437632] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:15:47,652 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:15:47,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2022-07-12 17:15:47,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627306071] [2022-07-12 17:15:47,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:15:47,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-07-12 17:15:47,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:15:47,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-07-12 17:15:47,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2022-07-12 17:15:47,654 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) [2022-07-12 17:15:50,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:15:50,118 INFO L93 Difference]: Finished difference Result 7157 states and 8710 transitions. [2022-07-12 17:15:50,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-12 17:15:50,118 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 [2022-07-12 17:15:50,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:15:50,127 INFO L225 Difference]: With dead ends: 7157 [2022-07-12 17:15:50,127 INFO L226 Difference]: Without dead ends: 4761 [2022-07-12 17:15:50,131 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 [2022-07-12 17:15:50,131 INFO L413 NwaCegarLoop]: 1367 mSDtfsCounter, 2719 mSDsluCounter, 3919 mSDsCounter, 0 mSdLazyCounter, 2217 mSolverCounterSat, 2265 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s 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, 1.9s IncrementalHoareTripleChecker+Time [2022-07-12 17:15:50,131 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2781 Valid, 5286 Invalid, 4482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2265 Valid, 2217 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2022-07-12 17:15:50,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4761 states. [2022-07-12 17:15:50,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4761 to 3991. [2022-07-12 17:15:50,444 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) [2022-07-12 17:15:50,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3991 states to 3991 states and 4777 transitions. [2022-07-12 17:15:50,452 INFO L78 Accepts]: Start accepts. Automaton has 3991 states and 4777 transitions. Word has length 722 [2022-07-12 17:15:50,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:15:50,452 INFO L495 AbstractCegarLoop]: Abstraction has 3991 states and 4777 transitions. [2022-07-12 17:15:50,453 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) [2022-07-12 17:15:50,453 INFO L276 IsEmpty]: Start isEmpty. Operand 3991 states and 4777 transitions. [2022-07-12 17:15:50,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 723 [2022-07-12 17:15:50,462 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:15:50,462 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] [2022-07-12 17:15:50,462 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2022-07-12 17:15:50,462 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)] === [2022-07-12 17:15:50,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:15:50,463 INFO L85 PathProgramCache]: Analyzing trace with hash -1422806982, now seen corresponding path program 1 times [2022-07-12 17:15:50,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:15:50,463 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028335310] [2022-07-12 17:15:50,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:15:50,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:15:50,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:15:50,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:15:50,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:15:50,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2022-07-12 17:15:50,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:50,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:50,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:50,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2022-07-12 17:15:50,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2022-07-12 17:15:50,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-12 17:15:50,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 17:15:50,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:50,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2022-07-12 17:15:50,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2022-07-12 17:15:50,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2022-07-12 17:15:50,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2022-07-12 17:15:50,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:50,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:50,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:50,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2022-07-12 17:15:50,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2022-07-12 17:15:50,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2022-07-12 17:15:50,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2022-07-12 17:15:50,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:50,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:50,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:50,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2022-07-12 17:15:50,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:50,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:50,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:50,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-12 17:15:50,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:50,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:50,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2022-07-12 17:15:50,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-12 17:15:50,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-12 17:15:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-12 17:15:50,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2022-07-12 17:15:50,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:50,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:50,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:50,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2022-07-12 17:15:50,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-12 17:15:50,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:50,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:50,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:50,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2022-07-12 17:15:50,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-12 17:15:50,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 288 [2022-07-12 17:15:50,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2022-07-12 17:15:50,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 17:15:50,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:15:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:15:50,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 17:15:50,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2022-07-12 17:15:50,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-12 17:15:50,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:50,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:50,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:50,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:50,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 17:15:50,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 387 [2022-07-12 17:15:50,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 17:15:50,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:15:50,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:15:50,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 17:15:50,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2022-07-12 17:15:50,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:50,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:50,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 17:15:50,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2022-07-12 17:15:50,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:50,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:50,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2022-07-12 17:15:50,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2022-07-12 17:15:50,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:50,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2022-07-12 17:15:50,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2022-07-12 17:15:50,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2022-07-12 17:15:50,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:50,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:50,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 17:15:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 538 [2022-07-12 17:15:50,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:50,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2022-07-12 17:15:50,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:51,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2022-07-12 17:15:51,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:51,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:51,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:51,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:51,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:51,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:51,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:51,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2022-07-12 17:15:51,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:51,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 586 [2022-07-12 17:15:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:51,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:51,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:51,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:51,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:51,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:51,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:51,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2022-07-12 17:15:51,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:51,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:15:51,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:51,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:15:51,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:51,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:15:51,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:51,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 645 [2022-07-12 17:15:51,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:51,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 649 [2022-07-12 17:15:51,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:51,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 654 [2022-07-12 17:15:51,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:51,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 659 [2022-07-12 17:15:51,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:51,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 668 [2022-07-12 17:15:51,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:51,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 674 [2022-07-12 17:15:51,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:51,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 680 [2022-07-12 17:15:51,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:51,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 686 [2022-07-12 17:15:51,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:51,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 692 [2022-07-12 17:15:51,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:51,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 698 [2022-07-12 17:15:51,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:51,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 704 [2022-07-12 17:15:51,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:51,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 710 [2022-07-12 17:15:51,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:51,074 INFO L134 CoverageAnalysis]: Checked inductivity of 2299 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2296 trivial. 0 not checked. [2022-07-12 17:15:51,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:15:51,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028335310] [2022-07-12 17:15:51,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2028335310] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:15:51,074 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:15:51,074 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-07-12 17:15:51,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184419435] [2022-07-12 17:15:51,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:15:51,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-07-12 17:15:51,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:15:51,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-07-12 17:15:51,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=238, Unknown=0, NotChecked=0, Total=272 [2022-07-12 17:15:51,076 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) [2022-07-12 17:15:56,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:15:56,222 INFO L93 Difference]: Finished difference Result 7748 states and 9584 transitions. [2022-07-12 17:15:56,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-07-12 17:15:56,222 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 [2022-07-12 17:15:56,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:15:56,233 INFO L225 Difference]: With dead ends: 7748 [2022-07-12 17:15:56,234 INFO L226 Difference]: Without dead ends: 5349 [2022-07-12 17:15:56,239 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 [2022-07-12 17:15:56,240 INFO L413 NwaCegarLoop]: 1425 mSDtfsCounter, 3347 mSDsluCounter, 9220 mSDsCounter, 0 mSdLazyCounter, 7704 mSolverCounterSat, 2372 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s 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, 4.4s IncrementalHoareTripleChecker+Time [2022-07-12 17:15:56,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3347 Valid, 10645 Invalid, 10076 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2372 Valid, 7704 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-07-12 17:15:56,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5349 states. [2022-07-12 17:15:56,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5349 to 4015. [2022-07-12 17:15:56,571 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) [2022-07-12 17:15:56,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4015 states to 4015 states and 4801 transitions. [2022-07-12 17:15:56,577 INFO L78 Accepts]: Start accepts. Automaton has 4015 states and 4801 transitions. Word has length 722 [2022-07-12 17:15:56,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:15:56,578 INFO L495 AbstractCegarLoop]: Abstraction has 4015 states and 4801 transitions. [2022-07-12 17:15:56,578 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) [2022-07-12 17:15:56,578 INFO L276 IsEmpty]: Start isEmpty. Operand 4015 states and 4801 transitions. [2022-07-12 17:15:56,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 744 [2022-07-12 17:15:56,586 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:15:56,587 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] [2022-07-12 17:15:56,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2022-07-12 17:15:56,587 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)] === [2022-07-12 17:15:56,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:15:56,587 INFO L85 PathProgramCache]: Analyzing trace with hash -105048126, now seen corresponding path program 1 times [2022-07-12 17:15:56,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:15:56,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667372589] [2022-07-12 17:15:56,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:15:56,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:15:56,638 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-12 17:15:56,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2102673503] [2022-07-12 17:15:56,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:15:56,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 17:15:56,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 17:15:56,640 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) [2022-07-12 17:15:56,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2022-07-12 17:15:57,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:15:57,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 3650 conjuncts, 39 conjunts are in the unsatisfiable core [2022-07-12 17:15:57,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:15:57,494 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-07-12 17:15:57,494 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 [2022-07-12 17:15:57,514 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 [2022-07-12 17:15:58,415 INFO L134 CoverageAnalysis]: Checked inductivity of 2549 backedges. 1225 proven. 211 refuted. 0 times theorem prover too weak. 1113 trivial. 0 not checked. [2022-07-12 17:15:58,416 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 17:15:59,027 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 [2022-07-12 17:15:59,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:15:59,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667372589] [2022-07-12 17:15:59,085 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-12 17:15:59,085 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2102673503] [2022-07-12 17:15:59,085 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2102673503] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 17:15:59,085 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-07-12 17:15:59,085 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2022-07-12 17:15:59,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603931281] [2022-07-12 17:15:59,085 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-07-12 17:15:59,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-12 17:15:59,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:15:59,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-12 17:15:59,086 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=275, Unknown=6, NotChecked=34, Total=380 [2022-07-12 17:15:59,086 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) [2022-07-12 17:16:01,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:16:01,033 INFO L93 Difference]: Finished difference Result 6745 states and 8057 transitions. [2022-07-12 17:16:01,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-12 17:16:01,034 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 [2022-07-12 17:16:01,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:16:01,041 INFO L225 Difference]: With dead ends: 6745 [2022-07-12 17:16:01,041 INFO L226 Difference]: Without dead ends: 2980 [2022-07-12 17:16:01,048 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 [2022-07-12 17:16:01,049 INFO L413 NwaCegarLoop]: 1204 mSDtfsCounter, 678 mSDsluCounter, 2349 mSDsCounter, 0 mSdLazyCounter, 2685 mSolverCounterSat, 289 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.4s IncrementalHoareTripleChecker+Time [2022-07-12 17:16:01,049 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [745 Valid, 3553 Invalid, 2974 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [289 Valid, 2685 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-07-12 17:16:01,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2980 states. [2022-07-12 17:16:01,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2980 to 2657. [2022-07-12 17:16:01,284 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) [2022-07-12 17:16:01,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2657 states to 2657 states and 3160 transitions. [2022-07-12 17:16:01,289 INFO L78 Accepts]: Start accepts. Automaton has 2657 states and 3160 transitions. Word has length 743 [2022-07-12 17:16:01,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:16:01,289 INFO L495 AbstractCegarLoop]: Abstraction has 2657 states and 3160 transitions. [2022-07-12 17:16:01,289 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) [2022-07-12 17:16:01,290 INFO L276 IsEmpty]: Start isEmpty. Operand 2657 states and 3160 transitions. [2022-07-12 17:16:01,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 844 [2022-07-12 17:16:01,297 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:16:01,297 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] [2022-07-12 17:16:01,320 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2022-07-12 17:16:01,498 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 [2022-07-12 17:16:01,498 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)] === [2022-07-12 17:16:01,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:16:01,499 INFO L85 PathProgramCache]: Analyzing trace with hash -666768630, now seen corresponding path program 1 times [2022-07-12 17:16:01,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:16:01,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912522492] [2022-07-12 17:16:01,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:16:01,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:16:01,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-12 17:16:01,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:16:01,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:16:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-07-12 17:16:01,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-12 17:16:01,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-12 17:16:01,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:16:01,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-12 17:16:01,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2022-07-12 17:16:01,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-12 17:16:01,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2022-07-12 17:16:01,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:16:01,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:16:01,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:16:01,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2022-07-12 17:16:01,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-12 17:16:01,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2022-07-12 17:16:01,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2022-07-12 17:16:01,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:16:01,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:16:01,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:16:01,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2022-07-12 17:16:01,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2022-07-12 17:16:01,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-12 17:16:01,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:16:01,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2022-07-12 17:16:01,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-12 17:16:01,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-12 17:16:01,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2022-07-12 17:16:01,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-12 17:16:01,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:16:01,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:16:01,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:16:01,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2022-07-12 17:16:01,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2022-07-12 17:16:01,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2022-07-12 17:16:01,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2022-07-12 17:16:01,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-12 17:16:01,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2022-07-12 17:16:01,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:16:01,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:16:01,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:16:01,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-12 17:16:01,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:16:01,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:16:01,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:16:01,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2022-07-12 17:16:01,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:16:01,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:16:01,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:16:01,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2022-07-12 17:16:01,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-12 17:16:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2022-07-12 17:16:01,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2022-07-12 17:16:01,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2022-07-12 17:16:01,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:16:01,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:16:01,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:16:01,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-12 17:16:01,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-12 17:16:01,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:16:01,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:16:01,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-12 17:16:01,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-12 17:16:01,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2022-07-12 17:16:01,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-12 17:16:01,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2022-07-12 17:16:01,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 17:16:01,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:16:01,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:16:01,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 17:16:01,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2022-07-12 17:16:01,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2022-07-12 17:16:01,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:16:01,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:16:01,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:16:01,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:16:01,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 17:16:01,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2022-07-12 17:16:01,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-12 17:16:01,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-07-12 17:16:01,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-12 17:16:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-07-12 17:16:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2022-07-12 17:16:01,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:16:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:16:01,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-07-12 17:16:01,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2022-07-12 17:16:01,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-12 17:16:01,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-12 17:16:01,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2022-07-12 17:16:01,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:01,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2022-07-12 17:16:01,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:16:01,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912522492] [2022-07-12 17:16:01,989 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2022-07-12 17:16:01,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764995017] [2022-07-12 17:16:01,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:16:01,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 17:16:01,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 17:16:01,990 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) [2022-07-12 17:16:01,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2022-07-12 17:16:02,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:02,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 4099 conjuncts, 3 conjunts are in the unsatisfiable core [2022-07-12 17:16:02,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:16:02,723 INFO L134 CoverageAnalysis]: Checked inductivity of 3335 backedges. 1274 proven. 0 refuted. 0 times theorem prover too weak. 2061 trivial. 0 not checked. [2022-07-12 17:16:02,723 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:16:02,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1764995017] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:16:02,723 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:16:02,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-12 17:16:02,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626640367] [2022-07-12 17:16:02,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:16:02,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-12 17:16:02,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:16:02,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-12 17:16:02,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2022-07-12 17:16:02,725 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) [2022-07-12 17:16:03,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:16:03,040 INFO L93 Difference]: Finished difference Result 5937 states and 7296 transitions. [2022-07-12 17:16:03,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-12 17:16:03,040 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 [2022-07-12 17:16:03,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:16:03,048 INFO L225 Difference]: With dead ends: 5937 [2022-07-12 17:16:03,048 INFO L226 Difference]: Without dead ends: 3475 [2022-07-12 17:16:03,053 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 [2022-07-12 17:16:03,054 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 [2022-07-12 17:16:03,054 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] [2022-07-12 17:16:03,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3475 states. [2022-07-12 17:16:03,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3475 to 2660. [2022-07-12 17:16:03,303 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) [2022-07-12 17:16:03,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2660 states to 2660 states and 3163 transitions. [2022-07-12 17:16:03,308 INFO L78 Accepts]: Start accepts. Automaton has 2660 states and 3163 transitions. Word has length 843 [2022-07-12 17:16:03,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:16:03,309 INFO L495 AbstractCegarLoop]: Abstraction has 2660 states and 3163 transitions. [2022-07-12 17:16:03,309 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) [2022-07-12 17:16:03,309 INFO L276 IsEmpty]: Start isEmpty. Operand 2660 states and 3163 transitions. [2022-07-12 17:16:03,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 844 [2022-07-12 17:16:03,316 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:16:03,317 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] [2022-07-12 17:16:03,342 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2022-07-12 17:16:03,517 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 [2022-07-12 17:16:03,518 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)] === [2022-07-12 17:16:03,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:16:03,518 INFO L85 PathProgramCache]: Analyzing trace with hash 58861708, now seen corresponding path program 1 times [2022-07-12 17:16:03,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:16:03,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985657899] [2022-07-12 17:16:03,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:16:03,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:16:03,576 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-12 17:16:03,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1019655108] [2022-07-12 17:16:03,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:16:03,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 17:16:03,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 17:16:03,578 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) [2022-07-12 17:16:03,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2022-07-12 17:16:04,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:04,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 4098 conjuncts, 45 conjunts are in the unsatisfiable core [2022-07-12 17:16:04,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:16:04,958 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 [2022-07-12 17:16:08,962 INFO L356 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2022-07-12 17:16:08,962 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 [2022-07-12 17:16:12,616 INFO L134 CoverageAnalysis]: Checked inductivity of 3335 backedges. 1469 proven. 0 refuted. 0 times theorem prover too weak. 1866 trivial. 0 not checked. [2022-07-12 17:16:12,616 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:16:12,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:16:12,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985657899] [2022-07-12 17:16:12,616 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-12 17:16:12,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1019655108] [2022-07-12 17:16:12,617 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1019655108] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:16:12,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:16:12,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-12 17:16:12,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145335958] [2022-07-12 17:16:12,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:16:12,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-12 17:16:12,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:16:12,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-12 17:16:12,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=106, Unknown=10, NotChecked=0, Total=156 [2022-07-12 17:16:12,619 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) [2022-07-12 17:16:20,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:16:20,704 INFO L93 Difference]: Finished difference Result 7659 states and 9159 transitions. [2022-07-12 17:16:20,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-12 17:16:20,705 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 [2022-07-12 17:16:20,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:16:20,716 INFO L225 Difference]: With dead ends: 7659 [2022-07-12 17:16:20,716 INFO L226 Difference]: Without dead ends: 5332 [2022-07-12 17:16:20,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 849 GetRequests, 831 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 10.1s TimeCoverageRelationStatistics Valid=90, Invalid=273, Unknown=17, NotChecked=0, Total=380 [2022-07-12 17:16:20,723 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 [2022-07-12 17:16:20,723 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] [2022-07-12 17:16:20,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5332 states. [2022-07-12 17:16:21,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5332 to 4244. [2022-07-12 17:16:21,158 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) [2022-07-12 17:16:21,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4244 states to 4244 states and 5078 transitions. [2022-07-12 17:16:21,165 INFO L78 Accepts]: Start accepts. Automaton has 4244 states and 5078 transitions. Word has length 843 [2022-07-12 17:16:21,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:16:21,166 INFO L495 AbstractCegarLoop]: Abstraction has 4244 states and 5078 transitions. [2022-07-12 17:16:21,166 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) [2022-07-12 17:16:21,166 INFO L276 IsEmpty]: Start isEmpty. Operand 4244 states and 5078 transitions. [2022-07-12 17:16:21,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 862 [2022-07-12 17:16:21,175 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:16:21,176 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] [2022-07-12 17:16:21,200 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2022-07-12 17:16:21,376 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 [2022-07-12 17:16:21,377 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)] === [2022-07-12 17:16:21,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:16:21,377 INFO L85 PathProgramCache]: Analyzing trace with hash -890771832, now seen corresponding path program 1 times [2022-07-12 17:16:21,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:16:21,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939748273] [2022-07-12 17:16:21,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:16:21,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:16:21,439 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-12 17:16:21,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1665764882] [2022-07-12 17:16:21,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:16:21,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 17:16:21,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 17:16:21,441 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) [2022-07-12 17:16:21,441 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2022-07-12 17:16:22,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:22,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 4197 conjuncts, 61 conjunts are in the unsatisfiable core [2022-07-12 17:16:22,337 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:16:22,840 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 [2022-07-12 17:16:26,906 INFO L356 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2022-07-12 17:16:26,907 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 [2022-07-12 17:16:26,942 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 [2022-07-12 17:16:30,465 INFO L356 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2022-07-12 17:16:30,465 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 [2022-07-12 17:16:34,538 INFO L134 CoverageAnalysis]: Checked inductivity of 3364 backedges. 1481 proven. 2 refuted. 0 times theorem prover too weak. 1881 trivial. 0 not checked. [2022-07-12 17:16:34,539 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 17:16:35,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:16:35,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939748273] [2022-07-12 17:16:35,227 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-12 17:16:35,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1665764882] [2022-07-12 17:16:35,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1665764882] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 17:16:35,227 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-07-12 17:16:35,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2022-07-12 17:16:35,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400169694] [2022-07-12 17:16:35,228 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-07-12 17:16:35,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-07-12 17:16:35,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:16:35,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-07-12 17:16:35,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=299, Unknown=10, NotChecked=0, Total=380 [2022-07-12 17:16:35,229 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) [2022-07-12 17:16:44,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:16:44,275 INFO L93 Difference]: Finished difference Result 10657 states and 12846 transitions. [2022-07-12 17:16:44,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-07-12 17:16:44,276 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 [2022-07-12 17:16:44,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:16:44,292 INFO L225 Difference]: With dead ends: 10657 [2022-07-12 17:16:44,292 INFO L226 Difference]: Without dead ends: 7024 [2022-07-12 17:16:44,300 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1553 GetRequests, 1527 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 14.1s TimeCoverageRelationStatistics Valid=135, Invalid=550, Unknown=17, NotChecked=0, Total=702 [2022-07-12 17:16:44,300 INFO L413 NwaCegarLoop]: 1532 mSDtfsCounter, 1780 mSDsluCounter, 4950 mSDsCounter, 0 mSdLazyCounter, 6585 mSolverCounterSat, 784 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s 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, 4.3s IncrementalHoareTripleChecker+Time [2022-07-12 17:16:44,301 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2037 Valid, 6482 Invalid, 9020 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [784 Valid, 6585 Invalid, 0 Unknown, 1651 Unchecked, 4.3s Time] [2022-07-12 17:16:44,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7024 states. [2022-07-12 17:16:44,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7024 to 4767. [2022-07-12 17:16:44,743 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) [2022-07-12 17:16:44,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4767 states to 4767 states and 5707 transitions. [2022-07-12 17:16:44,753 INFO L78 Accepts]: Start accepts. Automaton has 4767 states and 5707 transitions. Word has length 861 [2022-07-12 17:16:44,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:16:44,753 INFO L495 AbstractCegarLoop]: Abstraction has 4767 states and 5707 transitions. [2022-07-12 17:16:44,753 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) [2022-07-12 17:16:44,753 INFO L276 IsEmpty]: Start isEmpty. Operand 4767 states and 5707 transitions. [2022-07-12 17:16:44,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 874 [2022-07-12 17:16:44,765 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:16:44,766 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] [2022-07-12 17:16:44,791 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2022-07-12 17:16:44,966 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 [2022-07-12 17:16:44,966 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)] === [2022-07-12 17:16:44,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:16:44,967 INFO L85 PathProgramCache]: Analyzing trace with hash 299355961, now seen corresponding path program 1 times [2022-07-12 17:16:44,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:16:44,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752652566] [2022-07-12 17:16:44,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:16:44,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:16:45,088 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-12 17:16:45,089 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [826737041] [2022-07-12 17:16:45,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:16:45,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 17:16:45,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 17:16:45,091 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) [2022-07-12 17:16:45,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2022-07-12 17:16:45,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:45,972 INFO L263 TraceCheckSpWp]: Trace formula consists of 4232 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-12 17:16:45,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:16:46,003 INFO L134 CoverageAnalysis]: Checked inductivity of 3778 backedges. 1207 proven. 0 refuted. 0 times theorem prover too weak. 2571 trivial. 0 not checked. [2022-07-12 17:16:46,003 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-12 17:16:46,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:16:46,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752652566] [2022-07-12 17:16:46,003 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-12 17:16:46,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [826737041] [2022-07-12 17:16:46,004 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [826737041] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-12 17:16:46,004 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-12 17:16:46,004 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-12 17:16:46,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244389482] [2022-07-12 17:16:46,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-12 17:16:46,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-12 17:16:46,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:16:46,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-12 17:16:46,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-12 17:16:46,005 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) [2022-07-12 17:16:46,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:16:46,691 INFO L93 Difference]: Finished difference Result 6260 states and 7583 transitions. [2022-07-12 17:16:46,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-12 17:16:46,691 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 [2022-07-12 17:16:46,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:16:46,702 INFO L225 Difference]: With dead ends: 6260 [2022-07-12 17:16:46,702 INFO L226 Difference]: Without dead ends: 5252 [2022-07-12 17:16:46,705 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 [2022-07-12 17:16:46,705 INFO L413 NwaCegarLoop]: 1466 mSDtfsCounter, 865 mSDsluCounter, 3799 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 290 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2022-07-12 17:16:46,705 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] [2022-07-12 17:16:46,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5252 states. [2022-07-12 17:16:47,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5252 to 4770. [2022-07-12 17:16:47,131 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) [2022-07-12 17:16:47,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4770 states to 4770 states and 5710 transitions. [2022-07-12 17:16:47,140 INFO L78 Accepts]: Start accepts. Automaton has 4770 states and 5710 transitions. Word has length 873 [2022-07-12 17:16:47,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:16:47,140 INFO L495 AbstractCegarLoop]: Abstraction has 4770 states and 5710 transitions. [2022-07-12 17:16:47,140 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) [2022-07-12 17:16:47,141 INFO L276 IsEmpty]: Start isEmpty. Operand 4770 states and 5710 transitions. [2022-07-12 17:16:47,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 909 [2022-07-12 17:16:47,152 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:16:47,153 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] [2022-07-12 17:16:47,178 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2022-07-12 17:16:47,375 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 [2022-07-12 17:16:47,376 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)] === [2022-07-12 17:16:47,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:16:47,376 INFO L85 PathProgramCache]: Analyzing trace with hash -72287231, now seen corresponding path program 1 times [2022-07-12 17:16:47,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:16:47,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472397094] [2022-07-12 17:16:47,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:16:47,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:16:47,484 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-12 17:16:47,485 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [494468993] [2022-07-12 17:16:47,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:16:47,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 17:16:47,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 17:16:47,486 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) [2022-07-12 17:16:47,489 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2022-07-12 17:16:48,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:16:48,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 4537 conjuncts, 48 conjunts are in the unsatisfiable core [2022-07-12 17:16:48,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:16:48,814 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-07-12 17:16:48,814 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 [2022-07-12 17:16:48,830 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 [2022-07-12 17:16:49,105 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 [2022-07-12 17:16:51,227 INFO L356 Elim1Store]: treesize reduction 45, result has 13.5 percent of original size [2022-07-12 17:16:51,228 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 [2022-07-12 17:17:03,744 INFO L134 CoverageAnalysis]: Checked inductivity of 3784 backedges. 2388 proven. 287 refuted. 0 times theorem prover too weak. 1109 trivial. 0 not checked. [2022-07-12 17:17:03,745 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-12 17:17:08,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-12 17:17:08,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472397094] [2022-07-12 17:17:08,525 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-07-12 17:17:08,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [494468993] [2022-07-12 17:17:08,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [494468993] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-12 17:17:08,525 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2022-07-12 17:17:08,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2022-07-12 17:17:08,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126525815] [2022-07-12 17:17:08,525 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2022-07-12 17:17:08,526 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-07-12 17:17:08,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-12 17:17:08,526 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-07-12 17:17:08,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=441, Unknown=7, NotChecked=0, Total=552 [2022-07-12 17:17:08,527 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) [2022-07-12 17:17:12,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-12 17:17:12,733 INFO L93 Difference]: Finished difference Result 7909 states and 9417 transitions. [2022-07-12 17:17:12,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-07-12 17:17:12,733 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 [2022-07-12 17:17:12,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-12 17:17:12,745 INFO L225 Difference]: With dead ends: 7909 [2022-07-12 17:17:12,745 INFO L226 Difference]: Without dead ends: 6100 [2022-07-12 17:17:12,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1636 GetRequests, 1607 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 18.5s TimeCoverageRelationStatistics Valid=170, Invalid=752, Unknown=8, NotChecked=0, Total=930 [2022-07-12 17:17:12,749 INFO L413 NwaCegarLoop]: 1692 mSDtfsCounter, 799 mSDsluCounter, 9341 mSDsCounter, 0 mSdLazyCounter, 1832 mSolverCounterSat, 130 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.4s IncrementalHoareTripleChecker+Time [2022-07-12 17:17:12,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [827 Valid, 11033 Invalid, 6841 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [130 Valid, 1832 Invalid, 0 Unknown, 4879 Unchecked, 1.4s Time] [2022-07-12 17:17:12,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6100 states. [2022-07-12 17:17:13,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6100 to 6048. [2022-07-12 17:17:13,291 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) [2022-07-12 17:17:13,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6048 states to 6048 states and 7227 transitions. [2022-07-12 17:17:13,303 INFO L78 Accepts]: Start accepts. Automaton has 6048 states and 7227 transitions. Word has length 908 [2022-07-12 17:17:13,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-12 17:17:13,303 INFO L495 AbstractCegarLoop]: Abstraction has 6048 states and 7227 transitions. [2022-07-12 17:17:13,303 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) [2022-07-12 17:17:13,304 INFO L276 IsEmpty]: Start isEmpty. Operand 6048 states and 7227 transitions. [2022-07-12 17:17:13,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 913 [2022-07-12 17:17:13,317 INFO L187 NwaCegarLoop]: Found error trace [2022-07-12 17:17:13,317 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] [2022-07-12 17:17:13,332 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2022-07-12 17:17:13,518 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 [2022-07-12 17:17:13,518 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)] === [2022-07-12 17:17:13,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-12 17:17:13,519 INFO L85 PathProgramCache]: Analyzing trace with hash 2049313502, now seen corresponding path program 1 times [2022-07-12 17:17:13,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-12 17:17:13,519 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839367947] [2022-07-12 17:17:13,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:17:13,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-12 17:17:13,584 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-07-12 17:17:13,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [788437845] [2022-07-12 17:17:13,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-12 17:17:13,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-12 17:17:13,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-12 17:17:13,586 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) [2022-07-12 17:17:13,586 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2022-07-12 17:17:15,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-12 17:17:15,134 INFO L263 TraceCheckSpWp]: Trace formula consists of 4555 conjuncts, 94 conjunts are in the unsatisfiable core [2022-07-12 17:17:15,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-12 17:17:15,421 INFO L356 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2022-07-12 17:17:15,421 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 [2022-07-12 17:17:15,440 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 [2022-07-12 17:17:15,989 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 [2022-07-12 17:17:27,024 INFO L356 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2022-07-12 17:17:27,024 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